ﺍﻋﺩﺍﺩ:
ﺩ .ﻨﺎﺩﺭ ﺠﻭﺍﺩ ﺍﻟﻨﻤﺭﺓ
                         ﺩﻜﺘﻭﺭﺍﻩ ﻓﻲ ﺍﻟﺘﺼﻤﻴﻡ ﺍﻟﻤﻌﻤﺎﺭﻱ
                              ﻭﺘﻜﻨﻭﻟﻭﺠﻴﺎ ﺍﻟﺒﻨﺎﺀ
ﻤﺴﺎﻕ  ..ﺘﺸﻴﻴﺩ ﻤﻌﻤﺎﺭﻱ )..... (1
     ﺘﺩﺭﻴﺱ  ..ﻡ .ﻤﺤﻤﺩ ﺍﻟﻔﺭﺍ
ﺍﻟﻤﺤﺎﻀﺭﺓ ﺍﻟﺜﺎﻟﺜﺔ
                  ﺃﻨﻅﻤــــﺔ ﺍﻹﻨﺸـــﺎﺀ
                  Structures Systems
                               ﺃﻨﻅﻤــــﺔ ﺍﻹﻨﺸـــﺎﺀ
                               Structures Systems
                                                ﺘﻤﻬﻴـــﺩ Introduction -:
 ...ﻴﺤﺘﻭﻱ ﻫﺫﺍ ﺍﻟﻔﺼل ﻋﻠﻰ ﺃﺭﺒﻌﺔ ﻭﺤﺩﺍﺕ ﻴﺘﻡ ﺍﻟﺘﻨﺎﻭل ﺒﻬﻤﺎ ﺃﻫﻡ ﺍﻟﻤﻌﻠﻭﻤـﺎﺕ ﺍﻷﺴﺎﺴـﻴﺔ
                                          ﻭﺍﻟﻤﺘﻌﻠﻘﺔ ﺒﺄﻨﻅﻤﺔ ﺍﻹﻨﺸﺎﺀ ﻭﺍﻟﻤﺘﻤﺜﻠﺔ ﻓﻲ -:
 Wall                                                     ﻨﻅﻡ ﺍﻹﻨﺸﺎﺀ ﺒﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ
                                                              Bearing Systems
         Skeleton System                                          ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
    Systems Shell-Light                               ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻘﺸﺭﻴﺔ )ﺍﻟﻔﺭﺍﻏﻴﺔ(
                                                                          Structure
        Pre-Cast Concrete Systems                  ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
                ﻨﻅﻡ ﺍﻹﻨﺸﺎﺀ ﺒﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ
               Wall Bearing Systems
                     ﻨﻅﻡ ﺍﻹﻨﺸﺎﺀ ﺒﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ
                     Wall Bearing Systems
                                                           ﺘﻌﺭﻴﻑ Definition -:
ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﻫﻲ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺩﺍﺨﻠﻴﺔ ﻭﺍﻟﺨﺎﺭﺠﻴﺔ ﻭﺍﻟﺘﻲ ﻴﺭﺘﻜﺯ ﻋﻠﻴﻬﺎ ﺍﻟﻤﺒﻨﻰ ،ﻭﺘﻘﻭﻡ ﺒﻨﻘل
ﺠﻤﻴﻊ ﺍﻷﺤﻤﺎل ﺍﻟﻤﻴﺘﺔ )ﺃﺭﻀﻴﺎﺕ ،ﺃﺴﻘﻑ( ﻭﺍﻷﺤﻤﺎل ﺍﻟﺤﻴﺔ )ﺍﻷﺸﺨﺎﺹ ،ﺍﻷﺜﺎﺙ( ﺇﻟﻰ ﺍﻟﺘﺭﺒﺔ
                                                   ﺍﻟﺘﻲ ﺘﻘﻊ ﺘﺤﺕ ﻫﺫﻩ ﺍﻟﺤﻭﺍﺌﻁ ﻤﺒﺎﺸﺭﺓ
 ...ﻭﺇﺭﺘﻔﺎﻉ ﺍﻟﻤﺒﺎﻨﻲ ﺫﺍﺕ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﻴﻜﻭﻥ ﺩﺍﺌﻤﺎﹰ ﻤﺤﺩﻭﺩ ﺒﺎﻹﻋﺘﻤﺎﺩ ﻋﻠﻰ ﺍﻷﺤﻤﺎل ﺍﻟﻤﻴﺘﺔ
ﻭﺍﻟﺤﻴﺔ  ،ﻭﻜﺫﻟﻙ ﻨﻭﻉ ﻭﻗﻭﺓ ﺘﺤﻤل ﺍﻟﺘﺭﺒﺔ ﺍﻟﻭﺍﻗﻌﺔ ﺘﺤﺘﻬﺎ ،ﻭﻟﺭﺒﻁ ﺃﺠﺯﺍﺀ ﺍﻟﻤﺒﻨﻰ ﺒﻌﻀـﻬﺎ ﻤـﻊ
         ﺒﻌﺽ ﻓﺈﻥ ﺍﻷﺤﺯﻤﺔ ﺍﻷﺭﻀﻴﺔ "ﺍﻟﻤﻴﺩﺍﺕ" ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻴﻤﻜﻥ ﻋﻤﻠﻬﺎ ﺘﺤﺕ ﻫﺫﻩ ﺍﻟﺤﻭﺍﺌﻁ.
        ﻨﻅﻡ ﺍﻹﻨﺸﺎﺀ ﺒﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ
       Wall Bearing Systems
Load Distribution Theory                ﻨﻅﺭﻴﺔ ﻨﻘل ﺍﻷﺤﻤﺎل ﻓﻲ ﺍﻟﻨﻅﺎﻡ -:
                                 ﻴﺘﻤﺜل ﻨﻅﺎﻡ ﻨﻘل ﺍﻷﺤﻤﺎل ﻓﻲ ﻨﻅﺎﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺒﺎﻟﺤﻭﺍﺌﻁ
                           ﺍﻟﺤﺎﻤﻠﺔ ﻓﻲ ﻨﻘل ﺠﻤﻴﻊ ﺃﺤﻤﺎل ﺍﻷﺭﻀﻴﺎﺕ ﻭﺃﺴﻘﻑ ﺍﻟﻁﻭﺍﺒﻕ
                               ﺍﻟﻤﺨﺘﻠﻔﺔ ﻟﻠﻤﺒﻨﻰ ﺇﻟﻰ ﺠﻤﻴﻊ ﺤﻭﺍﺌﻁﻪ ﺍﻟﺩﺍﺨﻠﻴﺔ ﻭﺍﻟﺨﺎﺭﺠﻴﺔ
                                                   ﺍﻟﻤﺭﺘﻜﺯﺓ ﻋﻠﻴﻬﺎ ﻭﻤﻨﻬﺎ ﺇﻟﻰ ﺍﻟﺘﺭﺒﺔ.
 ﻨﻅﻡ ﺍﻹﻨﺸﺎﺀ ﺒﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ
Wall Bearing Systems
                                ...ﻟﺫﻟﻙ ﻓﺈﻥ ﺤﻭﺍﺌﻁ ﺍﻟﺩﻭﺭ ﺍﻷﺭﻀﻲ ﻟﻠﻤﺒﻨﻰ ﻴﺭﺘﻜـﺯ
                               ﻋﻠﻴﻬﺎ ﺃﻜﺒﺭ ﺍﻷﺤﻤﺎل ﻭﻨﺘﻴﺠﺔ ﻟﺫﻟﻙ ﺘﻜﻭﻥ ﺃﻜﺜﺭ ﺴـﻤﻜﺎﹰ
                               ﻤﻥ ﺍﻟﺩﻭﺭ ﺍﻟﺫﻱ ﻴﻠﻴﻪ ﻭﺘﻘل ﺍﻟﺴﻤﺎﻜﺎﺕ ﻜﻠﹼﻤـﺎ ﺍﺘﺠﻬﻨـﺎ
                                                                          ﻷﻋﻠﻰ.
                                ...ﻭﻟﺫﺍ ﻴﺘﻡ ﻋﻤل ﺃﺴﺎﺴﺎﺕ ﻤﺴﺘﻤﺭﺓ ﺃﺴﻔل ﺠﻤﻴﻊ ﺤﺎﺌﻁ
                               ﺍﻟﺩﻭﺭ ﺍﻷﺭﻀﻲ ﻭﺒﻌﺭﺽ ﺃﻜﺒﺭ ﻤﻥ ﺍﻟﺤـﻭﺍﺌﻁ ﺤﺘـﻰ
                                   ﻨﻀﻤﻥ ﺘﻭﺯﻴﻊ ﺃﺤﻤﺎل ﺍﻟﻤﺒﻨﻰ ﺒﺎﻟﺘﺴﺎﻭﻱ ﻋﻠﻰ ﺍﻟﺘﺭﺒﺔ.
                                ...ﻭﺒﻨﺎﺀ ﻋﻠﻰ ﺫﻟﻙ ﻓﺈﻥ ﺍﺭﺘﻔﺎﻉ ﺍﻟﻤﺒﺎﻨﻲ ﻓﻲ ﻫﺫﺍ ﺍﻟﻨﻅﺎﻡ
                               ﻻ ﻴﺯﻴﺩ ﻋﻥ  5ﺃﺩﻭﺍﺭ ،ﻭﻴﻌﺘﻤﺩ ﺫﻟﻙ ﻋﻠﻰ ﺃﺤﻤـﺎل
                               ﺍﻟﻤﻭﺍﺩ ﺍﻟﺒﻨﺎﺌﻴﺔ ﻭﻗﻭﺓ ﺘﺤﻤل ﺍﻟﺘﺭﺒﺔ  ،ﻭﻴﻤﻜﻥ ﺘﻘﺴـﻴﻡ
                                                             ﻫﺫﻩ ﺍﻟﻤﺒﺎﻨﻲ ﺇﻟﻰ-:
                               ﻤﺒﺎﻨﻲ ﻤﻘﺎﻤﺔ ﻋﻠﻰ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﻤـﻥ ﺍﻟﻁـﻭﺏ ﺃﻭ
                                                                        ﺍﻟﺤﺠﺭ
                                           ﻤﺒﺎﻨﻲ ﻤﻘﺎﻤﺔ ﻋﻠﻰ ﺤﻭﺍﺌﻁ ﺤﺎﻤﻠﺔ ﺨﺭﺴﺎﻨﻴﺔ
                   ﻨﻅﻡ ﺍﻹﻨﺸﺎﺀ ﺒﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ
                  Wall Bearing Systems
                                   System Disadvantages                        ﻋﻴﻭﺏ ﺍﻟﻨﻅﺎﻡ :
                    ﻋﺩﺩ ﺍﻷﺩﻭﺍﺭ ﻓﻴﻪ  5-4ﺃﺩﻭﺍﺭ ﻓﻘﻁ ﻓﻲ ﺤﺎﻟﺔ ﺍﺴﺘﺨﺩﺍﻡ ﺍﻟﺤﺠﺭ ﻓﻲ ﺒﻨﺎﺀ ﺍﻟﺤﻭﺍﺌﻁ .    (1
                                 ﺴﻤﻙ ﺍﻟﺤﺎﺌﻁ ﻜﺒﻴﺭ ﻤﻤﺎ ﻴﻌﻨﻲ ﺃﻨﻪ ﺴﻴﺄﺨﺫ ﺤﻴﺯ ﻜﺒﻴﺭ ﻤﻥ ﺍﻟﻤﺴﺎﺤﺔ .   (2
         ﺒﻁﺀ ﺍﻟﺘﻨﻔﻴﺫ  ،ﺤﻴﺙ ﺃﻨﻪ ﻻ ﻴﻤﻜﻥ ﺼﺏ ﺍﻟﺴﻘﻑ ﺇﻻ ﺒﻌﺩ ﺒﻨﺎﺀ ﻜل ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺩﺍﺨﻠﻴﺔ ﻭﺍﻟﺨﺎﺭﺠﻴﺔ.   (3
ﻋﺩﻡ ﺇﻤﻜﺎﻨﻴﺔ ﺍﻟﺘﻐﻴﻴﺭ ﺍﻟﻤﻌﻤﺎﺭﻱ  ،ﺤﻴﺙ ﺃﻥ ﺇﺯﺍﻟﺔ ﺃﻱ ﺤﻭﺍﺌﻁ ﻴﺅﺜﺭ ﺘﺄﺜﻴﺭ ﻜﺒﻴﺭ ﻋﻠﻰ ﺍﻟﻤﺒﻨﻰ ﻜﻠﹼﻪ  ،ﻷﻥ   (4
ﺍﻟﺤﻭﺍﺌﻁ ﻫﻲ ﺍﻟﺘﻲ ﺘﺤﻤل ﺍﻟﺴﻘﻑ ،ﻭﻴﺸﺎﺭ ﻫﻨﺎ ﺃﻥ ﺍﻟﺤﺎﺌﻁ ﻓﻲ ﺍﻟﻁﺎﺒﻕ ﺍﻷﺭﻀﻲ ﻓﻭﻗﻬﺎ ﺘﻤﺎﻤﺎﹰ ﺤﺎﺌﻁ ﻓـﻲ
ﺍﻟﻁﺎﺒﻕ ﺍﻷﻭل ﻭﻓﻭﻗﻬﺎ ﺤﺎﺌﻁ ﻓﻲ ﺍﻟﻁﺎﺒﻕ ﺍﻟﺜﺎﻨﻲ ﻭﻫﻜﺫﺍ  ،..ﻤﻤﺎ ﻴﻌﻨﻲ ﺃﻥ ﺠﻤﻴﻊ ﺍﻷﺩﻭﺍﺭ ﻤﺘﺸـﺎﺒﻬﺔ ﻭﻻ
                                     ﻴﻤﻜﻥ ﺃﻥ ﻨﺠﺩ ﺍﻟﺘﻘﻁﻴﻊ ﺍﻟﻤﻌﻤﺎﺭﻱ ﻟﺩﻭﺭ ﻴﺨﺘﻠﻑ ﻋﻥ ﺩﻭﺭ ﺁﺨﺭ.
ﺼﻌﻭﺒﺔ ﺍﻟﺘﻤﺩﻴﺩﺍﺕ ﺍﻟﻜﻬﺭﺒﺎﺌﻴﺔ ﻭﺍﻟﺼﺤﻴﺔ  ،ﺤﻴﺙ ﺃﻥ ﺍﻟﻁﻭﺏ ﺍﻟﻤﺴﺘﺨﺩﻡ ﻫﻭ ﺍﻟﻁﻭﺏ ﺍﻟﺒﻠﺩﻱ ﺍﻟﻤﺼـﻤﺕ          (5
                                                                 ﻭﺍﻟﺫﻱ ﻴﺼﻌﺏ ﺍﻟﺘﻜﺴﻴﺭ ﻓﻴﻪ.
                                                             ﻋﺯل ﺭﺩﻱﺀ ﻟﻠﺼﻭﺕ ﻭﺍﻟﺤﺭﺍﺭﺓ.       (6
ﻋﺩﻡ ﺇﻤﻜﺎﻨﻴﺔ ﻋﻤل ﻓﺘﺤﺎﺕ ﻭﺍﺴﻌﺔ ،ﺤﻴﺙ ﺃﻥ ﺍﻟﻔﺘﺤﺎﺕ ﺍﻟﻭﺍﺴﻌﺔ ﺘﻌﻨﻲ ﺼﻐﺭ ﺍﻟﺠﺯﺀ ﺍﻟﺤﺎﻤل ﻟﻠﺤﺎﺌﻁ ﻤﻤﺎ        (7
                                                                     ﻴﻌﻨﻲ ﻀﻌﻔﻪ ﺒﺸﻜل ﻋﺎﻡ.
ﻋﺩﻡ ﺇﻤﻜﺎﻨﻴﺔ ﺍﻟﺤﺼﻭل ﻋﻠﻰ ﻤﺴﺎﺤﺎﺕ ﻭﺍﺴﻌﺔ  5-4ﻤﺘﺭ ﻜﺤﺩ ﺃﻗﺼﻰ  ،ﻭﻻ ﻴﻤﻜﻥ ﻭﺠﻭﺩ ﻏﺭﻓﺔ ﺃﻭ ﺃﻱ              (8
                                  ﻤﻜﺎﻥ ﺒﺎﻟﻤﺒﻨﻰ ﺒﻬﺎ ﻤﺴﺎﻓﺔ ﺃﻜﺒﺭ ﻤﻥ ﺫﻟﻙ ﺩﻭﻥ ﻭﺠﻭﺩ ﺤﺎﺌﻁ ﺤﺎﻤل.
                                 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                                Skeleton Systems
                                                    ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                                                    Skeleton Systems
                                                                                               Introduction    ﺘﻤﻬﻴﺩ -:
ﺘﻌﺘﺒﺭ ﻨﻅﻡ ﻫﺫﻩ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻷﻜﺜﺭ ﺸﻴﻭﻋﺎﹰ ﻓﻲ ﺍﻷﻨﻅﻤﺔ ﺍﻟﻤﺴﺘﺨﺩﻤﺔ ﻓﻲ ﻤﻨﺸﺂﺕ ﻗﻁﺎﻉ ﻏﺯﺓ ،ﻭﺫﻟﻙ ﻟﻤﺯﺍﻴﺎﻫﺎ ﺍﻟﻜﺜﻴﺭﺓ ﻭﺍﻟﻤﻼﺌﻤﺔ ﻟﻅﺭﻭﻑ ﺍﻟﻘﻁﺎﻉ
                                                                                 ﻤﻥ ﺍﻟﻨﺎﺤﻴﺔ ﺍﻟﺒﻴﺌﻴﺔ ﻭﺍﻻﻗﺘﺼﺎﺩﻴﺔ ﻭﺍﻟﻔﻨﻴﺔ .
                ...ﻭﻴﺘﻡ ﺘﻨﻔﻴﺫ ﻫﺫﻩ ﺍﻟﻤﻨﺸﺂﺕ ﻤﻥ ﺍﻟﺨﺭﺴﺎﻨﺔ ﺍﻟﻤﺴﻠﹼﺤﺔ ﺃﻭ ﻤﻥ ﺍﻟﺼﻠﺏ ﺍﻟﻤﻐﻠﻑ ﺒﺎﻟﺨﺭﺴﺎﻨﺔ ،ﻭﻴﻨﻘﺴﻡ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ
                                                             ﺍﻟﻤﻨﺸﺂﺕ ﺇﻟﻰ ﻋﺩﺓ ﺃﻗﺴﺎﻡ ﻜﻤﺎ ﻫﻭ ﻭﺍﻀﺢ ﻓﻲ ﺍﻟﺸﻜل ﺍﻟﺘﺎﻟﻲ -:
                                           Skeleton Systems       ﺃﻨﻭﺍﻉ ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                                                ﻤﻨﺸﺂﺕ ﻫﻴﻜﻠﻴﺔ "ﻨﻅﺎﻡ ﺍﻟﻜﻤﺭﺓ ﻭﺍﻟﻌﺎﻤﻭﺩ"
                                                   Beam and Column Systems
                                                 ﻤﻨﺸﺂﺕ ﻫﻴﻜﻠﻴﺔ " ﻨﻅﺎﻡ ﺍﻹﻁﺎﺭ ﺍﻟﺤﺎﻤل "
                                                         Frame Systems
                                                   ﻤﻨﺸﺂﺕ ﻫﻴﻜﻠﻴﺔ " ﻨﻅﺎﻡ ﺍﻟﺠﻤﺎﻟﻭﻥ "
                                                          Truss Systems
                  ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                 Skeleton Systems
                  ﻨﻅﻡ ﺍﻟﻤﻨﺸﺎﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ " ﻨﻅﺎﻡ ﺍﻟﻜﻤﺭﺓ ﻭﺍﻟﻌﺎﻤﻭﺩ "
                    Beam And Column Systems
                                                      Introduction             ﺘﻤﻬﻴﺩ -:
• ﻗﺩﻴﻤﺎﹰ ﺍﺴﺘﺨﺩﻤﺕ ﺍﻷﻋﻤﺩﺓ ﻭﺍﻟﻜﻤﺭﺍﺕ )ﺍﻷﻋﺘﺎﺏ( ﻓﻲ ﺍﻟﺤﻀﺎﺭﺍﺕ ﺍﻟﻘﺩﻴﻤﺔ ﻤﺜل ﺍﻟﻤﺼﺭﻴﺔ ﻭﺍﻟﻴﻭﻨﺎﻨﻴﺔ
 ،ﺤﻴﺙ ﻜﺎﻨﺕ ﺫﺍﺕ ﺤﺠﻡ ﻀﺨﻡ ﻭﺍﻟﺒﺤﻭﺭ ﺒﻴﻨﻬﺎ ﻗﺼﻴﺭﺓ ﻨﻅﺭﺍﹰ ﻟﻀـﻌﻑ ﻤﺘﺎﻨـﺔ ﺍﻟﻤـﻭﺍﺩ ﺍﻟﻤﺴـﺘﺨﺩﻤﺔ
                                            )ﺍﻷﺤﺠﺎﺭ( ﻭﻋﺩﻡ ﻤﻘﺎﻭﻤﺔ ﺍﻟﻜﻤﺭﺍﺕ )ﺍﻷﻋﺘﺎﺏ( ﻟﻠﺸﺩ.
                       • ﻨﻅﺎﻡ ﺍﻹﻨﺸﺎﺀ ﺒﺎﻟﻜﻤﺭﺓ ﻭﺍﻟﻌﺎﻤﻭﺩ ﻴﻌﺘﺒﺭ ﻨﻅﺎﻡ ﺇﻨﺸﺎﺀ ﺨﻁﻲ ﺘﻘﻠﻴﺩﻱ ﺒﺴﻴﻁ.
             • ﺍﻟﻬﻴﻜل ﺍﻟﻌﺎﻡ ﻟﻬﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻟﻤﻨﺸﺂﺕ ﻫﻭ ﺍﻷﺴﻘﻑ ﻭﺍﻟﻜﻤﺭﺍﺕ ﻭﺍﻷﻋﻤﺩﺓ ﻭﺍﻷﺴﺎﺴﺎﺕ.
                               • ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻟﻤﻨﺸﺂﺕ ﻴﺼل ﺍﺭﺘﻔﺎﻋﻪ ﺇﻟﻰ ﺃﻜﺜﺭ ﻤﻥ  30ﺩﻭﺭ.
• ﻻ ﻴﺴﺘﺨﺩﻡ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻟﻤﻨﺸﺂﺕ ﻓﻲ ﺤﺎﻟﺔ ﺍﻟﺒﺤﻭﺭ ﺍﻟﻜﺒﻴﺭﺓ ،ﻭﺫﻟﻙ ﻨﻅﺭﺍﹰ ﻟﺯﻴﺎﺩﺓ ﻋﻤﻕ ﺍﻟﻜﻤﺭﺍﺕ.
• ﻴﺸﻴﺩ ﻫﺫﺍ ﺍﻟﻨﻅﺎﻡ ﺒﺎﺴﺘﻌﻤﺎل )ﻗﻁﺎﻋﺎﺕ ﻤﻥ ﺍﻷﺨﺸﺎﺏ ﺃﻭ ﺍﻟﺤﺩﻴﺩ ﺃﻭ ﺍﻟﺨﺭﺴﺎﻨﺔ ﺍﻟﻤﺴﻠﺤﺔ ﺍﻟﻤﺼـﺒﻭﺒﺔ
                                                                  ﺒﺎﻟﻤﻭﻗﻊ ﺃﻭ ﺴﺎﺒﻘﺔ ﺍﻟﺼﺏ(.
• ﺍﻟﺤﻭﺍﺌﻁ ﻓﻲ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻟﻤﻨﺸﺂﺕ ﺘﺴﺘﺨﺩﻡ ﻜﺴﺘﺎﺌﺭ ﺃﻭ ﻓﻭﺍﺼل ﺒﻴﻥ ﺍﻟﻐﺭﻑ  ،ﻜﺫﻟﻙ ﺘﺴـﺘﺨﺩﻡ
ﻟﺤﻤﺎﻴﺔ ﺍﻟﺴﻜﹼﺎﻥ ﻤﻥ ﺍﻟﻤﺅﺜﺭﺍﺕ ﺍﻟﺨﺎﺭﺠﻴﺔ ﻭﺍﻟﻌﻭﺍﻤل ﺍﻟﺠﻭﻴﺔ )ﺍﻟﺤﺭﺍﺭﺓ – ﺍﻟﺭﻁﻭﺒـﺔ – ﺍﻟﻀﻭﻀـﺎﺀ –
                                                                     ﺍﻟﻀﻭﺀ ﻭﻏﻴﺭ ﺫﻟﻙ.(...
                  ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                 Skeleton Systems
   Components of the System                              ﺍﻷﺠﺯﺍﺀ ﺍﻟﻤﻜﻭﻨﺔ ﻟﻬﺫﺍ ﺍﻟﻨﻅﺎﻡ -:
                            Slabs               ﺍﻟﺒﻼﻁﺎﺕ "ﺍﻷﺴﻘﻑ " .       ﺃﻭﻻﹰ/
                            Beams                          ﺍﻟﻜﻤﺭﺍﺕ.     ﺜﺎﻨﻴﺎﹰ/
                            Columns                         ﺍﻷﻋﻤﺩﺓ.     ﺜﺎﻟﺜﺎﹰ/
                            Foundations                    ﺭﺍﺒﻌﺎﹰ /ﺍﻷﺴﺎﺴﺎﺕ
)ﺍﻟﻘﻭﺍﻋﺩ ،Footingsﺭﻗﺎﺏ ﺍﻷﻋﻤﺩﺓ  ، Neck of Columnsﺍﻷﺤﺯﻤﺔ ﺍﻷﺭﻀـﻴﺔ "ﺍﻟﻤﻴـﺩﺍﺕ"
                                                     (Ground Beams
                             Walls                          ﺨﺎﻤﺴﺎﹰ /ﺍﻟﺤﻭﺍﺌﻁ.
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
Skeleton Systems
                                 ﻨﻅﺭﻴﺔ ﻨﻘل ﺍﻷﺤﻤﺎل ﻓﻲ ﺍﻟﻨﻅﺎﻡ :
                             Load Distribution Theory
                        •ﻨﻅﺭﻴﺔ ﻨﻘل ﺍﻷﺤﻤﺎل ﺘﻌﺘﻤﺩ ﻓﻲ ﻫﺫﺍ ﺍﻟﻨﻅﺎﻡ ﻋﻠﻰ ﻨﻘل
                        ﺍﻷﺤﻤﺎل ﻤﻥ ﺍﻷﺭﻀﻴﺎﺕ ﻭﺍﻟﺤﻭﺍﺌﻁ ﻭﺍﻟﺒﻼﻁﺎﺕ ﺇﻟـﻰ
                        ﺍﻟﻜﻤﺭﺍﺕ ﻓﻲ ﺍﻟﺴﻘﻑ ﺜﻡ ﺍﻷﻋﻤﺩﺓ ﻓﺎﻷﺴﺎﺴﺎﺕ ﺜﻡ ﺇﻟـﻰ
                                                                   ﺍﻟﺘﺭﺒﺔ.
                        •ﺘﺤﻤل ﺍﻟﻜﻤﺭﺍﺕ ﺍﻟﺒﻼﻁﺎﺕ ﻭﺘﺭﺘﻜﺯ ﺍﺭﺘﻜﺎﺯﺍﹰ ﺤـﺭﺍﹰ ﺃﻭ
                        ﺜﺎﺒﺘﺎﹰ ﻋﻠﻰ ﺍﻷﻋﻤﺩﺓ ﺤﻴﺙ ﺘﻅﻬﺭ ﺒﺼﻭﺭﺓ ﻨﻅﺎﻡ ﺸـﺒﻜﺔ
                        ﻤﺘﻌﺎﻤﺩﺓ ﻤﻥ ﺍﻟﻜﻤﺭﺍﺕ ﻭﺍﻟﺒﻼﻁـﺎﺕ ﺘﺘـﻭﺯﻉ ﻋﻨـﺩﻫﺎ
                                                      ﺍﻷﺤﻤﺎل ﻓﻲ ﺍﺘﺠﺎﻫﻴﻥ.
                        •ﻫﻨﺎﻙ ﺍﺭﺘﺒﺎﻁ ﻭﺜﻴﻕ ﺒﻴﻥ ﺍﺭﺘﻔﺎﻉ ﺍﻟﻤﺒﻨﻰ ﻭﺯﻴﺎﺩﺓ ﻤﻘﺎﺱ
                        ﻤﻘﻁﻊ ﺃﻋﻤﺩﺘﻪ ﻭﻴﻔﻀل ﻋﺩﻡ ﺍﻟﻤﺒﺎﻟﻐﺔ ﻓـﻲ ﻀـﺨﺎﻤﺘﻬﺎ
                                       ﺤﺘﻰ ﻻ ﺘﻘل ﻤﺴﺎﺤﺔ ﺍﻟﻔﺭﺍﻏﺎﺕ ﺒﺎﻟﻤﺒﻨﻰ.
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
Skeleton Systems
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
Skeleton Systems
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
Skeleton Systems
                          ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                         Skeleton Systems
                                                         ﻤﺯﺍﻴﺎ ﺍﻟﻨﻅﺎﻡ System Advantages :
                                                           ...ﻫﻨﺎﻙ ﻋﺩﺓ ﻤﺯﺍﻴﺎ ﻟﻬﺫﺍ ﺍﻟﻨﻅﺎﻡ ﺠﻌﻠﺘﻪ ﺍﻷﻜﺜﺭ ﺍﻨﺘﺸﺎﺭﺍﹰ:
                            Easy and Fast Implementation                            (1ﺴﺭﻋﺔ ﻭﺴﻬﻭﻟﺔ ﺍﻟﺘﻨﻔﻴﺫ:
ﻓﻤﺜﻼﹰ ﻋﻨﺩﻤﺎ ﺘﻨﺘﻬﻲ ﻤﻥ ﺍﻷﻋﻤﺩﺓ ﻭﺍﻟﺴﻘﻑ ﺘﺄﺘﻲ ﻋﻤﻠﻴﺔ ﺍﻟﺘﺸﻁﻴﺏ ) ، (Finnishﺤﻴﺙ ﻴﻜـﻭﻥ ﺍﻟﻌﻤـل ﻓـﻭﻕ ﺍﻟﺴـﻘﻑ
                                                                                                    ﻭﺘﺤﺘﻪ.
                                    Multi-story                                   (2ﻴﻤﻜﻥ ﻋﻤل ﻤﺒﺎﻨﻲ ﻋﺎﻟﻴﺔ :
ﻨﺘﻴﺠﺔ ﻟﺨﻔﺔ ﻭﺯﻥ ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﻴﻤﻜﻥ ﻋﻤل ﺃﺒﺭﺍﺝ  ،ﻭﻫﺫﺍ ﻏﻴﺭ ﻤﻤﻜﻥ ﻓﻲ ﻨﻅﺎﻡ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠـﺔ ﻤـﺜﻼﹰ ) 5-4ﺃﺩﻭﺍﺭ
ﻜﺤﺩ ﺃﻗﺼﻰ( ﻷﻥ ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﺒﻪ ﺃﻭﺯﺍﻥ ﺨﻔﻴﻔﺔ ﻓﻲ ﺍﻷﺴﺎﺱ ﻭﻫﻲ ﺃﻭﺯﺍﻥ ﺍﻷﻋﻤﺩﺓ ﻭﺍﻷﺴـﻘﻑ  ،ﻭﺒـﺎﻗﻲ ﺍﻷﻭﺯﺍﻥ
ﻴﻤﻜﻥ ﺘﺨﻔﻴﻔﻬﺎ ﻋﻥ ﻁﺭﻴﻕ ﻋﻤل ﺤﻭﺍﺌﻁ ﺨﻔﻴﻔﺔ ﻤﺜل ﺤﻭﺍﺌﻁ ﺍﻷﻟﻤﻨﻴﻭﻡ ﻭﺍﻟﺯﺠﺎﺝ ﻭﺍﻟﺠﺒﺱ ،ﻭﻫﺫﺍ ﻤـﺎ ﻴﺅﻫـل ﺍﻟﻨﻅـﺎﻡ
                    ﺍﻟﻬﻴﻜﻠﻲ ﻟﻌﻤل ﻤﺒﺎﻨﻲ ﻋﺎﻟﻴﺔ ﻫﻭ ﻟﻜﻭﻥ ﺍﻷﻭﺯﺍﻥ ﻋﻠﻰ ﺍﻟﻌﻨﺎﺼﺭ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﺃﻭﺯﺍﻥ ﻗﻠﻴﻠﺔ ﻨﺴﺒﻴﺎﹰ.
                                Concrete Thin Sections                (3ﺍﻟﻤﻘﺎﻁﻊ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ )ﺼﻐﻴﺭﺓ ﻨﺴﺒﻴﺎﹰ(:
ﻓﺎﻷﻋﻤﺩﺓ ﻤﺜﻼﹰ ﻤﻘﺎﻁﻌﻬﺎ ﺼﻐﻴﺭﺓ ﻨﺴﺒﻴﺎﹰ  ،ﻭﺤﺘﻰ ﺍﻟﺤﻭﺍﺌﻁ ﻤﻘﺎﻁﻌﻬﺎ ﺼﻐﻴﺭﺓ ﻤﻘﺎﺭﻨﺔ ﺒﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﻋﻠﻰ ﺴﺒﻴل ﺍﻟﻤﺜـﺎل
ﻭﺍﻟﺘﻲ ﻗﺩ ﺘﺒﻠﻎ  51ﺴﻡ ،ﻭﻴﻤﻜﻥ ﻋﻤل ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺨﺎﺭﺠﻴﺔ  10ﺴﻡ ﻭﻟﻜﻥ ﻴﻔﻀل ﺍﺴﺘﺨﺩﺍﻡ ﻁﻭﺏ  20ﺤﺘـﻰ ﻴﺴـﻬل
                                     ﻭﻀﻊ ﻤﻭﺍﺴﻴﺭ ﺍﻟﺼﺭﻑ ﺍﻟﺘﻲ ﺒﻘﻁﺭ )، ("4ﻭﻟﺘﻐﻁﻴﺔ ﺍﻟﺒﺭﻭﺯ ﻓﻲ ﺍﻷﻋﻤﺩﺓ .
ﻤﻼﺤﻅﺔ :ﺴﻤﻙ ﺍﻟﺤﺎﺌﻁ ﻻ ﻴﺅﺜﺭ ﻓﻲ ﻤﺴﺄﻟﺔ ﺍﻟﺭﻁﻭﺒﺔ ،ﺤﻴﺙ ﺃﻥ ﺍﻟﺭﻁﻭﺒﺔ ﺘﻌﺎﻟﺞ ﺒﻌﺯل ﺍﻟﻭﺍﺠﻬﺔ ﻤﻥ ﺍﻟﺨﺎﺭﺝ ﺒﺎﻟﻘﺼﺎﺭﺓ ﺃﻭ
                                                                                ﺍﻟﺒﻭﺭﺴﻭﻻﻥ ﺃﻭ ﺍﻟﺩﻫﺎﻥ(.
                      ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                     Skeleton Systems
                      Architectural Flexibility                        (4ﺇﻤﻜﺎﻨﻴﺔ ﺍﻟﺘﻐﻴﻴﺭ ﺍﻟﻤﻌﻤﺎﺭﻱ:
                  ﻴﻤﻜﻥ ﺇﺯﺍﻟﺔ ﺃﻱ ﺤﺎﺌﻁ ﺃﻭ ﺘﻭﺴﻴﻊ ﺃﻱ ﻏﺭﻓﺔ ﺃﻭ ﺘﻀﻴﻴﻘﻬﺎ ﻭﻫﺫﺍ ﻏﻴﺭ ﻤﺘﻭﻓﺭ ﻓﻲ ﺍﻷﻨﻅﻤﺔ ﺍﻷﺨﺭﻯ.
                               Long spans                (5ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﻴﻌﻁﻲ ﻤﺴﺎﺤﺎﺕ ﻭﺍﺴﻌﺔ:
ﻴﻤﻜﻥ ﺒﺎﺴﺘﺨﺩﺍﻡ ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﻋﻤل ﻤﺴﺎﻓﺎﺕ 8-7ﻡ  ،ﺤﻴﺙ ﻓﻲ ﻨﻅﺎﻡ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﻤﺤﻜﻭﻤﺔ ﺒـ 5-4ﻡ ﻜﺤـﺩ
                                                                                    ﺃﻗﺼﻰ.
                        Sound Insulation                                (6ﻋﺯل ﺃﻓﻀل ﻟﻠﺼﻭﺕ:
ﺤﻴﺙ ﺃﻥ ﺍﻟﻁﻭﺏ ﺍﻟﻤﻔﺭﻍ ﻻ ﻴﻨﻘل ﺍﻟﺼﻭﺕ ﺒﻭﻀﻭﺡ ﺒﻌﻜﺱ ﺍﻟﻁﻭﺏ ﺍﻟﻤﺼﻤﺕ ﺍﻟﻤﺴﺘﺨﺩﻡ ﻓﻲ ﺍﻷﻨﻅﻤﺔ ﺍﻷﺨـﺭﻯ ﻜﻨﻅـﺎﻡ
                                                                          ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ.
                                                           (7ﺴﻬﻭﻟﺔ ﺍﻟﺘﻤﺩﻴﺩﺍﺕ ﺍﻟﺼﺤﻴﺔ ﻭﺍﻟﻜﻬﺭﺒﺎﺌﻴﺔ-:
                                 Easy Channeling of Sanitary and Electric Utilities
ﻷﻥ ﻁﺒﻴﻌﺔ ﺍﻟﻁﻭﺏ ﺍﻟﻌﺎﺩﻱ ﺍﻟﻤﺴﺘﺨﺩﻡ ﻓﻲ ﻫﺫﺍ ﺍﻟﻨﻅﺎﻡ ﺘﺴﻤﺢ ﺒﺎﻟﺤﻔﺭ ﺒﺴﻬﻭﻟﺔ ﺨﻼﻟﻪ ﻭﻭﻀﻊ ﺍﻷﺴﻼﻙ ﻭﺍﻟﻤﻭﺍﺴﻴﺭ ﻋﻜﺱ
                            ﺃﻨﻭﺍﻉ ﺃﺨﺭﻯ ﻤﻥ ﺍﻷﻨﻅﻤﺔ ﻜﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﺍﻟﺘﻲ ﻴﺴﺘﺨﺩﻡ ﺍﻟﻁﻭﺏ ﺍﻟﻤﺼﻤﺕ.
                                                      (8ﺇﻤﻜﺎﻨﻴﺔ ﻋﻤل ﻓﺘﺤﺎﺕ )ﺃﺒﻭﺍﺏ  +ﺸﺒﺎﺒﻴﻙ( ﻭﺍﺴﻌﺔ:
                                                         Possibilities Wide Fenestration
ﻓﻲ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﻤﺜﻼﹰ ﻜﻠﹼﻤﺎ ﻜﺎﻨﺕ ﺍﻟﻔﺘﺤﺎﺕ ﺃﻭﺴﻊ ﻓﺈﻥ ﺫﻟﻙ ﻴﻌﻨﻲ ﻀﻌﻑ ﺍﻟﺤﺎﺌﻁ ﻷﻥ ﺍﻟﺤـﺎﺌﻁ ﻫـﻭ ﺍﻟـﺫﻱ ﻴﺤﻤـل
                ﺍﻷﻭﺯﺍﻥ ،ﺒﻴﻨﻤﺎ ﻓﻲ ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﻴﻤﻜﻥ ﻋﻤل ﺍﻟﻭﺍﺠﻬﺔ ﻜﻠﹼﻬﺎ ﺸﺒﺎﻙ ﺃﻭ ﻋﻤل ﺒﺎﺏ ﺒﺄﻱ ﺤﺠﻡ.
            ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
           Skeleton Systems
                                           ﻤﻼﺤﻅﺎﺕ ﻋﺎﻤﺔ ﻋﻠﻰ ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ-:
ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﻫﻭ ﺍﻟﻨﻅﺎﻡ ﺍﻟﺫﻱ ﺃﺜﺒﺕ ﺠﺩﺍﺭﺘﻪ ،ﻓﻴﻤﻜﻥ ﺍﻟﺘﺤﻜﻡ ﻓﻴﻪ ﻭﺒﻌﻨﺎﺼﺭﻩ ﺤﺴﺏ ﺍﻟﺤﺎﻟﺔ ﺍﻟﺘـﻲ
ﻟﺩﻴﻨﺎ  ،ﻓﻤﺜﻼﹰ ﺍﻟﻤﺒﺎﻨﻲ ﺍﻟﻌﺎﻟﻴﺔ ﺫﺍﺕ ﺍﻷﺩﻭﺍﺭ ﺍﻟﻌﺸﺭﺓ ﺘﻜﻭﻥ ﺍﻷﺴﺎﺴﺎﺕ ﻋﻠﻰ ﺸﻜل ﻗﻭﺍﻋﺩ ﻤﻨﻔﺼﻠﺔ
 ،ﻭﻟﻭ ﻜﺎﻨﺕ  15-14ﺩﻭﺭ ﺘﻜﻭﻥ ﻟﺒﺸﺔ ،ﺍﻷﻭﺯﺍﻥ ﺍﻟﺘﻲ ﺘﻜﻭﻥ ﻤﺤﻤﻠﺔ ﻋﻠﻰ ﺍﻷﺴﺎﺴﺎﺕ ﻓﻲ ﻫـﺫﺍ
ﺍﻟﻨﻅﺎﻡ ﺃﻗل ﺒﻜﺜﻴﺭ ﻤﻥ ﺍﻷﻭﺯﺍﻥ ﺍﻟﺘﻲ ﻋﻠﻰ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ،ﻭﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﻨﻅﺭﺍﹰ ﻷﻨﻪ ﻤـﻥ
ﺍﻟﺨﺭﺴﺎﻨﺔ ﻭﻤﻥ ﺍﻟﻤﻌﺭﻭﻑ ﺃﻥ ﺍﻟﺨﺭﺴﺎﻨﺔ ﻤﻥ ﻋﻴﻭﺒﻬﺎ ﺃﻥ ﻭﺯﻨﻬﺎ ﺜﻘﻴل ) 2.5ﻁﻥ/ﻤﺘﺭ (3ﻓﺈﻥ ﺫﻟﻙ
                           ﻴﻌﻨﻲ ﻋﺩﻡ ﺇﻤﻜﺎﻨﻴﺔ ﻋﻤل ﻤﺒﺎﻨﻲ ﻤﻥ ﺍﻟﺨﺭﺴﺎﻨﺔ  60ﺃﻭ  90ﺩﻭﺭ .
ﻓﻌﻠﻰ ﺴﺒﻴل ﺍﻟﻤﺜﺎل ﻓﻨﺠﺩ ﺃﻥ ﺃﻗﺼﻰ ﻤﺒﻨﻰ ﺨﺭﺴﺎﻨﻲ ﻗﺩ ﻴﺼل ﺇﻟﻰ  30-25ﺩﻭﺭ ﻭﻟﻭ ﺃﺭﺩﻨﺎ ﺍﻟﺯﻴﺎﺩﺓ
ﻋﻠﻰ ﺫﻟﻙ ﻴﺘﻡ ﺇﺘﺒﺎﻉ ﻁﺭﻴﻘﺔ ﺍﻟﻬﻴﺎﻜل ﺍﻟﻔﻭﻻﺫﻴﺔ ﻜﻤﺎ ﻓﻲ ﻨﺎﻁﺤﺎﺕ ﺍﻟﺴﺤﺎﺏ  ،ﻭﻟﻜﻥ ﺍﻷﺴﺎﺴـﺎﺕ
ﻭﺍﻷﺩﻭﺍﺕ ﺍﻟﺘﻲ ﺘﺤﺕ ﺍﻷﺭﺽ ﻟﻬﺫﻩ ﺍﻟﻨﺎﻁﺤﺎﺕ ﺘﻜﻭﻥ ﺠﻤﻴﻌﻬﺎ ﻤﻥ ﺍﻟﺨﺭﺴﺎﻨﺔ ،ﻭﻴﺸﺎﺭ ﻫﻨﺎ ﺇﻟﻰ ﺃﻥ
            ﻗﻭﺓ ﺍﻟﺘﺭﺒﺔ ﺘﺘﺤﻜﻡ ﻓﻲ ﻋﺩﺩ ﺍﻷﺩﻭﺍﺭ ﻷﻥ ﻤﻌﻅﻡ ﺍﻟﻤﺸﺎﻜل ﻓﻲ ﺍﻟﻤﺒﺎﻨﻲ ﻤﻥ ﺍﻷﺴﺎﺴﺎﺕ.
                               ..ﻭﻓﻴﻤﺎ ﻴﻠﻲ ﺸﺭﺡ ﺘﻔﺼﻴﻠﻲ ﻟﻸﺠﺯﺍﺀ ﺍﻟﻤﻜﻭﻨﺔ ﻟﻬﺫﺍ ﺍﻟﻨﻅﺎﻡ ...
                    ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                   Skeleton Systems
                        ﺃﻭﻻﹰ /ﺍﻷﺴﻘﻑ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ " ﺍﻟﺒﻼﻁﺎﺕ "
                             Concrete Slabs
                                                                   ﺘﻌﺭﻴﻑ Definition -:
ﺍﻷﺴﻘﻑ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻫﻲ ﺍﻷﺴﻁﺢ ﺍﻷﻓﻘﻴﺔ ﻤﻥ ﺍﻟﻤﺒﻨﻰ ﻭﺍﻟﺫﻱ ﺘﺘﻡ ﺍﻟﺤﺭﻜﺔ ﻭﺍﻹﻋﺎﺸﺔ ﻋﻠﻴﻪ ،ﻭﺘﻨﻘﺴﻡ ﻤﻥ ﺤﻴـﺙ
                                                      ﺍﻟﺸﻜل ﺍﻹﻨﺸﺎﺌﻲ ﺇﻟﻰ ﻋﺩﺓ ﺃﻨﻭﺍﻉ ﻤﻨﻬﺎ:
       ) Solid Slabsﺫﺍﺕ ﺍﻻﺘﺠﺎﻩ ﺍﻟﻭﺍﺤﺩ – ﺫﺍﺕ ﺍﻻﺘﺠﺎﻫﻴﻥ(.         (1ﺍﻷﺴﻘﻑ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﺍﻟﻤﺼﻤﺘﺔ
        )Ribs Slabsﺫﺍﺕ ﺍﻻﺘﺠﺎﻩ ﺍﻟﻭﺍﺤﺩ – ﺫﺍﺕ ﺍﻻﺘﺠﺎﻫﻴﻥ(.                    (2ﺍﻷﺴﻘﻑ ﺍﻟﻬﻭﺭﺩﻱ
                                            Flat Slabs                 (3ﺍﻷﺴﻘﻑ ﺍﻟﻤﺴﻁﺤﺔ.
                                                             ...ﻭﻓﻴﻤﺎ ﻴﻠﻲ ﺸﺭﺡ ﻤﺒﺴﻁ ﻟﻜل ﻨﻭﻉ -:
                                             -1ﺍﻷﺴﻘﻑ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﺍﻟﻤﺼﻤﺘﺔSolid Slabs -:
• ﻴﺘﻤﻴﺯ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻷﺴﻘﻑ ﺒﺎﻟﺴﻤﻙ ﺍﻟﻘﻠﻴل ،ﻭﻴﻨﺘﻘل ﺍﻟﺤﻤل ﻓﻴﻬﺎ ﻤﺒﺎﺸﺭﺓ ﺇﻟﻰ ﺍﻟﻜﻤﺭﺍﺕ ﺍﻟﺤﺎﻤﻠـﺔ
                            )ﺍﻹﻁﺎﺭﺍﺕ( ،ﻭﻤﻨﻬﺎ ﺇﻟﻰ ﺍﻷﻋﻤﺩﺓ ﺜﻡ ﺇﻟﻰ ﺍﻷﺴﺎﺴﺎﺕ ﺜﻡ ﺇﻟﻰ ﺍﻟﺘﺭﺒﺔ.
                       • ﻴﻨﻘﺴﻡ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻷﺴﻘﻑ ﺤﺴﺏ ﺍﺘﺠﺎﻩ ﺘﻭﺯﻴﻊ ﺍﻷﺤﻤﺎل ﺇﻟﻰ ﻨﻭﻋﻴﻥ:
                                                    ﺃ -ﺍﻷﺴﻘﻑ ﺍﻟﺘﻲ ﺘﻭﺯﻉ ﺤﻤﻠﻬﺎ ﻓﻲ ﺍﺘﺠﺎﻩ ﺍﻟﻭﺍﺤﺩ.
                                                        ﺏ -ﺍﻷﺴﻘﻑ ﺍﻟﺘﻲ ﺘﻭﺯﻉ ﺤﻤﻠﻬﺎ ﻓﻲ ﺍﺘﺠﺎﻫﻴﻥ.
                    ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                   Skeleton Systems
                                           ﺃ -ﺍﻷﺴﻘﻑ ﺍﻟﺘﻲ ﺘﻭﺯﻉ ﺤﻤﻠﻬﺎ ﻓﻲ ﺍﺘﺠﺎﻩ ﺍﻟﻭﺍﺤﺩ-:
One-Direction Distribution of Load
ﻭﻫﻲ ﺍﻷﺴﻘﻑ ﺍﻟﺘﻲ ﻴﻜﻭﻥ ﻁﻭﻟﻬﺎ ﻓﻲ ﺍﻻﺘﺠﺎﻩ ﺍﻟﻁﻭﻴل ﻤﻥ ﺍﻟﺴﻘﻑ ﺃﻜﺒﺭ ﻤﻥ ﺃﻭ ﻴﺴﺎﻭﻱ ﻀﻌﻑ ﺍﻟﻁﻭل ﻓﻲ ﺍﻻﺘﺠﺎﻩ
                                                                               ﺍﻟﻘﺼﻴﺭ .
                                                                                             ﺣﻴا ﺚٔ ن -:
                                                                                              ٔ /ب < 2
                                                         ٔ -ﻳﻣﺜ ﻃﻮ لاﻠﺳ ﻗ ﻒﻓ ﻲا ﻻﺗ ﺎﻩ اﻠ ﻄ ﻳ ﻞ.
                                                        ب-ﻳﻣﺜ ﻃﻮ لاﻠﺳ ﻗ ﻒ ﻓ ﻲ ا ﻻﺗ ﺎﻩ اﻠﻗ ﻴ ﺮ.
               ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
              Skeleton Systems
                                      ﺏ-ﺍﻷﺴﻘﻑ ﺍﻟﺘﻲ ﺘﻭﺯﻉ ﺤﻤﻠﻬﺎ ﻓﻲ ﺍﺘﺠﺎﻫﻴﻥ-:
ﺃDistribution of Load Two-Directions -
                                                • ﻭﻫﻲ ﺍﻷﺴﻘﻑ ﺍﻟﺘﻲ ﻴﻜﻭﻥ ﻁﻭﻟﻬﺎ
                                                ﻓﻲ ﺍﻻﺘﺠﺎﻩ ﺍﻟﻁﻭﻴل ﻤﻥ ﺍﻟﺒﻼﻁﺔ
                                                ﺃﻗل ﻤﻥ ﻀـﻌﻑ ﺍﻟﻁـﻭل ﻓـﻲ
                                                            ﺍﻻﺘﺠﺎﻩ ﺍﻟﻘﺼﻴﺭ .
                                                • ﻓﻲ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻷﺴﻘﻑ ﻴﻨﺘﻘل
                                                ﺍﻟﺤﻤل ﻓﻲ ﺍﺘﺠـﺎﻫﻴﻥ ﻭﻴﻜـﻭﻥ
                                                ﺍﻟﺤﺩﻴﺩ ﻤﻭﺯﻉ ﻋﻠﻰ ﺍﻻﺘﺠـﺎﻫﻴﻥ
                                                ﺒﺤﻴﺙ ﻴﻜﻭﻥ ﺍﻟﺤﺩﻴـﺩ ﺍﻟﺭﺌﻴﺴـﻲ
                                                )ﺍﻟﻔﺭﺵ( ﻓﻲ ﺍﻻﺘﺠﺎﻩ ﺍﻟﻘﺼـﻴﺭ
                                                ،ﻭﺍﻟﺤﺩﻴﺩ ﺍﻟﺜﺎﻨﻭﻱ )ﺍﻟﻐﻁﺎﺀ( ﻓـﻲ
                                                              ﺍﻻﺘﺠﺎﻩ ﺍﻟﻁﻭﻴل.
           ﺤﻴﺙ ﺃﻥ  :ﺃ/ﺏ > 2
                 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                Skeleton Systems
 Hollow-Block Flat Slab                      -2ﺃﺴﻘﻑ ﺍﻟﻬﻭﺭﺩﻱ " ﺍﻟﺒﻼﻁﺎﺕ ﺍﻟﻤﻔﺭﻏﺔ" -:
  ﺘﻌﺭﻑ ﺃﺴﻘﻑ ﺍﻟﻬﻭﺭﺩﻱ ﺒﺄﻨﻬﺎ ﺍﻟﺴﻘﻭﻑ ﺍﻟﻤﺴﺘﻭﻴﺔ ﺍﻟﺘﻲ ﺘﺭﺘﻜﺯ ﻋﻠﻰ ﻜﻤﺭﺍﺕ ﺴـﺎﻗﻁﺔ ﺃﻭ ﻤﺨﻔﻴـﺔ ﺃﻭ
  ﻋﻠﻰ ﺤﻭﺍﺌﻁ ،ﻭﺍﻟﺘﻲ ﻴﺘﻜﻭﻥ ﻫﻴﻜﻠﻬﺎ ﻤﻥ ﺃﻋﺼﺎﺏ ﻤﺘﻭﺍﺯﻴﺔ ،ﺘﻤﻸ ﺍﻟﻔﺭﺍﻏﺎﺕ ﻓﻴﻤﺎ ﺒﻴﻨﻬﺎ ﺒـﺎﻟﻁﻭﺏ
                                                   ﺍﻟﻤﻔﺭﻍ ﺒﻐﻴﺔ ﺍﻟﻌﺯل ﻭﺘﺨﻔﻴﻑ ﺍﻟﻭﺯﻥ.
      * ﻤﻤﻴﺯﺍﺕ ﺃﺴﻘﻑ ﺍﻟﻬﻭﺭﺩﻱAdvantages of Hollow-Block Flat Slab -:
    ﻴﻌﺘﺒﺭ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻷﺴﻘﻑ ﻤﻥ ﺃﻜﺜﺭ ﺃﻨﻭﺍﻉ ﺍﻷﺴﻘﻑ ﺍﻨﺘﺸﺎﺭﺍﹰ ﻨﻅﺭﺍﹰ ﻟﻤﻤﻴﺯﺍﺘﻪ ﺍﻟﻤﺘﻌﺩﺩﺓ ﻭﻫﻲ:
                   (1ﻋﺎﺯل ﻟﻠﺤﺭﺍﺭﺓ ﻭﺍﻟﺼﻭﺕ  ،ﻭﻟﺫﻟﻙ ﻓﻬﻲ ﺘﻔﻀل ﻓﻲ ﺍﻟﻤﻨﺎﻁﻕ ﺍﻟﺤﺎﺭﺓ.
        (2ﺘﻌﻁﻲ ﺃﺴﻘﻑ ﺒﻼ ﺴﻘﻭﻁ ﻟﻠﻜﻤﺭﺍﺕ ،ﻟﺫﺍ ﻴﻜﺜﺭ ﺍﺴﺘﺨﺩﺍﻤﻬﺎ ﻓﻲ ﺍﻟﻤﺤﻼﺕ ﺍﻟﺘﺠﺎﺭﻴﺔ
                                ﻭﺍﻟﻤﻌﺎﺭﺽ ﻭﻤﺩﺍﺨل ﺍﻟﻌﻤﺎﺭﺍﺕ ﻭﺍﻟﻭﺯﺍﺭﺍﺕ ﻭﻏﻴﺭﻫﺎ.
 (3ﻴﻤﻜﻥ ﺍﻟﺘﺤﻜﻡ ﺒﺼﻔﺔ ﻤﺴﺘﻤﺭﺓ ﺒﺎﻟﺘﻘﺴﻴﻡ ﺍﻟﺩﺍﺨﻠﻲ ﻟﻠﻔﺭﺍﻏﺎﺕ ،ﻭﺫﻟﻙ ﻹﻤﻜﺎﻨﻴﺔ ﺘﻐﻴﻴﺭ ﺃﻤﺎﻜﻥ
                                      ﺍﻟﺤﻭﺍﺌﻁ ﻨﺘﻴﺠﺔ ﻋﺩﻡ ﻭﺠﻭﺩ ﺴﻘﻭﻁ ﻟﻠﻜﻤﺭﺍﺕ.
       (4ﺍﻟﺘﻘﻠﻴل ﻤﻥ ﻭﺯﻥ ﺍﻷﺴﻘﻑ  ،ﻭﺒﺎﻟﺘﺎﻟﻲ ﺘﻘﻠﻴل ﺍﻷﺤﻤﺎل ﻋﻠﻰ ﺍﻷﻋﻤﺩﺓ ،ﻭﺃﻴﻀﺎﹰ ﻋﻠﻰ
                                       ﺍﻷﺴﺎﺴﺎﺕ ﻤﻤﺎ ﻴﻭﻓﹼﺭ ﻓﻲ ﺘﻜﺎﻟﻴﻑ ﺍﻟﻤﺸﺭﻭﻉ.
           (5ﻴﻔﻀل ﺍﺴﺘﺨﺩﺍﻡ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻷﺴﻘﻑ ﻓﻲ ﺍﻟﻔﺭﺍﻏﺎﺕ ﺫﺍﺕ ﺍﻟﺒﺤﻭﺭ ﺍﻟﻜﺒﻴﺭﺓ.
           ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
          Skeleton Systems
Types of Hollow-Block Flat Slab                        * ﺃﻨﻭﺍﻉ ﺃﺴﻘﻑ ﺍﻟﻬﻭﺭﺩﻱ -:
           ...ﻴﻨﻘﺴﻡ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻷﺴﻘﻑ ﺤﺴﺏ ﻁﺭﻴﻘﺔ ﺭﺹ ﺍﻟﺒﻠﻭﻜﺎﺕ ﺇﻟﻰ ﻗﺴﻤﻴﻥ -:
                                     ﺃ -ﺍﻷﺴﻘﻑ ﺍﻟﻬﻭﺭﺩﻱ ﺫﺍﺕ ﺍﻻﺘﺠﺎﻩ ﺍﻟﻭﺍﺤﺩ-:
                           Distribution of Load One-Directions
                       ﺤﻴﺙ ﺃﻥ ) - :ﺏ( ﺃﻗل ﻤﻥ  5ﻤﺘﺭ .
                        -ﺍﻷﻋﺼﺎﺏ ﻓﻲ ﺍﺘﺠﺎﻩ
                                  ﻭﺍﺤﺩ .
               ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
              Skeleton Systems
                                                    ﺏ -ﺍﻷﺴﻘﻑ ﺍﻟﻬﻭﺭﺩﻱ ﺫﺍﺕ ﺍﻻﺘﺠﺎﻫﻴﻥ:
Distribution of Load Two-Directions
                         ﺤﻴﺙ ﺃﻥ ) - :ﺏ( ﺃﻗل ﻤﻥ  7ﻤﺘﺭ .
                        -ﺍﻷﻋﺼﺎﺏ ﻓﻲ ﺍﺘﺠﺎﻫﻴﻥ .
               ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
              Skeleton Systems
                          Flat Slabs              -3ﺍﻷﺴﻘﻑ ﺍﻟﻼﻜﻤﺭﻴﺔ )ﺍﻟﻤﺴﺘﻭﻴﺔ( -:
ﻫﻲ ﺍﻷﺴﻘﻑ ﺫﺍﺕ ﺍﻟﺴﻤﻙ ﺍﻟﺜﺎﺒﺕ ﻭﺘﺭﺘﻜﺯ ﻤﺒﺎﺸﺭﺓ ﻋﻠﻰ ﺍﻷﻋﻤﺩﺓ ﺒﺩﻭﻥ ﻜﻤﺭﺍﺕ ،ﻭﻗﺩ ﺘﺼـل ﺃﻁـﻭﺍل
     ﺒﺤﻭﺭﻫﺎ ﺇﻟﻰ 10ﻡ ،ﻭﻓﻴﻬﺎ ﻴﻨﺘﻘل ﺍﻟﺤﻤل ﻤﺒﺎﺸﺭﺓ ﺇﻟﻰ ﺍﻷﻋﻤﺩﺓ ﺜﻡ ﺇﻟﻰ ﺍﻟﻘﻭﺍﻋﺩ ﺜﻡ ﺇﻟﻰ ﺍﻟﺘﺭﺒﺔ.
                      ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                     Skeleton Systems
                            Beam             ﺜﺎﻨﻴﺎﹰ  /ﺍﻟﻜﻤــــﺭﺓ
                                                                     ﺘﻌﺭﻴﻑ Definition -:
ﺍﻟﻜﻤﺭﺍﺕ ﺍﻟﺭﺌﻴﺴﻴﺔ ﻤﻥ ﺍﻟﺨﺸﺏ ﺃﻭ ﺍﻟﺤﺩﻴﺩ ﺃﻭ ﺍﻟﺨﺭﺴﺎﻨﺔ ﻤﻌﺭﻀﺔ ﻟﻌﺯﻭﻡ ﺇﻨﺤﻨﺎﺀ ﻜﺒﻴﺭﺓ ﻭﺨﺎﺼﺔ ﺒﺎﻟﻨﺴﺒﺔ ﻟﻠﺒﺤﻭﺭ
 ﺍﻟﻭﺍﺴﻌﺔ ،ﻤﻤﺎ ﻴﺘﻁﻠﺏ ﻋﻤل ﻫﺫﻩ ﺍﻟﻜﻤﺭﺍﺕ ﺒﺄﻋﻤﺎﻕ ﻜﺒﻴﺭﺓ ﺇﻻ ﻓﻲ ﺤﺎﻟﺔ ﺍﺴﺘﻌﻤﺎل ﻜﻤﺭﺍﺕ ﺒﺈﺠﻬﺎﺩﺍﺕ ﺴﺎﺒﻘﺔ.
                                                     Main     * ﺍﻟﻭﻅﺎﺌﻑ ﺍﻟﺭﺌﻴﺴﻴﺔ ﻟﻠﻜﻤـﺭﺍﺕ-:
                                                              Functions of Beams
                                                     ﺃ -ﺍﻟﻜﻤﺭﺍﺕ ﺘﺤﺕ ﺍﻟﺤﻭﺍﺌﻁ ﺘﻘﻭﻡ ﺒﺤﻤل
                                                     ﺍﻟﺤﺎﺌﻁ ﻋﻠﻴﻬـﺎ ﺘﻔﺎﺩﻴـﺎﹰ ﻟﺘﺤﻤﻴﻠـﻪ
                                                     ﻤﺒﺎﺸﺭﺓ ﺇﻟﻰ ﺍﻟﺒﻼﻁـﺔ ﺍﻟﺨﺭﺴـﺎﻨﻴﺔ
                                                     ﺍﻟﻀﻌﻴﻔﺔ ،ﻭﻓﻲ ﻫﺫﻩ ﺍﻟﺤﺎﻟﺔ ﻴﺠﺏ ﺃﻥ
                                                     ﺘﻜﻭﻥ ﺍﻟﻜﻤﺭﺍﺕ ﺒﺴﻤﻙ ﻴﺴـﺎﻭﻱ ﺃﻭ
                                                                ﺃﻜﺒﺭ ﻤﻥ ﺴﻤﻙ ﺍﻟﺤﺎﺌﻁ .
                     ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                    Skeleton Systems
ﺏ -ﺍﻟﻜﻤﺭﺍﺕ ﺃﻋﻠﻰ ﺍﻟﺤﻭﺍﺌﻁ ﺘﻌﻤل ﻜﻌﺘﺏ ﻓﻭﻕ ﺍﻟﻔﺘﺤﺎﺕ ،ﻭﺴﻤﻙ ﺍﻟﻜﻤﺭﺍﺕ ﻓﻲ ﻫﺫﻩ ﺍﻟﺤﺎﻟﺔ ﻴﻜﻭﻥ ﻤﺴﺎﻭﻴﺎﹰ
                                                            ﺃﻭ ﺃﻜﺒﺭ ﻤﻥ ﺴﻤﻙ ﺍﻟﺤﻭﺍﺌﻁ.
                   ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                  Skeleton Systems
ﺝ -ﺍﻟﻜﻤﺭﺍﺕ ﺘﻘﺴﻡ ﺍﻷﺴﻘﻑ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﺫﺍﺕ ﺍﻟﻤﺴﺎﺤﺎﺕ ﺍﻟﻭﺍﺴﻌﺔ ﺇﻟﻰ ﺃﺠﺯﺍﺀ ﻜل ﻤﻨﻬـﺎ ﺒﻤﺴـﺎﺤﺔ ﻴﻤﻜـﻥ
                                                  ﺘﺼﻤﻴﻤﻬﺎ ﻟﺘﺼﺒﺢ ﺫﺍﺕ ﺘﺴﻠﻴﺢ ﺍﻗﺘﺼﺎﺩﻱ.
                   ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                  Skeleton Systems
ﺩ -ﺘﺴﺘﺨﺩﻡ ﺍﻟﻜﻤﺭﺍﺕ ﻟﺘﺭﺒﻴﻁ ﺍﻷﻋﻤﺩﺓ ﻭﺫﻟﻙ ﺒﻐﺭﺽ ﺘﻭﺯﻴﻊ ﺃﻓﻀل ﻟﻌﺯﻭﻡ ﺍﻻﻨﺤﻨﺎﺀ ﻓﻲ ﺍﻟﻜﻤـﺭﺍﺕ ﺒﺎﻹﻀـﺎﻓﺔ
                                                       ﺇﻟﻰ ﺘﻘﻠﻴل ﻁﻭل ﺍﻹﻨﺒﻌﺎﺝ ﻟﻸﻋﻤﺩﺓ.
                     ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                    Skeleton Systems
                    Types of R.C. Beams                         * ﺃﻨﻭﺍﻉ ﺍﻟﻜﻤﺭﺍﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ -:
                                       ﻴﻭﺠﺩ ﻋﺩﺓ ﺃﻨﻭﺍﻉ ﻤﻥ ﺍﻟﻜﻤﺭﺍﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﻥ ﺃﺸﻬﺭﻫﺎ ﻤﺎ ﻴﻠﻲ:
ﺃ -ﺍﻟﻜﻤﺭﺓ ﺍﻟﻤﺩﻓﻭﻨﺔ (Hidden B.) :ﻭﻫﻲ ﺍﻟﻜﻤﺭﺓ ﺍﻟﻤﺨﻔﻴﺔ ﺩﺍﺨل ﺴﻤﻙ ﺍﻟﺒﻼﻁﺔ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﺤﻴﺙ ﺘﻅﻬﺭ
                                                         ﻓﻲ ﺍﻟﻘﻁﺎﻉ ﻋﺭﻀﻬﺎ ﺃﻜﺒﺭ ﻤﻥ ﻋﻤﻘﻬﺎ.
                    ﺏ -ﺍﻟﻜﻤﺭﺓ ﺍﻟﺴﺎﻗﻁﺔ (Drop B.) :ﻭﻫﻲ ﺍﻟﻜﻤﺭﺓ ﺍﻟﺴﺎﻗﻁﺔ ﺃﺴﻔل ﺍﻟﺒﻼﻁﺔ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ.
               ﺝ -ﺍﻟﻜﻤﺭﺓ ﺍﻟﻤﻘﻠﻭﺒﺔ (Inverted B.) :ﻭﻫﻲ ﺍﻟﻜﻤﺭﺓ ﺍﻟﺘﻲ ﺘﻘﻊ ﺃﻋﻠﻰ ﺍﻟﺒﻼﻁﺔ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ.
ﺩ -ﺍﻟﻜﻤﺭﺓ ﺍﻟﺭﺌﻴﺴﻴﺔ (Girder B.) :ﻭﻫﻲ ﺍﻟﻜﻤﺭﺓ ﺍﻟﺘﻲ ﺘﺴﺘﻌﻤل ﺇﻨﺸﺎﺌﻴﺎﹰ ﺒﻐﺭﺽ ﺘﻘﺴﻴﻡ ﺍﻟﺒﺤﻭﺭ ﺍﻟﻭﺍﺴﻌﺔ
ﻭﺍﻟﻜﺒﻴﺭﺓ ﻟﻸﺴﻘﻑ ﺍﻷﻓﻘﻴﺔ  ،ﺒﺤﻴﺙ ﺘﻜﻭﻥ ﺍﻟﻜﻤﺭﺍﺕ ﺍﻟﺭﺌﻴﺴﻴﺔ ﻓﻲ ﺍﺘﺠﺎﻩ ﺍﻟﺒﺤﺭ ﺍﻟﻘﺼﻴﺭ ﺜﻡ ﺘﺤﻤل ﻋﻠﻴﻬﺎ
                                                              ﺍﻟﻜﻤﺭﺍﺕ ﺍﻟﺜﺎﻨﻭﻴﺔ ﺒﺎﻟﺘﻌﺎﻤﺩ ﻋﻠﻴﻬﺎ.
ﻩ -ﻜﻤﺭﺓ ﻓﻴﺭﺍﻨﺩﻴل (B. Vierendeel) :ﻭﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻟﻜﻤﺭﺍﺕ ﻴﺴﺘﺨﺩﻡ ﻋﻨﺩ ﺍﻟﺤﺎﺠﺔ ﺇﻟـﻰ ﺇﻴﺠـﺎﺩ
ﻓﺭﺍﻏﺎﺕ ﺒﺒﺤﻭﺭ ﻭﺍﺴﻌﺔ ﺠﺩﺍﹰ ﻜﺼﺎﻻﺕ ﺍﻻﺤﺘﻔﺎﻻﺕ ﻓﻲ ﺍﻟﺩﻭﺭ ﺍﻟﺴﻔﻠﻲ ﻓﻲ ﺍﻟﻔﻨﺎﺩﻕ ﺜﻡ ﻴﺤﻤل ﻓﻭﻕ ﺍﻟﻜﻤﺭﺓ
                                                     ﻓﺭﺍﻏﺎﺕ ﺒﺒﺤﻭﺭ ﻗﺼﻴﺭﺓ ﻜﺎﻟﻐﺭﻑ ﺒﺎﻟﻔﻨﺩﻕ.
ﻭ -ﻜﻤﺭﺓ ﻻﺘﻴﺱ (Lattice B.) :ﺘﺴﺘﻌﻤل ﻫﺫﻩ ﺍﻟﻜﻤﺭﺓ ﻟﻨﻔﺱ ﺍﻟﻐﺭﺽ ﻤﻥ ﻜﻤـﺭﺓ ﻓﻴﺭﺍﻨـﺩﻴل ﻭﻟﻜـﻥ
                                                                   ﺘﺨﺘﻠﻑ ﻋﻨﻬﺎ ﻓﻲ ﺍﻟﺘﺼﻤﻴﻡ .
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
Skeleton Systems
                       ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                      Skeleton Systems
                              Column           ﺜﺎﻟﺜﺎﹰ /ﺍﻟﻌﺎﻤـــﻭﺩ
                                                                            ﺘﻌﺭﻴﻑ Definition -:
ﺍﻷﻋﻤﺩﺓ ﻫﻲ ﺍﻟﻌﻨﺎﺼﺭ ﺍﻹﻨﺸﺎﺌﻴﺔ ﺍﻟﺭﺃﺴﻴﺔ ﺍﻟﺘﻲ ﺘﺘﻠﻘﻰ ﻋﺎﺩﺓ ﺍﻟﻘﻭﻯ ﺍﻟﺸﺎﻗﻭﻟﻴﺔ ﺒﺎﺘﺠﺎﻩ ﻤﺤﻭﺭﻫﺎ ﺍﻟﻁﻭﻟﻲ ﻭﺍﻟﻨﺎﺘﺠـﺔ
ﻋﻥ ﺃﺤﻤﺎل ﺍﻟﻜﻤﺭﺍﺕ ﺍﻷﻓﻘﻴﺔ ﻭﺃﺤﻤﺎل ﺍﻷﺴﻘﻑ ﻓﻭﻗﻬﺎ ،ﻜﻤﺎ ﺃﻨﻬﺎ ﺘﺘﻌﺭﺽ ﻟﺘﺄﺜﻴﺭﺍﺕ ﺍﻟﻘﻭﻯ ﺍﻟﺠﺎﻨﺒﻴﺔ ﺒﺴـﺒﺏ
                                   ﺍﻟﺭﻴﺎﺡ ﻭﺍﻟﺯﻻﺯل ،ﻭﻴﻜﻭﻥ ﻤﻘﻁﻌﻬﺎ ﺍﻷﻓﻘﻲ ﻋﺎﺩﺓ ﻤﻀﻠﻌﺎﹰ ﺃﻭ ﺩﺍﺌﺭﻴﺎﹰ.
                                                             Types of      * ﺃﺸﻜﺎل ﺍﻷﻋﻤﺩﺓ -:
                                                                              Columns
                                                                 ﻟﻸﻋﻤﺩﺓ ﻋﺩﺓ ﺃﺸﻜﺎل ﻤﻥ ﺃﺸﻬﺭﻫﺎ:
                      ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                     Skeleton Systems
                          ﺭﺍﺒﻌﺎﹰ /ﺍﻷﺴﺎﺴﺎﺕ Foundations
                         )ﺍﻟﻘﻭﺍﻋﺩ  ،ﺍﻷﺤﺯﻤﺔ ﺍﻷﺭﻀﻴﺔ "ﺍﻟﻤﻴﺩﺍﺕ "(
                                                                   Footings        ﺍﻟﻘﻭﺍﻋﺩ -:
 ﺘﻘﻭﻡ ﺒﺤﻤل ﺍﻷﻋﻤﺩﺓ ﺒﺠﻤﻴﻊ ﺃﺤﻤﺎﻟﻬﺎ ﻤﻥ ﺃﺴﻘﻑ ﻭﺤﻭﺍﺌﻁ ﻟﻠﻤﺒﻨﻰ ﻜﻠﻪ ﻭﻨﻘﻠﻬﺎ ﺇﻟﻰ ﺍﻟﺘﺭﺒﺔ ﻭﺘﻜﻭﻥ ﻋﺎﺩﺓ ﻤﺩﻓﻭﻨﺔ
                                                                             ﺘﺤﺕ ﺍﻷﺭﺽ .
 ...ﻟﻤﺯﻴﺩ ﻤﻥ ﺍﻟﺘﻔﺼﻴل  -ﺴﻴﺘﻡ ﺸﺭﺡ ﺍﻷﺴﺎﺴﺎﺕ "ﺍﻟﻘﻭﺍﻋﺩ" ﺒﺠﻤﻴﻊ ﺃﻨﻭﺍﻋﻬـﺎ ﺍﻟﺴـﻁﺤﻴﺔ ﻭﺍﻟﻌﻤﻴﻘـﺔ ﻻﺤﻘـﺎﹰ
                                                                                ﺒﻤﺸﻴﺌﺔ ﺍﷲ.
                                     Ground Beams               ﺍﻷﺤﺯﻤﺔ ﺍﻷﺭﻀﻴﺔ " ﺍﻟﻤﻴﺩﺍﺕ" -:
   ﻫﻲ ﺍﻟﻜﻤﺭﺍﺕ ﺍﻷﻓﻘﻴﺔ ﺍﻟﺘﻲ ﺘﺭﺒﻁ ﺒﻴﻥ ﺭﻗﺎﺏ ﺍﻷﻋﻤﺩﺓ ﺃﻭ ﺍﻟﻘﻭﺍﻋﺩ  ،ﻭﻗﺩ ﺘﻜﻭﻥ ﻤﺤﻤﻠﺔ ﻋﻠﻰ ﺍﻟﻘﻭﺍﻋـﺩ ﺃﻭ
   ﻓﻲ ﻤﺴﺘﻭﺍﻫﺎ ﺃﻭﻤﻌﻠﹼﻘﺔ  ،ﻭﻤﻥ ﻓﻭﺍﺌﺩﻫﺎ ) :ﺭﺒﻁ ﺍﻟﻘﻭﺍﻋﺩ ﻭﺭﻗﺎﺏ ﺍﻷﻋﻤﺩﺓ ﻤﻌﺎﹰ ،ﺤﻤل ﺤﻭﺍﺌﻁ ﺍﻟـﺩﻭﺭ
                                           ﺍﻷﺭﻀﻲ ،ﻤﻘﺎﻭﻤﺔ ﺃﻱ ﻫﺒﻭﻁ ﻨﺴﺒﻲ ﻴﺤﺩﺙ ﻟﻠﻘﻭﺍﻋﺩ( .
                ..ﻟﻤﺯﻴﺩ ﻤﻥ ﺍﻟﺘﻔﺼﻴل  -ﺴﻴﺘﻡ ﺸﺭﺡ ﺍﻷﺤﺯﻤﺔ ﺍﻷﺭﻀﻴﺔ "ﺍﻟﻤﻴﺩﺍﺕ " ﻻﺤﻘﺎﹰ ﺒﻤﺸﻴﺌﺔ ﺍﷲ.
                                Walls          ﺨﺎﻤﺴﺎﹰ /ﺍﻟﺤﻭﺍﺌﻁ
    ﺍﻟﺤﻭﺍﺌﻁ ﻓﻲ ﺍﻟﻤﺒﺎﻨﻲ ﺍﻟﻬﻴﻜﻠﻴﺔ ﻋﺒﺎﺭﺓ ﻋﻥ ﺴﺘﺎﺌﺭ ﺃﻭ ﻓﻭﺍﺼل ﺒﻴﻥ ﺍﻟﻐﺭﻑ  ،ﻭﺃﻴﻀﺎﹰ ﻟﺤﻤﺎﻴﺔ ﺍﻟﺴﻜﹼﺎﻥ ﻤـﻥ
                                          ﺍﻟﻌﻭﺍﻤل ﻭﺍﻟﺘﻘﻠﺒﺎﺕ ﺍﻟﺠﻭﻴﺔ ﻭﻟﻴﺱ ﻟﻬﺎ ﺃﻱ ﺩﻭﺭ ﺇﻨﺸﺎﺌﻲ.
       ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
      Skeleton Systems
Type of System Frame                     * ﺃﻨﻭﺍﻉ ﺍﻟﻨﻅﻡ ﺍﻹﻁﺎﺭﻴﺔ" -:
                                          ﻨﻅﻡ ﺍﻟﻤﻨﺸﺎﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ " ﻨﻅﺎﻡ ﺍﻹﻁﺎﺭ ﺍﻟﺤﺎﻤل"
              Portal Frame System                   ﻨﻅﺎﻡ ﺍﻹﻁﺎﺭ ﺍﻟﺒﺎﺒﻲ )ﺍﻟﺤﺎﻤل(-:   .1
                                ﻴﻤﻜﻥ ﺃﻥ ﻴﻜﻭﻥ ﻤﻥ ﺍﻟﺨﺭﺴﺎﻨﺔ ﺃﻭ ﺍﻟﺤﺩﻴﺩ ﺃﻭ ﺍﻟﺨﺸﺏ.       (1
                                            ﻴﺘﻜﻭﻥ ﻫﺫﺍ ﺍﻹﻁﺎﺭ ﻤﻥ ﻗﺎﺌﻤﻴﻥ ﻭﺭﺍﻓﺩﻴﻥ.     (2
    ﺍﻟﺭﻭﺍﻓﺩ ﺘﺘﻤﻴﺯ ﺒﺸﺩﺓ ﻤﻘﺎﻭﻤﺘﻬﺎ ﻟﻺﻨﺤﻨﺎﺀ ﻭﻀﻐﻁ ﺍﻟﻘﻭﻯ ﺍﻟﺠﺎﻨﺒﻴﺔ ﺍﻟﻨﺎﺘﺞ ﻋﻥ ﺍﻟﺭﻴﺎﺡ.      (3
                                     ﻭﻤﻥ ﺍﻷﺸﻜﺎل ﺍﻟﻤﺸﻬﻭﺭﺓ ﻟﻺﻁﺎﺭ ﺍﻟﺒﺎﺒﻲ ﺍﻟﺘﺎﻟﻲ:      (4
            Symmetrical Portal Frame                    ﺇﻁﺎﺭ ﺒﺎﺒﻲ )ﺤﺎﻤل( ﻤﺘﻤﺎﺜل    (5
      ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
     Skeleton Systems
North Light Portal Frame     ﺇﻁﺎﺭ ﺒﺎﺒﻲ )ﺤﺎﻤل(ﺇﻀﺎﺀﺓ ﺸﻤﺎﻟﻴﺔ
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
Skeleton Systems
            ﺇﻁﺎﺭ ﺒﺎﺒﻲ )ﺤﺎﻤل( ﻤﺴﻁﺢ ﺒﻪ ﻤﺭﻗﺎﺏ )ﺸﺨﺸﻴﺨﺔ( ﺇﻀﺎﺀﺓ ﻤﻥ ﺍﻟﺴﻘﻑ
              Flat Portal Frame With Monitor Roof Lights
                      ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                     Skeleton Systems
           Three Hinged Frame System          .2ﻨﻅﺎﻡ ﺍﻹﻁﺎﺭ ﺫﻭ ﺍﻟﺜﻼﺙ ﻤﻔﺎﺼل -:
                                • ﻴﻤﻜﻥ ﺇﻨﺸﺎﺀﻩ ﻤﻥ ﺍﻟﺨﺭﺴﺎﻨﺔ ﺃﻭ ﺍﻟﺤﺩﻴﺩ ﺃﻭ ﺍﻟﺨﺸﺏ.
                                  • ﻫﺫﺍ ﺍﻹﻁﺎﺭ ﻤﻔﺼﻠﻲ ﻋﻨﺩ ﻗﺎﻋﺩﺘﻪ ﻭﻓﻲ ﻤﻨﺘﺼﻔﻪ
                Vierendeel Frame System                             .3ﻨﻅﺎﻡ ﺇﻁﺎﺭ ﺍﻟﻔﻴﺭﺍﻨﺩﻴل -:
                                           • ﻴﻤﻜﻥ ﺇﻨﺸﺎﺀﻩ ﻤﻥ ﺍﻟﺨﺭﺴﺎﻨﺔ ﺃﻭ ﺍﻟﺤﺩﻴﺩ ﺃﻭ ﺍﻟﺨﺸﺏ.
                                                • ﺃﻁﻠﻕ ﻋﻠﻴﻪ ﻫﺫﺍ ﺍﻻﺴﻡ ﻟﻭﺠﻭﺩ ﻜﻤﺭﺓ ﻓﻴﺭﺍﻨﺩﻴل.
• ﻴﺴﺘﺨﺩﻡ ﻫﺫﺍ ﺍﻟﻨﻅﺎﻡ ﻋﻨﺩ ﺘﺸﻴﻴﺩ ﺃﺴﻘﻑ ﺍﻟﻤﺒﺎﻨﻲ ﺫﺍﺕ ﺍﻟﺒﺤﻭﺭ ﺍﻟﻭﺍﺴﻌﺔ ﻭﻓﻭﻗﻬﺎ ﻤﻨﺸﺂﺕ ﺫﺍﺕ ﺒﺤﻭﺭ ﻗﺼﻴﺭﺓ
                                                   )ﻤﺜﻼﹰ ﻋﻤل ﺼﺎﻟﺔ ﻜﺒﻴﺭﺓ ﻭﻓﻭﻗﻬﺎ ﺤﺠﺭﺍﺕ(.
              Lattice Frame System                                 .4ﻨﻅﺎﻡ ﺍﻹﻁﺎﺭ ﺍﻟﻼﺘﻴﺱ-:
                                                      (1ﻴﺴﺘﺨﺩﻡ ﺒﻪ ﺍﻟﻤﻭﺍﺩ ﺍﻹﻨﺸﺎﺌﻴﺔ ﺍﻟﺴﺎﺒﻘﺔ.
                                                  (2ﺃﻁﻠﻕ ﻋﻠﻴﻪ ﻫﺫﺍ ﺍﻻﺴﻡ ﻟﻭﺠﻭﺩ ﻜﻤﺭﺓ ﻻﺘﻴﺱ
                      Modern Arch System                      .5ﻨﻅﺎﻡ ﺍﻟﻌﻘﺩ ﺍﻟﺤﺩﻴﺙ -:
                                       (1ﻴﻤﻜﻥ ﺇﻨﺸﺎﺀﻩ ﺒﺎﻟﺨﺭﺴﺎﻨﺔ ﺃﻭ ﺍﻟﺤﺩﻴﺩ ﺃﻭ ﺍﻟﺨﺸﺏ.
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
Skeleton Systems
                      ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                     Skeleton Systems
                         ﻨﻅﻡ ﺍﻟﻤﻨﺸﺎﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ " ﻨﻅﺎﻡ ﺍﻟﺠﻤﺎﻟﻭﻥ “
                                       Trusses
                                                              ﺘﻤﻬﻴﺩIntroduction -:
 ...ﻗﺩ ﻴﺘﺴﺎﺀل ﺍﻟﺒﻌﺽ ﻤﺎﺩﺍﻡ ﻫﻨﺎﻙ ﻨﻅﺎﻡ ﺍﻟـ  ، Frameﻓﻠﻤﺎﺫﺍ ﻨﻠﺠﺄ ﻟﻠﺠﻤﺎﻟﻭﻨـﺎﺕ ) ،(Trussﻓﻨﻘـﻭل ﺃﻥ
                                                    ﻫﻨﺎﻙ ﻋﺩﺓ ﻤﻤﻴﺯﺍﺕ ﻟﻠﺠﻤﺎﻟﻭﻨﺎﺕ ﻤﻨﻬﺎ-:
   ﻴﻤﻜﻥ ﻤﻥ ﺨﻼل ﺍﻟـ  Trussﻋﻤل ﻤﺴﺎﻓﺎﺕ ) 60 -50ﻤﺘﺭ (  ،ﺤﻴﺙ ﻻ ﻴﻤﻜـﻥ ﻋﻤﻠﻬـﺎ ﺒﺎﻟــ               (1
                                                                               Frame
               ﺘﻨﻔﻴﺫ ﺍﻟـ  Trussﺃﺴﻬل ﻭﺴﻬﻭﻟﺔ ﺍﻟﻨﻘل ﻤﻤﻜﻨﺔ ﺒﻴﻨﻤﺎ ﻻ ﻴﻤﻜﻥ ﻨﻘل ﺍﻟـ . Frame        (2
   ﺃﻭﺯﺍﻥ ﻗﻠﻴﻠﺔ ﻋﻠﻰ ﺍﻷﺴﺎﺴﺎﺕ )ﻋﻠﻤﺎﹰ ﺒﺄﻥ ﺠﻤﻴﻊ ﺍﻟـ  Jointﺩﺍﺨل ﺍﻟـ  Trussﻫـﻲ (Hinge             (3
   ﻭﻴﺘﻡ ﺘﺜﺒﻴﺕ ﺍﻟـ  Trussﻓﻲ ﺍﻷﺭﺽ ﻋﻥ ﻁﺭﻴﻕ ﻗﺎﻋﺩﺓ ﺨﺭﺴﺎﻨﺔ ﻴﺨﺭﺝ ﻤﻨﻬﺎ ﺒﺭﺍﻏﻲ ﻴﺜﺒـﺕ ﺒﻬـﺎ
                                                                           ﺍﻟـ . Truss
   ﻭﻴﺘﻜﻭﻥ ﻨﻅﺎﻡ ﺍﻟﺠﻤﺎﻟﻭﻥ ﻤﻥ ﺃﺯﻭﺍﺝ ﻤﻥ ﺍﻟﻌﻭﺍﺭﺽ ﺘﻭﻀﻊ ﺃﻋﻼﻩ  ،ﻭﻴﺘﻡ ﺭﺒﻁﻬﺎ ﺒﻭﺍﺴﻁﺔ ﺩﻋﺎﻤـﺎﺕ         ...
   ﻭﺸﺩﺍﺩﺍﺕ ﻤﻜﻭﻨﺔ ﻤﻊ ﺒﻌﻀﻬﺎ ﻤﺜﻠﺜﺎﺕ ﺃﻭ ﻤﺴﺘﻁﻴﻼﺕ ﺘﻭﺼل ﻤﻌﺎﹰ ﺒﻭﺍﺴﻁﺔ ﻋﻘﺩ )ﻭﺼﻼﺕ ﻤﺭﻨﺔ( ﻭﻴﺘﻡ
   ﺼﻨﺎﻋﺘﻬﺎ ﻤﻥ ﺍﻟﺤﺩﻴﺩ ﺃﻭ ﺍﻟﺨﺭﺴﺎﻨﺔ  ،ﻭﻴﻨﺘﻘل ﻓﻴﻬﺎ ﺍﻟﺤﻤل ﻤﻥ ﺍﻷﺴﻘﻑ ﺇﻟﻰ ﺍﻟﺠﻤﺎﻟﻭﻨﺎﺕ ﻋﻥ ﻁﺭﻴـﻕ
                                       ﺍﻟﻜﻤﺭﺍﺕ ﺍﻟﻌﺭﻀﻴﺔ ﻭﻤﻨﻬﺎ ﺇﻟﻰ ﺍﻟﻘﻭﺍﻋﺩ ﺜﻡ ﺇﻟﻰ ﺍﻟﺘﺭﺒﻴﺔ.
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
Skeleton Systems
                       ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                      Skeleton Systems
                                    ﻤﻼﺤﻅﺔ ﻋﺎﻤﺔ ﻋﻠﻰ ﺍﻟﻨﻅﺎﻤﻴﻥ ﺍﻟﺴﺎﺒﻘﻴﻥ ) ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﻭﺍﻟﻬﻴﻜﻠﻲ(:
                   General Notes On Skeleton and Wall Bearing Systems
ﻤﻥ ﺍﻟﻤﻌﺭﻭﻑ ﺃﻥ ﺍﻟﺯﻻﺯل ﻭﺍﻟﺭﻴﺎﺡ ﻫﻲ ﻗﻭﻯ ﺃﻓﻘﻴﺔ ﺘﺅﺜﺭ ﻋﻠﻰ ﺍﻟﻤﺒﻨﻰ ،ﺤﻴﺙ ﺃﻥ ﺍﻟﻨﻅﺎﻡ ﻓﻲ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠـﺔ
 ﻤﻘﺎﻭﻤﺘﻪ ﻟﻠﺭﻴﺎﺡ ﻋﺎﻟﻴﺔ ﻷﻥ ﺍﻷﻭﺯﺍﻥ ﻟﻪ ﻜﺒﻴﺭﺓ ،ﻭﻤﻥ ﺍﻟﻤﻌﺭﻭﻑ ﺃﻥ ﺍﻟﺭﻴﺎﺡ ﺘﺤﺘﺎﺝ ﻟﻭﺯﻥ ﻋﺎﻟﻲ ﻟﻤﻘﺎﻭﻤﺘﻬﺎ.
ﻟﻬﺫﺍ ﻓﺈﻥ ﺒﻌﺽ ﺍﻟﺴﺩﻭﺩ ﻜﺎﻟﺴﺩ ﺍﻟﻌﺎﻟﻲ ﺘﻌﻤل ﺒﺎﻟـ ) (Gravityﻟﻬﺎ ﻋﻥ ﻁﺭﻴﻕ ﻤﻠﺌﻬﺎ ﺒﻤﻭﺍﺩ ﻤﺜل ﺍﻟﺭﻤـل ﺃﻭ
                 ﺍﻟﻁﻴﻥ ﻭﻋﻤل ﻏﻼﻑ ﺨﺭﺴﺎﻨﻲ ﻟﻬﺎ ،ﻫﺫﻩ ﺍﻟﺴﺩﻭﺩ ﺘﻘﺎﻭﻡ ﺍﻟﻤﻴﺎﻩ )ﺍﻟﻘﻭﻯ ﺍﻷﻓﻘﻴﺔ( ﺒﺎﻟﻭﺯﻥ،
ﻭﺤﻴﺙ ﺃﻥ ﺍﻟﺭﻴﺎﺡ ﻗﻭﺓ ﺃﻓﻘﻴﺔ ﺘﺅﺜﺭ ﻋﻠﻰ ﺍﻟﻤﺒﻨﻰ ،ﻓﻜﻠﹼﻤﺎ ﻜﺎﻥ ﻭﺯﻥ ﺍﻟﻤﺒﻨﻰ ﺃﻜﺒﺭ ﻜﻠﹼﻤﺎ ﻜﺎﻨﺕ ﻤﻘﺎﻭﻤﺘـﻪ ﻟﻠﺭﻴـﺎﺡ
ﻋﺎﻟﻴﺔ ،ﻭﻋﻜﺱ ﺫﻟﻙ ﻓﻲ ﺍﻟﺯﻻﺯل ﺤﻴﺙ ﺃﻥ ﺍﻟﺯﻻﺯل ﻫﻲ ﻗﻭﺓ ﺃﻓﻘﻴﺔ ﺘﻀﺭﺏ ﺃﺴﺎﺴﺎﺕ ﺍﻟﻤﺒﻨﻰ ،ﻭﻫﺫﻩ ﺍﻟﻘـﻭﺓ
                                           ﺍﻷﻓﻘﻴﺔ ﻴﻤﻜﻥ ﺘﺤﺩﻴﺩﻫﺎ ﻤﻥ ﺍﻟﻌﻼﻗﺔ ) (F=MAﺤﻴﺙ ﺃﻥ:
                                                             )(Aﻫﻲ ﺍﻟﻌﺠﻠﺔ ﻟﺤﺭﻜﺔ ﺍﻟﺯﻟﺯﺍل .      •
                                                                       ) (Mﻫﻲ ﻭﺯﻥ ﺍﻟﻤﺒﻨﻰ.      •
                      ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻬﻴﻜﻠﻴﺔ
                     Skeleton Systems
 ...ﻭﻋﻠﻴﻪ ﻓﻜﻠﹼﻤﺎ ﻜﺎﻥ ﺍﻟﻤﻨﺯل ﻭﺯﻨﻪ ﺃﻜﺒﺭ ﻜﻠﻤﺎ ﻜﺎﻨﺕ ﻗﻭﺓ ﻀﺭﺏ ﺍﻟﺯﻟﺯﺍل ﻟﻪ ﺃﻜﺒﺭ ،ﻟﺫﺍ ﻴﺠﺏ ﺍﻟﺒﺤﺙ ﻋﻥ ﻭﺴﻴﻠﺔ
ﻤﻥ ﺨﻼﻟﻬﺎ ﻴﺠﺏ ﻤﻘﺎﻭﻤﺔ ﻫﺫﻩ ﺍﻟﻘﻭﻯ ﻭﻫﺫﺍ ﻤﺎ ﻴﻭﻀﻊ ﻓﻲ ﺍﻟﻤﺒﺎﻨﻲ ﻭﻴﺴـﻤﻰ ) ، (Shear wallsﺤﻴـﺙ ﺃﻥ
ﻤﺒﺎﻨﻲ ﻗﻁﺎﻉ ﻏﺯﺓ ) 5-4ﺃﺩﻭﺍﺭ( ﻻ ﺘﻭﻀﻊ ﻓﻴﻬﺎ ﺤﻭﺍﺌﻁ ﺒﺎﻁﻭﻥ ،ﺒﻴﻨﻤﺎ ﺍﻟﻤﺒﺎﻨﻲ ﺍﻟﺘﻲ ﺘﺒﻠﻎ  10ﺃﺩﻭﺍﺭ ﻋﻠﻰ ﺴﺒﻴل
ﺍﻟﻤﺜﺎل ﺘﺠﺩ ﻓﻴﻬﺎ ﺤﺎﺌﻁ ﺒﺎﻁﻭﻥ ،ﺤﻴﺙ ﻫﺫﻩ ﺍﻟﺤﻭﺍﺌﻁ ﺘﻜﻭﻥ ﻤﻭﺠﻭﺩﺓ ﻓﻲ ﻜل ﺩﻭﺭ ﻤﻥ ﺍﻟﺒـﺭﺝ ﻀـﻤﻥ ﺍﻟﺘﻘﺴـﻴﻡ
ﺍﻟﻤﻌﻤﺎﺭﻱ ﻟﻠﺩﻭﺭ  ،ﻭﻴﻤﻜﻥ ﺍﻟﺴﻤﺎﺡ ﻵﺨﺭ  3ﺃﻭ  4ﺃﺩﻭﺍﺭ ﺃﻻ ﻴﻜﻭﻥ ﺒﻬﺎ ﻫﺫﻩ ﺍﻟﺤﻭﺍﺌﻁ  ،ﻷﻥ ﺘﺄﺜﻴﺭ ﺍﻟﻘﻭﺓ ﺍﻷﻓﻘﻴﺔ
ﻴﻜﻭﻥ ﻤﺭﻜﺯﺍﹰ ﻓﻲ ﺍﻷﺴﻔل ﻋﻨﺩ ﺍﻷﺴﺎﺴﺎﺕ ،ﻭﻴﺤﺎﻭل ﺩﺍﺌﻤﺎﹰ ﻓﻲ ﺍﻟﺘﺼﻤﻴﻡ ﺃﻥ ﻴﻜـﻭﻥ ﻤﺭﻜـﺯ ﺍﻟــ ) Shear
                              (wallsﻫﻭ ﻨﻔﺱ ﻤﺭﻜﺯ ﺍﻟﻤﺒﻨﻰ ﻟﺘﻼﻓﻲ ﺤﺩﻭﺙ ) (Rotationﻓﻲ ﺍﻟﻤﺒﻨﻰ .
 ...ﻭﺒﺼﻔﺔ ﻋﺎﻤﺔ ﻓﺈﻥ ﻁﺒﻴﻌﺔ ﺍﻟﻤﺒﻨﻰ ﻓﻲ ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﺘﺤﺘﹼﻡ ﻜﻭﻨﻪ ﺍﻷﻓﻀل ﻓﻲ ﻤﻘﺎﻭﻤﺔ ﺍﻟﺯﻻﺯل ﻷﻥ ﻭﺯﻨـﻪ
ﺃﺨﻑ ﻤﻥ ﻨﻅﺎﻡ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ،ﻭﺒﺎﻟﻤﻘﺎﺒل ﻓﺈﻥ ﻤﻘﺎﻭﻤﺔ ﺍﻟﻤﺒﻨﻰ ﻓﻲ ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ ﻟﻠﺭﻴﺎﺡ ﺃﻜﺒﺭ ﻤـﻥ
                                           ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﻨﻅﺭﺍﹰ ﻟﺯﻴﺎﺩﺓ ﻭﺯﻨﻪ ﻋﻥ ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ .
 ...ﻭﻟﻜﻥ ﺒﺎﻟﻨﺴﺒﺔ ﻟﻘﻁﺎﻉ ﻏﺯﺓ ﻻ ﻴﻭﺠﺩ ﺘﺄﺜﻴﺭ ﻜﺒﻴﺭ ﻟﻠﺭﻴﺎﺡ ﻷﻥ ﺍﻟﻤﺒﺎﻨﻲ ﻟﻴﺴﺕ ﻋﺎﻟﻴﺔ ﻟﺩﺭﺠﺔ ﺘﺨﻠﻕ ﻤﺸﺎﻜل ﻤﻊ
ﺍﻟﺭﻴﺎﺡ ،ﻟﺫﺍ ﻓﺈﻥ ﻤﺸﻜﻠﺔ ﺍﻟﺭﻴﺎﺡ ﻻ ﺘﺘﺩﺨل ﻓﻲ ﺍﻟﺘﺼﻤﻴﻡ ﻭﻴﻬﻡ ﺍﻟﻤﻬﻨﺩﺱ ﻋﻨﺩ ﺍﻟﺘﺼﻤﻴﻡ ﻤﺸـﺎﻜل ﺍﻟـﺯﻻﺯل،
                   ﻤﻤﺎ ﻴﺭﺠﺢ ﺘﻜﻠﻔﺔ ﺍﻟﻨﻅﺎﻡ ﺍﻟﻬﻴﻜﻠﻲ ﻜﻨﻅﺎﻡ ﻤﺘﻜﺎﻤل ﻫﻭ ﺍﻷﻓﻀل ﻋﻥ ﺩﺭﺍﺴﺎﺕ ﻭﺤﻘﺎﺌﻕ.
                 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻘﺸﺭﻴﺔ )ﺍﻟﻔﺭﺍﻏﻴﺔ(
                  Shell-Light Structure
                             ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻘﺸﺭﻴﺔ )ﺍﻟﻔﺭﺍﻏﻴﺔ(
                             Shell-Light Structure
                                                                 ﺘﻌﺭﻴﻑ Definition -:
ﻫﻲ ﻋﺒﺎﺭﺓ ﻋﻥ ﻤﻨﺸﺂﺕ ﻗﺸﺭﻴﺔ ﺨﻔﻴﻔﺔ ﺃﻭ ﻤﻨﺸﺂﺕ ﻤﻜﻭﻨﺔ ﻤﻥ ﻭﺤﺩﺍﺕ ﺼﻠﺒﺔ ﻗﺼﻴﺭﺓ ،ﻭﺘﺼﻤﻴﻡ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ
ﺍﻟﻤﻨﺸﺂﺕ ﻴﺤﺘﺎﺝ ﺇﻟﻰ ﻁﺭﻕ ﺤﺴﺎﺒﻴﺔ ﻭﺘﻔﺼﻴﻠﻴﺔ ﺩﻗﻴﻘﺔ ،ﻭﻴﻨﺩﺭﺝ ﺘﺤﺕ ﻫﺫﺍ ﺍﻟﻤﺴﻤﻰ ﻤﻥ ﺍﻟﻤﻨﺸﺂﺕ ﺃﻨـﻭﺍﻉ
                                                        ﻋﺩﻴﺩﺓ ﻨﻌﺭﺽ ﻓﻴﻤﺎ ﻴﻠﻲ ﻷﺸﻬﺭﻫﺎ-:
                                                   • ﺃﻭﻻﹰ  :ﺍﻟﻘﺒﻭ ﺍﻟﻘﺸﺭﻱ Vault Shell -:
ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻘﺸﺭﻴﺔ )ﺍﻟﻔﺭﺍﻏﻴﺔ(
 Shell-Light Structure
                         Dome Shell   ﺜﺎﻨﻴﺎﹰ  /ﺍﻟﻘﺒﺔ ﺍﻟﻘﺸﺭﻴﺔ:
ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻘﺸﺭﻴﺔ )ﺍﻟﻔﺭﺍﻏﻴﺔ(
 Shell-Light Structure
                                 ﺜﺎﻟﺜﺎﹰ :ﺍﻟﺸﺒﻜﺎﺕ ﺍﻹﻁﺎﺭﻴﺔ ﺍﻟﻔﺭﺍﻏﻴـﺔ - :
                                          Space Frame Grid
ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﻘﺸﺭﻴﺔ )ﺍﻟﻔﺭﺍﻏﻴﺔ(
 Shell-Light Structure
                ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
               Pre-Cast Concrete Systems
                          ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
                        Pre-Cast Concrete Systems
                                                                  Definition     ﺘﻌﺭﻴﻑ -:
ﻴﻘﺼﺩ ﺒﺎﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ ﻫﻲ ﺘﻠﻙ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺘﻲ ﻴﺘﻡ ﺼﺒﻬﺎ ﻓﻲ ﺍﻟﻤﺼـﺎﻨﻊ ﺴـﻭﺍﺀ ﻜﺎﻨـﺕ
ﺃﺠﺯﺍﺀ)ﻗﻭﺍﻋﺩ  ،ﺃﻋﻤﺩﺓ  ،ﻜﻤﺭﺍﺕ  ،ﺃﺴﻘﻑ ( ﺃﻭ ﻭﺤﺩﺍﺕ ﺼﻐﻴﺭﺓ ﻤﺘﻜﺎﻤﻠﺔ ﺤﻴﺙ ﻴﺘﻡ ﻨﻘﻠﻬـﺎ ﺇﻟـﻰ ﺍﻟﻤﻭﻗـﻊ
                                          ﺒﺸﺎﺤﻨﺎﺕ ﺨﺎﺼﺔ ﻭﺘﺠﻤﻊ ﺒﻁﺭﻕ ﻤﻌﻴﻨﺔ ﻤﻜﻭﻨﺔ ﺍﻟﻤﻨﺸﺄ .
 ...ﻭﺍﻟﺴﺒﺏ ﻓﻲ ﻅﻬﻭﺭ ﻫﺫﺍ ﺍﻟﻨﻅﺎﻡ ﻭﺘﻁﻭﻴﺭﻩ ﻫﻭ ﺍﻟﺤﺎﺠﺔ ﺇﻟﻰ ﺘﻨﻔﻴﺫ ﺃﻋﺩﺍﺩ ﻜﺒﻴﺭﺓ ﻤﻥ ﺍﻟﻤﻨﺸـﺂﺕ ﻓـﻲ ﺯﻤـﻥ
                                                                                 ﻗﺼﻴﺭ .
                                         System Advantages                  ﻤﺯﺍﻴﺎ ﺍﻟﻨﻅﺎﻡ -:   *
                                                                            ﺴﺭﻋﺔ ﺍﻟﺘﻨﻔﻴﺫ.     •
                                                               ﺍﻗﺘﺼﺎﺩﻴﺔ ﻤﻥ ﺤﻴﺙ ﺍﻟﺘﻜﻠﻔﺔ .      •
                        ﻴﻤﻜﻥ ﺍﻟﺘﺤﻜﻡ ﻓﻲ ﺠﻭﺩﺘﻬﺎ ﺒﺴﻬﻭﻟﺔ ،ﻷﻨﻬﺎ ﺘﺼﺏ ﻭﺘﻌﺎﻟﺞ ﺩﺍﺨل ﺍﻟﻤﺼﺎﻨﻊ .          •
           ﻻ ﺘﺤﺘﺎﺝ ﺍﻟﻤﻨﺸﺂﺕ ﺇﻟﻰ ﺘﺸﻁﻴﺒﺎﺕ ﺩﺍﺨﻠﻴﺔ ﻤﺜل ) ﺍﻟﻘﺼﺎﺭﺓ ﻭﺍﻟﺩﻫﺎﻥ(  ،ﻷﻥ ﺃﺴﻁﺤﻬﺎ ﻤﻠﺴﺎﺀ        •
                                               ﻻ ﺘﺤﺘﺎﺝ ﺍﻟﻰ ﺃﻴﺩﻱ ﻋﺎﻤﻠﺔ ﻜﺜﻴﺭﺓ ﻓﻲ ﺍﻟﻤﻭﻗﻊ .       •
               ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
              Pre-Cast Concrete Systems
                                                      ..ﻤﻼﺤﻅﻪ ﻫﺎﻤﺔ Important Note -:
 ...ﺭﻏﻡ ﻜل ﺍﻟﻤﻤﻴﺯﺍﺕ ﺍﻟﺘﻲ ﺫﻜﺭﺕ ﺴﺎﺒﻘﺎﹰ  ،ﺇﻻ ﺃﻥ ﻫﺫﺍ ﺍﻟﻨﻅﺎﻡ ﻟﻡ ﻴﻨﺠﺢ ﻓﻲ ﺍﻟﻭﻁﻥ ﺍﻟﻌﺭﺒـﻲ ﺒﺸـﻜل ﻋـﺎﻡ،
ﻭﺒﻼﺩﻨﺎ ﺒﺸﻜل ﺨﺎﺹ ،ﻷﻥ ﻋﺩﺩ ﺍﻟﻭﺤﺩﺍﺕ ﺍﻟﻤﺴﺘﺨﺩﻤﺔ ﻋﺩﺩ ﻗﻠﻴل ،ﺒﻤﻌﻨﻰ ﺃﻥ ﺍﻟﻘﺎﻟﺏ ﺍﻟﺫﻱ ﻴﺼـﻨﻊ ﻴﺼـﺏ
   ﺠﺯﺀ ﻤﻥ ﺍﻟﻌﻤﺎﺭﺓ ،ﻗﺩ ﻻ ﻴﺴﺘﻌﻤل ﻤﺭﺓ ﺃﺨﺭﻯ ﻤﻤﺎ ﻴﻌﻨﻲ ﺨﺴﺎﺭﺓ ﻋﻠﻰ ﺼﺎﺤﺏ ﺍﻟﻤﺼﻨﻊ ﻭﺘﺭﺍﺠﻊ ﻟﻠﻔﻜﺭﺓ.
                              System Disadvantages                    * ﻋﻴﻭﺏ ﺍﻟﻨﻅﺎﻡ -:
                                                          ﻴﺘﻠﺨﺹ ﻋﻴﻭﺏ ﺍﻟﻨﻅﺎﻡ ﺒﺸﻜل ﻋﺎﻡ ﻓﻲ :
   ﺍﻟﺘﻘﻴﺩ ﺒﺸﻜل ﻤﻌﻤﺎﺭﻱ ﻤﻭﺤﺩ "ﻋﺩﻡ ﺍﻟﻘﺩﺭﺓ ﻋﻠﻰ ﺍﻟﺘﻐﻴﻴﺭ ﺍﻟﻤﻌﻤﺎﺭﻱ"  ،ﻤﻤﺎ ﻗﺩ ﻻ ﻴﺘﻨﺎﺴﺏ ﻤﻊ ﺍﻷﺫﻭﺍﻕ ﻤﻥ
                                 ﺸﺨﺹ ﻵﺨﺭ  ،ﻭﺍﻟﺴﺒﺏ ﻓﻲ ﻋﺩﻡ ﺍﻟﻘﺩﺭﺓ ﻋﻠﻰ ﺘﻐﻴﻴﺭ ﺍﻟﻘﻭﺍﻟﺏ.
                ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
               Pre-Cast Concrete Systems
                                                      ﺃﻨﻭﺍﻉ ﺍﻷﺠﺯﺍﺀ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ -:
                                   Types Components of Pre-Cast Concrete
                      (1ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ Pre-Cast Concrete Walls -:
ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺠﺎﻫﺯﺓ ﺘﺴﺘﺨﺩﻡ ﻏﺎﻟﺒﺎﹰ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻟﺤﻭﺍﺌﻁ ،ﺤﻴﺙ ﺘﻌﺘﺒﺭ ﺘﻠﻙ ﺍﻟﻤﻨﺸﺂﺕ ﻤﻨﺸﺂﺕ ﺤﻭﺍﺌﻁ ﺤﺎﻤﻠﺔ ،
ﻭﻓﻴﻬﺎ ﻴﺘﻡ ﺍﻻﺴﺘﻐﻨﺎﺀ ﻋﻥ ﺍﻷﻋﻤﺩﺓ ﻭﺍﻟﻜﻤﺭﺍﺕ  ،ﺤﻴﺙ ﺘﻘﻭﻡ ﺍﻟﺤﻭﺍﺌﻁ ﺒﺤﻤل ﺍﻟﺴﻘﻑ ﻭﻨﻘل ﺍﻷﺤﻤﺎل ﻤﺒﺎﺸﺭﺓ
                                                                            ﺇﻟﻰ ﺍﻷﺴﺎﺴﺎﺕ .
                     Pre-Cast Concrete Slabs               (2ﺍﻷﺴﻘﻑ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ :
               Pre-Cast Concrete Frames                  (3ﺍﻹﻁﺎﺭﺍﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ -:
   ﺘﺼﻨﻊ ﺃﺠﺯﺍﺀ ﺍﻹﻁﺎﺭﺍﺕ ) ﺃﻋﻤﺩﺓ  ،ﻜﻤﺭﺍﺕ ( ﻓﻲ ﺍﻟﻤﺼﺎﻨﻊ ﺜﻡ ﺘﻨﻘل ﻟﻠﻤﻭﻗﻊ  ،ﻭﺘﺠﻤﻊ ﻟﺘﻜﻭﻴﻥ ﺍﻹﻁـﺎﺭ ،
   ﻭﻤﻥ ﺜﻡ ﻴﺘﻡ ﺘﺭﻜﻴﺒﻬﺎ ﻋﻠﻰ ﺍﻷﺴﺎﺴﺎﺕ " ﺍﻟﻘﻭﺍﻋﺩ"  ،ﺤﻴﺙ ﺃﻥ ﻫﺫﺍ ﺍﻷﺴﺎﺴﺎﺕ ﺇﻤﺎ ﺃﻥ ﺘﻜﻭﻥ ﻤﺼﺒﻐﺔ
                                                      ﺍﻟﺼﺏ ﺃﻴﻀﺎﹰ ﺃﻭ ﻤﺼﺒﻭﺒﺔ ﻓﻲ ﺍﻟﻤﻭﻗﻊ ( .
               ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
              Pre-Cast Concrete Systems
         Pre-Cast Concrete Fences                                   (4ﺍﻷﺴﻭﺍﺭ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ -:
ﻫﻲ ﻋﺒﺎﺭﺓ ﻋﻥ ﺃﺠﺯﺍﺀ ﺨﺭﺴﺎﻨﻴﺔ ﺠﺎﻫﺯﺓ ) ﻗﻭﺍﻋﺩ  ،ﺃﻋﻤﺩﺓ  ،ﺤﻭﺍﺌﻁ(  ،ﺤﻴﺙ ﺘﻭﻀـﻊ ﺍﻟﻘﻭﺍﻋـﺩ ﺃﻭﻻﹰ ﻋﻠـﻰ
              ﻤﺴﺎﻓﺎﺕ ﻤﺘﺴﺎﻭﻴﺔ  ،ﻭﻤﻥ ﺜﻡ ﻴﺘﻡ ﺘﺜﺒﻴﺕ ﻋﻠﻴﻬﺎ ﺍﻷﻋﻤﺩﺓ ﺜﻡ ﺘﺭﻜﺏ ﺍﻟﺤﻭﺍﺌﻁ ﺒﻴﻥ ﺍﻷﻋﻤﺩﺓ .
                 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
                Pre-Cast Concrete Systems
                             ﻁﺭﻕ ﺘﺸﻴﻴﺩ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ -:
   Methods of Construction of Pre-Cast Concrete Structures
                                ﻴﻭﺠﺩ ﻁﺭﻕ ﺤﺩﻴﺜﺔ ﻟﺘﺸﻴﻴﺩ ﻤﺜل ﺘﻠﻙ ﺍﻷﻨﻭﺍﻉ ﻤﻥ ﺍﻟﺨﺭﺴﺎﻨﺎﺕ ﻭﻫﻲ ﻜﺎﻟﺘﺎﻟﻲ :
                     (1ﺍﻟﺘﺸﻴﻴﺩ ﺒﻭﺤﺩﺍﺕ ﺴﺎﺒﻘﺔ ﺍﻟﺼﺏ Pre-Cast Construction Unites -:
ﺘﺼﻨﻊ ﻭﺤﺩﺍﺕ ﻫﺫﺍ ﺍﻟﻨﻭﻉ ﻤﻥ ﺍﻟﺨﺭﺴﺎﻨﺎﺕ ﻓﻲ ﺍﻟﻤﺼﻨﻊ ﺍﻟﻤﺠﻬﺯ ﻟﺫﻟﻙ  ،ﺤﻴﺙ ﺘﻜﻭﻥ ﻓﻲ ﺃﻏﻠﺏ ﺍﻷﺤﻭﺍل ﻭﺤﺩﺍﺕ
ﻨﻤﻁﻴﺔ ﻤﺘﻜﺭﺭﺓ ﻟﺯﻭﻡ ﺘﺸﻴﻴﺩ ﻫﻴﻜل ﺍﻟﻤﻨﺸﺄ  ،ﺤﻴﺙ ﺘﻨﻘل ﻫﺫﻩ ﺍﻟﻭﺤﺩﺍﺕ ﺇﻟﻰ ﺍﻟﻤﻭﻗﻊ ﺒﻌﺭﺒﺎﺕ ﻜﺒﻴـﺭﺓ  ،ﺜـﻡ
 ﺘﺭﻓﻊ ﺒﺎﻟﺭﻭﺍﻓﻊ ﺍﻟﻤﻴﻜﺎﻨﻴﻜﻴﺔ ﺇﻟﻰ ﺃﻤﺎﻜﻨﻬﺎ ﻓﻲ ﺍﻟﻤﻨﺸﺄ  ،ﺜﻡ ﺘﺭﻜﺏ ﻭﺘﺜﺒﺕ ﺒﺎﻟﻜﺎﻨﺎﺕ ﻭﺍﻟﺨﻭﺍﺒﻴﺭ ﺍﻟﻤﻌﺩﺓ ﻟﺫﻟﻙ .
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
Pre-Cast Concrete Systems
 ﻧﻈﻢ اﻟﻤﻨﺸﺂت اﻟﺨﺮﺳﺎﻧﯿﺔ ﻣﺴﺒﻘﺔ اﻟﺼﺐ
Pre-Cast Concrete Systems
              Tile-Up Construction                                      (2ﺍﻟﺘﺸﻴﻴﺩ ﺒﺎﻟﺘﻤﻴﻴل -:
                              وﻫ ﻲإ ﺣ ﺪ ىﻃﺮقﺗ ﻴﻴ ﺪ ﻠﻮ ﺣﺪا اﻠ ﺨﺮﺴﺎﻧﻴ ﻤ ﺳﺒﻗ ﺔ ﻠ ﺼ ﺐ  ،ﺣﻴ ﺚا ٔ ﻧ ﻪﻳﺘ ﻢ
                              ﺻـ ﺐ ﺣـ ﻮا ﻂ اﻠﻣﻨ ــ ﺎ ٔ ﻋــ ﻰ ﻤ ﺳــﺘ ى ا ٔ ﻓ ﻗـﻲ ﺑـﺎﻠ ﻮ ﻘ ﻊ  ،ﺛــ ﻢ ﺗﺮﻓـﻊ ﺑﺘ ﻣ ﻴﻴﻬـﺎ
                                  ﻟ ﻣﺳﺘﻮ ى ﻠ ﺮ ٔ ﺴ ﻲ،ﺛ ﻢ ﺗ ﺿ ﻊ ﻓﻲ ﻛﺎ ﻬﺎ ا ﻣ ﺨ ﺺﻠﻬ ﺎ ﻓ ﻲﻠﻣﻨﺷﺎ ٔ .
                              وﺗ...ﺳ ﺘﻌﻣ ﻞ ﺬﻩاﻠ ﻄﺮﻳﻗﺔ ﻜـﺜﻴﺮا ً ﻲ اﻠﻣﺒـﺎ ﻲ ﻠ ﺳـ ﻛﻨ ﻴﺔ واﻠﺟﺮا ﺠﺎ تﺎﻹ ﺿـﺎﻓﺔ
                              إﻠ ﻰ اﻠ ﻛ ﺎﺗ اﻠ ﻌﺎﻴ ﺔ ﺣ ﺚﻳﺘ ﻢ ﺗ ﻴﻴ ﺪﺎﻓ ﻘ ﺖ ا ٔ ﻘ ﺼ ﻤـ ﻦ اﻠ ـ ﺮ ق
                                                                                                 اﻠﺘﻗﻟﻴ ﺪﻳ ﺔ .
 ﻨﻅﻡ ﺍﻟﻤﻨﺸﺂﺕ ﺍﻟﺨﺭﺴﺎﻨﻴﺔ ﻤﺴﺒﻘﺔ ﺍﻟﺼﺏ
Pre-Cast Concrete Systems
     Left-Slab Construction                     (3ﺍﻟﺘﺸﻴﻴﺩ ﺒﺭﻓﻊ ﺍﻟﺒﻼﻁﺎﺕ - :
                            ﻭﻫﺫﻩ ﺍﻟﻁﺭﻴﻘﺔ ﺘﺒﺩﺃ ﺒﺼﺏ ﺠﻤﻴﻊ ﺒﻼﻁﺎﺕ " ﺃﺴﻘﻑ " ﺍﻷﺩﻭﺍﺭ
                            ﻓﻭﻕ ﺒﻌﺽ ﻋﻠﻰ ﺒﻼﻁﺔ ﺍﻟﺩﻭﺭ ﺍﻷﺭﻀﻲ ﺒﺎﻟﻤﻭﻗﻊ ﻋﻠـﻰ
                            ﺃﻥ ﺘﺘﺨﻠﻠﻬﺎ ﺃﻋﻤﺩﺓ ﺍﻟﻤﺒﻨﻰ  ،ﻤﻊ ﻭﻀﻊ ﻤﻭﺍﺩ ﻓﺎﺼﻠﺔ ﺒﻴﻨﻬﻡ
                            ﻟﻌﺩﻡ ﺍﻟﺘﺼﺎﻕ ﺘﻠﻙ ﺍﻟﺒﻼﻁﺎﺕ ﺒﺒﻌﻀﻬﺎ ﻭﻗـﺕ ﺍﻟﺼـﺏ ،
                            ﻭﺒﻌﺩ ﺘﺼﻠﺏ ﺍﻟﺒﻼﻁﺎﺕ ﺍﻟﺘﻲ ﺘﻡ ﺼﺒﻬﺎ ﺘﺭﻓﻊ ﻷﻤﺎﻜﻨﻬـﺎ
                            ﺍﻟﻤﺤﺩﺩﺓ ﺒﻭﺍﺴﻁﺔ ﺭﺍﻓﻌﺎﺕ ﻫﻴﺩﺭﻭﻟﻴﻜﻴﺔ ) Hydraulic
                                                                   . (Jacks
                            ..ﻭﻴﻭﺠﺩ ﺒﻌﺽ ﺍﻷﺴﺱ ﺍﻟﻤﻬﻤﺔ ﻟﻁﺭﻴﻘـﺔ ﺍﻟﺘﺸـﻴﻴﺩ ﺒﺭﻓـﻊ
                           ﺍﻟﺒﻼﻁﺎﺕ ﻭﺍﻟﻭﺍﺠﺏ ﻤﺭﺍﻋﺎﺘﻬﺎ ﻋﻨﺩ ﺘﺼـﻤﻴﻤﻬﺎ ﺇﻨﺸـﺎﺌﻴﺎﹼ
                                                     ﻭﻤﻌﻤﺎﺭﻴﺎﹰ ﻭﻫﻲ ﻜﺎﻟﺘﺎﻟﻲ -:
                              (1ﺍﺴﺘﻌﻤﺎل ﺴﻤﻜﺎﺕ ﻤﺘﺴﺎﻭﻴﺔ ﻟﺒﻼﻁﺎﺕ ﺍﻷﺩﻭﺍﺭ ﻭﺍﻟﺴﻘﻑ .
                                     (2ﺍﺴﺘﻌﻤﺎل ﺒﻼﻁﺎﺕ ﺒﻜﻭﺍﺒﻴل ). (Cantilevers
                             (3ﻭﻀﻊ ﺃﻋﻤﺩﺓ ﺍﻟﻤﺒﻨﻰ ﻋﻠﻰ ﻤﺴﺎﻓﺎﺕ ﻤﺘﺴﺎﻭﻴﺔ ﻭﻤﻨﺘﻅﻤـﺔ
                                                                  ﻜﻠﹼﻤﺎ ﺃﻤﻜﻥ .
                             (4ﻭﻀﻊ ﻓﺘﺤﺎﺕ ﺍﻟﺤﻭﺍﺌﻁ ﻤﺜل ) ﺍﻷﺒﻭﺍﺏ ﻭﺍﻟﺸﺒﺎﺒﻴﻙ( ﻓـﻲ
                                 ﺃﻤﺎﻜﻥ ﺒﻌﻴﺩﺓ ﻋﻥ ﻤﻨﻁﻘﺔ ﺍﻟﻘﺹ ).(Shear Zone
                     ﻤﻘﺎﺭﻨﺔ ﺒﻴﻥ ﺃﻨﻅﻤﺔ ﺍﻹﻨﺸﺎﺀ ﺍﻟﻤﺨﺘﻠﻔﺔ
                  Comparison of Different Systems
                                  ﻤﻘﺎﺭﻨﺔ ﺒﻴﻥ ﺃﻨﻅﻤﺔ ﺍﻹﻨﺸﺎﺀ ﺍﻟﻤﺨﺘﻠﻔﺔ
                             Comparison of Different Systems
       ﺍﻹﻨﺸﺎﺀ ﺍﻟﻤﺴﺒﻕ                  ﺍﻹﻨﺸﺎﺀ ﺍﻟﻔﺭﺍﻏﻲ                ﺍﻹﻨﺸﺎﺀ ﺍﻟﻬﻴﻜﻠﻲ               ﺍﻹﻨﺸﺎﺀ ﺒﺎﻟﺤﻭﺍﺌﻁ ﺍﻟﺤﺎﻤﻠﺔ             ﻭﺠﻪ ﺍﻟﻤﻘﺎﺭﻨﺔ
          ﺍﻟﺼﻨﻊ                        )ﺍﻟﻘﺸﺭﻴﺎﺕ(
                ﺤﺴﺏ ﻨﻭﻉ ﺍﻹﻨﺸﺎﺀ      ﻗﻭﺍﻋﺩ ﻤﻨﻔﺼﻠﺔ ﺘﺤﺕ ﻜـل      ﻗﻭﺍﻋﺩ ﻤﻨﻔﺼﻠﺔ ﺘﺤﺕ ﻜل ﻋﺎﻤﻭﺩ ﺃﻭ        ﺸﺭﻴﻁﻴﺔ ﻤﻤﺘﺩﺓ ﻋﻠﻰ ﻁﻭل ﺍﻟﺤﻭﺍﺌﻁ          ﺍﻟﻘﻭﺍﻋﺩ
                                                   ﻋﺎﻤﻭﺩ                    ﻤﺸﺘﺭﻜﺔ ﺃﻭ ﻟﺒﺸﺔ
                ﺤﺴﺏ ﻨﻭﻉ ﺍﻹﻨﺸﺎﺀ      ﺭﺒﻤﺎ ﺘﻭﺠـﺩ ﺃﻭ ﻻ ﺤﺴـﺏ         ﺃﻋﻤﺩﺓ ﻤﺘﺭﺍﻜﺒﺔ ﺫﺍﺕ ﻤﺭﻜﺯ ﻭﺍﺤﺩ     ﻻ ﺘﻭﺠﺩ ﺃﻋﻤﺩﺓ ﻭﺇﻨﻤﺎ ﺤﻭﺍﺌﻁ ﺤﺎﻤﻠﺔ         ﺍﻷﻋﻤﺩﺓ
                                       ﻁﺒﻴﻌﺔ ﺘﻭﺯﻴﻊ ﺍﻷﺤﻤﺎل
                ﺤﺴﺏ ﻨﻭﻉ ﺍﻹﻨﺸﺎﺀ           ﻋﻨﺎﺼﺭ ﺘﺤﻤﻴل ﺃﺨﺭﻯ        ﻜﻤﺭﺍﺕ ﺃﺭﻀﻴﺔ ﻭﻋﺎﺩﻴﺔ ﻭﺴﺎﻗﻁﺔ                         ﻻ ﺘﻭﺠﺩ ﻜﻤﺭﺍﺕ        ﺍﻟﻜﻤﺭﺍﺕ
                ﺤﺴﺏ ﻨﻭﻉ ﺍﻹﻨﺸﺎﺀ       ﺃﺴﻘﻑ ﻗﺸﺭﻴﺔ ﺃﻭﺠﻤﺎﻟﻭﻨﻴﺔ              ﺃﺴﻘﻑ ﻋﺎﺩﻴﺔ ﺃﻭ ﺭﻴﺒﺱ                           ﺃﺴﻘﻑ ﻋﺎﺩﻴﺔ        ﺍﻷﺴﻘﻑ
                ﺤﺴﺏ ﻨﻭﻉ ﺍﻹﻨﺸﺎﺀ      ﺘــﻭﺯﻉ ﺍﻷﺤﻤــﺎل ﻓــﻲ      ﺍﻟﺤﻭﺍﺌﻁ ﺘﻨﻘل ﺜﻘﻠﻬﺎ ﺇﻟـﻰ ﺍﻟﻬﻴﻜـل   ـﻰـﻘﻑ ﺇﻟــﻴﺎﺕ ﻭﺍﻷﺴــﻥ ﺍﻷﺭﻀـ  ﻤـ      ﺍﻨﺘﻘﺎل ﺍﻷﺤﻤﺎل
                                    ﺍﻻﺘﺠﺎﻫﺎﺕ ﺍﻟﺜﻼﺜﺔ ﻭﻟـﻴﺱ     ـﺎﺕ
                                                                ـﻥ ﺍﻟﺒﻼﻁـ ـﺎﻡ ﺍﻟﻤﻜ ـﻭﻥ ﻤـ
                                                                                         ﺍﻟﻌـ   ﺍﻟﺤﻭﺍﺌﻁ ﺍﻟﺨﺎﺭﺠﻴﺔ ﻭﺍﻟﺩﺍﺨﻠﻴﺔ ﻭﻤﻨﻬﺎ
                                    ﻓﻲ ﺍﺘﺠﺎﻩ ﻭﺍﺤﺩ ﺤﻴﺙ ﺘﻨﺘﻘل   ﻭﺍﻟﻜﻤﺭﺍﺕ ﻭﺍﻷﻋﻤﺩﺓ ﻭﻤﻥ ﺜﻡ ﺇﻟـﻰ      ﺇﻟﻰ ﺍﻟﻘﻭﺍﻋﺩ ﺍﻟﻤﺴﺘﻤﺭﺓ ﻭﻤﻥ ﺜﻡ ﺇﻟـﻰ
                                    ﺍﻻﺠﻬــﺎﺩﺍﺕ ﻓــﻲ ﺍﺘﺠــﺎﻩ         ﺍﻷﺴﺎﺴﺎﺕ ﻭﻤﻨﻬﺎ ﺇﻟﻰ ﺍﻟﺘﺭﺒﺔ                              ﺍﻟﺘﺭﺒﺔ
                                                ﺍﻟﺴﻁﺢ ﻨﻔﺴﻪ
           ﺴﻬﻭﻟﺔ ﺍﻹﻨﺸﺎﺀ ﻭﺴﺭﻋﺘﻪ      ﺍﻟﺸﻜل ﺍﻟﺠﻤـﺎﻟﻲ ﻭﺘﺄﺩﻴـﺔ    ﺍﻟﻘﻭﺓ ﻭﺍﻟﻤﺘﺎﻨﺔ ﻭﻭﻓـﺭﺓ ﺍﻟﺘﻜـﺎﻟﻴﻑ         ﺍﻟﻘﻭﺓ ﻭﺍﻟﻤﺘﺎﻨﺔ ﻭﺍﻟﻌﻤﺭ ﺍﻟﻁﻭﻴل      ﺍﻟﻤﺯﺍﻴﺎ
                                         ﺍﻷﻏﺭﺍﺽ ﺍﻟﻤﻨﻭﻁ ﻟﻬﺎ    ﻭﺴﻬﻭﻟﺔ ﺍﻹﻨﺸﺎﺀ ﻭﺇﻤﻜﺎﻨﻴﺔ ﺘﺸﻜﻴل
                                                              ﺍﻟﻤﺒﻨﻰ ﻭﺇﻤﻜﺎﻨﻴﺔ ﺇﻀـﺎﻓﺔ ﺤـﻭﺍﺌﻁ
                                                                                       ﺠﺩﻴﺩﺓ
ﻋﺎﻟﻲ ﺍﻟﺘﻜﺎﻟﻴﻑ ﺇﻻ ﻓﻲ ﺤﺎﻟﺔ ﺍﻟﻜﻤﻴـﺎﺕ   ـﻪ
                                     ـﻭﻯ ﺤﻤﻠــل ﺴـﻻ ﻴﺘﺤﻤـ     ﻻ ﻴﻭﺠﺩ ﻋﻴﻭﺏ ﺇﻨﺸـﺎﺌﻴﺔ ﺴـﻭﻯ         ﻋﺩﻡ ﺇﻤﻜﺎﻨﻴﺔ ﺘﺸﻜﻴل ﺍﻟﻤﺒﻨﻰ ﻭﻋـﺩﻡ          ﺍﻟﻌﻴﻭﺏ
ﺍﻟﻜﺒﻴﺭﺓ ﻭﺍﻟﺘﻘﻴـﺩ ﺒﺄﺸـﻜﺎل ﺍﻷﺠـﺯﺍﺀ    ﺍﻟﺫﺍﺘﻲ ﻭﺃﺤﻤﺎل ﺤﻴﺔ ﺒﺴﻴﻁﺔ                 ﻋﻴﻭﺏ ﺍﻟﺘﺼﻤﻴﻡ              ﺇﻤﻜﺎﻨﻴﺔ ﺇﻀﺎﻓﺔ ﺤﻭﺍﺌﻁ ﺠﺩﻴﺩﺓ
                         ﺍﻟﻤﺼﻨﻌﺔ                    ﻟﻠﺼﻴﺎﻨﺔ
ﺸـــــﻜﺭﺍ
 ﻟﺤــــﺴﻥ
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