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أنظمة البناء المعماري

The document discusses bearing wall structural systems. It defines bearing walls as interior or exterior walls that support the entire building by transferring loads from floors and roofs to the foundation soil below. Load is distributed through all the walls to the foundation. Wall thickness decreases with each higher level as loads decrease. Continuous deep foundations are built under all ground floor walls.

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mohamed khalil
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0% found this document useful (0 votes)
824 views55 pages

أنظمة البناء المعماري

The document discusses bearing wall structural systems. It defines bearing walls as interior or exterior walls that support the entire building by transferring loads from floors and roofs to the foundation soil below. Load is distributed through all the walls to the foundation. Wall thickness decreases with each higher level as loads decrease. Continuous deep foundations are built under all ground floor walls.

Uploaded by

mohamed khalil
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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‫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 ﻭﺍﻟﻔﻨﻴ‪‬ﺔ ‪.‬‬

‫‪ ...‬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 ﻤﺤﻤ‪‬ﻠﺔ 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 ﻴﺘﻜﻭ‪‬ﻥ 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.‬‬
‫‪ (5‬ﻴﻔﻀ‪‬ل 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 ﺘﺤﻤ‪‬ل 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 ﻴﺤﻤ‪‬ل 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 ﻤﺤﻤ‪‬ﻠﺔ 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 ﺩﻋ‪‬ﺎﻤـﺎﺕ‬ ‫‪...‬‬
‫ﻭﺸﺩ‪‬ﺍﺩﺍﺕ ﻤﻜﻭ‪‬ﻨﺔ 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 ﻤﻜﻭ‪‬ﻨﺔ 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 ﺼﺒ‪‬ﻬﺎ ﻓﻲ ﺍﻟﻤﺼـﺎﻨﻊ ﺴـﻭﺍﺀ ﻜﺎﻨـﺕ‬
‫ﺃﺠﺯﺍﺀ)ﻗﻭﺍﻋﺩ ‪ ،‬ﺃﻋﻤﺩﺓ ‪ ،‬ﻜﻤﺭﺍﺕ ‪ ،‬ﺃﺴﻘﻑ ( ﺃﻭ ﻭﺤﺩﺍﺕ ﺼﻐﻴﺭﺓ ﻤﺘﻜﺎﻤﻠﺔ ﺤﻴﺙ ﻴﺘﻡ ﻨﻘﻠﻬـﺎ ﺇﻟـﻰ ﺍﻟﻤﻭﻗـﻊ‬
‫ﺒﺸﺎﺤﻨﺎﺕ ﺨﺎﺼﺔ ﻭﺘﺠﻤﻊ ﺒﻁﺭﻕ ﻤﻌﻴﻨﺔ ﻤﻜﻭ‪‬ﻨﺔ 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 ‪ ،‬ﻭﺘﺠﻤ‪‬ﻊ ﻟﺘﻜﻭ‪‬ﻴﻥ 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 ﺼﺒ‪‬ﻬﺎ 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 ـﻭ‪‬ﻥ 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
‫ﺍﺴﺘﻤﺎﻋﻜﻡ‬

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