GRUTAS, SEAN ANDREW B.

BASR 4-A

STEEL AND TIMBER DESIGN – HOMEWORK 1

Local Name Official Uses / Part of Structure Use Relative Density Strength Properties Picture
(Magallanes, Common
Sorsogon) Name
Naga Narra Beams, truss, furniture and decorative veneers, At MC: 0.494 II . Moderately High Strength
high-end joinery, flooring, cabinetry, paneling, At 15% MC: 0.529 Group
novelties and specialty items and carved pieces At 12% MC: 0.537 MPa: 18.00
such as furniture feet and finials, stairs, At 5% MC: 0.56 GPa: 5.94
plywood veneer or facings At Oven-dry MC: 0.570 MPa: 11.40
MPa: 3.01
MPa: 1.91
Kamagong Kamagong Truss, Stair frames, furniture and decorative At MC: 0.810 II . Moderately High Strength
veneers, high-end joinery, flooring, cabinetry, At 15% MC: 0.909 Group
paneling, novelties and specialty items and At 12% MC: 0.932 MPa: 20.90
carved pieces such as furniture feet and finials, At 5% MC: 0.99 GPa: 7.20
stairs, plywood veneer or facings At Oven-dry MC: 1.037 MPa: 11.70
MPa: 4.39
MPa: 2.47
Apitong Apitong Beams, truss, furniture, wood carvings, stairs At MC: 0.542 III . Medium Strength Group
At 15% MC: 0.604 MPa: 16.50
At 12% MC: 0.611 GPa: 7.31
At 5% MC: 0.63 MPa: 9.56
At Oven-dry MC: 0.641 MPa: 2.20
MPa: 1.73
Mahogany Mahogany Beams, truss, furniture, wood carvings, stairs At MC: 0.526 III . Medium Strength Group
At 15% MC: 0.566 MPa: 20.10
At 12% MC: 0.575 GPa: 32.70
At 5% MC: 0.60 MPa: 9.22
At Oven-dry MC: 0.613 MPa: 7.84
MPa: 4.78
Gemelina Gemelina Beams, truss, furniture, wood carvings, stairs At MC: ? ?
At 15% MC:?
At 12% MC:?
At 5% MC:?
At Oven-dry MC:?
Niyog Niyog Scaffoldings At MC:
At 15% MC:
At 12% MC:
At 5% MC:
At Oven-dry MC:
Red Lauan Red Lauan Beams, truss, furniture, wood carvings, stairs At MC: 0.395 III . Medium Strength Group
At 15% MC: 0.417 MPa: 15.10
At 12% MC: 0.422 GPa: 21.90
At 5% MC: 0.43 MPa: 10.40
At Oven-dry MC: 0.442 MPa: 3.26
MPa: 1.68
White Lauan White Lauan Beams, truss, furniture, wood carvings, stairs At MC: 0.396 III . Medium Strength Group
At 15% MC: 0.418 Group
At 12% MC: 0.423 MPa: 16.20
At 5% MC: 0.44 GPa: 22.20
At Oven-dry MC: 0.443 MPa: 11.40
MPa: 3.07
MPa: 1.97
Abahungon ? Beams, truss, furniture, wood carvings, stairs At MC: ?
At 15% MC:
At 12% MC:
At 5% MC:
At Oven-dry MC:
Balitagtag ? Beams, truss, furniture, wood carvings, stairs At MC: ?
At 15% MC:
At 12% MC:
At 5% MC:
At Oven-dry MC:
Sambulauan ? Beams, truss, furniture, wood carvings, stairs At MC: ?
At 15% MC:
At 12% MC:
At 5% MC:
At Oven-dry MC:
Dao Dao Beams, truss, furniture, wood carvings, stairs At MC: 0.520 II . Moderately High Strength
At 15% MC: 0.539 Group
At 12% MC: 0.568 MPa: 18.50
At 5% MC: 0.59 GPa: 30.80
At Oven-dry MC: 0.605 MPa: 12.40
MPa: 4.29
MPa: 3.49
Yakal Yakal Beams, truss, furniture, wood carvings, stairs At MC: 0.730 I . High Strength Group
At 15% MC: 0.810 MPa: 28.80
At 12% MC: 0.828 GPa: 47.60
At 5% MC: 0.87 MPa: 22.00
At Oven-dry MC: 0.919 MPa: 9.14
MPa: 6.09