10″x10″ - 4 (1″) rebar
  axis y-y or x-x plastic timber
English Metric
Modulus of Elasticity, E 306 966 psi 2 117 MPa
Moment of Inertia, I 777 in4 0.000323 m4
Stiffness, EI 2.39E 08 lb-in2 685 kN-m2
Maximum Yield Stress in Bending 3 443 psi 23.7 MPa
Weight 28 lbs/ft to 35 lbs/ft 42 kg/m to 52 kg/m
Specific Gravity 0.67-0.82 0.67-0.82
Compressive Modulus, Ec 143 900 psi 992 MPa
Distance from Outer Surface
to Reinforcing Elements		 1.58 in 40 mm
Reinforcing Element Diameter 1.00 in 25 mm
Number of Reinforcing Elements 4 4
Corner Radius 1.8 in 44 mm
Last Updated: 08.10.04
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10″x10″ - 4 (1.25″) rebar
  axis y-y or x-x composite wale
English Metric
Modulus of Elasticity, E 402 647 psi 2 776 MPa
Moment of Inertia, I 777 in4 0.000323 m4
Stiffness, EI 3.13E 08 lb-in2 898 kN-m2
Maximum Yield Stress in Bending 4 517 psi 31.1 MPa
Weight 29 lbs/ft to 36 lbs/ft 43 kg/m to 53 kg/m
Specific Gravity 0.69-0.84 0.69-0.84
Compressive Modulus, Ec 187 658 psi 1 294 MPa
Distance from Outer Surface
to Reinforcing Elements		 1.45 in 37 mm
Reinforcing Element Diameter 1.25 in 32 mm
Number of Reinforcing Elements 4 4
Corner Radius 1.8 in 44 mm
Last Updated: 08.10.04
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10″x10″ - 4 (1.375″) rebar
  axis y-y or x-x composite timber
English Metric
Modulus of Elasticity, E 460 269 psi 3 174 MPa
Moment of Inertia, I 777 in4 0.000323 m4
Stiffness, EI 3.58E 08 lb-in2 1 027 kN-m2
Maximum Yield Stress in Bending 5 163 psi 35.6 MPa
Weight 30 lbs/ft to 36 lbs/ft 44 kg/m to 54 kg/m
Specific Gravity 0.70-0.86 0.70-0.86
Compressive Modulus, Ec 213 852 psi 1 475 MPa
Distance from Outer Surface
to Reinforcing Elements		 1.39 in 35 mm
Reinforcing Element Diameter 1.38 in 35 mm
Number of Reinforcing Elements 4 4
Corner Radius 1.8 in 44 mm
Last Updated: 08.10.04
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10″x10″ - 4 (1.5″) rebar
  axis y-y or x-x plastic wale
English Metric
Modulus of Elasticity, E 521 418 psi 3 595 MPa
Moment of Inertia, I 777 in4 0.000323 m4
Stiffness, EI 4.05E 08 lb-in2 1 164 kN-m2
Maximum Yield Stress in Bending 5 849 psi 40.3 MPa
Weight 30 lbs/ft to 37 lbs/ft 45 kg/m to 55 kg/m
Specific Gravity 0.71-0.87 0.71-0.87
Compressive Modulus, Ec 241 498 psi 1 655 MPa
Distance from Outer Surface
to Reinforcing Elements		 1.33 in 34 mm
Reinforcing Element Diameter 1.50 in 38 mm
Number of Reinforcing Elements 4 4
Corner Radius 1.8 in 44 mm
Last Updated: 08.10.04
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10″x10″ - 4 (1.625″) rebar
  axis y-y or x-x plastic lumber
English Metric
Modulus of Elasticity, E 585 761 psi 4 039 MPa
Moment of Inertia, I 777 in4 0.000323 m4
Stiffness, EI 4.55E 08 lb-in2 1 307 kN-m2
Maximum Yield Stress in Bending 6 571 psi 45.3 MPa
Weight 31 lbs/ft to 38 lbs/ft 46 kg/m to 56 kg/m
Specific Gravity 0.73-0.89 0.73-0.89
Compressive Modulus, Ec 270 415 psi 1 865 MPa
Distance from Outer Surface
to Reinforcing Elements		 1.26 in 32 mm
Reinforcing Element Diameter 1.63 in 41 mm
Number of Reinforcing Elements 4 4
Corner Radius 1.8 in 44 mm
Last Updated: 08.10.04
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10″x10″ - 4 (1.75″) rebar
  axis y-y or x-x structurally reinforced plastic lumber
English Metric
Modulus of Elasticity, E 652 967 psi 4 502 MPa
Moment of Inertia, I 777 in4 0.000323 m4
Stiffness, EI 5.07E 08 lb-in2 1 457 kN-m2
Maximum Yield Stress in Bending 7 325 psi 50.5 MPa
Weight 31 lbs/ft to 38 lbs/ft 47 kg/m to 57 kg/m
Specific Gravity 0.74-0.91 0.74-0.91
Compressive Modulus, Ec 300 421 psi 2 071 MPa
Distance from Outer Surface
to Reinforcing Elements		 1.20 in 31 mm
Reinforcing Element Diameter 1.75 in 44 mm
Number of Reinforcing Elements 4 4
Corner Radius 1.8 in 44 mm
Last Updated: 08.10.04
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