T ABLE 4 POSTS and TIMBERS (5” X 5” and LARGER) 7)$4(./ 4
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8-20 10-1 975 800 450 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 EASTERN SPRUCE EASTERN ?$: $: 1300 1050 600 975 800 450 Grade EASTERN WHITE Sel. Str. PINE No. 1 No. 2 Species or Group Extreme Fiber Stress in Bending “Fb” Single Member 875 700 400 675 550 300 650 525 300 Tension Parallel to Grain “Ft” 155 155 155 135 135 135 125 125 125 Horizontal Shear “Fv” 555 555 555 390 390 390 350 350 350 1000 875 400 775 675 300 725 625 325 Compression Perpen- Parallel dicular to Grain “FcA” “Fc//” POSTS and TIMBERS (5” X 5” and LARGER) >? ? 5 ??$: [&_Q[&QQ[''QF` Grades Described in para. 26.0-26.3 TABLE 4 8 10 1,200,000 1,200,000 900,000 1,400,000 1,400,000 1,000,000 1,100,000 1,100,000 900,000 Modulus Elasticity “E” 10-1 8-21 1150 950 550 1250 1000 575 850 675 400 1000 800 475 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 ? PINE @ ? WHITE CEDAR @O[V (Eastern Spruce Red Pine Jack Pine Balsam Fir) 1250 1050 600 Sel. Str. No. 1 No. 2 EASTERN ?$: 8 675 550 325 575 450 250 825 675 375 800 650 375 850 700 400 125 125 125 115 115 115 125 125 125 135 135 135 155 155 155 335 335 335 370 370 370 305 305 305 435 435 435 550 550 550 700 625 425 650 550 250 1000 875 400 900 800 375 1000 875 400 1,200,000 1,200,000 1,000,000 700,000 700,000 600,000 1,400,000 1,400,000 1,100,000 1,300,000 1,300,000 1,000,000 1,200,000 1,200,000 900,000 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 RED MAPLE MIXED MAPLE Grade RED PINE Species or Group 8-22 10-1 1100 875 500 1400 1150 650 1150 925 525 Extreme Fiber Stress in Bending “Fb” Single Member 725 600 350 925 750 425 775 625 350 Tension Parallel to Grain “Ft” 180 180 180 195 195 195 125 125 125 Horizontal Shear “Fv” 620 620 620 615 615 615 410 410 410 750 650 300 950 825 375 875 775 350 Compression Perpen- Parallel dicular to Grain “FcA” “Fc//” POSTS and TIMBERS (5” X 5” and LARGER) >? ? 5 ??$: [&_Q[&QQ[''QF` Grades Described in para. 26.0-26.3 TABLE 4 (Continued) 8 10 1,100,000 1,100,000 900,000 1,500,000 1,500,000 1,200,000 1,400,000 1,400,000 1,100,000 Modulus Elasticity “E” 10-1 8-23 1550 1250 725 1250 1000 575 1250 1000 575 1500 1200 700 1300 1050 600 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 Sel. Str. No. 1 No. 2 $? $? ?$: ; : : ? : >?: 8 875 700 400 1000 800 475 850 675 400 850 675 400 1050 850 475 205 205 205 205 205 205 155 155 155 155 155 155 180 180 180 800 800 800 885 885 885 820 820 820 800 800 800 715 715 715 950 825 400 1000 875 400 875 775 350 875 775 350 1050 900 425 1,000,000 1,000,000 800,000 1,300,000 1,300,000 1,000,000 1,200,000 1,200,000 1,000,000 1,000,000 1,000,000 800,000 1,500,000 1,500,000 1,200,000