2001 ASD Supplements - unprotected PDF - American Wood Council

ASD TIMBER POLES AND PILES SUPPLEMENTPP-13Table 4.1Design Values for Poles Graded in Accordance withASTM D3200Design values in pounds per square inch (psi)Compression Compressionperpendicular parallel Modulus ofBending Shear to grain to grain Bearing ElasticitySpecies F b F v F c⊥ F c F g EPacific Coast Douglas-Fir 1850 115 375 1000 1200 1,500,000Jack Pine 1500 95 280 800 875 1,070,000Lodgepole Pine 1350 85 240 700 875 1,080,000Northern White Cedar 1050 80 225 525 675 640,000Ponderosa Pine 1300 90 320 650 825 1,000,000Red Pine 1450 85 265 725 800 1,280,000Southern Pine 1700 105 320 900 1125 1,400,000Western Hemlock 1650 115 245 900 950 1,310,000Western Larch 2050 120 375 1075 1125 1,460,000Western Red Cedar 1350 95 255 750 1200 940,0004DESIGN VALUESTable 4.2Design Values for Treated Round Timber Piles Graded in Accordancewith ASTM D25Design values in pounds per square inch (psi)Species F c F b F v F c⊥ EPacific Coast Douglas Fir 1 1250 2450 115 230 1,500,000Red Oak 2 1100 2450 135 350 1,250,000Red Pine 3 900 1900 85 155 1,280,000Southern Pine 4 1200 2400 110 250 1,500,0001. Pacific Coast Douglas Fir design values apply to this species as defined in ASTM Standard D1760-86. For connection design use Douglas Fir-Larch designvalues.2. Red Oak design values apply to Northern and Southern Red Oak.3. Red Pine design values apply to Red Pine grown in the United States. For connection design use Northern Pine design values.4. Southern Pine design values apply to Loblolly, Longleaf, Shortleaf, and Slash Pines.AMERICAN FOREST & PAPER ASSOCIATION