Guidelines for Utility ExcavationsCornell University, 1996 - 554 pages |
Contents
Chapter Page | 6 |
TIMBER PROPERTIES | 6 |
EXCAVATION SAFETY REGULATIONS 5 | 6 |
Copyright | |
8 other sections not shown
Common terms and phrases
8.1 for limitations aluminum hydraulic shores apparent earth pressures Appendix ASTM bw x dw calculated Chapter cohesionless soils cohesive soils compressive strength compressive stress design pressure design tables Design Values Douglas Fir dw lever earth pressure diagrams equivalent strength properties Excavation Depth factor Figure ft max granular soils gravel Hardwood horizontal I-beams installed KAYH lateral pressures live load loam lumber with equivalent Maximum Allowable Slopes MCmax Mixed Oak OSHA standards Oslo plate lining systems procedures professional engineer recommended requirements sheet piles shoring systems silt silty clay sloping and shoring soil classification soil type Southern Pine Spacing for Max stability numbers steel Stiff Clay stresses strut loads Struts and Wales Subpart surcharge tabulated data Terzaghi and Peck timber support systems trench boxes trench depth Trench Horiz trench walls Trench Width Tschebotarioff Type A soils Upright Spacing utility excavations vertical Wales Wale Upright water table Well-graded Yokel