While working for a slurry wall company I did a cement bentonite ditch and sat precast panels where a train track ran under a rapid transit bridge so a derailment would not bring down the bridge. A long version would be cost prohibitive for the risk.
I need to do eqn. 9.3-3 in ASD. My LRFD version of it has a phi of 0.75. Is the eqn. the same for ASD and what is omega so I can replace phi with 1/omega?
27-1031(b)(1) provided that structures adjacent to an excavation site had to be underpinned or protected by other means by the "person causing the excavation" when the excavation was 10 ft. or more below curb level. In contrast, the adjacent property owner had to protect his own property when...
Broms' 1965 lateral calcs will give you pipe size. Most supports are helical piles as proper helix selection allows uplift capacity at about same depth as lateral. You need soil report or test piles, wind speed from ASCE7 and racking manufacturer to get mounting and single leg or front and...