摘要:
A pile includes a tapered bottom section of polygon-shaped steel tubing and a top cylindrical section of steel tubing spliced together with a transition ring to form a composite pile, which, after being driven, is filled with concrete.
摘要:
A concrete pile fitted with a special slightly tapered concrete tip of larger area. The tip has a central open socket for receiving concrete poured in after the pile is in place.
摘要:
A screw-on splicer for use in driving composite pipe-shell piles and a screw-on tip for shell piles. Each has an outer diameter at least about 2 inches greater than the O.D. of the shell. An enlarged tip for shell piles, comprises a mass of concrete encased in a non-tapered corrugated shell and having a corrugated shell socket for receiving the shell stem.
摘要:
A concrete pile fitted with a special slightly tapered concrete tip of larger area. The tip has a central open socket for receiving concrete poured in after the pile is in place.
摘要:
A pile comprising a tapered steel tube of convex polygonal cross-section driven into the ground and then filled with concrete provides high load carrying capacity even in cohesive soils.
摘要:
A pile consisting of a tapered bottom section of polygon-shaped steel tubing and a top cylindrical section of steel tubing spliced together to form a composite pile, which, after being driven, is filled with concrete.
摘要:
An expansible pile driving mandrel made up of two arcuate segments, each having a chordal stiffening web and a hydraulic cylinder carried by the web of one segment and passing the web of the other.