Abstract
This paper uses numerical simulation software to study the bearing characteristics of screw pile with pitch after installation. The selected soil is single layer sandy soil, and the blade is buried in deep burial mode. Based on the numerical simulation results, the vertical bearing characteristics of single spiral pile and ordinary bladeless pile are compared, and the excellent compression and pull-out characteristics of spiral pile are revealed. Then, the influences of different pitch sizes, blade diameters, tilt angles, blade numbers and blade spacing on spiral single pile were compared and analyzed. The results show that single screw pile has higher bearing capacity and bearing efficiency. The vertical bearing capacity of single inclined screw pile has no obvious improvement compared with that of straight pile.
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