Application of composite pile foundation in waterway revetment
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Abstract:
Due to the economics of composite pile foundations,it has received more and more attention in recent years,but it has been less used in waterway revetment projects. The reason is that the force of composite pile foundations with low pile caps on waterway revetments is more complicated and technically difficult.By analyzing the vertical bearing capacity and horizontal bearing capacity of the composite pile foundation of low pile caps retaining wall of waterway revetments,the design control principle of the composite pile foundation is proposed:1) Vertical overall safety K≥2,fulfilled rate of subsoil bearing capacity ψ≥0.5. 2) Pile and soil jointly bear horizontal force. The design method and procedures of the composite pile foundation of waterway revetments is formulated to provide a reference for similar projects.