CAJ | 학술논문

嵌岩扩底桩是一种端承型基桩，桩底沉渣的厚度直接影响基桩的承载力。某工程设计为嵌岩扩底桩，采用了旋挖机械清渣施工方法。实践证明，机械清渣能减少施工工序，提高施工效率，保证桩的施工质量。
감암확저장시일충단승형기장，장저침사적후도직접영향기장적승재력。모공정설계위감암확저장，채용료선알궤계청사시공방법。실천증명，궤계청사능감소시공공서，제고시공효솔，보증장적시공질량。
Rock embedded bottom-enlargement pile is a kind of end bearing pile, the thickness of sediment at the pile bot-tom has direct impact on the bearing capacity of pile foundation.The paper introduces an engineering of rock embedded bottom-enlargement pile which is constructed by sediment clearing with rotary drilling machine.It is proved by practice that sediment cleaning with rotary drilling machine can reduce construction procedure, improve the efficiency of construction and ensure the construction quality of pile.