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锚杆粉喷桩复合地基是一种具有较高抗拔抗压承载力的新型复合地基形式。本文探讨了锚杆粉喷桩的抗拔承载机理 ,提出了确定锚杆粉喷桩上拔承载力的理论公式和根据试验成果确定其抗拔承载力标准值的方法。
The composite foundation of DJM pile is a new type of composite foundation with high anti-drawing and compressive bearing capacity. In this paper, the mechanism of anti-uplift and bearing capacity of bolting powder injection pile is discussed. The theoretical formula for determining the bearing capacity of bolting cement injection pile and the method to determine the standard value of anti-pull bearing capacity are put forward.