China University of Geosciences,Wuxi Jinfan Drilling Equipment Co., Ltd.,Wuxi Drilling Tools Factory
Clc Number:
P634.4
Fund Project:
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Abstract:
By the analysis on the construction process of enlarge head anchor in soil, the boring tool suitable to hole-enlarging was designed. The practice shows that the tool can solve the construction difficulties of enlarge head anchor in soil with high efficiency and low cost.