This paper introduces boring method of bored and bottom-enlarging mudjack pile in dry operation. 本文簡單介紹了干作業鑽孔擴底樁的成孔處理方法。
The current viewpoints on the modifying coefficient problem of end-bearing resistance of large diameter belled piles are different. 目前人們對大直徑擴底樁端阻力折減問題有不同的看法。
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