This paper introduces boring method of bored and bottom-enlarging mudjack pile in dry operation. 本文简单介绍了干作业钻孔扩底桩的成孔处理方法。
The current viewpoints on the modifying coefficient problem of end-bearing resistance of large diameter belled piles are different. 目前人们对大直径扩底桩端阻力折减问题有不同的看法。
