TU473.14
结合洞庭湖地区大直径钻孔桩施工中遇到的糊钻、孔斜、漏失等问题,论述了一些有针对性的有效措施:螺旋状阶梯翼板钻头、正反循环相结合钻进工艺、双环导正器、平水位钻进等。
韦然.洞庭湖区大直径钻孔桩施工常遇难题及对策[J].钻探工程,2004,31(5):19-21.. Frequently Encountered Difficult Problems and Its Countermeasures in Large Diameter Bored Piles at Dongting Lake Area[J]. Drilling Engineering, 2004,31(5):19-21.