【摘要】 针对湛江海湾大桥钻孔施工的难题,论述如何改进刮刀钻头使之适应硬塑粘土层钻孔施工的需要,通过工程实践证明达到了理想的效果。更多还原

【Abstract】 With reference to the difficulties encountered during boring construction of foundations of Zhanjiang Bay Bridge, this paper describes and discusses how to improve drag bit to make it adapt to the boring construction in hard plastic clay stratum. The practical construction proves that satisfactory results from the improvement have been achieved.更多还原