【摘要】 论述利用超声波对钢筋混凝土钻孔桩成孔质量检测的工作原理及其在大直径钻孔灌注桩中的应用。通过工程实例,介绍成孔质量状况的判读方法和成孔参数的计算方法,分析成孔质量对钻孔灌注桩基础的成桩质量的影响因素。更多还原

【Abstract】 It presents the principle of quality inspecting for the drilled-hole pills through the ultrasonic waves and application measure of ultrasonic inspecting technology in large-diameter drilled-hole concrete-cast pill.It introduces the estimating method of drilled-hole quality and calculating method of drilled parameters,and analyzes influencing factors of the drilled-hole quality on the quality of drilled-hole cast pill basement.更多还原