利用预埋超声波测试管压浆补强福建省第一地质工程公司高杨，吕尚顺钻孔灌注桩因清孔不彻底而造成孔底沉渣超规范的现象十分普遍，严重影响桩基的承载力。由于是隐蔽工程，孔底实际情况难以估计。如通过抽心验桩再采取措施补救，将造成人力、物力、财力的极大损耗。针对这... Utilizing embedded ultrasonic test tubes for grouting and reinforcing Gao Yang and Lu Shangshun, the first geo-engineering company of Fujian Province, the phenomenon of over-standard sediments at the bottom of the hole due to incomplete cleaning of the hole is very common, which seriously affects the bearing capacity of the pile foundation. Because it is a hidden project, the actual situation at the bottom of the hole is difficult to estimate. If measures are taken to remedy the accident by taking a heart test, great loss of human, material and financial resources will result. For this...