钻孔灌注桩后注浆技术实践及其效果分析

Practice of Post-grouting Technology for Bored Pile and the Effect Analysis

摘要:

介绍了郑州广发花园二期·格林融熙国际大厦钻孔灌注桩后注浆的施工工艺及单桩静载试验结果；并通过该工程钻孔灌注桩后注浆施工的经济效益分析，阐明了后压浆技术是提高钻孔灌注桩单桩承载力的一项有效措施，具有良好的技术经济效益。

Abstract:

The construction of post-grouting technology for bored pile in Zhengzhou is presented with the static loading test results of a single pile; and by the economic benefit analysis on the post-grouting for bored pile construction, it is elucidated that post-grouting technology is an effective measure to improve bearing capacity of single bored pile with good technical and economic benefits.