煤矸石地质条件下人工挖孔灌注桩施工关键技术

The construction key technology of artificially excavated cast-in-place pile under the coal gangue geological condition

针对煤矸石地质条件下人工挖孔灌注桩施工,结合工程实例,对施工难点进行了详细分析,通过施工总结,提出了该类工程施工的关键技术,为今后类似工程的施工提供一些借鉴。

According to the artificially excavated cast-in-place pile construction under the coal gangue geological condition, combining with the engineering example, this paper analyzed in detail the construction difficulties. Through the construction summary, put forward the key technolo-gies of this kind of engineering construction, provided some references for future similar engineering.