大直径灌注桩在某市政务办公业务用房项目中的应用

Chief in a City Office Business Application of Large Diameter Bored Pile

某市政务办公用房充分利用勘察报告中的原位测试及各种手段采集的数据,采用⑧层圆砾土作为灌注桩的持力层,采用后注浆的办法来提高单桩承载力,通过静载试验数据表明,方案经济可行,与勘察报告提供的数据基本吻合,力学指标既经济又安全可靠,取得了较好的经济效益。

A city Chief Office with room full using survey report in the of in situ test and the various means collection of data,used layer round gravel soil as perfusion pile of holding force layer,used Hou note pulp of approach to improve single pile hosted force,through static contains test data indicates that,program economic feasible,and survey report provides of data basic anastomosis,mechanical indicators both economic and security reliable,made got better of statistics.