挤扩多支盘灌注桩及其施工技术

Dilating Multiple Foundation Piles and its Construction Techniques

介绍了挤扩多支盘灌注桩 (简称支盘桩 )的形状特征和施工工艺 ,分析了支盘桩的受力机理 ,通过对一应用实例及其静载荷试验结果的分析 。

This article introduces the features of the multiple foundation piles with congruting concrete and its construction techniques, and analyses the mechanism how the piles bear external forces; Based on the analysis of an application instance and the testing result with dead load , it clarifies the explicit economic benefits and technical advantage of this new kind of foundation piles.