可变式支盘扩底注浆桩技术

Technique of Variable Under-Reamed Grouting Pipe on Bearing Disk

介绍了一种能提高单桩承载力、节约材料、缩短工期的新型桩——可变式支盘扩底注浆桩的工作原理、承载力计算方法及施工工艺 ,并通过工程实例进一步说明了该桩的特点。

This paper introduces the working principles, bearing capacity's calculating methods and construction technologies of a new type of pipe, variable under-reamed grouting pipe on bearing disk, which can increase pipe capacity, economize on materials and shorten construction period, and further illustrates the features, economical benefit and social benefit of this pipe through actual engineering example.