粉喷桩处理饱和黄土地基的研究  

The Study of Saturated Loess Foundation Treated by Dry Jet Mixing

作　　者：孙年祥[1] 王生新[2] 

机构地区：[1]甘肃土木工程科学研究院,兰州730020 [2]兰州大学土木工程与力学学院,兰州730000

出　　处：《工程勘察》2007年第4期11-14,共4页Geotechnical Investigation & Surveying

摘　　要：利用粉喷桩处理软土地基在我国已是较为成熟的一种方法,但是处理饱和黄土地基,在甘肃还是第一次应用,规范中也无相关的计算参数。通过对甘肃尹中高速公路饱和黄土地基采用粉喷桩法处理的路基进行的勘察、原位测试、静载荷试验的研究,对处理效果及方法的适用性进行了评价,对利用粉喷桩处理饱和黄土地基设计参数提出了结论性评价。Using dry jet mixing in soft soil treatment is a well-known method. However, the above method is first used in Gansu province to improve the saturated loess soil and no relative calculation parameters are found in regulations. The application of dry jet mixing and its design parameters were given by investigation, in-situ testing and bearing capacity test on treated saturated loess at Yin-Zhong Expressway in Gansu Province.

关 键 词：粉喷桩 单桩载荷试验 复合地基载荷试验 置换率 

分 类 号：TU472.36[建筑科学—结构工程] TU444[建筑科学—土工工程]