高压旋喷桩复合地基承载力研究

Research on the Bearing Capacity of High-pressure Rotary Jet Grouting Pile Composite Foundation

为促进符合地基承载力的提升,引入高压旋喷桩施工工艺,开展在该工艺应用下符合地基承载力的探究。以惠清项目桥梁桩工程施工建设状况为背景,高压旋喷桩复合地基施工处理技术方案形成、建立高压旋喷桩复合地基承载力计算模型。通过形成高压旋喷桩,开展高压旋喷桩施工与加固工作,最后对复合地基承载力进行计算。通过研究得出,高压旋喷桩的应用可以有效促进复合地基承载力的提升,并且大部分承载力作用在高压旋喷桩的上部。

In order to promote the improvement of the bearing capacity of the foundation,the high-pressure rotary jet grouting pile construction technology is introduced,and the exploration of the bearing capacity of the foundation under the application of this technology is carried out.Taking the construction status of the bridge pile engineering in the Huiqing project as the background,the construction and treatment technology scheme of the high-pressure rotary jet grouting pile composite foundation is formed,and a calculation model for the bearing capacity of the high-pressure rotary jet grouting pile composite foundation is established.By forming high-pressure jet grouting piles,carry out construction and reinforcement work of high-pressure jet grouting piles,and finally calculate the bearing capacity of the composite foundation.Through research,it has been found that the application of high-pressure rotary jet grouting piles can effectively promote the improvement of the bearing capacity of composite foundations,and most of the bearing capacity acts on the upper part of high-pressure rotary jet grouting piles.