高压旋喷桩在海南滨海地区软基加固中的应用

The application of high pressure spraying pile in littoral area soft foundation reinforcement in Hainan

通过对高压旋喷桩加固软土地基原理的阐述,分析了高压旋喷桩加固软土地基后对地基承载力的影响,并结合海南东环铁路桥涵软基处理实例,介绍了高压旋喷桩的布桩原则、施工工艺及施工质量控制等方面的一些做法,并对试验结果进行了分析,以推广旋喷桩在滨海地区软弱地基中的广泛应用。

Through illustrating of high pressure spraying pile in soft foundation reinforcement mechanism, the influences of spraying pile in soft foundation reinforcement on foundation bearing capacity was analyzed. Combined with Donghuan railway bridge soft foundation treating examples in Hainan, some methods of the pile layout principle, construction technology and construction quality control of high pressure spraying pile were introduced, the results were analyzed so as to popularize spraying pile comprehensive application in littoral area soft foundation.