某小截面静压预制桩基础施工终止压桩控制研究

The studies of the control for the construction termination pressure to the foundation of small section static pressed prefabricated pile

本文阐述了静压预制桩的沉桩机理 ,通过现场试验 ,分析了压桩力与桩入土深度、桩入土后滞留时间及极限承载力之间的关系。进一步强调施工时的终压力与单桩竖向极限承载力之间的区别 ,并提出场地静压预制桩的终压控制方法。

Elaborate the heavy stake mechanism that static pressed precast concrete pile.Through field test,analyse the relationship between pressure and depth of the pile in soil,stake is burried rear detention time and limiting bearing capacity.Emphasize the difference between limiting bearing capacity of single stake on end and the end pressure in construction suggest that the terminal pressure control method of static prefabricated stake.