低桩基础的垂直承载力 English Version
Vertical Bearing Capacity of Piles with the Spot Footing
-
摘要: 低桩基础垂直承载力问题,实质是一个桩土共同承担外荷载的问题。土直接承担外荷载的大小与桩距、桩长和土的物理力学性质有关。本文以实测资料为依据,对桩土共同作用问题进行了分析研究,提出了简单实用的近似计算方法,并初步探讨了低桩基础在工作过程中底板与基土可能发生脱空的问题。Abstract: The vertical bearing capacity of piles with spot footing in nature is a problem of undertaking the load action by piles in cooperation with soil. The value of the load directly undertaken by the soil depends upon the pile depth, pile spacing and physical and mechanical properties of the soil. Based on the data obtained from field tests, in this paper author analyses the bearing capacity of piles in cooperation with soil, proposes a simple practical approximate method of calculation, and discusses the problem of separation of soil from spot footing in their working process.