Study on the evaluation of the allowable bearing capacity of soft ground in loess ravine regions;
黄土沟壑区湿软地基容许承载力评价研究
Based on the basic theory of plate loading test,the allowable bearing capacity can be predicted by the relative settlement ratio method.
通过建立反分析模型，提出强夯后地基土变形模量的确定方法，即可根据计算所得的夯沉量随变形模量变化的关系曲线，运用单值反分析法，以达到夯实效果时的单击夯沉量来确定，进而结合载荷实验的基本理论，按相对沉降法预测夯后地基土的容许承载力。
This paper introduces the structure and testing method of recently developed laboratory static plate load testing instrument, Also, it introduces the method to determine the allowable bearing capacity and deformation modulus of the building foundation soil using the instrument.
本文介绍了新研制的室内静力载荷测定仪的结构和试验方法,以及用测定仪试验确定建筑地基容许承载力和变形模量。
Combines with the practical project,it proposed the choice method of safety coefficient when confirming the foundation permitting bearing capacity use the theoretical formula based on the comparison and analysis of foundation permitting bearing capacity,critical load and ultimate load.
结合工程实际通过对基地容许承载力、临界荷载、极限荷载的对比分析,提出利用理论公式确定地基容许承载力时安全系数的选用方法,在施工中具有一定的参考价值。
That is to say,the lateral stress acting on the surroundings below the sliding surface transferred from piles was required to be no larger than the lateral allowable bearing capacity supplied by stratum.
工程上一般采用通过控制滑动面以下锚固段桩周地层的强度来设计抗滑桩的锚固深度,即要求抗滑桩传递到滑动面以下地层的侧壁压应力不大于地层的侧向容许承载力。
