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降雨条件下地基承载力检测技术研究

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为综合检测降雨条件下的地基承载力,文章总结归纳了目前发展应用的地基检测技术,并结合降雨环境因素对24 h降水量为25.6 mm的某工程地基承载力进行检测,为较好地检测地基承载力,文章采用静力触探法这一原位试验法,对同一地基土层利用三组检测数据做加权平均分析,分析了降雨前后地基承载力的区别,并通过现场检测数据分析降雨后该项目工程的地基承载力变化情况.检测结果表明,静力触探试验法可良好应用于降雨条件下的地基承载力检测;降雨条件使地基承载力产生不同程度的损伤,黏性土损伤最大达到3.58%,杂填土损伤为1.72%.
Research on Detection Technology of Foundation Bearing Capacity under the Rainfall Condition
In order to comprehensively detect the bearing capacity of foundation under the rainfall condition,this paper summarizes the current developed and applied foundation detection technology,and combines the rainfall environmental factors to detect the foundation bearing capacity of a project with 24 h precipitation of 25.6 mm.In order to better detect the bearing capacity of foundation,it adopts the in-situ test method of static contact method,and uses three groups of detection data to do weighted average analysis on the same foundation soil layer.The difference of foundation bearing capacity before and after rainfall is analyzed,and the change of foundation bearing capacity of the project after rainfall is analyzed through field detection data.The detection results show that the static contact test method can be well applied to the detection of foundation bearing capacity under the rainfall condition;rainfall condition cause different degrees of damage to the bearing capacity of the foundation,the maximum damage of cohesive soil is 3.58%,and the damage of miscellaneous fill is 1.72%.

rainfall conditionfoundation bearing capacity detectionstatic contact test method

刘勇、张建昀

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深圳市勘察研究院有限公司,广东 深圳 518031

降雨条件 地基承载力检测 静力触探试验法

2024

工程技术研究
广州钢铁企业集团有限公司

工程技术研究

影响因子:0.081
ISSN:2096-2789
年,卷(期):2024.9(15)