Efficient Expression Method of Foundation Settlement
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摘要: 目前地基沉降影响评估一般只在沉降云图或沉降等值线上手动标出最大沉降和差异沉降,而不详细说明地基基础重点部位的沉降情况,不仅影响成果表达的丰富性和准确性,还不利于了解基础其他部位的沉降情况。提出一种对建筑地基基础各重点部位沉降及差异沉降的高效表达方法,并将该方法应用于实际工程。结果证明,该方法能读取PLAXIS3D软件的数值计算结果,不仅可快速绘制沉降云图、沉降等值线、地基基础重点部位沉降及差异沉降等图件,还可通过将上述图件叠加显示,大大提高成果表达的丰富性和准确性。Abstract: Settlement impact assessment units generally point out the maximum settlement and differential settlement on the settlement cloud map or settlement contour, but do not specify the settlement of key parts of foundation. This method not only affects the richness and accuracy of achievement expression, but also is not conducive to the settlement of other parts of the foundation. An efficient expression method for the settlement and differential settlement of key parts of building foundations was provided, and this method was applied in practical engineering projects. The results show that this method can read the numerical calculation results of PLAXIS3D. It can not only quickly draw the maps such as settlement cloud map, settlement contour, settlement and differential settlement of key parts of foundation, but also greatly enrich the achievement and improve the accuracy by overlaying the above maps.
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Key words:
- foundation /
- foundation settlement /
- numerical analysis /
- settlement cloud map /
- settlement contour
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表 1 假山及阁楼施工工况及对应工期统计表
序号 施工工况 对应工期 1 假山开始填筑至施工至设计标高 第1天—第150天 2 假山填筑完成至开始施工阁楼 第151天—第300天 3 施工阁楼复合地基 第301天—第350天 4 施工主体基础 第351天—第360天 5 施工主体结构 第361天—第530天 6 施工高低平台基础 第531天—第550天 7 施工高低平台 第551天—第670天 8 建筑施工完毕至地基固结沉降稳定 第671天—第1400天 -
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