A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Deep foundation pit excavation method
The invention discloses a deep foundation pit excavation method which comprises the following steps: S1, inputting conditions before deep foundation pit excavation based on a convenient CAD (Computer Aided Design) graphic input form to obtain a geometric graphic model; s2, automatically generating a three-dimensional foundation pit building model by the input geometric figure model through PLAXIS; s3, the generated foundation pit building model is analyzed according to a finite element model of PLAXIS, and a deformation result of the deep foundation pit excavation process is obtained through simulation; and S4, excavation of the deep foundation pit is achieved through the obtained three-dimensional foundation pit building model and the simulated deformation result of the deep foundation pit excavation process. According to the method, the influence result of each construction stage of foundation pit excavation on the foundation pit supporting structure, the surrounding soil body and the adjacent tunnel station is predicted and analyzed through the finite element model, and the construction efficiency is improved.
本发明公开了一种深基坑开挖方法，包括：步骤S1，基于便捷的CAD图形输入形式输入深基坑开挖前的条件，得到几何图形模型；步骤S2，输入的几何图形模型通过PLAXIS自动生成三维基坑建筑物模型；步骤S3，根据PLAXIS的有限元模型对生成的基坑建筑物模型进行分析，模拟得到深基坑开挖过程的变形结果；步骤S4，通过得到的三维基坑建筑物模型和模拟的深基坑开挖过程的变形结果进而实现对深基坑的开挖。本发明通过有限元模型预测分析了基坑开挖的各施工阶段对基坑支护结构、周围土体和临近隧道车站的影响结果，提高了施工效率。
Deep foundation pit excavation method
The invention discloses a deep foundation pit excavation method which comprises the following steps: S1, inputting conditions before deep foundation pit excavation based on a convenient CAD (Computer Aided Design) graphic input form to obtain a geometric graphic model; s2, automatically generating a three-dimensional foundation pit building model by the input geometric figure model through PLAXIS; s3, the generated foundation pit building model is analyzed according to a finite element model of PLAXIS, and a deformation result of the deep foundation pit excavation process is obtained through simulation; and S4, excavation of the deep foundation pit is achieved through the obtained three-dimensional foundation pit building model and the simulated deformation result of the deep foundation pit excavation process. According to the method, the influence result of each construction stage of foundation pit excavation on the foundation pit supporting structure, the surrounding soil body and the adjacent tunnel station is predicted and analyzed through the finite element model, and the construction efficiency is improved.
本发明公开了一种深基坑开挖方法，包括：步骤S1，基于便捷的CAD图形输入形式输入深基坑开挖前的条件，得到几何图形模型；步骤S2，输入的几何图形模型通过PLAXIS自动生成三维基坑建筑物模型；步骤S3，根据PLAXIS的有限元模型对生成的基坑建筑物模型进行分析，模拟得到深基坑开挖过程的变形结果；步骤S4，通过得到的三维基坑建筑物模型和模拟的深基坑开挖过程的变形结果进而实现对深基坑的开挖。本发明通过有限元模型预测分析了基坑开挖的各施工阶段对基坑支护结构、周围土体和临近隧道车站的影响结果，提高了施工效率。
Deep foundation pit excavation method
一种深基坑开挖方法
LUO WEIBO (author) / LI LONG (author) / WU KAI (author) / TONG LIYUAN (author) / TAO WENCHENG (author) / LIU LEI (author)
2024-11-22
Patent
Electronic Resource
Chinese
Bridge foundation deep foundation pit excavation construction method
| European Patent Office | 2023