A method for monitoring the uplift of a column pile in deep foundation pit excavation

By constructing 3D display diagrams of the column piles and diaphragm walls in deep foundation pit engineering using Matlab software, the problems of intuitiveness and comprehensiveness of the column pile uplift monitoring results were solved, and the linkage monitoring of the column piles and diaphragm walls was realized, thereby improving the safety and stability of the project.

CN119843719BActive Publication Date: 2025-12-12SHANGHAI CONSTRUCTION GROUP CO LTD +1
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Patent Information

Application Number
CN202411709777.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-12-12
Estimated Expiration
2044-11-27

AI Technical Summary

Technical Problem

In existing technologies, the monitoring results of column pile uplift in deep foundation pit engineering are presented in the form of static data tables, which lack intuitiveness, comparative ability and comprehensiveness. They cannot effectively show the linkage deformation between the column pile and the underground continuous wall, resulting in incomplete monitoring data and blind spots, which affects the assessment of engineering safety and stability.

Method used

A three-dimensional display of the columns and diaphragm walls in the foundation pit was constructed using Matlab software. By setting measuring points, updating the three-dimensional coordinates in real time, meshing, surface fitting, and data visualization, a comprehensive display of the heave of the columns and diaphragm walls was achieved.

Benefits of technology

It enables a comprehensive and intuitive display of the heave of the column piles and diaphragm walls, quickly identifies problem areas, improves the comprehensiveness and accuracy of monitoring, provides precise decision-making basis, and ensures the overall safety and stability of the foundation pit.

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Abstract

The application provides a kind of deep foundation pit excavation column pile heave monitoring method, the monitoring method comprises: S1, based on Matlab software constructs the three-dimensional display graph of the heave condition of column pile and underground continuous wall top in foundation pit;S2, based on the three-dimensional display graph that has been constructed, the heave condition of column pile and underground continuous wall is monitored.The application is displayed by three-dimensional display graph display expression method, which significantly improves the effect of column pile heave monitoring in deep foundation pit engineering.Compared with the traditional static data table, the monitoring method can intuitively display the heave distribution and change trend of column pile, help managers quickly identify abnormal areas and take timely measures, thereby enhancing the safety of the project.In addition, the three-dimensional surface fitting technology effectively compensates for the blind area of fixed monitoring points, realizes the comprehensiveness and accuracy of data, optimizes the real-time monitoring and analysis of the state of column pile, and provides linkage analysis of column pile and underground continuous wall, optimizes construction management and decision-making.
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