数字基坑系统在深大基坑工程中的应用

doi:10.13722/j.cnki.jrme.2014.0246

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摘要随着信息化技术的发展及城市深大基坑工程建设的需求，发展健全的基坑工程的信息化管理系统成为必然。在总结已有的基坑信息化系统的基础上，提出数字基坑系统理念与构架。在此基础上，基于面向对象语言、数据库技术及三维可视化技术，研发一套数字基坑系统，从而实现了现场工程地质条件、监测点、工程结构的三维可视化动态查询与管理，以及现场监测数据的可视化查询与预测分析。将所研发的系统成功地应用于天津文化中心深基坑工程中信息化管理中，并在此基础上根据现场监测数据对复杂深基坑工程中坑角效应、坑中坑等的地连墙变形规律进行了系统的分析，得出一些基本规律。利用系统中的非线性预测功能，根据现场监测数据对未来的发展趋势进行预测，通过与实际监测结果对比表明，系统嵌入的预测方法可以达到很好的预测效果。通过应用表明，所提出的数字基坑理念，将对于推动我国大型基坑工程及其他岩土工程信息化施工具有重要的意义。

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关键词 ：基坑工程, 数字基坑系统, 数据库, 数据可视化, 非线性预测

Abstract：With the development of informationization and requirement of the deep excavation，it is important to develop a strong information management system for the foundation pit engineering. Based on the analysis of the pre-existing foundation pit information system，a new digital foundation pit system was provided. And using the object-oriented language，database technique and 3D visualization technique，a digital foundation pit had been developed in this paper. Through this system，the engineering geological conditions of the engineering area，monitoring points and foundation structures could be queried and managed dynamically in 3D space. Also the monitoring data can be queried visually in sheet or curves，and according the previous monitoring data the developing trend in the future can be predicated conveniently. As an example，the system has been used in the excavation of the foundation pit of the Tianjin cultural centre. According to the analysis of the system，some results have been obtained on the deformation rules of the diaphragm retaining walls during the excavation process. According to the comparison between the predicting and the monitoring results，the prediction method in the system is well. The idea of the digital foundation pit system and the corresponding software developed in this paper，which is very useful for the development of the information construction of the deep excavation and other geotechnical engineering.

Key words： foundation pit engineering digital foundation pit system database data visualization nonlinear forecast

引用本文:

徐文杰1，唐德泓2，谭儒蛟3，张启斌3. 数字基坑系统在深大基坑工程中的应用[J]. 岩石力学与工程学报, 2015, 34(s1): 3510-3517.
XU Wenjie1，TANG Dehong2，TAN Rujiao3，ZHANG Qibin3. APPLICATION OF DIGITAL FOUNDATION PIT SYSTEM IN A DEEP EXCAVATION. , 2015, 34(s1): 3510-3517.

链接本文:

http://www.rockmech.org/CN/10.13722/j.cnki.jrme.2014.0246 或 http://www.rockmech.org/CN/Y2015/V34/Is1/3510

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