基坑开挖

基于极大似然估计的BP算法及其在深基坑开挖参数辨识中的应用

An improved BP algorithm and its application to parametric identification in deep foundation excavation

ANSYS二次开发技术在深基坑开挖过程中的应用

Application of ANSYS Secondary Development Technology in Excavation of Deep Foundation Pits

土质基坑开挖围护平面钢结构支撑CAD系统的研究

A study on CAD system of foundation pit steely retaining structure

接着采用ANSYS有限元分析软件，建立二维分析模型，模拟车站基坑开挖，得到开挖过程中的内力和位移。

Then , using ANSYS , the finite element analysis software to establish two-dimensional model to simulate the station excavation .

通过有限元数值分析软件ANSYS对深基坑开挖与土钉支护的全过程进行了模拟。

The whole procedure of a foundation pits excavation and its soil-nailing support is simulated with the FEM software ANSYS .

深基坑开挖对PHC桩的保护措施分析

The analysis of the measures taken to dig deeply to protect PHC pile

平喷锚网支护技术在深基坑开挖中的应用深基坑开挖工程多层土体物性参数识别的BP法

AN INVESTIGATION OF DEEP FOUNDATION EXCAVATION WITH SPRAYED CONCRETE STRENGTHENED WITH ANCHOR BAR An artificial neural network method for parametric identification in deep foundation excavation

本文以有限元和BP神经网络为基础，进行基坑开挖内力和变形的正反演分析。

The positive-back analysis of the internal forces and deformation of the deep excavation is studied based on the finite element and BP neural network method .

基坑开挖与支护FLAC数值模拟计算及分析

FLAC calculation and Analysis on excavation and support of a foundation pit

基坑开挖与土钉支护的FLAC程序分析

Analysis on Excavation of Foundation Pit and Soil Nailing Support with FLAC Program

ANSYS软件已成功应用于上海地铁1号线上海南站车站改建工程地下结构的深基坑开挖施工工程中。

ANSYS software has been applied successfully in construction of deep foundation pit excavation in Shanghai South Station reconstruction project of Shanghai Metro Line No 1 .

基于弹性地基有限元法，利用等效文克尔弹性地基梁模型，采用模块化处理方式模拟基坑开挖的各种影响因素，编制C语言有限元分析程序对围护结构进行分析计算。

Based on the principle of finite element method on elastic foundation , using equivalent model of winkle beam on elastic foundation , a computing program has been programmed by turbo C. And modular simulation is adopted for simulating different factors to affect the excavation .

分析了基坑开挖后无支护计算及模拟情况，根据工程的实际情况，介绍了基坑开挖后组合支护工程的设计及计算，并利用有限元分析软件ANSYS进行了变形模拟，得出了一些结论。

It analyzes calculation of no-support after digging and its simulation , and introduces design and calculation of composite support according to practical condition of engineering , simulates its deformation applying for ANSYS and obtains some conclusion .

厚1m、深36m的地下连续墙一墙二用，既作基坑开挖的挡土与防渗墙，又作结构承重墙。

1m thick and 3.6m deep underground continuous wall is used as both retaining & water-penetration resistance wall and load bearing structure wall .

对本文有限元计算所涉及的Mohr-Coulomb弹塑性本构模型、单元类型以及基坑开挖有限元模拟进行了简要的理论分析。

The Mohr-Coulomb elastic-plastic stress-strain relation model , element types and the basic theory for simulating the foundation pit excavation with the finite element method is analyzed in this paper .

基于北京地区深基坑开挖的实例，对多层土加两道钢支撑一道锚杆情况做了相应的FLAC数值模拟计算及分析。

Combined with the practical conditions in Beijing deep excavation , the instance of the multi-soil with two steel supports and one anchor was calculated and analyzed by FLAC in this article .

本文用DruckerPrager模型和基于直接约束的接触算法模拟了超深嵌岩地下连续墙支护深基坑开挖全过程。

All thirteen excavation stages of a super deep foundation pit braced by rock-socketed diaphragm wall are simulated in this article using Drucker-Prager soil model and contact algorithm based on direct control method .

提出了一种深基坑开挖弹塑性有限元分析模型以及建立在该模型基础上的WHP反演算法和预报方法。

A kind of elastic plastic modulus of soils in the deep excavation pit is presented , and a WHP back analysis model and the displacement prediction method of retaining wall are given .

三峡工程厂房基坑开挖中，大部分坝段坝趾下游形成高达10～80m的临空陡坡，其中部分地段长大缓倾角结构面较发育，与临空面组合构成坝基潜在滑移面。

During the power-house foundation of the Three Gorges projet , a 40 ~ 80 m high steep slope will be formed on downstream side of the damtoe rock monolith where large low dip angle joints constitute potential sliding surface of the dam foundation .

针对基坑开挖对临近地下管线的影响这一课题，利用Winkler弹性地基梁理论，建立了受基坑开挖影响的地下管线竖向位移与水平位移方程；探讨了地下管线位移按两端固定支座梁计算的合理性；

The research is conducted in this paper on the effect of deep excavation on the nearby underground pipeline , as follows : firstly , based on the elastic theory of Winkler , the equations of vertical and horizontal displacements of underground pipeline affected by deep excavation are founded ;

浙江省外经贸联建大楼位于杭州市区，基坑开挖深度9.45m～11.8m，周围环境较复杂。

The Zhejiang Foreign Economic Relations and Trade Building is located in the suburbs of Hangzhou . The depth of excavation ranges from 9.45 m to 11.8 m , and the surrounding environments are very complicated .

拱形支护结构在深基坑开挖中的应用

The application of arched retaining structure in deep foundation pit excavation

成层土中基坑开挖降水引起的地表沉降分析

Analysis of settlement induced by dewatering during excavation in layered soil

基坑开挖对下方既有地铁影响数值分析

Numerical Simulation Analysis for Influence of Overhead Excavation on Existing MTR

基坑开挖中水土压力的探讨

Discussion on water and earth pressures in a foundation pit excavation

地铁盾构施工对相邻深基坑开挖的实测影响分析

Analysis of observed effect of shield tunneling on adjacent deep excavation

深基坑开挖周边土体沉降形态的模拟研究

Simulations on settlement of surrounding ground of deep excavation on pit

深基坑开挖引起的土体变形模拟

Simulation of soil deformation due to excavation of deep foundation pit

离心模型试验模拟基坑开挖的一种新方法

A new method for simulation of excavation in centrifugal model test

深基坑开挖中圆形支护结构性状分析

Analysis on the circle - style retaining structure for deep excavation