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项目基坑支护数值模拟分析研究

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研究通过现场监测值与模拟值分析总结发现,地表沉降中最受影响的位置是靠近基坑的位置,但在理论影响范围外,仍会对地表造成一定影响;基坑顶部竖向位移变化均匀,水平位移变化向基坑内侧移动,且该基坑整体水平位移变形较小;锚杆轴力分布是非均匀分布的,接近锚固段根部的位置,其受力几乎为零,基坑坑壁中部轴向受力大于两侧的轴向受力.
NUMERICAL SIMULATION ANALYSIS OF PROJECT FOUNDATION PIT SUPPORT
Through the analysis and summary of on-site monitoring values and simulation results,it was found that the location near the foundation pit is still the most affected by surface settlement.However,outside the theoretical influence range,it still has a certain impact on the surface;the vertical displacement at the top of the foundation pit changes uniformly;the horizontal displacement changes basically move towards the inner side of the foundation pit,and the overall horizontal displacement deformation of the foundation pit is very small;the axial force distribution of anchor rods is non-uniform,and the force near the root of the anchoring section is almost zero.The axial force in the middle of the foundation pit wall is greater than that on both sides.

on site monitoringmidas GTS numerical simulationdeformation law

项建龙、谢晓琴、高鑫阳、杨超、耿欣欣、王泽亮

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中建二局第三建筑工程有限公司,北京 100070

现场监测 midas GTS数值模拟 变形规律

2024

建筑技术开发
北京市建筑工程研究院

建筑技术开发

影响因子:0.351
ISSN:1001-523X
年,卷(期):2024.51(11)