地铁车站钢筋混凝土支撑轴力监测值修正研究

The Study on the Correction of the Monitoring Value of Reinforced Concrete Support Axial Force In Subway Stations

地铁车站基坑开挖过程中,经常出现钢筋混凝土支撑轴力监测值报警的情况,但基坑的其他监测指标均安全可控。文章对某地铁车站开挖施工时钢筋混凝土支撑轴力监测值严重超过轴力设计值进行研究,对支撑轴力监测数据的各项误差影响进行定量修正,提出更加合理的监测预警值,保证监测数据的真实性和指导性。

During the excavation of subway station, the monitoring value of reinforced concrete support axial force often appears alarm, but the other monitoring indexes of the foundation pit are safe and controllable. In this paper, a study about the monitoring value of reinforced concrete strut axial force serious more than axial force design value in the excavation construction of a metro station is made, the error effects of the strut axial force monitoring data are fixed quantitatively, and more reasonable early warning values of monitoring is put forward to ensure the authenticity and instructive of monitoring data,