Research Article

Investigation of the Axial Force Compensation and Deformation Control Effect of Servo Steel Struts in a Deep Foundation Pit Excavation in Soft Clay

Table 3

Statistics of the axial force of hydraulic servo strut.

Number of servo steel strutsSet axial force (kN)Minimum temperature (°C)Maximum temperature (°C)Minimum axial force (kN)Maximum axial force (kN)Change in rate (kN/°C)

SF1-3130030.7545.442131.52563.929.4
SF2-3132030.7545.751999.42291.319.5
SF3-3112030.7545.621360.21753.126.4
SF4-3116030.7545.441596.82007.428.0
SF5-3108030.7545.621328.71696.424.7
SF6-376030.7546.19878.21200.020.8
SF7-3104030.7545.441174.81638.231.5
SF8-3102030.7545.751038.31285.316.5
SF9-369630.7545.62687.0908.414.9