Practical Application of Steel Support Servo System in Foundation Pit of Weak Stratum
Subway open-cut station is a narrow and long foundation pit,the depth is generally about 20 m.If it is in the soft soil layer,the ax-ial force of the steel support may be lost due to the deformation of the foundation pit,which is easy to cause safety accidents.In order to ensure the safety of foundation pit,the paper takes a subway station of Nanjing Metro Line 7 as an example to analyze the practical application of steel support servo system in weak ground foundation pit.The practice shows that the axial force servo system can make the horizontal displacement of the enclosure structure meet the requirements of foundation pit deformation and environmental protection,and the effect is obvious.
Axial force servo systemAutomatic compensationDeformation control
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