Design of Foundation Pit Support Scheme and Stability Evaluation
In order to ensure the safety of foundation pit construction,combined with the geological and environmental conditions of the founda-tion pit,the paper first carries out the overall design of foundation pit support scheme and the calculation of prevention and control measures,and then evaluates the stability of the construction process by deformation prediction based on the deformation monitoring results.The analysis results show that:the supporting measure1 is suitable for supporting zone 1,using"single row supporting pile + three-layer anchor rod";Support measure 2 applies to support area 2,using"single row support pile + two-layer anchor bolt".At the same time,through deformation prediction,it is found that the subsequent deformation rate of the monitoring points gradually tends to decrease,that is,the cumulative deform-ation tends to be stable,and the cumulative deformation range is19.81～22.77mm,which is also within the deformation control value range.Therefore,the stability of the foundation pit construction process is very good.
Foundation pitSupport schemeDeformation predictionStability
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