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邻近深基坑的高边坡稳定性动态监测及加固施工探析

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文中以福建省龙岩市某大型基坑工程为例,深入分析基坑开挖过程中边坡变形特性,并基于变形特性提出边坡加固措施.通过监测数据得知,爆破开挖以及降雨严重影响基坑边坡变形,导致边坡失稳;加固后失稳变形增加速率远低于加固前,且两个监测点处加固后位移最大值降幅分别为69.7%、47.9%,稳定性安全系数增加.这表明该边坡加固措施安全可靠,加固效果良好.
Dynamic Monitoring and Strengthening Construction of High Slope Near Deep Foundation Pit
Taking a large foundation pit project in Longyan City,Fujian Province as an example,the deformation characteristics of the slope during foundation pit excavation are deeply analyzed,and the slope reinforcement measures are proposed based on the deformation characteris-tics.According to the monitoring data,blasting excavation and rainfall seriously affect slope deformation,resulting in slope instability;The in-crease rate of instability deformation after reinforcement is much lower than that before reinforcement,and the decrease of maximum displace-ment at the two monitoring points after reinforcement is 69.7%and 47.9%,respectively.It shows that the slope reinforcement measures are safe and reliable,and the reinforcement effect is good.

Construction engineeringSlope engineeringDeformation monitoringStabilityReinforcement measures

黄秀英

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福建省龙岩市第二医院,福建 龙岩 364000

建筑工程 边坡工程 变形监测 稳定性 加固措施

2024

江西建材
江西省建材科研设计院

江西建材

影响因子:2.247
ISSN:1006-2890
年,卷(期):2024.(9)