2023年第3期工程勘察GeotechnicalInvestigation&Surveying21柔性测斜仪在软土地基深基坑监测中的应用研究林立祥(上海新地海洋工程技术有限公司,上海200083)摘要:本文介绍了柔性测斜仪的工作原理,对某软基深基坑项目中柔性测斜仪自动化监测的应用成果进行了分析研究。根据施工工况分析了柔性测斜仪测试成果的可靠性,结合人工测斜成果验证了其测试成果的准确性,通过坑周地表断面竖向位移的监测进一步验证了柔性测斜仪在深层水平位移自动化监测中的可靠性与准确性。研究结果表明,柔性测斜仪可以在软土地基深基坑深层水平位移测试项目中推广应用,尤其适用于周边环境复杂的深大基坑,可实时、准确而可靠地反馈基坑重要的变形信息。关键词:柔性测斜仪;软土地基;微电子机械系统;深层水平位移;时间效应中图分类号:TU457文献标识码:AApplicationofflexibleinclinometermonitoringindeepexcavationinsoftgroundLinLixiang(ShanghaiXindiOceanEngineeringandTechnologyCo.,Ltd,Shanghai200083,China)Abstract:Theworkingprincipleofflexibleinclinometerisintroduced,andtheapplicationresultsofautomaticmonitoringofflexibleinclinometerinasoftgrounddeepexcavationprojectareanalyzedandstudied.Accordingtotheconstructionconditions,thereliabilityofthetestresultsoftheflexibleinclinometerisanalyzed.Comparedwiththemanualinclinometerresults,theresultaccuracyofflexibleinclinometerisverified.Throughthesurfacesettlementmonitoringresultsaroundtheexcavation,thereliabilityandaccuracyoftheautomaticmonitoringresultsofdeephorizontaldisplacementarefurtherverified.Theresearchresultsshowthattheflexibleinclinometercanbepromotedtomonitorthehorizontaldisplacementofdeepexcavationprojectinsoftground,especiallyinthedeepandlargeexcavationwithcomplexsurroundingenvironment,whichcouldfeedbackimportantdeformationinformationoftheexcavationintime,accuratelyandreliably.Keywords:flexibleinclinometer;softsoilground;mechanicalsystemofmicroelectronics;deephorizontaldisplacement;effectoftime收稿日期:2022-05-10;修订日期:2022-08-16作者简介:林立祥(1979-),男(汉族),江苏姜堰人,大学本科,高级工程师.0引言随着我国城市化进程的快速推进,近年来地下空间的开发达到了高峰,深基坑工程的施工逐渐向深、大方向发展,上海苏...
