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1、《南水北调与水利科技》：围岩稳定状态的测定方法（汤雷）（摘要） #TRS_AUTOADD_1216773155046{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1216773155046P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1216773155046TD{MARGIN-TOP:0
2、px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1216773155046DIV{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1216773155046LI{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}/**
3、---JSON--{"":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"p":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"td":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top"
4、:"0","margin-bottom":"0"},"div":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"},"li":{"line-height":"1.5","font-family":"宋体","font-size":"12pt","margin-top":"0","margin-bottom":"0"}}--**/摘要：南水北调工程将要开挖大量的地下工程，可是确定围岩的稳定性状态至今仍是地下工程研究的关键难题之一，
5、即使进行了现场监测，也难以判定围岩的稳定状态。以自承载能力是决定围岩稳定性的主要因素为依据，在深入分析现场实测资料的基础上，开展了反映围岩变形特点的平面应变试验，综合建立了围岩扩容率与其自承载能力的关系模型，以期在现场监测结构与围岩稳定状态之间架起桥梁。关键词：稳定状态；自承载能力；平面应变；扩容率
中图分类号：TV68；TU45文献标识码：A文章编号：1672-168301-0128-03
JudgingStabilityofSurroundingRockBasedonVolumeExpansionRatio
TANGLei
(NanjingHydrau
6、licResearchInstitute,Nanjing210024,China)
Abstract:Howtojudgingthestabilityofsurroundingrockisakeyprobleminundergroundengineering.Thereisnoeffectiveapproachyet.Itisadifficultproblemevenin-situinspectioncarriedthrough.Accordingtothatself-bearingcapacityisthekeytosurroundingrockstabilit
7、y,plainstrainexperimentsarecarriedoutontheanalysisofin-situmeasureddata,andtherelationshipbetweenvolumeexpansionratioandself-bearingcapacityispresented,whichismeaningfulinundergroundengineering.
Keywords:stability;self-bearingcapacity;plainstrain;volumeexpansionratio
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