资源描述：
《锦屏一级水电站地下厂房洞室群施工期围岩松动区研究1》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、StudiesonLoosenedZoneofSurroundingRockUndergroundPowerhouseCavitiesforJinpingIHydropowerStationinConstruction基金项目：长江科学院中央级公益性科研院所基本科研业务费资助项目(No2010-2-8);国家自然科学基金重点项目雅砻江水电开发联合基金（50639090）;水利部公益性行业科研专项项目(201001009)作者简介：黄志鹏（1965-），男，硕士，高级工程师，1997年毕业于重庆建筑大学岩土工程专业，现任水利部岩土力学与工程重点实验室副总工程师，主要从事岩土工程试验、研究及安全监
2、测分析等工作.HUANGZhi-PengChongqingRockFoundationResearchCentre,KeyLaboratoryofGeotechnicalMechanics＆EngineeringofMinistryofWaterResources,YangtzeRiverScientificResearchInstitute,YangtzeRiverScientificResearchInstitute.Chongqing,China.zhipenghuang@163.comZHOUJiang-PingErtanHydroelectricDevelopmentLt.Compa
3、ny,Chengdu,China,zhoujiangping@ehdc.com.cnZHANJing-ShengChongqingRockFoundationResearchCentre,KeyLaboratoryofGeotechnicalMechanics＆EngineeringofMinistryofWaterResources,YangtzeRiverScientificResearchInstitute,Wuhan430010,China;YangtzeRiverScientificResearchInstitute,Chongqing,China.512951760@qq.comL
4、IWei-shuChongqingRockFoundationResearchCentre,KeyLaboratoryofGeotechnicalMechanics＆EngineeringofMinistryofWaterResources,YangtzeRiverScientificResearchInstitute,Wuhan430010,China;YangtzeRiverScientificResearchInstitute,Chongqing,China.lws_lwslws@163.comAbstract．Thispaperintroducesthetestresultsofloo
5、senedzoneofsurroundingrockundergroundpowerhousecavitiesforJinpingIHydropowerStationinconstructionandtheresultsareanalyzedandstudied.Loosenedzoneofsurroundingrockscaleanddistributionareinfluencedbygeologicalconditionsandexcavation,Loosenedzoneofsurroundingrockinupstreamanddownstreamsidewallobviousasy
6、mmetry.Downstreamsideupperandupstreamsidemid-lowerofmainpowerhouseisbigger;upstreamside-wallbottomanddownstreamside-wallmid-upperofmaintransformerchamberislarge.Loosenedzoneofsurroundingrockandwavevelocitychangehasobvioustime-relatedfeature,loosenedzonedevelopmentandrockwavedecreaseisfasterexcavatio
7、nearly;afterexcavation,itisstoppedgradually,but,finishthisprocessneedssixmonths.Wavevelocitydecreasedegreeofsurroundingrockrapiddeclinereducedwithdepthincrease,superficialwavevelocityofsurroundingrock
