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《《南水北调与水利科技》：漕河渡槽深厚卵石层钻探取芯样技术探讨（刘建华）（摘要）》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、《南水北调与水利科技》：漕河渡槽深厚卵石层钻探取芯样技术探讨（刘建华）（摘要） #TRS_AUTOADD_1225165430171{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1225165430171P{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1225165430171TD
2、{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1225165430171DIV{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;FONT-FAMILY:宋体}#TRS_AUTOADD_1225165430171LI{MARGIN-TOP:0px;FONT-SIZE:12pt;MARGIN-BOTTOM:0px;LINE-HEIGHT:1.5;
3、FONT-FAMILY:宋体}/**---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-si
4、ze":"12pt","margin-top":"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：对深厚卵石层钻探完整取芯样问题一直是水电
5、勘探中的一大难题，近十年来由于采取了SM植物胶金刚石钻进工艺，岩芯采取率和钻进效率都有一定的提高；随着实践经验的积累和技术参数、配制方法的不断调整，此钻进工艺得到了不断完善。槽河渡槽是南水北调中线工程河北省段最大的建筑物，河床段卵石层深厚且含砂量小，钻探取样难度极大；就漕河渡槽深厚卵石层勘探中钻具的选用、技术参数的选择及植物胶配制方法、注意事项、取芯样技术进行了较详细的叙述并进行了总结，可供以后类似地层勘探时参考。
关键词：钻进技术；SM植物胶；卵石层；取芯
中图分类号：TV52文献标识码：B文章编号：1672-168301-0301-02
Dr
6、illingTechnologyforSamplingThickGravelLayerintheCaoRiverAqueduct
LIUJian-hua1,2
(1.ChinaThreeGorgesUniversity,Yichang443002,China;2.HebeiInvestigationDesiearchInstituteofWaterConservancyHydropowerMinistryofWaterResources,Tianjin300250,China)
Abstract:Thewaytodrillingwholecoreat
7、deepandthicklayerisadifficultyinhydropowerexploration.Inpresent10years,bytheSMplantgluedrillingtechniques,boththecoreadoptrateanddrillingrateareimproved.Bytheaccumulationofpracticeexperienceandadjustmentoftechnicalparameterandconfectmeasure,thisdrillingrechniquesgetperfectly.CaoRiv
8、eraqueductisthelargestcons
