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时间:2020-03-26
《高压喷射注浆防渗加固若干问题探讨.pdf》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、第43卷第10期探矿工程(岩土钻掘工程)Vo1.43No.102016年l0月ExplorationEngineering(Rock&SoilDrillingandTunnelingOct.2016:56—62高压喷射注浆防渗加固若干问题探讨温继伟,裴向军,王文臣,何智浩(1.成都理工大学地质灾害防治与地质环境保护国家重点实验,四川成都610059;2.国土资源部复杂条件钻采技术重点实验室,吉林长春130026)摘要:高压喷射注浆作为一种将水力采煤与静压注浆相结合诞生的注浆形式,已成功应用于地质灾害治理、水库大坝及垃圾渗滤液防渗加固等工程中,取得了
2、显著的社会经济效益。从高压喷射流的特性、高压喷射注浆机理、高压喷射注浆形成防渗固结体的影响因素及其防渗性能、高压喷射注浆对地层切割搅拌范围的影响因素、高压喷射注浆对浆材的要求,以及高压喷射注浆常见事故及对策6个方面对高压喷射注浆防渗加固进行了较为全面的探讨,提出了将包括SJP注浆材料、仿生非光滑技术等在内的新技术应用到高喷注浆防渗加固中解决目前存在问题的新思路,是一种有意义的尝试,同时也是切实可行的。关键词:高压喷射注浆;防渗加固;SJP注浆材料;仿生非光滑技术;地质灾害治理中图分类号:TU472.3;TV543;U213.158文献标识码:A文章
3、编号:1672—7428(2016)10—0056—07DiscussiononSeveralProblemsofHighPressureJetGroutinginSeepagePreventionandReinforcement/WENJi—wei,脚Xiang-jun,WANGWen—chen,HEZhi—hao(1.StateKeyLaboratoryofGeohazardPrevention&Geoenviron.mentProtection,ChengduUniversityofTechnology,ChengduSicuan610059
4、,China;2.KeyLaboratoryofDrillingandEx·ploitationTechnologyinComplexCondition,MinistryofLandandResources,Changchunlilin130026,China)Abstract:Highpressurejetgroutingasagroutingformbornofthehydrauliccoalminingandstaticpressuregroutingcon—binationhasbeensuccessfullyappliedtogeo—ha
5、zardprevention,reservoirdamandlandfillleachateseepagepreventionandreinforcementengineering,andachievedremarkableeconomicandsocialbenefits.Thispaperdiscusseshighpressurejetgroutingseepagepreventionandreinforcementfromsixaspects,includingcharacteristicsofhighpressurejetflow,mech
6、a—nismofhighpressurejetgrouting,factorsinfluencingtheformationofantiseepageconsolidationbodybyhighpressurejetgroutinganditsimperviousness,factorsinfluencingthecuttingandmixingrangeofhighpressurejetgroutinginformations,requirementsofhighpressurejetgroutingongroutingmaterials,an
7、dcommonaccidentsandcountermeasuresofhighpres—surejetgrouting.IthasbeenputforwardthattheapplicationofnewtechnologiessuchasSJPgroutingmaterialandbionicnon-smoothtechnologytohighpressurejetgroutingforresolvingexistingproblemsisameaningfulattemptandisalsofeasi—ble.Keywords:highpre
8、ssurejetgrouting;seepagepreventionandreinforcement;SJPgroutin
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