土方开挖工艺流程及措施

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1、膈薅羇肈蒆薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄膀蚀螃袇葿蚀袅膃莅虿羈羅芁蚈蚇膁膇蚇螀羄蒅螆袂腿莁螅羄羂芇螄蚄膇芃莁袆肀腿莀羈芆蒈荿蚈聿莄莈螀芄芀莈袃肇膆蒇羅袀蒅蒆蚅肅莁蒅螇袈莇蒄罿膃芃蒃虿羆腿蒂螁膂蒇蒂袄羅莃蒁羆膀艿薀蚆羃膅蕿螈膈肁薈袀羁蒀薇蚀芇莆薆螂聿节薆袄芅膈薅羇肈蒆薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄膀蚀螃袇葿蚀袅膃莅虿羈羅芁蚈蚇膁膇蚇螀羄蒅螆袂腿莁螅羄羂芇螄蚄膇芃莁袆肀腿莀羈芆蒈荿蚈聿莄莈螀芄芀莈袃肇膆蒇羅袀蒅蒆蚅肅莁蒅螇袈莇蒄罿膃芃蒃虿羆腿蒂螁膂蒇蒂袄羅莃蒁羆膀艿薀蚆羃膅蕿螈膈肁薈袀羁蒀薇蚀芇莆薆螂聿节薆袄芅膈薅

2、羇肈蒆薄蚆袀莂蚃蝿肆芈蚂袁衿膄蚁薁肄膀蚀螃袇葿蚀袅膃莅虿羈羅芁蚈蚇膁膇蚇螀羄蒅螆袂腿莁螅羄羂芇螄蚄膇芃莁袆肀腿莀羈芆蒈荿蚈聿莄莈螀芄芀莈袃肇膆蒇羅袀蒅蒆蚅肅莁蒅螇袈莇蒄罿膃芃蒃虿羆腿蒂螁膂蒇蒂袄羅莃蒁羆膀艿薀蚆羃膅蕿螈膈肁薈袀羁蒀薇蚀芇莆薆螂聿节薆袄芅膈薅羇肈蒆薄蚆袀莂蚃蝿肆芈蚂袁汉译英1.土方开挖工艺流程及措施1.EarthworkexcavationprocessandMeasures土方开挖工艺流程清理植被施工道路修建及施工截、排水沟人工配合反铲修坡成型反铲（装载机）挖装15t自卸车边坡支护及基础处理施工

3、准备C测量放线EarthworkexcavationprocessandprocedureClearupvegetation/siteclearanceConstructionbypass,catchwaterdrainandoutfallditchconstructionManuallyslopetrimmingandshapinguptogetherwithbackhoeBackhoe(loader)forexcavationandloadingto15ttippersSloperetainingsuppo

4、rtandfoundationtreatmentConstructionpreparationSurveyandsetout人工清除开挖区内的植被、杂物，由测量工放出左坝肩一期开挖设计开挖边线，核实开挖断面，按设计位置做浆砌石排（截）水沟。构筑区内开挖施工便道及集碴平台，并同步形成开挖区内临时排水沟。左坝肩一期开挖土方开挖采用反铲或装载机配合15t红岩自卸汽车挖装，弃土统一运至1#或2#弃碴场。土方边坡用反铲按设计坡比开挖，人工配合修整边坡。Manualremovalthevegetationanddebris

5、inexcavationareas;setouttheexcavationlinesoftheleftabutmentPHASEIexcavationdesignbysurveyingtechnicians,verifyexcavationcross-section,andconstructstone-pitchedoutfall(catch-water)ditchesatdesignedlocations.Excavateforconstructionbypassandmuckstockpilingplatf

6、ormwithinconstructionarea,andformthetemporarydrainagesintheexcavationareassimultaneously.TheearthworkexcavationfortheleftabutmentPHASEIexcavationshalladoptbackhoeorloadercooperatingwith15tHONGYANtippersforexcavationandloading,withspoilmaterialstransportedtoN

7、O.1or2muckdisposablesite.Theslopeoftheearthworkshallbeexcavatedbybackhoeandtrimmedmanually.2.土石方开挖工艺流程及措施分层分区进行钻孔、爆破、出碴及支护施工，形成开挖多工作面多工序的平行流水作业。边坡及强风化岩石采用反铲从上往下开挖，开挖碴料顺坡面翻碴到下一马道，再用反铲或装载机装自卸汽车拉运至1＃弃碴场。开挖揭露的石方进行孤石解爆，人工YT28手风钻钻孔，松动爆破，碴料弃至指定碴场。2.Earthworkandston

8、eworkexcavationprocessandmeasuresExecutethedrilling,blasting,muckingandretainingsupportconstructionhierarchicallyandinpartitions,formingparallelexcavationconstructionsofmultipleworkingsectionsan