基坑边坡支护施工方案

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1、1不朽巷回迁安置房工程项目基坑及边坡支护工程施工组织设计大连九州建设集团有限公司中冶地勘岩土工程有限责任公司2013年7月pipereinforcedconcretepipesφm107onSeptember11toNovember202000m96onSeptember11toNovember20barsConcretepipediameterof2200m46onSeptember11toNovember20HDPEpipeDN400m540onSeptember11toNovember20DN300m1399onSeptember11to

2、November20HDPEHDPEpipetubeDN600m950onSeptember11toNovember20DN800m1692onSeptember11toNovember20HDPEHDPEpipetubeDN1000m290onSeptember11toNovember20pumpedcommercialconcreteimpermeabilityP6C25(corrosion-resistant)M3279September11-November20,pump-deliverycommodityconcreteC15M317

3、97September11-November20,pump-deliverycommodityconcreteC25(corrosion-resistant)M380onSeptember11toNovember20roadprojectsincoarsecleansandM3688November1–December30cleansandM31055-80mmM316206November2August-December17thofNovember1toDecember30gravel,gravel40mMM35799November2Aug

4、ust-December17th,rockfragment15mmM38139December15–November2625-40mmM317876December15–November26gravel60mmcementP.C32.5tm318902December15–November2655.48onSeptember8,2010-January30,2011XiangfuEastRoad,Changsha,Wuhan-Guangzhouhigh-speedrailwaystationconstructionproject,Yuhuadi

5、strict,aswellasthemunicipallevelofthenetwork'smainroad,constructionofsocietyandtheconcernofthepublic,accordingtothe目录第一章工程概况……………………………………………………………………………4一、工程概述…………………………………………………………………………………4二、工程地质和水文地质……………………………………………………………………4第二章方案编制说明………………………………………………………………………5一、方案编制依据

6、……………………………………………………………………………5二、方案编制内容……………………………………………………………………………5第三章总体施工安排………………………………………………………………………5一、施工准备工作……………………………………………………………………………5二、施工安排…………………………………………………………………………………7三、临时用水…………………………………………………………………………………7四、临时用电…………………………………………………………………………………8第四章主要施工方法………………………

7、……………………………………………10一、测量控制…………………………………………………………………………………10二、支护桩施工………………………………………………………………………………10三、冠梁施工………………………………………………………………………………17四、毛石挡墙施工…………………………………………………………………………20五、预应力锚索及地质钻杆施工……………………………………………………………24六、土钉施工…………………………………………………………………………30七、挂网喷砼施工…………………………………………………

8、…………………………30八、与土石方配合施工………………………………………………………………………31九、基坑安全防护与施工监测……………………………