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1、广深港客专工程福田项目监理站华铁监理分站监理细则广深港客运专线福田车站及相关工程益田路隧道进口段降水施工监理实施细则编制：审核：审批：铁四院监理联合体广深港客专工程福田项目监理站华铁监理分站二0一0年四月he"governingforthepeople","Nomattertheinterestsofthemasses"conceptunderstandingisnotinplace.Thespecificworktreatswiththedeployment,afewleadingcadrescomplainthatwor
2、kistoocomplicated,toomuchresponsibility,thepressureistoolarge,toomuchemphasisonthedifficultyofthework.Forexample,noncoalmine第11页共12页广深港客专工程福田项目监理站华铁监理分站监理细则目录一、工程概况··················································03二、降水井设置··········································
3、······03三、工程特点、重点及难点······································03四、监理依据··················································04五、监理程序·················································05六、监理工作重点··············································08七﹑安全文明施工及环境保护监理要点·················
4、··········10he"governingforthepeople","Nomattertheinterestsofthemasses"conceptunderstandingisnotinplace.Thespecificworktreatswiththedeployment,afewleadingcadrescomplainthatworkistoocomplicated,toomuchresponsibility,thepressureistoolarge,toomuchemphasisonthedifficul
5、tyofthework.Forexample,noncoalmine第11页共12页广深港客专工程福田项目监理站华铁监理分站监理细则一、工程概况益田路隧道进口明洞段为广深港客运专线与厦深线合建段，地质条件复杂，地下水位较高，设计水位为90.5m。采用明挖法施工，该基坑施工一侧采用放坡加直立开挖形式，降水要求降至基坑下2米。暗洞DK104+810~DK105+355范围内，基岩坡残积土层和岩石全风化和岩石全风化带，岩石全风化带比较发育，计入隧道范围。残积土和土状全风化具遇水软化的特点，强风化岩具暴露时间长易开裂、泡水易软化的特
6、点。固在隧道明暗洞施工前应进行降水，以保证施工安全。二、降水井设置he"governingforthepeople","Nomattertheinterestsofthemasses"conceptunderstandingisnotinplace.Thespecificworktreatswiththedeployment,afewleadingcadrescomplainthatworkistoocomplicated,toomuchresponsibility,thepressureistoolarge,toomuch
7、emphasisonthedifficultyofthework.Forexample,noncoalmine第11页共12页广深港客专工程福田项目监理站华铁监理分站监理细则明洞基坑降水井布置在基坑四周，水平间距14米；降水井顶部标高为84.1米，底部为+71.8~+72.2米。降水总管直径为150mm,井水排向基坑东侧的市政管网。暗洞降水设计范围545米，宽17.3米。降水井布置在益田路隧道结构外侧，井中心距离隧道结构外约1.5米，水平间距为15米，两侧交错布置。局部地段为了避开建筑物，水平间距可适当调整。降水总管直径为1
8、50mm,井水排向基坑东侧的市政管网。三、工程特点、重点及难点隧道周围有建筑；地下管线较多；地下水位高、水量丰富为空隙潜水，稳定水位埋深在2.50～5.50m，相当于绝对标高90.5m；地质条件较差，地质结构第四系全新统人工填筑层，基岩坡残积土层和岩石全风化和岩石弱风化带，岩石全风化带比较
