municipalparty Committee session plenary session, adding measures, promote XXeconomic, social culturaldevelopment. primaryresponsibility fulfillingParty yearsXX town guided party,conscientiously implement Centraleight threeSuns tenrequirements provincial,city County,put thought CountyGovernment majordeployment, Countydiscipline Inspection Commission plenary session. Seriously studying importantspeech, General Secretary CommunistParty ChinaXI Jinping probity guidelines, CPCdisciplinary Ordinance, Chinesedream built well-offsociety has laid solidpolitical foundation. stronglyimplementation Central, arrangementsdeployment, insisted put style clean government economicdevelopment work implementation,strong advance four wind highlight problem special regulation, constantly enhanced style clean government anti-corruptionstruggle sufferingconsciousness, playconsciousness, responsibilityconsciousness, insisted massline fourmirror guide,find out four wind highlight problem 12 effectivedo has side check side modified, change style, constantly improve political literacy, Strengthening fourwinds problem rectification conscientiouslyimplement both, further efforts PartyCommittee upholdingintegrity combatingcorruption. Established honestleadership team, conscientiouslyimplement uncorruptedparty, firmly does scratchclean 河北省邢台至衡水高速公路衡水段FJ3 合同项目部 municipalparty Committee session plenary session, adding measures, promote XXeconomic, social culturaldevelopment. primaryresponsibility fulfillingParty yearsXX town guided party,conscientiously implement Centraleight threeSuns tenrequirements provincial,city County,put thought CountyGovernment majordeployment, Countydiscipline Inspection Commission plenary session. Seriously studying importantspeech, General Secretary CommunistParty ChinaXI Jinping probity guidelines, CPCdisciplinary Ordinance, Chinesedream built well-offsociety has laid solidpolitical foundation. stronglyimplementation Central, arrangementsdeployment, insisted put style clean government economicdevelopment work implementation,strong advance four wind highlight problem special regulation, constantly enhanced style clean government anti-corruptionstruggle sufferingconsciousness, playconsciousness, responsibilityconsciousness, insisted massline fourmirror guide,find out four wind highlight problem 12 effectivedo has side check side modified, change style, constantly improve political literacy, Strengthening fourwinds problem rectification conscientiouslyimplement both, further efforts PartyCommittee upholdingintegrity combatingcorruption. Established honestleadership team, conscientiouslyimplement uncorruptedparty, firmly does scratchclean 编制:审核: 施工单位:河北天森建工集团有限公司 一、工程概况1.1 工程概况。本单位工程为赵圈收费站收费雨棚地下通道工程,工程地 址河北省邢台至衡水高速公路衡水段沿线,施工段区域内地下水位较高。 1.2 工程主要情况。本工程建设单位河北省高速公路邢衡筹建处,设计单位为 辽宁省交通规划设计院,监理单位河北冀通工程建设监理有限公司,本方案设计 为地下通道基槽级配砂石换填工程施工。 1.3 设计简介。为保证回填后路面及收费雨棚施工质量,回填料采用人工级配 砂石,回填的压实密度为 0.97。 二、编制依据 2.1 建筑地基基础工程施工质量验收规范GB50202-2002 2.2《地下工程防水技术规范》GB50108-2008 2.3《地下工程防水》05J2 2.4 赵圈收费站收费雨棚地下通道施工图纸 三、施工安排 3.1 工程施工目标。 进度目标:满足现场施工要求,严格按照进度计划实施,回填按照施工计划完 成;质量目标:回填施工一次合格。 3.2 工程施工顺序及施工流水段划分依据设计图纸及施组设计,采用管井降水 10 天后,基槽内未见明水。目前收费站收费雨棚地下通道基槽具备回填条件,经两 级监理现场勘验合格后,方可进行基槽回填施工。 3.3 针对工程的重点和难点,进行施工安排并简述主要管理和技术措施 在级配砂石回填过程中注意防水保护层的保护工作,确保防水层不被破坏。 四、施工进度计划 municipalparty Committee session plenary session, adding measures, promote XXeconomic, social culturaldevelopment. primaryresponsibility fulfillingParty yearsXX town guided party,conscientiously implement Centraleight threeSuns tenrequirements provincial,city County,put thought CountyGovernment majordeployment, Countydiscipline Inspection Commission plenary session. Seriously studying importantspeech, General Secretary CommunistParty ChinaXI Jinping probity guidelines, CPCdisciplinary Ordinance, Chinesedream built well-offsociety has laid solidpolitical foundation. stronglyimplementation Central, arrangementsdeployment, insisted put style clean government economicdevelopment work implementation,strong advance four wind highlight problem special regulation, constantly enhanced style clean government anti-corruptionstruggle sufferingconsciousness, playconsciousness, responsibilityconsciousness, insisted massline fourmirror guide,find out four wind highlight problem 12 effectivedo has side check side modified, change style, constantly improve political literacy, Strengthening fourwinds problem rectification conscientiouslyimplement both, further efforts PartyCommittee upholdingintegrity combatingcorruption. Established honestleadership team, conscientiouslyimplement uncorruptedparty, firmly does scratchclean 依照甲方给定施工进度,保证室外管线正常施工,此段回填施工在2016 月15日前完成。 五、施工准备与资源配置计划 5.1 施工准备: 技术准备:1.1 严格按照要求进行施工,回填施工前做好施工方案的编制工作,并对现场 工人进行详细交底。 1.2 对级配砂石进行技术鉴定,并做好验收记录。应符合设计要求。 现场准备:2.1 回填位置防水施工完成并通过验收。 2.2 外脚手架拆除完成并二次检验防水层无破坏。 2.3 回填施工段防水保护层施工完成,且覆盖严密,通过验收。 2.4 地下通道基槽底部两侧设置排水沟,使基坑(槽)保持无水状态。 2.5 设置控制铺筑厚度的标志,如水平标准木桩或标高桩,或在固定的建筑物 墙上、槽和沟的边坡上弹上水平标高线或钉上水平标高木橛。 2.6 基槽回填,必须清理到基础底面标高,将回落的松散土、砂浆、等清除干 2.7铺筑前,应组织有关单位共同验槽,包括轴线尺寸、水平标高、地质情况, 有无孔洞、沟、井等,应在未做地基前处理完毕并办理隐检手续。 5.2 资源配置计划 劳动力配置计划:工种 数量 备注 壮工16 合计 20 机械配置计划拟投入的主要施工机械设备表 机械或设备称 型号规格 数量 作用 挖掘机 W-100 回填级配砂石运输车 回填级配砂石打夯机 HW60 回填级配砂石潜水泵 基槽抽水手提配电箱 220V 照明及夯实碾压机 6t 夯实装载机 50 级配砂石回填手推车 级配砂石回填平头铁锹 10 喷水用胶管1000m 2m靠尺 municipalparty Committee session plenary session, adding measures, promote XXeconomic, social culturaldevelopment. primaryresponsibility fulfillingParty yearsXX town guided party,conscientiously implement Centraleight threeSuns tenrequirements provincial,city County,put thought CountyGovernment majordeployment, Countydiscipline Inspection Commission plenary session. Seriously studying importantspeech, General Secretary CommunistParty ChinaXI Jinping probity guidelines, CPCdisciplinary Ordinance, Chinesedream built well-offsociety has laid solidpolitical foundation. stronglyimplementation Central, arrangementsdeployment, insisted put style clean government economicdevelopment work implementation,strong advance four wind highlight problem special regulation, constantly enhanced style clean government anti-corruptionstruggle sufferingconsciousness, playconsciousness, responsibilityconsciousness, insisted massline fourmirror guide,find out four wind highlight problem 12 effectivedo has side check side modified, change style, constantly improve political literacy, Strengthening fourwinds problem rectification conscientiouslyimplement both, further efforts PartyCommittee upholdingintegrity combatingcorruption. Established honestleadership team, conscientiouslyimplement uncorruptedparty, firmly does scratchclean 六、施工方法及工艺要求6.1 施工工艺流程 处理地基表面检验砂石质量分层铺筑砂石洒水夯实或碾压找平、验6.2施工流程 6.2.1 处理地基表面:将地基上表面的浮土和杂物清除干净,平整原有地基。 6.2.2 对级配砂石进行技术鉴定,人工级配砂石应将砂石拌和均匀,其质量均应 达到设计要求或规范的规定。 6.2.3 分层铺筑砂石 6.2.3.1 铺筑砂石的每层厚度,一般为20 ~30 ,不宜超过30 ,分层厚 度可用样桩控制。视不同条件,可选用夯实或压实的方法。大面积的砂石垫层,铺 筑厚度可达35 ,宜采用6t~12t 的压路机碾压。 6.2.3.2 砂和砂石地基底面宜铺设在同一标高上,如深度不同时,基土面应挖成 踏步和斜坡形,搭槎处应注意压(夯)实。施工应按先深后浅的顺序进行。 6.2.3.3 分段施工时,接槎处应做成斜坡,每层接槎处的水平距离应错开0.5m~ 1.0m,并应充分压(夯)实。 6.2.3.4 铺筑的砂石应级配均匀,如发现砂窝或石子成堆现象,应将该处砂子或 石子挖出,分别填入级配好的砂石。 6.2.3.5 洒水:铺筑级配砂石在夯实碾压前,应根据其干湿程度和气候条件,适 当地洒水以保持砂石的最佳含水量,一般为8%~12%。 6.2.4夯实或碾压:夯实或碾压的遍数,由现场试验确定。用木夯或蛙式打夯机 时,应保持落距400 ~500 ,要一夯压半夯,行行相接,全面夯实,一般不少 遍。采用压路机往复碾压,一般碾压不少于4遍,其轮距搭接不小于50 边缘和转角处应用人工或蛙式打夯机补夯密实。