安徽铁路段路基涵洞施工技术交底 14页

工程技术交底书单位：中铁六局合福铁路安徽段站前6标项目经理部二分部主送单位路基一队日期2011.06.06工程名称DK228+208涵洞根据图号合福施（涵）-128现场领工员、技术员及班组长:现就路基一队DK228+208框架涵进行技术交底，现场施工中严格按照技术交底规范施工。一、工程概况该框架涵尺寸为4*4.7*26.95m（未计算翼墙长，翼墙为5.46m*2），中心里程DK228+208，处于地表水及地下水为CO/2侵蚀性H1等级，与线路方向斜交45°，主要用途为排洪。二、施工方案框架涵基坑采用挖掘机开挖，人工配合清理并进行整平。钢筋在钢筋加工厂内集中加工，完成后运至场地内绑扎成型。涵洞模板采用组合式钢模板，倒角处可采用木模。混凝土由搅拌站集中拌制，在使用罐车运至现场，使用地泵或者泵车浇筑。涵洞施工工艺流程图如下：massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n三、施工方法（一）、施工准备1、根据该框架涵的施工工艺以及工程量大小，需准备，挖掘机一台，装载机一台，钢筋模板工≥10人，地泵一台（或泵车一台）。（二）、测量放样1、使用全站仪放出涵洞中心位置及纵横轴线，现场核对涵洞图纸所示方向、位置、长度、出入口高程，以及与既有沟槽、排水设施的连接是否相符，如有不符，技术提出处理措施，报监理工程师及设计单位进行审定变更。（三）、基坑开挖massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n1、基坑开挖按1:0.3放坡，开挖时若发现边坡有坍塌，应加大坡率至1:0.5，其开挖出的弃土（弃土堆放高度不超过1.5m）坡脚距离基坑上口边缘最少2m，且基坑上坡脚3m范围以内严禁堆放重物及动载机械施工，以防止边坡坍塌。其开挖基坑底面按设计图纸平面尺寸超挖50~80cm，该涵洞基础宽度为5.2m，且基坑内有流水经过，开挖基础宽度最少达到5.9m，5.5m的工作面，在基坑两侧设置20cm宽的临时排水沟，以保证足够的工作面，避免再次开挖，且流水畅通。2、基坑开挖以机械为主，人工配合的方法，在开挖至距基底30cm时，则采用人工清底，以免扰动基底土层，降低承载力。基底整平时按各个涵节的长度和高差设置台阶。(第一节：长4.24m，基底标高210.84；第二节：长9.19m，基底标高211.67；第三节：长9.19m，基底标高211.580；第四节：长4.24m，基底标高210.62，入口为第一节，出口为第四节，涵身与涵身，涵身与翼墙之间均设置2.8cm的沉降缝)3、基坑开挖完成后需要进行地基承载力实验，根据设计承载力决定实验项目。该涵洞设计地基承载力为≥180Kpa，采用轻型动力触探实验即可。实验合格后马上进行垫层的浇筑，避免基坑长期暴露和扰动；如若不合格，则需要对地基进行挖深换填，直到达到设计承载力为止。（四）、钢筋的绑扎与焊接①、新进钢筋使用前先报验合福站前六标中心实验室，由实验人员对钢筋原材料进行取样，合格后方可进行加工。取样标准：拉伸检验：任选两根钢筋切取。两个试样，试样长500mm。冷弯检验：任选两根钢筋切取两个试样，试长度按下式计算：L=1.55*(a+d)+140mm式中：L—试样长度a—钢筋公称直径d—弯曲试验的弯心直径；按下表取用massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n钢筋牌号(强度等级)HPB235(Ⅰ级)HRB335HRB400HRB500公称直径(mm)8～206～2528～506～2528～506～2528～50弯心直径d1a3a4a4a5a6a7a在切取试样时，应将钢筋端头的500mm去掉后再切取。钢筋加工后的半成品，需报验试验监理，由监理现场对钢筋接头进行取样，合格后可进行钢筋的绑扎工作。钢筋焊接接头取样标准：单面焊10d,双面焊5d,每种钢筋的焊接接头取一组，一组为3个，代表数量200个接头。试件长度为双面搭接焊=8d+焊缝长度+2个夹持长度（200mm），单面搭接焊=5d+焊缝长度+2个夹持长度（200mm）。1、该涵洞主筋接长是需要使用双面搭接焊，焊接长度不小于5d（注：d为钢筋直径），并且焊接前钢筋必须进行预弯。（预弯角度控制单面焊：1:10，双面焊：1:5，搭接焊焊缝厚度≥0.3d，且不小于4mm，焊缝宽度≥0.7d，且不小于8mm）同一截面内的钢筋接头严禁超过一个；轴心受拉构件不得大于25%；钢筋接头应避开钢筋弯曲处，距离弯曲点的距离不得小于10d。2、钢筋弯钩采用标准弯钩。主筋90°弯折时，弯曲半径为6d，其余均为12d，主筋45°弯折时，弯曲半径为12d。3、涵节钢筋布置应按个涵身钢筋布置图注明的排列序号循环配置，涵身按正向配置每米8排骨架钢筋，其排列序号为①②③④①②③④，每排正向间距12.5cm，但框架始末端需使用①或者③号骨架。4、框架顶板顶面和底板底面钝角处均应布置钝角加强钢筋，全框架涵共4处。（钝角只存在于斜交涵洞，正交没有，它是线路方向与涵洞两头所交的三角区）5、钢筋保护层厚度为4~5cm。massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n6、钢筋数量详见附图②、钢筋的加工、焊接及组装符合下列规定：⑴、检查进场钢筋的出厂质量证明书，并及时进行批量检验。⑵、不同等级规格的钢筋分别堆放，对检验合格的钢筋挂牌标识。⑶、加工钢筋时，清除表面油渍、漆污等，钢筋调整平直，无局部弯折。加工后的钢筋分批堆放，并注明部位及数量。⑷、钢筋焊接接头不设置在承受应力最大处，同一截面受力钢筋其接头的截面积占受力钢筋总面积，在受拉区不超过50%。两钢筋接头相距不小于35倍钢筋直径，且不小于50cm。⑸、钢筋绑扎前对模板的位置及尺寸进行检查，保证位置及尺寸符合设计要求，绑扎工作面下应干净无杂物。⑹、为保证保护层厚度，在钢筋与模板间设置细石混凝土垫块，垫块与钢筋扎紧，并互相错开。⑺、绑扎完毕后质检员对钢筋规格、型号、数量进行检查，填写隐蔽工程检查记录，报请监理工程师检查。合格后方可进行下道工序。⑻、钢筋安装质量标准见下表：钢筋安装及钢筋保护层厚度允许偏差和检验方法序号名称允许偏差（mm）检验方法1受力钢筋排距±5尺量、两端、中间各一处2同一排中受力钢筋间距墙身、底板、顶板±203分布钢筋间距±20尺量，连续3处4钢筋保护层厚度c（mm）c≥35+10，-5尺量，两端、中间各2处（五）、支立模板本框架涵根据地质情况均采用C35标号混凝土浇筑。模板采用massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n标准钢模板，配合施工胶条及脱模剂，以保证结构的各部尺寸和形状的正确、表面平整、不漏浆。在涵洞斜角处可以使用竹胶板，但必须支护稳固，密封良好。模板安装前需使用全站仪进行放线定位，确定出模板角点位置，用细钢筋做好标记，再使用水准仪测出标高，拉线定位，完成该步骤后，报测量监理进行复核测量，合格后方可进行下一步施工。注意，保护层厚度必须保证在4~5cm的距离，使用C35混凝土垫块，每平米4个，严禁使用石头和桩头碎石。1、一般规定⑴、模板板面之间应平整，接缝严密，不漏浆，保证结构物外露面美观，线条流畅；⑵、浇筑砼之前，模板应涂刷脱模剂，外露面砼模板的脱模剂应采用同一品种，不得使用费机油等油料，且不得污染钢筋及砼的施工缝处。2、模板安装技术要求⑴、模板与钢筋安装工作应配合进行，妨碍绑扎钢筋的模板应待钢筋安装完毕后安设。⑵、安装侧模板时，应防止模板移位和凸出。⑶、模板安装完毕后，应对其平面位置、顶面标高、节点联系及纵横向稳定性进行检查，签认后方可浇筑砼。浇筑时，发现模板有超过允许偏差变形值的可能时，应及时纠正。（六）、浇筑混凝土1、该涵洞混凝土施工顺序：基础垫层—底板—边墙顶板—进出口基础—翼墙—帽石。2、massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n根据所处的地质环境，要求涵洞涵身及基础使用砼标号不低于C35。3、浇筑混凝土前，必须由实验人员对砼性能做检测，达到规范标准后方可进行砼施工。4、注意，必须当底板混凝土强度达到90%后，才可浇筑边墙及顶板混凝土，边墙与底板衔接处，需进行凿毛处理，并清理干净，浇筑前进行洒水润湿。注：严禁在混凝土未出强度前对其进行凿毛，且凿毛应有足够深度，其标志为已露出混凝土中的石子。5、采用插入式振捣时，注意振捣棒位移不宜超过振捣半径的1.5倍，与模板保持50-100mm的距离，按照快插慢拔的方式，并不得触碰模板，同时避免过振。注：振捣密实的标志为混凝土停止下沉，不再冒出气泡，表面平坦泛浆。6、混凝土浇筑完成以后，要对露出面进行抹平，收光，防止表面凹凸不平。（七）、沉降缝施工该涵洞共设置5个沉降缝，其宽度为2.8cm1、沉降缝由内向外分别为深聚氨酯密封膏，CB300X6-20型橡胶止水带，聚乙烯泡沫塑料板，M10水泥砂浆，外层设置了防水层带，厚4cm的C40细石纤维混凝土。M10水泥砂浆和C40细石纤维混凝土只有顶板有。详见合福施涵（参）-01-02。2、止水带宜用整根，尽量减少接头，接头应黏贴牢固，密不透水，接头宜设置在沉降缝的平直位置massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n，不得设在涵身边墙与顶底板转角处。当止水带与涵节钢筋有干扰时，可刺穿止水带，但不得截断涵节内的钢筋。沉降缝外侧涂刷聚氨酯防水材料并粘贴防水卷材，相邻涵节不均匀沉降差不大于5mm。沉降缝内侧待涵洞施工完成后再嵌填聚氨酯封膏。（八）、防水层施工1、防水层分为TQF甲种防水层和TQF丙种防水层。在铺设防水层前，需确保基层平整、干净、干燥、无凹凸不平、无蜂窝麻面，若有以上情况，需待修补并检查合格后再施工防水层。2、TQF甲种防水层：设置在明涵顶和墙身上部（顶板底面下20cm处）及沉降缝位置处，由TQF聚乙烯防水卷和TQF-2聚氨酯防水涂料共同构成。施工时，首先在经检查合格的混凝土基层面均匀涂刷1.2mm厚TQF聚氨酯防水涂料，再在上均匀铺设TQF聚乙烯防水卷材，最上层为4cm厚的C40细石纤维混凝土保护层。3、TQF丙种防水层：设置在填土高度大于1m的墙身处，TQF丙种防水层的混凝土上丙种防水层由由两层TQF-881聚氨酯防水涂料组成，总厚度不小于2mm。涂刷前得圬工表面应先刷扫干净，消除粉屑污泥，涂敷工作应在干燥温暖的天气下进行。防水涂料应满铺满涂，平顺均匀，厚薄一致，不得有褶皱，鼓泡，破损，脱层，翘边，滑动或封口不严等缺陷。防水层施工注意事项：a：防水层施工在雨天不能施工，四级以上强风天气不能施工；massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\nb：每次配置防水涂料应在20分钟内用完，涂刷应均匀，防水卷材应在涂料涂刷完毕后20分钟内做完；c：防水卷材铺设的搭接纵向宽度不应小于120mm，横向宽度不得小于80mm，表面平整，完好，无鼓泡等现象；d：施工时涂料不得敞口放置，用后应及时将盖拧紧；e：防水层基面必须清理干净，不得有积水；f：纤维混凝土应采用强制搅拌，施工时应将各种材料同时倒入强制拌和机内拌合，搅拌时间不少于3min；g：将混合均匀的纤维混凝土均匀的铺在防水层上，使用平板振捣器进行均匀振捣，振捣时间应达到20s左右，知道无可见空洞为止；h：抹面应在混凝土接近初凝是进行，抹面工具表面应光滑，以免带出纤维。（九）、模板拆除⑴、砼拆模是的强度应符合设计要求。当设计未提出要求时，应符合下列规定：侧模应在砼强度达到2.5MPa以上，且其表面及棱角不因拆模而受损时，方可拆除。内模应在混凝土强度能够保证构件和孔洞表面不发生坍塌和裂缝时，方可拆除。⑵、拆除时的技术要求1、模板拆除应按设计的顺序进行，设计无规定时，应遵循先支后拆，后支先拆的顺序，拆时严禁抛仍。massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n2、拆除模板时，不允许用猛烈地敲打和强扭等方法进行。3、模板拆除后，应维修整理，分类妥善存放。4、质量检查模板安装时的允许偏差见下表：模板安装允许偏差和检验方法序号项目允许偏差（mm）检验方法1轴线位置基础15尺量每边不少于2处2表面平整度52m靠尺和塞尺不少于3处3高程基础±20测量4相邻两模板表面高低差2尺量（十）、砼的拌制、运输与浇筑方式砼在1#拌合站集中拌制，采用吊车吊装或溜槽送料入罐。运输采用混凝土罐车，浇筑使用地泵或者泵车送料入模，进行分节浇筑。（十一）、砼养护混凝土浇筑完成后，12h内即应该覆盖洒水，采用透水性能较好的透水土工布覆盖；当新浇筑的混凝土与地表水或地下水接触时，应采取临时防护措施，直至混凝土达到50%以上的强度为止，并不小于7d；混凝土在炎热天气拆模后，若天气发生骤然变化时，应采取适当的保温隔热措施，防止混凝土表面开裂。（十二）、路涵过渡段1、该涵洞两侧设置倒梯形路涵过渡段（坡比为1:2，每级台阶高60cm台阶纵向总长10.2m），过渡段基底纵向长2m。根据该涵洞涵顶至路肩的距离＞1m，求得该涵洞两侧过渡段长均为12.2m（注：2+2*（4.7+0.4）），过渡段开挖底面标高为涵洞底板顶标高，massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n并与距边墙1m距离内超挖1m回填混凝土或灰土。过渡段底板至涵洞顶范围内填筑级配碎石+3%水泥，路肩顶面往下40cm为普通级配碎石，中间填筑AB组填料。2、回填工作由人工配合机械实施，距离涵洞较近部位采用小型夯实机夯实，较远部位可采用压路机3、涵洞顶面路基填筑需要涵洞混凝土强度达到100%后方可实施，且涵洞顶距路肩距离小于1m时，不允许用压路机施工。四、安全施工安全保证技术措施见下表：序号项目安全保证技术措施责任人1开工准备1、建立和健全安全生产责任制和安全保障体系，成立安全生产领导机构和三防机构，配备专职安全员。2、加强全员安全意识教育，贯彻“安全第一，预防为主”的方针，定期组织职工进行安全学习，定期进行安全大检查。3、各分项工程开工前或特殊、关键工序开始前，进行详细的安全技术交底。马德文2施工现场1、施工便道布置畅通，排水良好。2、按施工平面布置图规定位置安放施工机械和堆放材料。3、施工区域与高压电线等的距离要符合安全距离要求。4、各危险部位、项目的警告标志齐全。5、安全守则、安全管理规定、安全生产责任及文明施工宣传标语、张贴、张挂于显眼或人员集中处。6、设置齐全的安全宣传标语牌、操作规程牌。任明3基坑开挖1、基坑坑壁坡度应按确保边坡稳定、施工安全的原则确定，并符合下列要求：⑴、当在天然土层上挖基，基坑深度在5m以内，施工期较短、基坑底在地下水位以上，土的湿度接近最佳含水量、土层构造均匀时，坑壁坡度采用下表中的数值。坑壁土坑壁坡度基坑顶缘无载重基坑顶缘有重载基坑顶缘有动载砂类土1：11：1.251：1.5黏性土、粉土1：0.331：0.51：0.75注：挖基坑通过不同的土层时，边坡可分层选定，并酌留平台。⑵、基坑深度大于5m时，应将坑壁坡度适当放缓或加设平台，并编制基坑开挖安全专项施工方案。2、当地下水位在基坑底以上时，地下水位以上部分可放坡开挖；地下水位以下部分，当土质易坍塌或水位在基坑底以上较深时，应加固坑壁开挖。3、基坑顶有动载时，坑顶缘与动载间应留有大于1m的护道，当动载过大时，应增宽护道或采取加固措施。4、弃土堆坡脚距顶缘的距离不小于基坑的深度，且不得阻塞河道。5、开挖过程中，若遇地下水，根据水流量大小设置集水坑及抽水泵，使地下水位始终保持在开挖面以下。基顶设临时排水沟，防止水流入坑内。排水沟距基坑顶缘的距离应大于护道距基坑顶缘的距离。任明massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n4雨季施工1、雨季施工时，应及时排除施工现场积水。脚手架、斜道板上应采取防滑措施。加强脚手架的检查，防止倾倒。2、长时间在雨季中作业的工程项目，应根据条件设置挡雨棚。施工中遇有暴风雨应暂停施工。任明5防火安全1、设专职消防员，成立消防突击队，并不定期进行消防演习和培训。2、建立定期防火检查制度，对生活区及工地现场进行防火检查，将隐患消灭于萌芽之中。3、生活区配备充足的灭火器材以备急用。4、施工现场周围都是民居，施工时要采取有效的防火、防雷措施，防止森林火灾的发生。任明6夜间作业1、注意安排好工作计划，劳逸结合，尽量避免夜间作业。2、夜间施工时，施工现场必须有足够的照明。施工住地（包括民工住地）要设置路灯。3、用于上下攀登的通道必须设有足够的照明灯具。任明7安全用电1、严格遵守建设部《施工现场临时用电安全技术规范》（JTJ47--88）的规定，搞好本工程的用电安全工作。2、工地供电采用TN--S系统三相五线制系统。用电线路采用高架或埋地铺设，原则上不准明铺。场内架设电线应绝缘良好，悬挂高度及线间距应符合电业部门的安全规定。3、各种电器设备，符合一机一箱、一闸一保的用电要求。4、现场接灯照明时，凡危险场所及潮湿环境应使用安全电压；灯安装在工作时触碰不着的地方；保持一灯一开关且有防雨装置。5、各种电气设备的检查维修，一般应停电维修，并挂上警示牌。严禁在施工现场使用金属体代替保险丝。6、工地安装的变压器必须符合电业部门的要求，并设专人管理。变配电设备处，配用专用灭火设备和高压安全用具。非电工人员严禁接近带电设备。7、移动式电气机具设备应用橡胶电缆供电。8、施工现场，应有自备电源，以免因电网停电造成工程损失和出现事故。自备使用的发电机组的排烟管道必须伸出室外。室内不应存贮油桶及其它易燃物体，发电机组电源和电网之间要有联锁保护，严禁并列运行。电工人员应持证上岗。任明8防暴雨1、暴雨期施工应注意收集气象预报，做好防暴雨工作。2、处于暴雨可能浸没地带的机械设备、材料做好防范措施。3、检查工地临设牢固情况，对认为在暴雨袭击中有危险的脚手架、高空设施等要做好加固措施。任明9其它1、搞好易燃、易爆物品的管理，设立专库储存，库房设计符合安全技术规范。有专人负责发放和监督使用。2、临时设施符合有关安全技术规范的要求，重要临时设施的通道、供水、供电、排水都应有相应的方案设计。3、各种气瓶的使用和运输严格遵守安全技术规范。任明编制：复核：接收人：massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\n技术交底签收表序号姓名单位职务时间备注massestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13\nmassestour;Increasetheintensityoftheinvestigationandmediationofdisputes,fullimplementationofthebacklogforprocessingoflettersandcallssystemofleadingcadres;Keepagainstallformsofillegalandcriminalactivitiesofhighhanded,ensureagoodsocialorder;Strengthenthecollectionofintelligenceanalysis,closelyguardedactivitiesofevilcults;Fullimplementationofthesocialsecuritypreventionandcontrolinkeyareasandthetreatmentofseriouspublicsecurityissuestotroubleshoot,ensuringharmonyandstability.Fourfurtherstrengthenpublicityandideologicalwork.Typicalhighlightsofselectedtreecultivation,andmoralexemplarsintheprovincedonothaveemerged,respectingthemoralmodelHangLiPoh,theprovincialworkerYuYoubo,State-levelmodelworkerFanYouzhi,HuJingqiu,includingYunnan,nujiang'sfinest,promotedthetheme,thecombinationofapositiveenergy.HunansatelliteTVinwangjiduVillagecompletedthemetamorphosisoftheshow'sfilming,silentnunutelevisionprogramairedthe"busybody"LaoLi,ancientvillage,woodandJiacunandXXmvillageswereratedasprovincialandStatelevelcivilizedvillage.XXinternationalvisibilityandreputationfurtherenhanced.Inaddition,wecontinuetopromotedemocracy,people'scongresses,politicalconsultativeconferenceroleplay,gongqingfu,amassorganizationtobetterservethescientificdevelopment.Further13