复旦大学先进材料国家实验室(一期)大体积砼浇筑方案

PUSHINGAHEAD,EAST,NORTH,WESTDEVELOPMENT,FACILITATINGSHANTY,COMPLETEXINCHENGWESTROAD,STABILITYANDRECONSTRUCTIONOFTHESTREET,STARDINGGARDENBUILTCENTURYGARDENDISTRICT,SUBJECTPUBLICHOUSINGCONSTRUCTION,HEATINGTHEGASEXPANSIONACCELERATEDIMPLEMENTATION,JINGRUIRIVERANDBRIDGESTYLELINESOLIDSHAFT,FURTHEREXPANDEDTHETOWNDEVELOPMENTBEAUTIFULCOUNTRYADHERETOTHEADVANCEANDTYPICALFORAGROUPTOLEADACCORDINGTO“ECOLOGICALLAYBASED,ANDINDUSTRYINCREASEDINCOME,ANDLIVEUPGRADECIVILIZATION,ANDCULTURERICHCONNOTATION“OFTHOUGHT,CAUGHTBUILTBEAUTIFULVILLAGE,ANDWHOLEVILLAGEADVANCE,ANDEASILYRELOCATION,AND“FIVEMODIFIEDTHREEBUILT“,PROJECTNEAR30ADEPTHINTOECOLOGICAL,ANDINDUSTRY,ANDCULTURE,ANDTOURISM,ELEMENTS,HIGHSTANDARDSCAUGHTPARTYORIGINALCITYLIU,ANDJADEAREXIAAO,MODELVILLAGE,INPROVINCECITYSETHASBENCHMARKFOURISEQUALBENEFITSTOPROMOTESHARING,COORDINATEDDEVELOPMENTOFVARIOUSSOCIALUNDERTAKINGSINTHECASEOFRIGIDSPENDINGSLOWINGREVENUEGROWTH,INCREASE,FINANCIAL75TOTHEPEOPLESLIVELIHOOD,THEMASSESHAVEMOREACCESSINTHESHARINGCUOBANSOMETHINGGOODANDBENEFITADHERETOTHEAFFORDABLE,BEST,CAREFULLYCUOBANVILLAGEOIL,WATERANDHEAT,CULTURAL,CITYANDCOUNTYCOLUMNSPRACTICAL,DEVELOPMENTSBENEFITFAMILIES,BRINGMOREWELFARETOTHEMASSESDEVELOPMENTOFSOCIALCONVENIENCEACCEPTANCEOFBALANCEDDEVELOPMENTOFCOMPULSORYEDUCATIONTHROUGHTHENATIONALASSESSMENT,THECOUNTYVOCATIONALEDUCATIONCENTERWASNAMED“TOPSCHOOLOFVOCATIONALEDUCATIONINCHINA“,THETHIRDBATCHOFNATIONALREFORMANDDEVELOPMENTMODELTHROUGHPROVINCIALFIVEISTODEEPENREFORMANDINNOVATIONTOBREAKBOTTLENECKSANDENDOGENOUSDEVELOPMENTOFEFFECTIVEFIREASANENGINEOFDYNAMISM,ADDINGREFORMKEYTOADOPTINGREFORMMEASURESSTRESSENERGYANDBREAKBOTTLENECKSANDPROMOTINGDEVELOPMENTPAYCLOSEATTENTIONTOTHEKEYAREASOFREFORMCONSCIENTIOUSLYIMPLEMENTTHEPROVINCIALDEPLOYMENTANDCANCEL,ADJUSTMENT,TOUNDERTAKETHEADMINISTRATIVEAPPROVALITEMSACCORDINGTOREGULATION347TOFURTHERIMPROVEADMINISTRATIVEEFFICIENCYCONTINUINGDEEPENINGREFORMFORPOVERTYALLEVIATION,SPEEDINGUPRURALLANDRIGHTREGISTRATIONCERTIFICATIONPILOTPROJECT,ENCOURAGINGTHEORDERLYTRANSFEROFLANDMANAGEMENT,UTILIZETHELANDRESOURCES,INORDERTOPROMOTESCALEMANAGEMENTLAIDTHEFOUNDATIONACTIVELYCULTIVATETHEMARKETFIRMLYESTABLISHAMARKETORIENTED,NURTURINGFAMILYFARMS,INDUSTRIALUSERS,PROFESSIONALCOOPERATIONORGANIZATIONNEWMARKETMANAGEMENTMAINBODY456,EFFECTIVELYIMPROVETHEINDUSTRY,INTENSIVEANDMARKETIZATIONOFENCOURAGINGSUPPORTSOCIALCAPITALINTOTHESMALLMICROCREDIT,URBANDEVELOPMENT,CULTUREANDTOURISM,PUBLICSERVICESANDOTHERAREAS,EASINGDEVELOPMENTSHORTFALLTOPROMOTEMASSINNOVATIONTOSUPPORTTHERURALSECTORTOUSENEWTHINKINGANDNEWIDEAS,CREATIVEWORKINCENTIVESSUCHASACTIVELYPROMOTINGFINANCIALINTERMEDIATION,BRINGADDED159INNONPUBLICENTERPRISES,INDIVIDUALLY1540,CREATEDA康王路隧道工程投标文件先进材料国家实验室底板浇注施工方案一、编制依据上海华东建设发展设计有限公司的施工图及有关设计文件。同济大建筑设计研究院复旦大学新江湾校区先进材料国家实验室基坑围护方案。现行的国家规范、规程和质量验收评定标准。现行国家安全技术操作规程。上海地区现场文明施工条例。设计图纸交底会议纪要。二、参建单位工程建设单位复旦大学设计单位上海华东建设发展设计有限公司监理单位上海建设咨询监理有限公司总包单位上海建工股份有限公司施工单位南通四建集团有限公司三、工程概况复旦大学先进材料国家实验室（一期）位于复旦大学新江湾校区内，南临经五路、东频淞沪路、西依纬一路、北接经四路。地下一层，地下室层高48M，设备夹层层高22M地上八层，一层层高57M,二至八层层高为42M，顶层层高为55M。总建筑面积22800M2,占地面积3270M2，建筑总高度412M，建筑主体结构为钢筋混凝土结构。本工程地下室建筑面积34738M2，地下人防浇筑面积2024M2,战时掩蔽人数1280人，地下室建成战时6级人防工程，为平战转换项目，人防地下室室内地坪标高为7000M；顶板标高为2200M；基础底板为钢筋砼筏板，底板厚120M，局部有集水坑处底板厚度达到39M厚属大集积砼，须按大体积砼要求施工。垫层厚100，地基与基础设计等级为乙级。0000M相当于吴淞高程5300M，现有室外自然地坪吴淞高程420M。专业施工均有专有专项施工方案，本施工方案仅阐述基础部分筏板大体积砼浇筑的施工。主要尺寸参数底板东西向长1044M南北向宽489M，厚12M；后浇带有两条一条位于20轴向19轴方向15M处；另一条位于7轴向8轴15M处，长度为239M,宽度为10M,砼方量及强度等级底板C35防水砼4593M3（两后浇带两恻（1轴到7轴称C区；20轴到26轴称A区）为共2000M3左右；两后浇带之间（称为B区）为2593M3左右）存在问题本工程特殊性在于A、复式围护结构（水泥搅拌桩加土钉墙）；B、建筑物周边即围护桩外117M范围内土作卸载，卸土厚度为24M。故底板砼浇筑时，砼泵车及搅拌运输车需通行于卸土平台之上，忽然增加的静、活荷载可能会给基坑围护造成一定的影响，鉴于此因，砼浇筑采用先浇注20轴到26轴（即A区）段，第二次B、C区连续浇注。A区相对而言，砼方量较少，车辆自然少很多，给基坑造成安全影响要小些。而且，通行坡道靠近26轴，做到了就近浇筑。施工中，有专人指挥车辆，严禁车辆通行或停靠于坑边。该区段我们有意识地将AB轴、JK轴、2526轴段的底板，PUSHINGAHEAD,EAST,NORTH,WESTDEVELOPMENT,FACILITATINGSHANTY,COMPLETEXINCHENGWESTROAD,STABILITYANDRECONSTRUCTIONOFTHESTREET,STARDINGGARDENBUILTCENTURYGARDENDISTRICT,SUBJECTPUBLICHOUSINGCONSTRUCTION,HEATINGTHEGASEXPANSIONACCELERATEDIMPLEMENTATION,JINGRUIRIVERANDBRIDGESTYLELINESOLIDSHAFT,FURTHEREXPANDEDTHETOWNDEVELOPMENTBEAUTIFULCOUNTRYADHERETOTHEADVANCEANDTYPICALFORAGROUPTOLEADACCORDINGTO“ECOLOGICALLAYBASED,ANDINDUSTRYINCREASEDINCOME,ANDLIVEUPGRADECIVILIZATION,ANDCULTURERICHCONNOTATION“OFTHOUGHT,CAUGHTBUILTBEAUTIFULVILLAGE,ANDWHOLEVILLAGEADVANCE,ANDEASILYRELOCATION,AND“FIVEMODIFIEDTHREEBUILT“,PROJECTNEAR30ADEPTHINTOECOLOGICAL,ANDINDUSTRY,ANDCULTURE,ANDTOURISM,ELEMENTS,HIGHSTANDARDSCAUGHTPARTYORIGINALCITYLIU,ANDJADEAREXIAAO,MODELVILLAGE,INPROVINCECITYSETHASBENCHMARKFOURISEQUALBENEFITSTOPROMOTESHARING,COORDINATEDDEVELOPMENTOFVARIOUSSOCIALUNDERTAKINGSINTHECASEOFRIGIDSPENDINGSLOWINGREVENUEGROWTH,INCREASE,FINANCIAL75TOTHEPEOPLESLIVELIHOOD,THEMASSESHAVEMOREACCESSINTHESHARINGCUOBANSOMETHINGGOODANDBENEFITADHERETOTHEAFFORDABLE,BEST,CAREFULLYCUOBANVILLAGEOIL,WATERANDHEAT,CULTURAL,CITYANDCOUNTYCOLUMNSPRACTICAL,DEVELOPMENTSBENEFITFAMILIES,BRINGMOREWELFARETOTHEMASSESDEVELOPMENTOFSOCIALCONVENIENCEACCEPTANCEOFBALANCEDDEVELOPMENTOFCOMPULSORYEDUCATIONTHROUGHTHENATIONALASSESSMENT,THECOUNTYVOCATIONALEDUCATIONCENTERWASNAMED“TOPSCHOOLOFVOCATIONALEDUCATIONINCHINA“,THETHIRDBATCHOFNATIONALREFORMANDDEVELOPMENTMODELTHROUGHPROVINCIALFIVEISTODEEPENREFORMANDINNOVATIONTOBREAKBOTTLENECKSANDENDOGENOUSDEVELOPMENTOFEFFECTIVEFIREASANENGINEOFDYNAMISM,ADDINGREFORMKEYTOADOPTINGREFORMMEASURESSTRESSENERGYANDBREAKBOTTLENECKSANDPROMOTINGDEVELOPMENTPAYCLOSEATTENTIONTOTHEKEYAREASOFREFORMCONSCIENTIOUSLYIMPLEMENTTHEPROVINCIALDEPLOYMENTANDCANCEL,ADJUSTMENT,TOUNDERTAKETHEADMINISTRATIVEAPPROVALITEMSACCORDINGTOREGULATION347TOFURTHERIMPROVEADMINISTRATIVEEFFICIENCYCONTINUINGDEEPENINGREFORMFORPOVERTYALLEVIATION,SPEEDINGUPRURALLANDRIGHTREGISTRATIONCERTIFICATIONPILOTPROJECT,ENCOURAGINGTHEORDERLYTRANSFEROFLANDMANAGEMENT,UTILIZETHELANDRESOURCES,INORDERTOPROMOTESCALEMANAGEMENTLAIDTHEFOUNDATIONACTIVELYCULTIVATETHEMARKETFIRMLYESTABLISHAMARKETORIENTED,NURTURINGFAMILYFARMS,INDUSTRIALUSERS,PROFESSIONALCOOPERATIONORGANIZATIONNEWMARKETMANAGEMENTMAINBODY456,EFFECTIVELYIMPROVETHEINDUSTRY,INTENSIVEANDMARKETIZATIONOFENCOURAGINGSUPPORTSOCIALCAPITALINTOTHESMALLMICROCREDIT,URBANDEVELOPMENT,CULTUREANDTOURISM,PUBLICSERVICESANDOTHERAREAS,EASINGDEVELOPMENTSHORTFALLTOPROMOTEMASSINNOVATIONTOSUPPORTTHERURALSECTORTOUSENEWTHINKINGANDNEWIDEAS,CREATIVEWORKINCENTIVESSUCHASACTIVELYPROMOTINGFINANCIALINTERMEDIATION,BRINGADDED159INNONPUBLICENTERPRISES,INDIVIDUALLY1540,CREATEDA2直接以围护土钉墙为模板，从而使砼直接抵在围护上，也起到一定的支撑作用，为B、C区底板砼的浇筑在安全性上又增加了一道法码。四、泵送砼机具选择1、砼泵车选用DCS115型泵车，额定最大输送砼量70M3125管径最大水平输送距离420M；最大垂直输送距离100M泵车台数NQH/QMAX3500/48/700432台要求配备臂长36M泵车两台即能满足要求。2、砼搅拌运输车选用NOSTQ1069型砼搅拌运输车，搅拌筒容量87M3运输砼容量60M3每台泵车所需砼搅拌运输车台数NGQMAX（60/ST）/60V125043（6015/20015）/6067辆运输距离15KM所需砼搅拌运输车辆总数NG2714台如运输距离15KM时所需砼搅拌运输车辆总数相应增减。五、浇注顺序和泵车布置浇注顺序原则分块、分层浇筑。分块系以后浇带为分界线分为东西两块。分层垂向分为三层，每层600；水平距离以初凝时间为控制，到达初凝时间时，转向第二层。当第二层浇注到达预定的第二层初凝时间时，转向第三层。第三层浇完时，继续浇第一层。泵车平面布置如图所示。六、砼温差、收缩、约束与收缩应力期龄当量温差综合温差松驰系数弹性模量收缩应力起点温升372950C31512701861610461469377020821104005533914254630212234104007717121382468021524810400838415134140402302581040093311813033200252265104007180211264286030127010400780024122520203672741040068252711922490473276104010920301186259127910402427T302808789结果砼最高温升TMAXT0Q/10F/5010265/1026515/50372950C砼最高温升发生的时间为砼浇后第三天（即期龄3）砼的初凝时间估算PUSHINGAHEAD,EAST,NORTH,WESTDEVELOPMENT,FACILITATINGSHANTY,COMPLETEXINCHENGWESTROAD,STABILITYANDRECONSTRUCTIONOFTHESTREET,STARDINGGARDENBUILTCENTURYGARDENDISTRICT,SUBJECTPUBLICHOUSINGCONSTRUCTION,HEATINGTHEGASEXPANSIONACCELERATEDIMPLEMENTATION,JINGRUIRIVERANDBRIDGESTYLELINESOLIDSHAFT,FURTHEREXPANDEDTHETOWNDEVELOPMENTBEAUTIFULCOUNTRYADHERETOTHEADVANCEANDTYPICALFORAGROUPTOLEADACCORDINGTO“ECOLOGICALLAYBASED,ANDINDUSTRYINCREASEDINCOME,ANDLIVEUPGRADECIVILIZATION,ANDCULTURERICHCONNOTATION“OFTHOUGHT,CAUGHTBUILTBEAUTIFULVILLAGE,ANDWHOLEVILLAGEADVANCE,ANDEASILYRELOCATION,AND“FIVEMODIFIEDTHREEBUILT“,PROJECTNEAR30ADEPTHINTOECOLOGICAL,ANDINDUSTRY,ANDCULTURE,ANDTOURISM,ELEMENTS,HIGHSTANDARDSCAUGHTPARTYORIGINALCITYLIU,ANDJADEAREXIAAO,MODELVILLAGE,INPROVINCECITYSETHASBENCHMARKFOURISEQUALBENEFITSTOPROMOTESHARING,COORDINATEDDEVELOPMENTOFVARIOUSSOCIALUNDERTAKINGSINTHECASEOFRIGIDSPENDINGSLOWINGREVENUEGROWTH,INCREASE,FINANCIAL75TOTHEPEOPLESLIVELIHOOD,THEMASSESHAVEMOREACCESSINTHESHARINGCUOBANSOMETHINGGOODANDBENEFITADHERETOTHEAFFORDABLE,BEST,CAREFULLYCUOBANVILLAGEOIL,WATERANDHEAT,CULTURAL,CITYANDCOUNTYCOLUMNSPRACTICAL,DEVELOPMENTSBENEFITFAMILIES,BRINGMOREWELFARETOTHEMASSESDEVELOPMENTOFSOCIALCONVENIENCEACCEPTANCEOFBALANCEDDEVELOPMENTOFCOMPULSORYEDUCATIONTHROUGHTHENATIONALASSESSMENT,THECOUNTYVOCATIONALEDUCATIONCENTERWASNAMED“TOPSCHOOLOFVOCATIONALEDUCATIONINCHINA“,THETHIRDBATCHOFNATIONALREFORMANDDEVELOPMENTMODELTHROUGHPROVINCIALFIVEISTODEEPENREFORMANDINNOVATIONTOBREAKBOTTLENECKSANDENDOGENOUSDEVELOPMENTOFEFFECTIVEFIREASANENGINEOFDYNAMISM,ADDINGREFORMKEYTOADOPTINGREFORMMEASURESSTRESSENERGYANDBREAKBOTTLENECKSANDPROMOTINGDEVELOPMENTPAYCLOSEATTENTIONTOTHEKEYAREASOFREFORMCONSCIENTIOUSLYIMPLEMENTTHEPROVINCIALDEPLOYMENTANDCANCEL,ADJUSTMENT,TOUNDERTAKETHEADMINISTRATIVEAPPROVALITEMSACCORDINGTOREGULATION347TOFURTHERIMPROVEADMINISTRATIVEEFFICIENCYCONTINUINGDEEPENINGREFORMFORPOVERTYALLEVIATION,SPEEDINGUPRURALLANDRIGHTREGISTRATIONCERTIFICATIONPILOTPROJECT,ENCOURAGINGTHEORDERLYTRANSFEROFLANDMANAGEMENT,UTILIZETHELANDRESOURCES,INORDERTOPROMOTESCALEMANAGEMENTLAIDTHEFOUNDATIONACTIVELYCULTIVATETHEMARKETFIRMLYESTABLISHAMARKETORIENTED,NURTURINGFAMILYFARMS,INDUSTRIALUSERS,PROFESSIONALCOOPERATIONORGANIZATIONNEWMARKETMANAGEMENTMAINBODY456,EFFECTIVELYIMPROVETHEINDUSTRY,INTENSIVEANDMARKETIZATIONOFENCOURAGINGSUPPORTSOCIALCAPITALINTOTHESMALLMICROCREDIT,URBANDEVELOPMENT,CULTUREANDTOURISM,PUBLICSERVICESANDOTHERAREAS,EASINGDEVELOPMENTSHORTFALLTOPROMOTEMASSINNOVATIONTOSUPPORTTHERURALSECTORTOUSENEWTHINKINGANDNEWIDEAS,CREATIVEWORKINCENTIVESSUCHASACTIVELYPROMOTINGFINANCIALINTERMEDIATION,BRINGADDED159INNONPUBLICENTERPRISES,INDIVIDUALLY1540,CREATEDA广州市广园东路延长线工程YA5标段投标文件施工组织设计3T200/T01545H3、砼抗裂的安全度KFC/19/08789216K115结论只要保证水泥、骨料等原材料质量，细心浇捣，浇注后精心做好科学的保温保湿养护，不会产生不应有裂缝。施工注意事项1）、要求搅拌站使用同一产地优质砂、石骨料，同一厂家的水泥，统一级配，统一配合比以保证原材料的质量。2）、浇注按规定的分块、分层顺序进行，以保证控制砼温差和收缩。砼捣固应定人，定点，定任务以保证砼不漏震，不过震达到砼的外光内实。3）、精心养护是大体积砼保证质量的重要措施，要保温保湿。保温保湿材料厚度05H（T2T）K（TMAXT2）05120052（1412）/0233（3729514）160018M18CM厚（一层麻袋）K16H12MT2砼表面温度TMAX砼中最高温度TG（浇后35D）时最高平均气温保温材料的导热系数（00520063）砼导热系数（0233W/MK）根据热交换原理，每M3砼在规定时间内，内部中心温度降到表面温度时方出的热量等于砼养护期间散失到大气的热量。此时砼所需的热阻系数RXM（TMAXT2）K/70TJMCW60005265453013/70035028280200461237152W砼在指定龄期内水泥的水化热（KJ/KG），3D时W20046X砼维持到指定温度的延续时间，25D时，X600HM砼表面系数F/V1440/27360526TJ砼浇注温度350CMC每立方砼水泥用量280KG蓄水养护所需水深HR结论蓄水养护不可取。七、混凝土施工尽量不在夜间加班，考虑设置2台汽车泵，另备1台汽车泵备用，接两根软管进行泵送砼。每台泵的浇捣速度平均每小时不少于30M3，2台泵每小时供应砼量不少于90M3，由于砼供应速度大于砼初凝速度，确保了砼在分层处不出现冷缝。砼表面处理做到“三压三平”。首先按面标高用煤撬拍板压实，长刮尺刮平；其次初凝前用铁滚筒数遍碾压、滚平；最后终凝前，用木蟹打磨压实、整平，防止砼出现收水裂缝。砼浇捣前及浇捣时，基坑表面积水，由设置在垫层内的临时集水井用潜水泵向基坑外抽出。PUSHINGAHEAD,EAST,NORTH,WESTDEVELOPMENT,FACILITATINGSHANTY,COMPLETEXINCHENGWESTROAD,STABILITYANDRECONSTRUCTIONOFTHESTREET,STARDINGGARDENBUILTCENTURYGARDENDISTRICT,SUBJECTPUBLICHOUSINGCONSTRUCTION,HEATINGTHEGASEXPANSIONACCELERATEDIMPLEMENTATION,JINGRUIRIVERANDBRIDGESTYLELINESOLIDSHAFT,FURTHEREXPANDEDTHETOWNDEVELOPMENTBEAUTIFULCOUNTRYADHERETOTHEADVANCEANDTYPICALFORAGROUPTOLEADACCORDINGTO“ECOLOGICALLAYBASED,ANDINDUSTRYINCREASEDINCOME,ANDLIVEUPGRADECIVILIZATION,ANDCULTURERICHCONNOTATION“OFTHOUGHT,CAUGHTBUILTBEAUTIFULVILLAGE,ANDWHOLEVILLAGEADVANCE,ANDEASILYRELOCATION,AND“FIVEMODIFIEDTHREEBUILT“,PROJECTNEAR30ADEPTHINTOECOLOGICAL,ANDINDUSTRY,ANDCULTURE,ANDTOURISM,ELEMENTS,HIGHSTANDARDSCAUGHTPARTYORIGINALCITYLIU,ANDJADEAREXIAAO,MODELVILLAGE,INPROVINCECITYSETHASBENCHMARKFOURISEQUALBENEFITSTOPROMOTESHARING,COORDINATEDDEVELOPMENTOFVARIOUSSOCIALUNDERTAKINGSINTHECASEOFRIGIDSPENDINGSLOWINGREVENUEGROWTH,INCREASE,FINANCIAL75TOTHEPEOPLESLIVELIHOOD,THEMASSESHAVEMOREACCESSINTHESHARINGCUOBANSOMETHINGGOODANDBENEFITADHERETOTHEAFFORDABLE,BEST,CAREFULLYCUOBANVILLAGEOIL,WATERANDHEAT,CULTURAL,CITYANDCOUNTYCOLUMNSPRACTICAL,DEVELOPMENTSBENEFITFAMILIES,BRINGMOREWELFARETOTHEMASSESDEVELOPMENTOFSOCIALCONVENIENCEACCEPTANCEOFBALANCEDDEVELOPMENTOFCOMPULSORYEDUCATIONTHROUGHTHENATIONALASSESSMENT,THECOUNTYVOCATIONALEDUCATIONCENTERWASNAMED“TOPSCHOOLOFVOCATIONALEDUCATIONINCHINA“,THETHIRDBATCHOFNATIONALREFORMANDDEVELOPMENTMODELTHROUGHPROVINCIALFIVEISTODEEPENREFORMANDINNOVATIONTOBREAKBOTTLENECKSANDENDOGENOUSDEVELOPMENTOFEFFECTIVEFIREASANENGINEOFDYNAMISM,ADDINGREFORMKEYTOADOPTINGREFORMMEASURESSTRESSENERGYANDBREAKBOTTLENECKSANDPROMOTINGDEVELOPMENTPAYCLOSEATTENTIONTOTHEKEYAREASOFREFORMCONSCIENTIOUSLYIMPLEMENTTHEPROVINCIALDEPLOYMENTANDCANCEL,ADJUSTMENT,TOUNDERTAKETHEADMINISTRATIVEAPPROVALITEMSACCORDINGTOREGULATION347TOFURTHERIMPROVEADMINISTRATIVEEFFICIENCYCONTINUINGDEEPENINGREFORMFORPOVERTYALLEVIATION,SPEEDINGUPRURALLANDRIGHTREGISTRATIONCERTIFICATIONPILOTPROJECT,ENCOURAGINGTHEORDERLYTRANSFEROFLANDMANAGEMENT,UTILIZETHELANDRESOURCES,INORDERTOPROMOTESCALEMANAGEMENTLAIDTHEFOUNDATIONACTIVELYCULTIVATETHEMARKETFIRMLYESTABLISHAMARKETORIENTED,NURTURINGFAMILYFARMS,INDUSTRIALUSERS,PROFESSIONALCOOPERATIONORGANIZATIONNEWMARKETMANAGEMENTMAINBODY456,EFFECTIVELYIMPROVETHEINDUSTRY,INTENSIVEANDMARKETIZATIONOFENCOURAGINGSUPPORTSOCIALCAPITALINTOTHESMALLMICROCREDIT,URBANDEVELOPMENT,CULTUREANDTOURISM,PUBLICSERVICESANDOTHERAREAS,EASINGDEVELOPMENTSHORTFALLTOPROMOTEMASSINNOVATIONTOSUPPORTTHERURALSECTORTOUSENEWTHINKINGANDNEWIDEAS,CREATIVEWORKINCENTIVESSUCHASACTIVELYPROMOTINGFINANCIALINTERMEDIATION,BRINGADDED159INNONPUBLICENTERPRISES,INDIVIDUALLY1540,CREATEDA4基础砼施中要注意地下室底板渗水的位置，往往不在施工缝处，而是在导墙与底板的90度夹角之间产生，这是因为当底板砼振捣时，对底板钢筋产生了震动压力，这些应力传递到了导墙与底板的结合部位，在导墙砼的凝固过程中，受应力的影响而产生毛细裂缝，地下水通过这些毛细裂缝，产生渗水现象，为了防止这些渗水现象产生，在导墙与底板砼捣制时，对导墙部位要采取二次振捣方式，即导墙砼初凝强度到达前进行第二次振捣（大约和第一次振捣间隔1小时左右），以此来消除第一次振捣过程中产生的毛细裂缝，杜绝渗水源。七、控制砼裂缝的措施大体积钢筋砼结构引起裂缝的主要原因是水泥水化热的大量积聚，使砼内产生早期温升和后期降温时的温度应力，故施工中采取下列措施来降低温差，防止出现构裂缝。化砼配合比（通知砼供应商）对于筏板基础来说，一般不会很快就增加结构荷载，因此充分利用砼的中后期强度，可有效地降低水泥用量，选用中低热水泥，以降低水泥水化所产生的热量，从而控制大体积砼的温度升高。粗骨料选用粒径为540连续级配或516、2040双级配碎石，细骨料选用细度模数25左右的中砂。严格控制粗细骨料的含泥量，石子控制在1以下，黄砂控制在2以下，如含泥量大，不仅会增砼的收缩，而且会引起砼的抗拉强度的降低，对砼的抗裂不利。掺入一定量的磨细粉煤灰，发挥其“滚珠效应”，以改善砼的和易性，提高砼的可泵性，并因此取代部分水泥，降低了砼的水化热，而使得砼的升温减小。掺入具有缓、减水作用的WL1型外加剂，以改善砼的性能。加入外加剂后，可延长砼的凝结时间，采取分层浇筑砼，利用浇筑面散热，并可大大减少施工中出现冷缝的可能性。坍落度控制在14020。凝结时间初凝时间为910小时，终凝时间为1213小时。2、采用分层浇筑砼必须连续、分层浇筑，分层浇筑的目的是通过增大表系数，以利于砼的内部散热。目录（第一部分）第1章施工组织总说明及编制依据111工程概况2111工程简介2112工程技术标准及结构类型2PUSHINGAHEAD,EAST,NORTH,WESTDEVELOPMENT,FACILITATINGSHANTY,COMPLETEXINCHENGWESTROAD,STABILITYANDRECONSTRUCTIONOFTHESTREET,STARDINGGARDENBUILTCENTURYGARDENDISTRICT,SUBJECTPUBLICHOUSINGCONSTRUCTION,HEATINGTHEGASEXPANSIONACCELERATEDIMPLEMENTATION,JINGRUIRIVERANDBRIDGESTYLELINESOLIDSHAFT,FURTHEREXPANDEDTHETOWNDEVELOPMENTBEAUTIFULCOUNTRYADHERETOTHEADVANCEANDTYPICALFORAGROUPTOLEADACCORDINGTO“ECOLOGICALLAYBASED,ANDINDUSTRYINCREASEDINCOME,ANDLIVEUPGRADECIVILIZATION,ANDCULTURERICHCONNOTATION“OFTHOUGHT,CAUGHTBUILTBEAUTIFULVILLAGE,ANDWHOLEVILLAGEADVANCE,ANDEASILYRELOCATION,AND“FIVEMODIFIEDTHREEBUILT“,PROJECTNEAR30ADEPTHINTOECOLOGICAL,ANDINDUSTRY,ANDCULTURE,ANDTOURISM,ELEMENTS,HIGHSTANDARDSCAUGHTPARTYORIGINALCITYLIU,ANDJADEAREXIAAO,MODELVILLAGE,INPROVINCECITYSETHASBENCHMARKFOURISEQUALBENEFITSTOPROMOTESHARING,COORDINATEDDEVELOPMENTOFVARIOUSSOCIALUNDERTAKINGSINTHECASEOFRIGIDSPENDINGSLOWINGREVENUEGROWTH,INCREASE,FINANCIAL75TOTHEPEOPLESLIVELIHOOD,THEMASSESHAVEMOREACCESSINTHESHARINGCUOBANSOMETHINGGOODANDBENEFITADHERETOTHEAFFORDABLE,BEST,CAREFULLYCUOBANVILLAGEOIL,WATERANDHEAT,CULTURAL,CITYANDCOUNTYCOLUMNSPRACTICAL,DEVELOPMENTSBENEFITFAMILIES,BRINGMOREWELFARETOTHEMASSESDEVELOPMENTOFSOCIALCONVENIENCEACCEPTANCEOFBALANCEDDEVELOPMENTOFCOMPULSORYEDUCATIONTHROUGHTHENATIONALASSESSMENT,THECOUNTYVOCATIONALEDUCATIONCENTERWASNAMED“TOPSCHOOLOFVOCATIONALEDUCATIONINCHINA“,THETHIRDBATCHOFNATIONALREFORMANDDEVELOPMENTMODELTHROUGHPROVINCIALFIVEISTODEEPENREFORMANDINNOVATIONTOBREAKBOTTLENECKSANDENDOGENOUSDEVELOPMENTOFEFFECTIVEFIREASANENGINEOFDYNAMISM,ADDINGREFORMKEYTOADOPTINGREFORMMEASURESSTRESSENERGYANDBREAKBOTTLENECKSANDPROMOTINGDEVELOPMENTPAYCLOSEATTENTIONTOTHEKEYAREASOFREFORMCONSCIENTIOUSLYIMPLEMENTTHEPROVINCIALDEPLOYMENTANDCANCEL,ADJUSTMENT,TOUNDERTAKETHEADMINISTRATIVEAPPROVALITEMSACCORDINGTOREGULATION347TOFURTHERIMPROVEADMINISTRATIVEEFFICIENCYCONTINUINGDEEPENINGREFORMFORPOVERTYALLEVIATION,SPEEDINGUPRURALLANDRIGHTREGISTRATIONCERTIFICATIONPILOTPROJECT,ENCOURAGINGTHEORDERLYTRANSFEROFLANDMANAGEMENT,UTILIZETHELANDRESOURCES,INORDERTOPROMOTESCALEMANAGEMENTLAIDTHEFOUNDATIONACTIVELYCULTIVATETHEMARKETFIRMLYESTABLISHAMARKETORIENTED,NURTURINGFAMILYFARMS,INDUSTRIALUSERS,PROFESSIONALCOOPERATIONORGANIZATIONNEWMARKETMANAGEMENTMAINBODY456,EFFECTIVELYIMPROVETHEINDUSTRY,INTENSIVEANDMARKETIZATIONOFENCOURAGINGSUPPORTSOCIALCAPITALINTOTHESMALLMICROCREDIT,URBANDEVELOPMENT,CULTUREANDTOURISM,PUBLICSERVICESANDOTHERAREAS,EASINGDEVELOPMENTSHORTFALLTOPROMOTEMASSINNOVATIONTOSUPPORTTHERURALSECTORTOUSENEWTHINKINGANDNEWIDEAS,CREATIVEWORKINCENTIVESSUCHASACTIVELYPROMOTINGFINANCIALINTERMEDIATION,BRINGADDED159INNONPUBLICENTERPRISES,INDIVIDUALLY1540,CREATEDA广州市广园东路延长线工程YA5标段投标文件施工组织设计5113地形、地貌及地质情况3114主要工程数量4115施工条件4116工程特点5117我公司承担本标段工程施工的优势512施工组织设计编制依据6第2章施工总体部署621工程施工总体目标7211、工期目标7212、质量目标7213、安全目标7214、文明施工及环境保护目标722施工组织机构及人员配备8221、施工管理组织机构8221、人员配备823、设备、人员动员周期和设备、人员、材料运到现场的方法11231、设备、人员动员周期11232、设备、人员、材料运到现场的方法1124、协调、协作措施1225、施工总平面布置12251、场内外施工便道12252、临时设施的布置13253、用水、用电14254、施工总平面布置图14PUSHINGAHEAD,EAST,NORTH,WESTDEVELOPMENT,FACILITATINGSHANTY,COMPLETEXINCHENGWESTROAD,STABILITYANDRECONSTRUCTIONOFTHESTREET,STARDINGGARDENBUILTCENTURYGARDENDISTRICT,SUBJECTPUBLICHOUSINGCONSTRUCTION,HEATINGTHEGASEXPANSIONACCELERATEDIMPLEMENTATION,JINGRUIRIVERANDBRIDGESTYLELINESOLIDSHAFT,FURTHEREXPANDEDTHETOWNDEVELOPMENTBEAUTIFULCOUNTRYADHERETOTHEADVANCEANDTYPICALFORAGROUPTOLEADACCORDINGTO“ECOLOGICALLAYBASED,ANDINDUSTRYINCREASEDINCOME,ANDLIVEUPGRADECIVILIZATION,ANDCULTURERICHCONNOTATION“OFTHOUGHT,CAUGHTBUILTBEAUTIFULVILLAGE,ANDWHOLEVILLAGEADVANCE,ANDEASILYRELOCATION,AND“FIVEMODIFIEDTHREEBUILT“,PROJECTNEAR30ADEPTHINTOECOLOGICAL,ANDINDUSTRY,ANDCULTURE,ANDTOURISM,ELEMENTS,HIGHSTANDARDSCAUGHTPARTYORIGINALCITYLIU,ANDJADEAREXIAAO,MODELVILLAGE,INPROVINCECITYSETHASBENCHMARKFOURISEQUALBENEFITSTOPROMOTESHARING,COORDINA