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目录第一章雨污水工程···········································································2一、准备工作··············································································2（一）技术准备········································································2（二）材料准备········································································2二、施工工艺流程········································································3（一）PVC-U加筋管施工工艺流程···············································3（二）钢筋混凝土管施工工艺流程················································3三、施工方法··············································································3（一）施工测量········································································3（二）雨污水管道基槽开挖·························································4（三）雨污水管道基础施工·························································6（四）雨污水管道安装·······························································8（五）检查井施工····································································10（六）管道闭水试验·································································13（七）管道回填·······································································13（八）车行道路收水口······························································13四、施工质量控制·····································································16五、施工安全管理·····································································16第二章沥青道路工程·······································································16一、准备工作·············································································16（一）技术交底工作··································································2（二）沥青道路设备材料准备·····················································17（三）施工现场人员准备···························································18二、工艺流程·············································································18（一）车行道路路基施工流程·····················································18（二）沥青混凝土施工流程························································19三、操作步骤及工艺····································································20（一）沥青混凝土底层施工工艺··················································20（二）沥青混凝土表面层施工工艺···············································23四、质量控制·············································································27五、注意事项·············································································271第一章雨污水工程一、准备工作（一）技术准备1、图纸审核：项目工程技术部现场水电管理人员认真复核综合管网施工图纸，查看雨污水与煤气等其他管线位置、标高布置是否冲突，检查井设置位置是否合理等。2、编制、审核施工方案：施工前施工单位根据设计要求，结合公司技术标准，编制施工方案，施工方案应由总监理工程师和项目公司、技术部门审核批准。（二）材料准备编制甲供材和主要材料计划，选定材料应满足以下要求：1、直径≤600的小区外雨污水排水管选用PVC-U加筋管，管材规格技术标准见下表规格DN最小平均内径筋高最小壁厚承口内径承口深度承口最小壁厚管长平均偏差最短最长平均偏差DN1501426+1.50.7160+520+50.76000+50DN2252159+1.51.2245+5140+51.26000+50DN30028512+1.51.5328+5170+51.56000+50DN40038518+1.51.7430+5210+51.76000+50DN50048523+1.52.0535+5220+52.06000+50DN60058527+1.52.5650+5300+52.56000+502、直径600的小区外雨污水排水管选用600采用Ⅰ级钢筋混凝土管；3、检查井：宅前宅后的雨污水检查井采用HMCN系列塑料成品检查井（尺2寸φ415），其余采用圆形砖砌检查井。污水检查井采用流槽式（下图1\2）。干管雨水检查井采用落地式检查井（下图3）。（1）（2）（3）二、施工工艺流程：（一）PVC-U加筋管施工工艺流程（二）钢筋混凝土管施工工艺流程三、施工方法：（一）施工测量测量放线沟槽开挖砂石垫层基础管、井安装闭水试验土方回填闭水试验土方回填浇筑砼带状基础检查井安装测量放线沟槽开挖砼垫层基础钢筋混凝土管安装丝网水泥砂浆抹带31、施工前应首先校测已建排水管道接口的标高和位置，确定是否与新建管高一致。管道放线时，应每隔10米设中心桩，在检查井、变换管径处、分支处均应设中心桩，必要时要设置护桩或控制桩。3、开挖沟槽铺设管道的沿线每200米设1个临时水准点。4、施工设置的临时水准点、管道轴线控制桩、高程桩必须经复核后方可使用。（二）雨、污水管道基槽开挖：1、沟槽开挖:管道沟槽底部的开挖宽度，宜按下式计算：B=D1+2（b1+b2+b3）B—管道沟槽底部的开挖宽度（mm）D1—管道结构的外缘宽度（mm）b1—管道一侧的工作面宽度（mm）b2—管道结构的外缘宽度（mm）b3—现场浇筑混凝土或钢筋混凝土管渠一侧模板的厚度宽度（mm）管道一侧的工作面宽度（mm）管道结构的外缘宽度D1管道一侧的工作面宽度b1非金属管道D1≤500400500＜D1≤10005001000＜D1≤15006001500＜D1≤3000800注:1.槽底需设排水沟时,工作面宽度b1应适当增加;2.管道有现场施工的外防腐层时,每侧工作面宽度宜取800mm.2、接口工作坑应配合管道铺设及时开挖。3、管道施工完成后，分层回填压实至设计路面高程。44、管槽开挖根据现场条件和劳动力组织情况采用分段进行开挖，分段长度一般在40-150m左右。管道沟槽应根据现场条件采用人工配合机械开挖。5、当地质条件良好、土质均匀,地下水位低于沟槽底面高程,且开挖深度在5m以内边坡不加支撑时,沟槽边坡最陡坡度应符合下表规定。深度在5m以内的沟槽边坡的最陡坡度土的类别边坡坡度（高：宽）坡向无荷载坡向有静载坡向有动载中密的砂土1：1.001：1.251：1.50中密的碎石类土（充填物为砂土）1：0.751：1.001：1.25硬塑的轻亚粘土1：0.671：0.751：1.00中密的碎石类土（充填物为粘性土）1：0.501：0.671：0.75硬塑的亚粘土、粘土1：0.331：0.501：0.67老黄土1：0.101：0.251：0.33软土（经井点降水后）1：1.00————注：1、当有成熟施工经验时，可不受本表限制；2、在软土沟槽坡顶不宜设置静栽或动载；需要设置时，应对土的承载力和边坡的稳定性进行验算。6、基槽开挖过程中，基槽内如有渗水，采用在基槽边挖集水井，用潜水泵抽出的办法排除。沟槽开挖时，弃土若堆在槽边或在沟槽每侧临时堆土或施加其它荷载时，堆土高度不宜超过1.5m，其距槽边的距离不应小于0.8m，同时应保证槽壁稳定且不影响施工。7、基槽开挖后需进行地基承载力检测；如经检测地基承载力不能满足设计要求时，要对基底重新进行处理，直至符合要求。只有在基底的平整度、标高、轴线位置、坡度和地基承载力等指标均满足要求并经监理验收后才能进入下一工序施工。沟槽开挖的允许偏差见下表：5（三）雨、污水管道基础施工1、管道铺设前，先按照图纸要求施工好垫层，需在垫层上恢复中线，标定管道安装位置。2、按设计基础宽度放样，在沟槽底部每隔4米左右打上木桩并作上标记，用以控制垫层基础的厚度。3、塑料管基础采用360°砂基础：砂卵石料采用人工铺筑，按垫层厚度及基础宽度摊铺、整平，然后夯实。对于高填方段，应用砂卵石先将超挖的0.5米部分进行铺填夯实，然后再施工管道基础部分砂卵石垫层。64、混凝土管采用120°混凝土基础：沟槽经验收合格后，按设计基础宽度放样、支模，将模板支撑加固，并在模板上做好基础砼厚度标记同时涂刷脱模剂。浇筑混凝土时，应边浇边用拍板或平板振动器振捣密实，混凝土浇筑完毕后，12小时内不得浸水，并应进行养护。5、穿越道路的管道当管顶覆土不足700mm时采用C20360°混凝土包封处理（下图），做法砂基础做法。6、铺筑砂卵石垫层基础和浇筑混凝土基础时，应严格控制基础顶面高程；不能高于设计高程。77、基础混凝土强度达到5Mpa以上时,再进行管节铺设,采用混凝土管座基础时,管节中心、高程复验合格后,应及时浇筑管座混凝土。（四）雨、污水管道安装1、管道安装前，在基础上重新恢复管道轴线。2、管道安装时，必须使其管的中心与管道轴线一致。承插式管道的插入方向与水流方向一致。3、PVC-U加筋管安装采用承插接口，T型橡胶圈连接。采用承插接口时，插口应牢固、密闭；4、钢筋混凝土管道安装采用平口式接口，钢丝网水泥砂浆抹带连接。安装前,对所采用的水泥制品厂生产的管道，要求在进场时应有产品合格证并应进行验收,管道外观质量及尺寸公差应符合现行国家产品标准的规定，经验收合格后才能使用。管