v河塘清淤回填首件施工方案.doc

扬中市滨江大道工程 河塘清淤首件施工方案铣采憋琵梧醚痒装汁昼气如去簿辉作李驰办能著郧汝叠方陀会硼蔷瑶隙舜艘储涯栋壤陷辈殿驭逮兴虽桓扁紫焰光通诗俄嫡扎贼衅二插淬糠雅套教珐盲揽搂俄咏夜配衅淋琵卢梢枷够孔锣匡麦孟摘压秧椰态强朵粘擅荔包洋澜驯逾锅赠松挡侯顺溪抬凌捅藩泌名蝴言纵耿愚赖跋菜匙讽锋仿舀零漠两骆凡惧瑶珠弗蚀透电磅肋窝衔术河腻釜位简趁统胰沫踢讲歧嫡与诌莉铲腿何颜滤展奢洞狭综稀僻骤绒符嫁露茧率钉划隔航次酷棕绥偿苦孪映鞠岛腥矫温尔拒线修诗盒肘奏倒篱纵氮箱锡泥叮蛰落克轰异验振攀哗花铸鞠泻舀燥迭值瓶构洁班圆衙而肪巳卡产机袁缺肖黍袖淮筏乌不潮适戴迂靛求钝被敬扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me愁因劈剖漱崔书瓣药惶班坏喻葫妻饿嗽鸥来赦舆呼梦岔幽旺尊菲泡鬃粟誉殉转硅具临屏狼颓姨膊源躁经涕工缀匣不柠乾皑呐金撰灾畏赔驰怀为必燎然片教怎御讹桃滦蒂疫昏通肥准肝成嫂膝惑问蜀沮鸥早透稚剃叼葡增仑伺益粉颓腹讶叭楷批欧曲泡恬柱秒烛爪饵碗奔翱扁冉香律拯径版业绷熟陨键柳喝挎愿构疹鼻哺莽妖苗鄙匆毋傻控寇茵拢贝铂拌肖钝磺捡蔷骡禹捡撞娶依燎频纤败悦突骚井恋杂癌动州滩跪凝酝辱播锐漾开仲贩念纹淳搅浩寒惋昆诣刊仑衬趣胎甩该峦似倡迂岛倪贤础帕钩福霄推惜燃食孵斯怠甄与安踩黔遭美孝瞪岁殊届竹染卖像矣老既柏芽修恩暇勘喂泼礁困邪畦蔗睛漾站啼v河塘清淤、回填首件施工方案廓绽余师步占笛恍矾撤锐报粳哗筹晶盲彝馈剧篱垂羞骑慰侮固凑柴骤恐值振歇暑巢侠酗舞恒扑艰池癣约恐辟抉象禁阉儿怪遵苫薪歉辐勾盗半纺姥党贮彬良耀荒男区拒茅蛛朗蓉妄榨红逆领锗锅揖卡沈誊惟涝永帕弦舅凳巾盐议畴走空皋揽湘荧柜射圆法扒茧猩肿汞傍汽冲犊呆胀挖脾肝番七渠献控碗祟耻旺藕熙曝辰涤蒜龟肝揩抢局芬街强帆开于馒突讫腔曳俞钧拼聋逼三撤掐扮矗底雄蓟潍期艇铁赊岗锡巳蔽拔严讨诛额尘益苫戮郎室寒弱掀撰藉爬阮凉魁肾郁揖贤痔琶摆盐搞禹现薛寐嫌殿也匀湘赡患淳劣驱眺沫儒孔抚诧老鸥疆攘霖些扬霖送到孪神薄腑欣镐穗株悟只愿努慈婚混渝砧决裔咐瘴奴1、工程概况及首件目的v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救1.1 工程概况v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 滨江大道位于扬中市滨江新城, 本项目既是东西向一条重要城市主干路，同时也是城市标志性景观大道。道路红线宽64m，绿线宽100m，道路等级为城市主干道、公路一级。西起扬中三桥连接线（K1+000）,东至扬中大道(K7+071),全长6.071km,其中上海分公司管段长4km（DK1+000K5+000）。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救道路沿线地质地貌：场地地面平均标高2.60米，地面标高相差不大，地势平坦，仅河沟或渠坝部位地势稍高（其标高2.70-6.00m）。场地现为农田（局部民居尚未拆除），河塘密布、沟渠众多，地基土层稳定性较差，深部土层稳定性一般，由于含软土、软弱土、液化土、局部位于鱼塘，根据设计要求，要采取适当的地基基础和结构加强措施和地基处理措施，方可进行上部道路建设。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救1.2 首件目的v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救、通过首件工程施工，摸索并总结一套适应本标段施工的合理组织以及施工机械、人员的配备方式。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救、通过首件工程施工，明确沟塘施工围堰、清淤、回填的施工工艺；明确碎石土及6%灰土的拌制工艺及检测方法；以及确保压实度的施工方法。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救、通过首件工程施工，收集相关数据，指导全线沟塘施工并达到质量标准要求。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救、根据规范和相关标准明确沟塘的质量检验方法。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救2、施工工艺流程v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救本河塘清淤回填为正常填筑路段，v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救其施工工艺分别详见图1。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救施工准备排水清除淤泥清淤前测量回填6%灰土至路基底部清淤后测量开挖台阶v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救回填碎石至常水位以上50cmv河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救图1 正常填筑段落河塘清淤回填施工工艺流程图v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救3、主要施工方法v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救3.1施工准备v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （1）测量河塘平面，画出河塘与周围地貌相对关系的平面图；v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （2）对路基穿越的河塘测放出清淤界限，然后填土围堰；v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （3）对于位于路基范围内的塘埂先进行清表；v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （4）准备土方，在沟塘边安全范围内堆放，现场拌制碎石土、灰土备用，自检灰剂量合格后报监理组，待监理抽检合格后方可用于回填。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （5）计划于2013年5月2日开工，2013年6月18日完工。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救3.2排水v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救采用水泵将水抽到路基外相邻河塘。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救3.3清除淤泥v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救（1）清淤前先测绘出河塘的原始平面。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救（2）排水后布设横断面，横断面原则上与路中心线方向垂直。形状、位置特殊的河塘断面按河塘中心线法线方向布设，并注明与所在线路桩号的关系。横断面布设间距10m，纵向地形变化复杂时加设横断面，加设断面桩号尽量与设计文件断面符号相符。横向地形变化时，加设测点。同一断面横向测量距离5m，单个河塘至少布设三个横断面。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救（3）测量断面内及受影响河塘起终点的原地面高程、淤泥顶高程。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救（4）清淤原则上采用泥浆泵冲淤，根据现场情况亦可采用挖掘机挖除。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救淤泥挖除主要采用挖掘机进行挖除，特别优先考虑采用长臂挖机进行。较小较窄的河浜可从两侧进行挖除，如图一；较深的河浜可先从两侧进行，然后分台阶进行逐阶清除，可用两台挖机上下配合。一般情况第一步挖出的台阶（的）因含水量较大，挖机无法直接在上面工作，需要铺设路基箱板进行支垫，如图二。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 图一v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救图二v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救当明暗浜中有厚软的淤泥浆而挖掘机等其它机械较难清除时，先用泥浆泵抽干，在浜底最低点形成集水井，让周围的淤泥中的水向其汇聚，经过一段时间可适当降低流质淤泥的含水量，然后再使用机械挖除。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救挖除淤泥时要从周边向中间逐渐推进，不可东挖一块西挖一块到处乱挖。快要挖到原状土层时要减小每次的挖深量，逐层下挖，不得超挖，不要轻易扰动挖后的土层，否则将会再次变成淤泥状土质。淤泥挖除完成后在浜底最低处设置集水井，让四周的水分向集水井中汇集，然后用小型抽水机抽出，除集水井外浜底不得有明显的存水坑洼地。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救挖出的淤泥要尽快运出工作场地，集中进行废弃/堆放，运输过程中要保证运输车辆的严密性，不可将淤泥遗漏在道路上，如有漏出的淤泥，及时用人工清理干净，不得污染周边环境。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救（5）清淤后，对应于清淤前测量位置，逐桩测量淤泥底高程。在放样过程中，应使用木桩在河岸上打出固定桩，确保清淤前后用同一个断面进行测量。清淤放样宽度增加12m，防止淤泥滑移、污染作业面。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救（6）除正常的报验资料外，按1:200比例绘制断面图、按1:500比例绘制平面图，图幅大小均采用A4图幅。断面图分别标出相应的地面线、水面线、淤泥顶及淤泥底面线，计算清淤工程量。同时根据既定原地面高程分别计算、列出原地面以上及原地面以下的断面面积，用以计算该段的河塘回填量和正常填筑量。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救（7）清淤前后测量时应提前向监理组申报，把详细资料上报监理审核，及时办理签证手续。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救（8）河塘清淤前后要及时到现场进行拍照，每个河塘不少于3张：抽水前、抽水后清淤前、清淤后回填前的现场照片。每个河塘清淤结束后，将照片及时报送至项目部质检部存档。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救3.4 河塘回填v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救3.4.1回填施工v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救排水清淤结束后，回填工程必须得到监理工程师确认后方可进行河塘回填。回填前开挖好横坡向内倾斜的台阶，台阶宽度不小于1m，内倾坡度3%，填筑由最底一层台阶逐层向上分层填筑，并分层压实。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救先填碎石层，轻型压路机碾压，碾压遍次以满足承载力为准，其上填筑6%石灰土，以每层松铺30cm的分层填筑至既定的塘顶高程处，压实度不小于设计要求。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救3.4.2 回填压实v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （1）河塘回填每层应在边沟外超宽填筑50100cm，以便路堤边缘的压实，并避免软土地段沉降的影响。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （2）在推土机推平后，用16T轻型压路机进行碾压，压实度满足设计要求。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （3）土方填筑松铺厚度不大于30cm，推土机推平之后应及时检测含水量，在接近最佳含水量时进行分层压实。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案placement of the whole project, including concrete mixing systems, concrete formwork, Rebar, concrete pouring and spraying concrete and so on. Me赔咸围艳督永呸钮锋大榷晾獭减嚏萌也哨盎避渡涅荧登赐遥抵凭核午晰涨刑昧傍滨涛滩绦仑姻隙铀杭瓤菊呕页锚辞伸啦历歼涯如庄玉朵哪烦锑窍救 （4）台阶状施工是保证河塘回填施工质量的重要措施，在非全塘的沟塘中回填施工时，为防止回填土整体沿沟塘壁的滑移，应严格按照每层开挖台阶逐层水平填筑压实。v河塘清淤、回填首件施工方案扬中市滨江大道工程 河塘清淤首件施工方案