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<dt><a href="/sngag/" title="水泥管厂?>水泥管厂?/a></dt> <dt><a href="/yzsng/" title="优质水泥?>优质水泥?/a></dt> <dt><a href="/snccg/" title="水泥承插?>水泥承插?/a></dt> <dt><a href="/zpsg/" title="市政排水?>市政排水?/a></dt> <dt><a href="/ccssng/" title="承插式水泥管">承插式水泥管</a></dt> <dt><a href="/hntsng/" title="混凝土水泥管">混凝土水泥管</a></dt> <dt><a href="/snpwg/" title="水泥排污?>水泥排污?/a></dt> <dt><a href="/gjhntpsg/" title="钢筋混泥土排水管">钢筋混泥土排水管</a></dt> </dl> </div> </div> <div class="leftitem"> <div class="tit">联系我们</div> <div class="lianxi"> <dl> <dt><div>咨询电话</div> <div class="tel">15972028196</div> </dt> <dd> <p>联系:?/p> <p>手机: 15071016217</p> <p>邮箱: <a href="mailto:2690518194@qq.com" rel="nofollow">2690518194@qq.com</a></p> <p>网址:www.bknewsdeesa.com</p> <p>地址: 新洲区靠山店方杨乡林岗街(农村商业银行右40米左右)</p> </dd> </dl> </div> </div> </div> <div class="main_right"> <div class="sitemap"><a href="/">首页</a> > <a href="/supply/">供应产品</a> > <a href="/zpsg/">市政排水?/a> > <a href="/supply/92.html">武汉水泥管厂?/a></div> <div class="content"> <div class="prohead"> <div class="hleft"> <div class="proimg zoom-small-image"><img src="/uploads/cp/20150702020310.jpg" alt="武汉水泥管厂?/></div> </div> <div class="hright"> <div class="proinfo"> <h1>武汉水泥管厂?/h1> <p>产品型号?/p> <p>产品简介:</p> </div> </div> <div class="clear"></div> </div> <div class="procontent"> <div class="tit"> <dl> <dt>产品介绍</dt> <dd></dd> </dl> </div> <div class="detail"> <p><p style="color:#000000;text-indent:0px;"> <strong>武汉<b><a href="http://www.bknewsdeesa.com/" target="_blank" style="font-weight:bold">水泥管厂</a></b>?/strong> </p> <p style="color:#000000;text-indent:0px;"> <a href="http://www.bknewsdeesa.com/sng/" target="_blank">水泥?/a>安装施工方法 </p> <p style="color:#000000;text-indent:0px;"> 沟槽土方 ⑴测定管道中线: 施工前可按设计给定的中线控制点,在现场测设出中线的起点、终点、平?nbsp;折点、纵向折点及直线控制中心桩(用木桩顶钉中心钉设定?nbsp;,并在起点、终?nbsp;平面折点的沟槽外适当位置,设置方向控制桩,并且通过丈量确定桩号?nbsp;⑵建立临时水准点?nbsp;管道工程往往需增设临时水准点,应在稳固且不易被碰撞处设置,其间距为 不大?nbsp;30 米为宜。临时水准点闭合差应符合规定标准?nbsp;⑶沟槽开挖采用挖掘机开挖为主,人工清底为辅,雨水斗连接管及支管采用 人工开挖?nbsp;开挖过程中?nbsp;注意观察土质变化?nbsp;对有塌方迹象的路段采用支撑围护。嘉祥县同灵水泥制品?nbsp;⑷挖掘机开挖挖至槽底标?nbsp;10cm 左右,预留槽底土不挖,后由人工清除, 修整槽底?nbsp;人工清槽?nbsp;认真检查槽底土壤有无扰动情况, 如有扰动应做特殊处理?nbsp;⑸在沟槽两侧?nbsp;槽底以上 1 米处?nbsp;对称设置高程桩, 在其上钉等高的高程钉?nbsp;在挖槽见底前及浇筑平整前,均应复测管渠中心线及高程桩的高程?nbsp;⑹槽边单面堆土高度不大于 2 米,距沟槽边缘距离不小于 1 米?nbsp;沟槽施工地下管线的保?nbsp;先向有关部门要求管线交底,以明确地下设施的基本位置,必要时先开挖样 洞,以探明准确位置,利于施工,并保证各种预埋管线的安全,施工过程中,?nbsp;暴露的管线采用支撑保护措施。稳管: ⑴稳管是将管子按照设计的高程和平面位置稳固在基础上?nbsp;稳管前应对管?nbsp;进行凿毛,管口凿毛应根据设计尺寸在管口凿毛处画线,用剁斧将管子皮凿毛?nbsp;不伤及管壁砼?nbsp;⑵稳管前将基础表面的杂物、积水、管子内外清除干净,管子在沟槽内移?nbsp;时,操作人员密切配合,防止碰撞,稳管时以管内径、底标高为准。调整管子高 程时,所用垫块必须坚固,稳管顺序从下游向上游。承插式管道口朝向上游,插口朝向下游。在井位处稳管时,控制好检查井的内径尺寸,稳管的管口间隙为 10mm 以便管内勾缝?nbsp;⑶对下管段,两段各设管线中线控制?nbsp;1 个,挂线沿中线从下游开始调直, 调好一节稳固一节,且在调下节管时控制管口对头缝?nbsp;1cm 左右。将管口冲刷 干净,用 1:2 石棉水泥砂浆嵌实管间缝隙?nbsp;抹带?nbsp;⑴排水管道的密闭性和耐久性,在很大程度上取决于铺设管道的质量。管?nbsp;的接口应具有足够的强度和不透水性,能抵抗污水或地下水的侵蚀,并有一定的 弹性?nbsp;⑵操作方法: 将管口凿毛,除去灰粉,露出粗骨料,用水洇湿,用砂浆填入管缝并压实?nbsp;表面略低于管外皮?nbsp;接着刷水泥素浆一道, 8?5 厘米?nbsp;?nbsp;用抹子抹层管箍, 只压实,不压光。操作时可掺少许防水材料,用以提高抗渗性能。用弧形抹子?nbsp;上而下抹第二层管箍?nbsp;形成弧形接口?nbsp;待初凝后?nbsp;用抹子赶光压实, 表面不露砂?nbsp;对于普通稳管法安装的管道,管子与平基接触的一段没有接口材料,故应单独?nbsp;理,称为做底箍。做法是:在安装后的管内将管口底部凿毛,清理干净后填入砂 浆压实。管箍抹完后,用湿纸覆盖??h 后加一层草袋片,设专人浇水养护?nbsp;⑶钢丝网水泥砂浆抹带操作程序如下?nbsp;A、钢丝网水泥砂浆抹带接口,也是排水管道和的接口形式,接口断面为矩 形,平均宽为 200mm,厚度为 25mm。接口前将管口外皮表面凿毛,除去碴粉?nbsp;露出粗骨料,并用水泅湿?nbsp;B、用砂浆填管缝并压实,接着在管口处刷宽 25 厘米水泥浆一道?nbsp;C、抹层砂浆与管外壁粘牢、压实,厚度控制?nbsp;15mm,随即压实以?nbsp;与管壁粘接牢固,再将钢丝网包拢并尽量挤入砂浆中,钢丝网的搭接长度不小?nbsp;100mm,并?nbsp;20#镀锌铁丝将铁丝网拾接处绑扎牢固?nbsp;D、待层砂浆初凝后,开始抹第二层砂浆,按照抹带宽度和厚度要求, 用抹子赶光压实,不允许钢丝和绑扎丝露在抹带外面?nbsp;E、管道的内箍和底箍与水泥砂浆抹带相同?nbsp;F、抹带完成后,立即覆盖湿纸,3?h 后再盖子或塑料薄膜,并设专人?nbsp;行养护?nbsp;G、加强抹带两腮处厚度的控制,为控制两腮位置抹带厚度可以适当降当?nbsp;低水灰比,同时在整个工序施工过程?nbsp;,由技术人员现场指导和监督交底内容?nbsp;承插式钢筋砼管安装。【武汉新洲年华水泥制品厂】承插式钢筋砼管安装前应首先确定好中线及检查井的位置, 检验基础高程?nbsp;格后,开始从下游吊装下管,承口在上游。安装好节管道,并将其固定,?nbsp;后再下第二节管,安装好橡胶圈,并清除尽承口内的泥沙。用吊车将插口插入承 口内,然后调直管道,安装倒链,用钢丝绳扣挂住第二节钢筋砼管,用倒链慢慢 拉紧,使插口全部插入承口内,经检查合格后拆除倒链,然后依次进行安装。柔 性接口用的橡胶圈使用前须逐个检查,外观应粗细均匀,椭圆度在允许范围内?nbsp;质地应柔软,不得有割裂、破损、气泡、大飞边等缺陷,安装时承口内工作面, 插口外工作面应清洗干净,套在插口上的圆形橡胶圈应平直,无扭曲,安装时, 橡胶圈应均匀滚动到位,放松外力后回弹不得大于 10mm,就位后应在承插口工 作面上?nbsp;沟槽回填级配砂石 管道隐蔽工程验收合格后,沟槽应及时进行回填。沟槽回填前五天应对回填 级配砂石取样送试验室做出实验,以取得回填级配?nbsp;石的大含水率。沟槽回?nbsp;时必须将沟槽内杂物、木料、草袋、积水等清除干净。穿越沟槽的其它管线及沟 槽附近建筑物填压实时应沿?nbsp;室中心对称进行,且不得漏夯。回填材料压实后应与井壁紧贴,新建排水管道与 其他管道交叉部位的回填应符合要求的压实度,井应使回填料与被支承管道紧 贴?nbsp;砖砌检查井 井室砌筑用机制砖砌筑在整体水泥混凝土基础上,不应利用管道平基,再?nbsp;宽的办法作为井基。应在挖槽时,应计算好检查井的准确位置,浇筑管道混凝?nbsp;平基时,应将检查井井基宽度一次浇够。井室内的流槽砌砖,应交错插入井墙, 使井墙与流槽形成整体?nbsp;不应先砌井墙?nbsp;然后再推砌流槽, 造成流槽与井墙分离?nbsp;流槽应砌(砖?nbsp;、抹(面)成 与上下游管径相同的半圆弧形,不应我流槽,也不 应砌成梯形或矩形。同时,流槽过水断面不应小于上游和下游管径的过水断面?nbsp;井底坡度和高程应符合设计要求。圆井的砌筑,应掌握井墙竖立度和圆顺度,?nbsp;筑砂浆应饱满(包括竖缝) ,特别是污水管道的检查井(包括雨污合流检查井?nbsp;?nbsp;更应使砌缝饱满, 防止井壁渗水?nbsp;保证带井闭水成功?nbsp;水泥砂浆抹面要掌握厚度?nbsp;均匀、平整、密实。抹完后要封闭井口,以保证并室湿润养护,不使抹面造成?nbsp;缝、空鼓?nbsp;井室收口砌筑或井室盖板安装:砌并时随时掌握并内尺寸,三面收口时大 可收?nbsp;5cm,并随时将挤出的砂浆抹平并将墙表面残余的砂浆及时清除干净。如 果管道覆土较浅,检查井必须也浅,当井深尺寸不能满足收口高度,或满足了收 口高度以后,井室缩小到难以使用时,可以采用四面收口,减少一半收口高度, 来加大井室的办法。至于浅到什么程度可采用四面收口,可根据工程实际情况?nbsp;握。砌收口时,每收一层,变化一个直径,为了保证每层直径准确,块砖收 进尺寸要均匀,每层缩小后的直径圆都要保持圆润,根据规范规定宜按每层收?nbsp;40mm 掌握。收口部分容易出现竖向通缝或鱼鳞缝?nbsp;应打制六分砖块,以满足错缝要求,不使出现通缝或鱼鳞缝。收口收进部分的?nbsp;缝,为防止形成空缝,应在砌砖时,在砖的接砌一侧面挑上灰浆,将竖缝推挤?nbsp;密。勾缝时再进一步填严抹平,保证收口部分的砖层能结合成整体受力。盖板的 预制加工或采购,要控制配筋量的合理性(应符合设计要求) ,要控制钢筋网片 垫块高度和密度, 以保证各层厚度, 不露筋?nbsp;控制底模平整度, 以保证板底光洁?nbsp;平整、直顺、无安装板差,控制井室盖下的入孔圆润、规矩,?nbsp;保证井筒砌砖?nbsp;接顺、圆润美? 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