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id="cvsoauj" class="news_xaingxi"><h1> 贵州水惔排污的安装要求和方?/h1></div> <div id="wfuyc2p" class="news_author">来源Q?a href='http://www.bjjhd.cn/news/63.html'>http://www.bjjhd.cn/news/63.html</a> 发布日期Q?019-04-10 </div> <div id="c28sxjp" class="news_content"> <span style="font-family:SimSun;font-size:16px;">   <a target="_blank" href="http://www.bjjhd.cn/news/63.html"> <a href="http://www.bjjhd.cn/supply/10.html" target="_blank">贵州水惔排污?/a>的安装要求和Ҏ(gu)</a>,<a href="http://www.bjjhd.cn/sng/" target="_blank">水惔?/a>是利用水泥跟钢筋制成的一U预|管?他可以作为城?jng)的下水?以及(qing)一些特D厂矉K使用的上水管.现在我们׃ؓ(f)大家单的讲解一下水泥管安装施工Ҏ(gu)!</span><br /> <br /> <span style="font-family:SimSun;font-size:16px;">    ⑴测定管道中U?施工前可按设计给定的中线控制?在现场测讑և中线的v炏V终炏V^?折点、纵向折点及(qing)直线控制中心(j)桩用木桩剙中心(j)钉设?,q在L(fng)、终?q面折点的沟槽外适当位置,讄方向控制?q且通过丈量定桩号.</span><br /> <br /> <span style="font-family:SimSun;font-size:16px;">    ⑵徏立(f)时水准点:道工程往往需增设临时水准?应在E_且不易被撞处设|?光距ؓ(f) 不大?30 cؓ(f)?临时水准炚w合差应符合规定标?</span><br /> <br /> <span style="font-family:SimSun;font-size:16px;">    ⑶沟槽开挖采用挖掘机开挖ؓ(f)Mh工清底ؓ(f)?雨水斗连接管?qing)支采用h工开?开挖过E中, 注意观察土质变化 Ҏ(gu)塌方q象的\D采用支撑围?嘉祥县同?a href="http://www.bjjhd.cn/supply/38.html" target="_blank">水惔制品</a>?/span><br /> <div style="text-align:center;"> <span style="font-family:SimSun;font-size:16px;"></span><img src="/uploads/image/20190410/20190410174605_3175.jpg" alt="排污? width="500" height="375" title="排污? align="" /> </div> <span style="font-family:SimSun;font-size:16px;">    h掘机开挖挖x底标?0cm 左右,预留槽底土不?后由人工清除,修整槽底.人工清槽, 认真(g)查槽底土壤有无扰动情?如有扰动应做Ҏ(gu)处理.</span><br /> <br /> <span style="font-family:SimSun;font-size:16px;">    ⑸在沟槽两侧,槽底以上 1 c_ 对称讄高程?在其上钉{高的高E钉.在挖槽见底前?qing)浇{^整前,均应复测渠中心(j)U及(qing)高程桩的高程.</span><br /> <br /> <span style="font-family:SimSun;font-size:16px;">    Ҏ(gu)边单面堆土高度不大于 2 c?距沟槽边~距M于 1 c? 沟槽施工C线的保?先向有关部门要求线交底,以明地下设施的基本位置,必要时先开挖洞,以探明准位|?利于施工,q保证各U预埋管U的安全,施工q程?Ҏ(gu)露的线采用支撑保护措施.</span><br /> </div> <div id="qb3zso3" class="pagess"> <ul> <div>上一?<a href="64.html">混凝土老是开?原来是这10大原因导致的</a></div> <div>下一?<a 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