?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 水惔排水的选择与安装注意事?- 遵义?jng)井萍؜凝土有限公?/title> <meta name="Keywords" content="水惔排水?> <link href="/template/60032/css/style.css" rel="stylesheet" type="text/css" /> <link href="/template/60032/css/css_con.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://bjjhd.cn/">日本成人精品视频网站一区,欧美久久久久久久一区二区三区,欧美亚洲综合在线一区,亚洲一级精品视频在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><abbr id="tpqyu"><sub id="tpqyu"><delect id="tpqyu"><acronym id="tpqyu"></acronym></delect></sub></abbr><source id="tpqyu"></source><bdo id="tpqyu"><b id="tpqyu"><acronym id="tpqyu"></acronym></b></bdo><bdo id="tpqyu"><delect id="tpqyu"><strong id="tpqyu"></strong></delect></bdo><rt 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class="news_xaingxi"><h1>水惔排水的选择与安装注意事?/h1></div> <div id="p6fpgtz" class="news_author">来源Q?a href='http://bjjhd.cn/news/283.html'>http://bjjhd.cn/news/283.html</a> 发布日期Q?025-09-15 </div> <div id="vutiltg" class="news_content"> <p> <span style="font-size:16px;font-family:SimSun;">  <a href="http://bjjhd.cn/supply/61.html" target="_blank">水惔排水?/a>是采用水泥、砂矟뀁钢{等材料l成型、养护制成的用于输送液体(雨水、污水、工业废水等Q或疏导C水的道制品Q广泛应用于?jng)政工程、水利徏设、工业排污等领域Q其选择与安装注意事如下:(x)</span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  1. 选型要点Q?/span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  按场景选类型:(x)埋、低压用普通؜凝土或 ?U钢{管Q深埋、高压(如市(jng)政主q道Q用 ?U及(qing)以上钢筋混凝土承插口;软土地基或地震区优先柔性接口管?/span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  核查资质Q选择通过 GB/T 11836 认证的厂Ӟ要求提供出厂合格证(含强度、抗渗检报告)(j)?/span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  匚w径Q根据排水量计算Q流速≥0.6m/s 避免淤积Q,例如区排水?DN300-DN500Q主q道?DN800-DN1500?/span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  2. 安装关键步骤Q?/span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  基础处理Q管道下斚w做砂矛_层(厚度 100-300mmQ根据地基承载力调整Q,软土地基需换填灰土或打桩加固,避免沉降断裂?/span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  接口密封Q承插口需选用合格胶圈(耐老化、弹性好Q,安装时在插口涂润滑剂Q确保橡胶圈完全嵌入Ҏ(gu)Q企口管接口需用水泥砂?+ 膨胀剂填充,外侧抹带加固?/span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  回填要求Q管两侧?qing)顶部回填土需分层夯实Q压实度?0%Q,回填材料选用素土或配砂矻I避免用石块等物Q防止管体受压破损?/span> </p> <p> <span style="font-size:16px;font-family:SimSun;">  闭水试验Q安装完成后需做闭水试验(满水 24 时Q渗漏量≤允许|(j)Q确保接口密合根{?/span> </p> </div> <div id="zelp6lc" class="pagess"> <ul> <div>下一?<a href="282.html">水惔的安装与维护要?/a></div> </ul> </div> <div id="mpovf1w" class="info_key"> <span>此文关键字:(x)</span> <a href='/key.aspx?k=%e6%b0%b4%e6%b3%a5%e6%8e%92%e6%b0%b4%e7%ae%a1'>水惔排水?/a>, </div> </div> <div id="l6lno1s" class="clear"></div> <div id="ujmv72r" class="cateslist xgxinwen"> <dl> <dt>相关新闻</dt> <dd> <div id="1egbzaw" class="txt xiangguan-x"><a href="/news/283.html" 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