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class="searchbox"><div id="jyyacoa" class="searchLt"><div id="is3bi3n" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="bvflsju" class="clearfix searchWrap"><div id="e3aln7k" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="koq7ap2" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="fjqamoq" class="twoCol"><div id="k77robi" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jzjc/">建筑、建材</a>?<a href="http://www.cdcfah.com/cp/second-jzjc_qzcl/">砌筑材料</a>?<a href="http://www.cdcfah.com/cp/third-qzcl_hntzp/">混凝土制品</a>?東莞水泥管廠家直供廣州市碩景建筑材料供應(yīng)</p><div id="7ip7axa" class="leftbox clearfix"><h1>東莞水泥管廠家直供廣州市碩景建筑材料供應(yīng)</h1><div id="zkcryqn" class="proBig"><div id="gldfmoa" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/9/13/636982763669643352_shuojingciba_7312058.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2qxpg8h" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/9/13/636982763669643352_shuojingciba_7312058.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rgnkmoq" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>東莞水泥管廠家直供</p><p><span>***更新：</span>2020-06-29 00:35:47</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vfmoqht" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廣州市碩景建筑材料有限公司</a></p><p><span>聯(lián)系人：</span>謝有喜</p><p><span>郵箱: </span>348126405@qq.com</p><p><span>電話: </span>15816832348</p><p><span>傳真: </span>158_16832348</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>158-16832348</p><p><span>地址: </span>廣州市增城區(qū)新塘鎮(zhèn)長風(fēng)國際</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="nsurtvc" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lvsphyf" class="box"><p><p style="text-indent:25px">離心制管采用塑性混凝土，成型后管壁結(jié)構(gòu)是分層的，影響了混凝土的抗荷載能力；混凝土標(biāo)號通常為C30，也可以做到C40，但管口的混凝土強(qiáng)度是低于管身的，不適合做頂管；成型時管模橫臥在離心機(jī)上高速旋轉(zhuǎn)，鋼筋網(wǎng)隨之運(yùn)動，會出現(xiàn)兩種影響管材使用壽命的情況： 1、鋼筋網(wǎng)有焊點(diǎn)不牢固時就會出現(xiàn)跑筋和漏筋現(xiàn)象，使管身局部出現(xiàn)無筋狀態(tài)； 2、成型后鋼筋網(wǎng)很難居中，鋼筋網(wǎng)是偏心的，也就是鋼筋網(wǎng)的保護(hù)層不均勻；此工藝需要大量的模具來保證產(chǎn)量，每個模具的尺寸是存在偏差的，對開式模具長時間拆裝使用也會出現(xiàn)較大變形，因此導(dǎo)致了管材的圓度、管口垂直度，東莞水泥管廠家直供、管徑尺寸和管長尺寸等偏差較大，影響工程的安裝質(zhì)量，出現(xiàn)滲漏將導(dǎo)致路面下陷，對管線兩側(cè)的土壤和地下水造成污染；懸輥制管采用干硬性混凝土，東莞水泥管廠家直供，東莞水泥管廠家直供，管壁混凝土結(jié)構(gòu)均勻，抵抗荷載能力良好；混凝土標(biāo)號通常為C30、C40；成型時的噪音比離心工藝有所減小，操作現(xiàn)場的環(huán)境比離心工藝干凈一些；缺點(diǎn)是做小口徑管時要增加壁厚才能滿足抗?jié)B要求；離心工藝的一些其它缺點(diǎn)懸輥工藝同樣存在； </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞水泥管廠家直供" src="http://tyunfile.71360.com/UpLoadFile/2019/7/9/13/636982763669643352_shuojingciba_7312058.jpg"></div><p style="text-indent:25px">水泥管是用水泥跟鋼筋為材料，運(yùn)用電線桿離心力的原理制造的一種預(yù)置管道。水泥管道又稱水泥壓力管、鋼筋混凝土管，它可以作為城市建設(shè)建基中下水管道，可以排污水，防汛排水，以及一些特殊廠礦里使用的上水管和農(nóng)田機(jī)井。一般分為：平口鋼筋混凝土水泥管、柔性企口鋼筋混凝土水泥管、承插口鋼筋混凝土水泥管、F型鋼承口水泥管、平口套環(huán)接口水泥管、企口水泥管等。水泥管用途： 1、一般用于城鎮(zhèn)的雨水和污水的排放管道。 2、可作業(yè)自來水、電力電訊、燃?xì)鈩萘Φ刃枰诘叵落佋O(shè)管線的外套管。 3、高速公路縱向、橫向排水及透水。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞水泥管廠家直供" src="http://tyunfile.71360.com/UpLoadFile/2019/7/9/13/636982763670130952_shuojingciba_7856312.jpg"></div><p style="text-indent:25px">三、管道的選用和墊層處理水泥排水管的選擇和鋪設(shè)需要依照地基的特性來進(jìn)行合理的安排。當(dāng)?shù)鼗鶠閹r石時，管道不宜直接在上面鋪設(shè)，這樣可能造成管道受力不均勻，使管道遭到破壞，在一些土質(zhì)粘性不是太大的地基處，采用的一般是碎石墊層，但是對于粘性較大的土質(zhì)地基處，碎石墊層已經(jīng)不合適，原因在于底層中的水、土以及砂顆粒會進(jìn)入到墊層，使管道發(fā)生沉降，因此這時需要做的是換土和地基加固處理。四、合理確定排水管道的結(jié)構(gòu)形式在水泥排水管基礎(chǔ)和護(hù)管形式進(jìn)行選擇確定后，對管道的橫斷面需要進(jìn)行結(jié)構(gòu)計(jì)算，這個計(jì)算過程中沒有涉及到基礎(chǔ)和護(hù)管強(qiáng)度、材料，不過這些并不影響，原因在于選定的水泥排水管和護(hù)管的形式和構(gòu)造已經(jīng)算在計(jì)算的因素之中。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/428715.html</p></div></div></div></div></div><div id="v77fxuw" class="page-right twoColRt"><div id="k3xtqce" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3b3biu7" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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