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href="http://m.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="8ifmo7v" class="twoCol"><div id="shebifr" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jzjc/">建筑、建材</a>?<a href="http://m.cdcfah.com/cp/second-jzjc_gdxt/">管道系統(tǒng)</a>?<a href="http://m.cdcfah.com/cp/third-gdxt_qtgdxt/">其他管道系統(tǒng)</a>?寧海HDPE雙壁波紋管歡迎選購信息推薦寧波塑通管業(yè)供應(yīng)</p><div id="2roah3s" class="leftbox clearfix"><h1>寧海HDPE雙壁波紋管歡迎選購信息推薦寧波塑通管業(yè)供應(yīng)</h1><div id="3ikheli" class="proBig"><div id="lkhe88r" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/nbstgy/637229708672080078/3323985.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="eda7bnz" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/nbstgy/637229708672080078/3323985.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j7tqikc" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寧海HDPE雙壁波紋管歡迎選購</p><p><span>***更新：</span>2020-05-29 05:18:42</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="pzwol37" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波塑通管業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>徐海飛</p><p><span>郵箱: </span>476886350@qq.com</p><p><span>電話: </span>13732189871</p><p><span>傳真: </span>0574_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0574-88108622</p><p><span>地址: </span>環(huán)城南路東段1678號1520室 </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="js7rgcz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nreroqs" class="box"><p><p> HDPE雙壁波紋管： </p> <p> <br /> </p> <p> 構(gòu)造：HDPE雙壁波紋管是由HDPE同時擠出的波紋外壁和一層光滑內(nèi)壁一次熔結(jié)擠壓成型，管壁截面為雙層結(jié)構(gòu)，其內(nèi)壁光滑平整，外壁為等矩排列的具有梯形中空結(jié)構(gòu)的管材。 </p> <p> <br /> </p> <p> 連接：主要采用橡膠圈承插連接（也可采用熱縮帶連接）。 </p> <p> <br /> </p> <p> 優(yōu)點(diǎn)：具有較好的環(huán)剛度和強(qiáng)度、韌性；重量輕、耐沖擊性強(qiáng)，寧海HDPE雙壁波紋管歡迎選購，寧海HDPE雙壁波紋管歡迎選購、不易破損，且運(yùn)輸安裝方便。由于雙壁波紋管特殊的管壁結(jié)構(gòu)設(shè)計，寧海HDPE雙壁波紋管歡迎選購，使得該管在同樣直徑和達(dá)到同樣環(huán)剛度的條件下，用料（HDPE）**省。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧海HDPE雙壁波紋管歡迎選購" src="http://tyunfile.71360.com/UploadFile/nbstgy/637229708672080078/3323985.jpg"></div><p> 國家標(biāo)準(zhǔn)摘要及解析： </p> <p> <br /> </p> <p> 國家標(biāo)準(zhǔn)GB/T 19472.1《埋地用聚乙烯(PE)結(jié)構(gòu)壁管道系統(tǒng) 第1部分聚乙烯雙壁波紋管材》（本標(biāo)準(zhǔn)第二部分是各種纏繞類結(jié)構(gòu)壁管，和雙壁波紋管無關(guān)）這句話規(guī)定了波紋管的使用條件，若超出這個使用范圍則標(biāo)準(zhǔn)將不一定能夠適用，應(yīng)按照使用環(huán)境具體分析。如今年在福州有一個用于涵洞的工程，波紋管并不是埋在地下的，而是置于涵洞中，涵洞中在雨季會充滿水，因此產(chǎn)品為水下使用，在設(shè)計時就要考慮到浮力。 <p> 波紋管成型機(jī)是生產(chǎn)波紋管的關(guān)鍵設(shè)備，關(guān)系到管材的質(zhì)量和產(chǎn)量。雙壁波紋管的成型方式也多種多樣，并且不同于其它管材的成型設(shè)備。 </p> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧海HDPE雙壁波紋管歡迎選購" src="http://tyunfile.71360.com/UploadFile/nbstgy/637229707790820313/1104710.jpg"></div><p> 基底處理和基礎(chǔ)鋪設(shè) </p> <p> 1）管槽開挖后，發(fā)現(xiàn)地基土質(zhì)松軟、底部不均勻等特殊情況，會同監(jiān)理單位、設(shè)計單位確定處理措施并會簽變更設(shè)計、洽談記錄?；貒?yán)禁超挖，必要時可以用砂土回填。地基需要換土?xí)r，要徹底清理干凈，回填材料、操作方法及質(zhì)量標(biāo)準(zhǔn)根據(jù)具體情況確定。基底按設(shè)計要求夯實(shí)處理驗(yàn)收合格之后，按設(shè)計要求進(jìn)行管道基礎(chǔ)施工。 </p> <p> <br /> </p> <p> 2）基底夯實(shí)后，直接在溝槽底部攤鋪200mm厚的砂墊層，夯實(shí)后方可穩(wěn)管。對于一般土質(zhì)，當(dāng)?shù)鼗休d力特征值fak≥80kPa時，基底可鋪設(shè)中粗砂；當(dāng)?shù)鼗临|(zhì)較差其地基承載力特征值55≤fak＜80kPa或槽底處在地下水位之下時，宜鋪墊厚度不小于200mm的砂礫基礎(chǔ)層，也可以分兩層鋪設(shè)，下層用粒徑位5～40mm的碎石，上層鋪設(shè)厚度不小于50mm的中粗砂；對于軟土地基其基底承載力特征值fak＜55kPa，或因施工原因，地基原狀土被擾動而影響地基承載力時，必須先對地基進(jìn)行加固處理，在達(dá)到規(guī)定地基承載能力后，再鋪設(shè)中粗砂基礎(chǔ)層。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧海HDPE雙壁波紋管歡迎選購" src="http://tyunfile.71360.com/UploadFile/nbstgy/637229707789335938/8282754.jpg"></div></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/73953.html</p></div></div></div></div></div><div id="mgyq2u8" class="page-right twoColRt"><div id="x3hzbik" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zzb8rjq" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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