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href="http://www.cdcfah.com/cp/first-_smdn/">數(shù)碼、電腦</a>?<a href="http://www.cdcfah.com/cp/second-smdn_ruanjian/">軟件</a>?<a href="http://www.cdcfah.com/cp/third-ruanjian_rjkfgs/">軟件開發(fā)</a>?北京鋼橋繪圖軟件服務(wù)企業(yè) 誠信互利蘇州橋友信息科技供應(yīng)</p><div id="b24tptj" class="leftbox clearfix"><h1>北京鋼橋繪圖軟件服務(wù)企業(yè) 誠信互利蘇州橋友信息科技供應(yīng)</h1><div id="cbx4vbh" class="proBig"><div id="wg7m844" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/QYBM3926/637280895893554688/4397016.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wpw92mi" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/QYBM3926/637280895893554688/4397016.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mlc4uqh" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京鋼橋繪圖軟件服務(wù)企業(yè)</p><p><span>***更新：</span>2020-06-25 18:37:41</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="hpwq4sz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州橋友信息科技有限公司</a></p><p><span>聯(lián)系人：</span>崔經(jīng)理</p><p><span>郵箱: </span>2652970874@qq.com</p><p><span>電話: </span>17368130323</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0512-62697703</p><p><span>地址: </span>高新區(qū)竹園路209號</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="gfc98i3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="etfp5df" class="box"><p><p style="text-indent:25px">鋼結(jié)構(gòu)橋的防腐：無機(jī)富鋅涂層作為鋼橋面的防腐蝕涂層，其優(yōu)點(diǎn)是：相同涂層厚度下防腐蝕壽命相對較長（同等厚度比環(huán)氧富鋅防腐蝕壽命長，比電弧噴鋅防腐蝕壽命短）；施工工期相對于電弧噴鋅短；初期投入相對較低；耐高溫性能優(yōu)良。缺點(diǎn)為：結(jié)合強(qiáng)度相對較低，平均結(jié)合強(qiáng)度為3MPa～5MPa；涂層厚度受到一定限制，典型設(shè)計(jì)厚度為75μm，漆膜過厚，易產(chǎn)生龜裂；施工過程中養(yǎng)護(hù)較困難，北京鋼橋繪圖軟件服務(wù)企業(yè)，北京鋼橋繪圖軟件服務(wù)企業(yè)，因其適宜的固化濕度為65，對在高溫季節(jié)施工的鋼橋面來說很難做到；漆膜的抗拉強(qiáng)度低，硬脆性較大，北京鋼橋繪圖軟件服務(wù)企業(yè)，柔韌性相對較差；長時間暴露于自然條件下漆膜表面易產(chǎn)生鋅鹽，在后續(xù)鋪裝防水層前需要進(jìn)行打磨清理，否則將影響其與防水層的粘結(jié)效果。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京鋼橋繪圖軟件服務(wù)企業(yè)" src="https://tyunfile.71360.com/UploadFile/QYBM3926/637280895893554688/4397016.png"></div><p style="text-indent:25px">鋼結(jié)構(gòu)橋的防腐：鋼鐵的腐蝕在自然界里是不可避免的，如何防止鋼鐵大橋的腐蝕，延長大橋的使用壽命，是橋梁建設(shè)中的重要任務(wù)。鋼橋長效防腐的設(shè)計(jì)應(yīng)考慮的因素在進(jìn)行鋼結(jié)構(gòu)涂裝設(shè)計(jì)時，重要的是一定要根據(jù)建筑物給定的條件，在初期設(shè)計(jì)階段就將防腐蝕問題考慮進(jìn)去。對于鋼結(jié)構(gòu)受到外界因素的侵蝕要充分加以考慮，還要考慮這些外界因素對建筑物的各種條件的作用有多大，比如，場地情況、房屋結(jié)構(gòu)、部位、構(gòu)件和空間條件等?？紤]到建筑物涂裝設(shè)計(jì)的給定因素后，將其等級化，然后，在這個等級范圍內(nèi)進(jìn)行涂裝設(shè)計(jì)的取舍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京鋼橋繪圖軟件服務(wù)企業(yè)" src="https://tyunfile.71360.com/UploadFile/QYBM3926/637280895469238282/7258924.png"></div><p style="text-indent:25px">鋼橋小知識：如果鋼橋的設(shè)計(jì)和養(yǎng)護(hù)不當(dāng)，將嚴(yán)重影響鋼橋的耐久性和使用壽由于未栓合或未焊合的接觸部分的層間緊密度不能保證，容易形成細(xì)縫吸水，不易干燥，為了防止鋼梁銹蝕，鋼梁結(jié)構(gòu)中不應(yīng)有未栓合或未焊合的接觸部分。鋼梁構(gòu)件上的小坑和凹槽容易引起積水，應(yīng)該避免。同時，對于箱形結(jié)構(gòu)或有可能積水的部位，應(yīng)該開泄水孔等，防止由于空氣結(jié)露、漏水等原因?qū)е路e水。對于開口截面形式，應(yīng)盡可能避免容易積水和灰塵堆積的構(gòu)造細(xì)節(jié)。鋼橋在安裝或檢修支座時，常需將梁頂起，故在結(jié)構(gòu)上應(yīng)預(yù)設(shè)可供頂起作用的結(jié)構(gòu)（如在千斤頂支撐處預(yù)設(shè)加勁肋、牛腿或在連續(xù)梁的中間支點(diǎn)處設(shè)置可供頂起用的結(jié)構(gòu)等）。考慮到頂起時受力的不均勻及其他偶然因素，頂起結(jié)構(gòu)應(yīng)按實(shí)有重量超載30％驗(yàn)算。在布置千斤頂位置時，需要考慮更換支座等必須的操作空間。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/390159.html</p></div></div></div></div></div><div id="jivpij7" class="page-right twoColRt"><div id="82p4hjy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="g2qes7h" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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