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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915818196613463_ynmaoxuan_5970961.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qpo2z27" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915818196613463_ynmaoxuan_5970961.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ml9ea7o" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>昆明正規(guī)聲測(cè)管廠家直銷,聲測(cè)管</p><p><span>***更新：</span>2020-09-16 07:01:09</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="d8d2z9p" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南貿(mào)軒商貿(mào)有限公司</a></p><p><span>聯(lián)系人：</span>謝經(jīng)理</p><p><span>郵箱: </span>1339843057@qq.com</p><p><span>電話: </span>13888426708</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://www.maoxuan666.com</p><p><span>手機(jī): </span>138-88426708</p><p><span>地址: </span>云南省昆明經(jīng)開區(qū)宏錫路4-1-2號(hào)鐵公雞物流園二號(hào)寫字樓408號(hào)</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="shbs4wd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ga43wlc" class="box"><p><p style="text-indent:25px">超聲波檢測(cè)：（三）樁外孔透射法當(dāng)樁的上部結(jié)構(gòu)已施工或樁內(nèi)沒有換能器通道時(shí)，可在樁外緊貼樁邊的土層中鉆一孔作為檢測(cè)通道，檢測(cè)時(shí)在樁頂面放置一發(fā)射功率較大的平面換能器，接收換能器從樁外孔中自上而下慢慢放下，超聲波沿樁身混凝土向下傳播，并穿過樁與孔之間的土層，通過孔中耦合水進(jìn)入接收換能器，逐點(diǎn)測(cè)出透射超聲波的聲學(xué)參數(shù)，根據(jù)信號(hào)的變化情況大致判定樁身質(zhì)量。由于超聲波在土中衰減很快，昆明正規(guī)聲測(cè)管廠家直銷，這種方法的可測(cè)樁長(zhǎng)十分有限，且只能判斷夾層、斷樁，昆明正規(guī)聲測(cè)管廠家直銷、縮頸等，昆明正規(guī)聲測(cè)管廠家直銷。套筒式聲測(cè)管現(xiàn)貨供應(yīng)，云南貿(mào)軒商貿(mào)有限公司。昆明正規(guī)聲測(cè)管廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明正規(guī)聲測(cè)管廠家直銷,聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915818196613463_ynmaoxuan_5970961.jpg"></div><p style="text-indent:25px">優(yōu)點(diǎn)一成本經(jīng)濟(jì)：在較深的橋梁碼頭高層建筑鉆孔灌注樁施工中，對(duì)于灌柱樁基檢測(cè)要求采用聲波透射法檢測(cè)樁基質(zhì)量，按照設(shè)計(jì)要求應(yīng)該預(yù)埋檢測(cè)管（聲測(cè)管）。樁徑0.8m以下的需埋設(shè)兩根檢測(cè)管，兩根檢測(cè)管必須固定在鋼筋籠內(nèi)同一直線上。樁徑0.8m-2.0m的需埋設(shè)三根檢測(cè)管，三根檢測(cè)管必須呈等腰三角形固定在鋼筋籠內(nèi)。2.0m以上的需埋設(shè)四根檢測(cè)管，四根檢測(cè)管必須呈正方形固定在鋼筋籠內(nèi)。常規(guī)要求采用外徑50-60mm的鋼管，壁厚3.5mm左右，施工中采取現(xiàn)場(chǎng)焊接法。這種方法在施工中所需成本高，操作復(fù)雜，給現(xiàn)場(chǎng)施工帶來極大不便，施工成本只占普通焊管成本1/3左右。**提高了工作效率，降低了施工成本。昆明正規(guī)聲測(cè)管廠家直銷13888426708液壓聲測(cè)管現(xiàn)貨供應(yīng)，云南貿(mào)軒商貿(mào)有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明正規(guī)聲測(cè)管廠家直銷,聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915817867487407_ynmaoxuan_5459100.jpg"></div><p style="text-indent:25px">超聲波檢測(cè)：（二）樁內(nèi)單孔透射法在某些特殊情況下只有一個(gè)孔道可供檢測(cè)使用，例如在鉆孔取芯后，我們需進(jìn)一步了解芯樣周圍混凝土質(zhì)量，作為鉆芯檢測(cè)的補(bǔ)充手段，這時(shí)可采用單孔檢測(cè)法，此時(shí)，換能器放置于一個(gè)孔中，換能器間用隔聲材料隔離（或采用**的一發(fā)雙收換能器）。超聲波從發(fā)射換能器出發(fā)經(jīng)耦合水進(jìn)入孔壁混凝土表層，并沿混凝土表層滑行一段距離后，再經(jīng)耦合水分別到達(dá)兩個(gè)接收換能器上，從而測(cè)出超聲波沿孔壁混凝土傳播時(shí)的各項(xiàng)聲學(xué)參數(shù)。需要注意的是，運(yùn)用這一檢測(cè)方式時(shí)，必須運(yùn)用信號(hào)分析技術(shù)，排除管中的影響干擾，當(dāng)孔道中有鋼質(zhì)套管時(shí)，由于鋼管影響超聲波在孔壁混凝土中的繞行，故不能用此法。</p><p> 直插式聲測(cè)管顧名思義就是兩根聲測(cè)管焊上接頭并在連接時(shí)里面佩戴好密封圈，使用兩根聲測(cè)管直接已連接就能使用，操作方法特別簡(jiǎn)單，由于是單方插入連接所以相對(duì)于螺旋式聲測(cè)管密封性相對(duì)差一些，但是直插式聲測(cè)管在我國還是屬于常用的連接方式，因其使用還是操作簡(jiǎn)單便于施工。 </p> <p> 直插式聲測(cè)管的接頭很有意思，如果懂得機(jī)械的人應(yīng)該知道發(fā)動(dòng)機(jī)活塞和缸體。在活塞上有密封圈和卡簧，卡簧就是讓活塞不離開缸體，直插式聲測(cè)管在結(jié)構(gòu)連接上有很大的相同性。在一個(gè)接頭上使用三道密封圈和一道卡簧，在另一個(gè)接頭上有卡槽。直接檢查好密封圈和卡簧直接一插就連接好了，很方便。鉗壓式聲測(cè)管源頭好貨，云南貿(mào)軒商貿(mào)有限公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明正規(guī)聲測(cè)管廠家直銷,聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040881984356/6371400408819843566329599.jpg"></div><p> 樁基聲測(cè)管注水的妙用不知道大家在平常使用樁基聲測(cè)管注漿過程中，有沒有遇到這樣的情況，注漿泵的壓力怎么都加不起來，漿液很快地就冒出了地面。其實(shí)遇到這樣的情況很多時(shí)候就是樁基聲測(cè)管安裝不合格造成的，但是在樁基聲測(cè)管過程中，這樣的問題往往很難預(yù)測(cè)，而且都是突發(fā)情況。不過這樣的問題并不是不能避免和解決的，小編我就為大家介紹一種十分有效又很簡(jiǎn)單的解決方法。這個(gè)方法其實(shí)就是樁基聲測(cè)管注水，是的，就是在樁基聲測(cè)管的安裝過程中注入清水，不同于聲測(cè)管的注水是為了后期的超聲波檢測(cè)，樁基聲測(cè)管注水的目的是在注漿前，發(fā)現(xiàn)樁基聲測(cè)管接頭處密封不好，并且及時(shí)解決。下面惠世達(dá)小編我就為大家具體的介紹為什么樁基聲測(cè)管注水可以解決這個(gè)問題。螺旋式聲測(cè)管廠家，云南貿(mào)軒商貿(mào)有限公司。昆明聲測(cè)管需要多少錢</p><p style="text-indent:25px">昆明聲測(cè)管生產(chǎn)廠家直銷，云南貿(mào)軒商貿(mào)有限公司。昆明正規(guī)聲測(cè)管廠家直銷</p><p style="text-indent:25px">聲測(cè)管材質(zhì)的選擇，以透聲率較大、便于安裝及費(fèi)用較低為原則。聲脈沖從發(fā)射換能器發(fā)出，通過耦合水到達(dá)水和聲測(cè)管管壁的界面，再通過管壁到達(dá)聲測(cè)管管壁與混凝土的界面，穿過混凝土后又需穿過另一聲測(cè)管的兩個(gè)界面而到達(dá)接收換能器。因此，聲測(cè)管形成4個(gè)界面，每個(gè)界面的聲能透過系數(shù)可按下式計(jì)算：式中：——某界面的聲能透過系數(shù)；——界面兩側(cè)介質(zhì)的聲阻抗率發(fā)射和接收換能器之間4個(gè)界面的總透聲系數(shù)為聲阻抗率較低，用做聲測(cè)管具有較大的透聲率，通常可用于較小的灌注樁，在大型灌注樁中使用時(shí)應(yīng)慎重，因?yàn)榇笾睆綐缎韫嘧⒋罅炕炷?，水泥的水化熱不易發(fā)散：鑒于塑料的熱膨脹系數(shù)與混凝土的相差懸殊，混凝土凝固后塑料管因溫度下降而產(chǎn)生徑向和縱向收縮，有可能使之與混凝土局部脫開而造成空氣或水的夾縫，在聲通路上又增加了更多反射強(qiáng)烈的界面，容易造成誤判。聲測(cè)管的直徑，通常比徑向換能器的直徑大l0mm即可，常用規(guī)格是內(nèi)徑50-60mm。管子的壁厚對(duì)透聲率的影響很小，所以，原則上對(duì)管壁厚度不作限制，但從節(jié)省用鋼量的角度而言，管壁只要能承受新澆混凝土的側(cè)壓力，則越薄越省。昆明正規(guī)聲測(cè)管廠家直銷</p><p style="text-indent:25px">云南貿(mào)軒商貿(mào)有限公司位于云南省昆明經(jīng)開區(qū)宏錫路4-1-2號(hào)鐵公雞物流園二號(hào)寫字樓408號(hào)，是一家專業(yè)的公司主要經(jīng)營各種規(guī)格：H型鋼、工字鋼、槽鋼、鋼板、方管、螺旋管、鍍鋅管、無縫管、圓鋼、C型鋼、彩瓦、鋼軌、角鋼、螺紋鋼、線材等系列產(chǎn)品的鋼材。常年經(jīng)銷昆鋼、柳鋼、鞍鋼、重鋼、攀鋼、萊鋼、匯鋼、玉昆、仙福、方圓等各大鋼廠鋼材。公司。在貿(mào)軒鋼材近多年發(fā)展歷史，公司旗下現(xiàn)有品牌昆鋼，柳鋼，鞍鋼，重鋼，攀鋼，萊鋼，匯鋼，玉昆鋼鐵，仙福鋼鐵，方圓等。公司不**提供專業(yè)的公司主要經(jīng)營各種規(guī)格：H型鋼、工字鋼、槽鋼、鋼板、方管、螺旋管、鍍鋅管、無縫管、圓鋼、C型鋼、彩瓦、鋼軌、角鋼、螺紋鋼、線材等系列產(chǎn)品的鋼材。常年經(jīng)銷昆鋼、柳鋼、鞍鋼、重鋼、攀鋼、萊鋼、匯鋼、玉昆、仙福、方圓等各大鋼廠鋼材。，同時(shí)還建立了完善的售后服務(wù)體系，為客戶提供良好的產(chǎn)品和服務(wù)。誠實(shí)、守信是對(duì)企業(yè)的經(jīng)營要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的鍍鋅管，工字鋼，槽鋼，角鋼。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1299221.html</p></div></div></div></div></div><div id="mb9zrne" class="page-right twoColRt"><div id="akelkbi" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="z2eym3s" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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