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src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040995053732/6371400409950537321299908.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tnprq3e" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040995053732/6371400409950537321299908.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xmjlnub" 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>昆明質(zhì)量聲測管經(jīng)銷商,聲測管</p><p><span>***更新：</span>2020-12-11 06:02:42</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="ee2j88u" 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="fnuwtvx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ae2xmyf" class="box"><p><p style="text-indent:25px">超聲波檢測：（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通道，昆明質(zhì)量聲測管經(jīng)銷商，檢測時(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，這種方法的可測樁長十分有限，且只能判斷夾層、斷樁，昆明質(zhì)量聲測管經(jīng)銷商、縮頸等，昆明質(zhì)量聲測管經(jīng)銷商。螺旋式聲測管現(xiàn)貨充足，云南貿(mào)軒商貿(mào)有限公司。昆明質(zhì)量聲測管經(jīng)銷商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明質(zhì)量聲測管經(jīng)銷商,聲測管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040995053732/6371400409950537321299908.jpg"></div><p> 直插式連接使用的卡簧插入式連接，在聲測管兩端分別焊有子接口和母接口，輕輕插入就再也拔不出來了，所以在插入前務(wù)必檢查密封圈是否夾帶在子接口上。其操作是**為簡單，密封性比套筒式強(qiáng)，價(jià)格比螺旋式高，是這3種里**貴的。底管：一端焊接有底堵，另一端焊接有焊接有直插式接頭的母管管件。接頭母管件外部形狀類似于套筒，內(nèi)部構(gòu)造類似于汽車發(fā)動(dòng)機(jī)缸體，有鍵槽。 </p> <p> 中管：一端焊有接頭子管管件，形狀類似于汽車活塞，并且上邊有兩道密封圈，一道卡簧，可以與底管的母管件完美對(duì)接，輕輕按入就可卡入鍵槽。另一端焊有母管件，以便于下一只管子相連。 </p> <p> 頂管：一端焊有接頭子管管件;另一端無接頭，加配有管帽，防止雜物落入。 </p> <p> 直插式聲測管絕大多數(shù)為壁厚在2.0~3.5之間的厚壁管，可以直接焊接在樁基鋼筋籠上，也可以用多道鐵絲進(jìn)行捆綁。 </p> <p> 依次固定底管、中管、頂管，檢查好卡簧和密封圈后就可直接插入對(duì)接相連，無需其他工具輔助，施工非常簡便。 </p> <p> 安裝簡便，造價(jià)略高于其他同型號(hào)的聲測管產(chǎn)品。在密封性方面不如螺旋式，但優(yōu)于鉗壓式。我們之前也分別對(duì)這兩款產(chǎn)品進(jìn)行了介紹，您可以查看相關(guān)文章進(jìn)行了解。昆明質(zhì)量聲測管經(jīng)銷商昆明聲測管，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="昆明質(zhì)量聲測管經(jīng)銷商,聲測管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040830370388/6371400408303703881280073.jpg"></div><p style="text-indent:25px">聲測管材質(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)水和聲測管管壁的界面，再通過管壁到達(dá)聲測管管壁與混凝土的界面，穿過混凝土后又需穿過另一聲測管的兩個(gè)界面而到達(dá)接收換能器。因此，聲測管形成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，用做聲測管具有較大的透聲率，通?？捎糜谳^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。</p><p> 5．4聯(lián)接鋼筋籠放人樁孔時(shí)應(yīng)防止扭曲，聲測管一般隨鋼筋籠分段安裝。將帶有底蓋的聲測管固定在頭一節(jié)鋼筋籠上，其余的暫時(shí)固定在制作好的待下的鋼筋籠上，下鋼筋籠時(shí)將聲測管的上一節(jié)對(duì)接好后插上，同時(shí)把聲測管綁扎在鋼筋籠上，依次而做。每段之間的接頭可采用反螺紋套筒接口或套管焊接方案，反螺紋套筒接頭應(yīng)采用軟性的橡膠密封圈，套管聯(lián)接可選一段長80mm左右的鋼套筒，內(nèi)徑略大于聲測管外徑，將兩根聲測管套起來，用電焊將套筒與聲測管上下兩端焊結(jié)起來。無論哪種接頭方案都必須保證接頭有足夠的強(qiáng)度，保證聲測管不致受力彎曲脫開；在較高的靜水壓力下聯(lián)接部位密實(shí)不漏漿，接口內(nèi)壁應(yīng)保持平整，不應(yīng)有焊渣、毛刺等物，以免妨礙換能器的自如移動(dòng)。若聲測管需截?cái)?，宜用切割機(jī)切斷，切割后對(duì)管口進(jìn)行打磨消除內(nèi)外毛刺，不宜以電焊燒斷；焊接鋼筋時(shí)，應(yīng)避免焊液流濺到管體上或接頭上。云南聲測管價(jià)格，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="昆明質(zhì)量聲測管經(jīng)銷商,聲測管" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915818196613463_ynmaoxuan_5970961.jpg"></div><p> 聲測管施工的幾點(diǎn)要求簡介： </p> <p> 混凝土灌注樁以其承載力大、沉降小、能適應(yīng)各種地形地質(zhì)條件和各種重大土工構(gòu)筑物，對(duì)基礎(chǔ)承載力的需要等特點(diǎn)而被***采用。但由于灌注樁屬地下隱蔽工程，施工工藝復(fù)雜，在施工過程中，常遇到各種工程地質(zhì)問題如地下水滲流、流沙層、淤泥層，引起塌孔和縮徑，以及混凝土灌注過程中，容易出現(xiàn)各種問題使樁產(chǎn)生離析、夾泥、斷樁、縮徑等樁身缺陷，將對(duì)橋梁、路基等土工構(gòu)筑物的正常使用造成隱患。因此，對(duì)混凝土灌注樁的質(zhì)量檢測是十分重要的。鉗壓式聲測管廠家現(xiàn)貨，云南貿(mào)軒商貿(mào)有限公司。昆明螺旋式聲測管</p><p style="text-indent:25px">液壓聲測管哪個(gè)廠家好，云南貿(mào)軒商貿(mào)有限公司。昆明質(zhì)量聲測管經(jīng)銷商</p><p> 直插式聲測管顧名思義就是兩根聲測管焊上接頭并在連接時(shí)里面佩戴好密封圈，使用兩根聲測管直接已連接就能使用，操作方法特別簡單，由于是單方插入連接所以相對(duì)于螺旋式聲測管密封性相對(duì)差一些，但是直插式聲測管在我國還是屬于常用的連接方式，因其使用還是操作簡單便于施工。 </p> <p> 直插式聲測管的接頭很有意思，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。昆明質(zhì)量聲測管經(jīng)銷商</p><p style="text-indent:25px">云南貿(mào)軒商貿(mào)有限公司總部位于云南省昆明經(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。的公司。貿(mào)軒鋼材擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供鍍鋅管，工字鋼，槽鋼，角鋼。貿(mào)軒鋼材始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。貿(mào)軒鋼材始終關(guān)注冶金礦產(chǎn)行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2356660.html</p></div></div></div></div></div><div id="tikxzmz" class="page-right twoColRt"><div id="hbdaceb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oyj2axp" 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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