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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yjkc/">冶金礦產(chǎn)</a>?<a href="http://www.cdcfah.com/cp/second-yjkc_gangcai/">鋼材</a>?<a href="http://www.cdcfah.com/cp/third-gangcai_xingcai/">型材</a>?昆明口碑好聲測管經(jīng)銷商推薦咨詢云南貿(mào)軒商貿(mào)供應(yīng)</p><div id="ckeqkqy" class="leftbox clearfix"><h1>昆明口碑好聲測管經(jīng)銷商推薦咨詢云南貿(mào)軒商貿(mào)供應(yīng)</h1><div id="woik2mw" class="proBig"><div id="qgukgco" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040830370388/6371400408303703881280073.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ikagsq0" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040830370388/6371400408303703881280073.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2mac2gu" 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>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>昆明口碑好聲測管經(jīng)銷商,聲測管</p><p><span>***更新：</span>2020-09-04 16:01:18</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="qmcgy46" 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號鐵公雞物流園二號寫字樓408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="ay4usiq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="km4cekk" class="box"><p><p> 1超聲波檢測原理常用的基樁動測方法包括低應(yīng)變反射波法、高應(yīng)變動測法、超聲波法、動測法等。超聲波法檢測基樁由于檢測精度高、不受樁長、樁徑條件限制、測試無盲區(qū)等優(yōu)點，在混凝土基樁檢測中應(yīng)用越來越普及。其檢測原理是對計劃采用超聲波法檢測樁身質(zhì)量的基樁，施工時在樁身中埋入聲測管，檢測時發(fā)射換能器和接收換能器分別置于兩根管道中，由聲測管底部開始，發(fā)射探頭在某一個聲測管中邊上升邊發(fā)射高頻信號，該高頻信號穿過混凝土被另一個聲測管中同步移動的接收換能器所探測。隨著探頭沿整個樁長提升，依次測取各測點超聲脈沖穿過兩管道之間的混凝土，通過實測超聲波在混凝土介質(zhì)中傳播的聲時、波幅和頻率等參數(shù)的相對變化來檢測聲測管之間混凝土的缺點位置及影響程度，判定樁身完整性類別?；炷潦怯啥喾N材料組成的多相非勻質(zhì)體。對于正常的混凝土，聲波在其中傳播的速度是有一定范圍的，當(dāng)傳播路徑遇到混凝土有缺點時，昆明口碑好聲測管經(jīng)銷商，如斷裂，昆明口碑好聲測管經(jīng)銷商、裂縫、夾泥和密實度差等，聲波要繞過缺點或在傳播速度較慢的介質(zhì)中通過，聲波將發(fā)生衰減，造成傳播時間延長，使．聲時增大，計算聲速降低，波幅減小，波形畸變，昆明口碑好聲測管經(jīng)銷商，利用超聲波在混凝土中傳播的這些聲學(xué)參數(shù)的變化，來分析判斷樁身混凝土質(zhì)量。螺旋式聲測管現(xiàn)貨，云南貿(mào)軒商貿(mào)有限公司。昆明口碑好聲測管經(jīng)銷商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明口碑好聲測管經(jīng)銷商,聲測管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040830370388/6371400408303703881280073.jpg"></div><p> 聲測管漏水危害 </p> <p> 聲測管是伴隨著鋼筋籠一起埋入地下的，一般聲測管發(fā)生漏水不但影響到檢測的準(zhǔn)確性，還會造成混泥土震蕩不密實，甚至造成鋼筋籠的腐蝕，影響將來的使用壽命。 </p> <p> 聲測管漏水現(xiàn)象的原因 </p> <p> (1)聲測管舊樁較多，使用前禾進(jìn)行矯正修理或檢修不徹底，鎖口處咬合不好，以致接縫處易漏水。轉(zhuǎn)角處為實現(xiàn)封閉合攏，應(yīng)有特殊型式的轉(zhuǎn)角樁，這種轉(zhuǎn)角樁要經(jīng)過切斷焊接工序，可能會產(chǎn)生變形 </p> <p> (2)打設(shè)聲測管時，兩塊板樁的鎖口可能插對不嚴(yán)密，不符合要求。 </p> <p> (3)樁的垂直度不符合要求，導(dǎo)致鎖口漏水。昆明口碑好聲測管經(jīng)銷商套筒式聲測管，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="昆明口碑好聲測管經(jīng)銷商,聲測管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140041160072169/6371400411600721695775409.jpg"></div><p style="text-indent:25px">5．5 注水每埋設(shè)一節(jié)，均應(yīng)向聲測管內(nèi)加注清水作為檢測用的藕合劑。水不能直接用江水，尤其汛期江水含泥量較高，要經(jīng)過凈化處理后才能用來灌聲測管，來達(dá)到預(yù)防聲測管底部堵塞的目的。在灌注基樁水下混凝土之前，應(yīng)檢查聲測管內(nèi)的水位，如管內(nèi)的水不滿，則應(yīng)補(bǔ)充灌滿。5．6 試探樁基混凝土齡期在14 d以后才能進(jìn)行檢測。檢測前應(yīng)將樁頭鑿至設(shè)計標(biāo)高，并用測繩拴一根 32mm長約20 cm的鋼筋，做成吊錘對聲測管進(jìn)行試探是否暢順，并向管中注滿清水。6 聲測管堵塞的應(yīng)急預(yù)案在基樁檢測過程中發(fā)現(xiàn)，有些些施工單位對基樁聲測管保護(hù)的重視程度不足，經(jīng)常出聲測管被堵現(xiàn)象，導(dǎo)致檢測部門無法按既定的檢測方案開展檢測工作，工程不能順利進(jìn)行。</p><p style="text-indent:25px">超聲波檢測：（二）樁內(nèi)單孔透射法在某些特殊情況下只有一個孔道可供檢測使用，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，作為鉆芯檢測的補(bǔ)充手段，這時可采用單孔檢測法，此時，換能器放置于一個孔中，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)兩個接收換能器上，從而測出超聲波沿孔壁混凝土傳播時的各項聲學(xué)參數(shù)。需要注意的是，運用這一檢測方式時，必須運用信號分析技術(shù)，排除管中的影響干擾，當(dāng)孔道中有鋼質(zhì)套管時，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。螺旋式聲測管源頭好貨，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="昆明口碑好聲測管經(jīng)銷商,聲測管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040881984356/6371400408819843566329599.jpg"></div><p> 聲測管的安裝準(zhǔn)備工作：1) 安裝前工作：檢查聲測管底部基礎(chǔ)平整度、水平、標(biāo)高;核對土建基準(zhǔn)，確定涵洞位置、中心軸線、中點。 </p> <p> (2) 連接安裝聲測管：根據(jù)涵洞實際情況，排放涵管。如果涵洞兩側(cè)進(jìn)出水口是與路基同坡度的斜口形式，安裝時先安裝中間管節(jié)，在基礎(chǔ)長度方向留出進(jìn)出水口的位置。中間管節(jié)全部安裝完畢，校正就位后再安裝兩側(cè)進(jìn)出水口。 </p> <p> 安裝時從一側(cè)排放根管節(jié)，使其管子中心和基礎(chǔ)縱向中心線平行，同樣把第二根管放置就位，當(dāng)兩根管相鄰法蘭間相距3—5cm的縫隙時，用小撬棍對準(zhǔn)法蘭上的螺栓孔，使其兩根管法蘭上的螺栓孔對正，這時從第二節(jié)管的另一端用撬杠撬動管節(jié)，使其縱向平移，使兩法蘭間距在2cm左右，然后全部穿上螺栓，擰上螺絲，帶平扣即可。此后依此方式逐節(jié)依次連接，每道涵洞中間管節(jié)無先后次序，可以隨意連接。螺旋式聲測管批發(fā)，云南貿(mào)軒商貿(mào)有限公司。昆明鉗壓式聲測管現(xiàn)貨</p><p style="text-indent:25px">昆明聲測管哪個廠家好，云南貿(mào)軒商貿(mào)有限公司。昆明口碑好聲測管經(jīng)銷商</p><p style="text-indent:25px">聲測管可直接固定在鋼筋籠內(nèi)側(cè)上：固定方式可采用焊接或綁扎，管子之間應(yīng)基本上保持平行-若檢測結(jié)果需對各測點混凝土的強(qiáng)度做出評估，則不平行度應(yīng)控制在1‰以下。鋼筋籠放入樁孔時應(yīng)防止扭曲。管子一般隨鋼筋籠分段安裝，每段之間的接頭可采用反螺紋套筒接口或套管焊接方案，如圖8所示：若采用波紋管則可利用大一號的波紋管套接，并在套接管的兩端用膠布纏繞密封。無論那種接頭方案都必須保證在較高的靜水壓力下不漏漿，接口內(nèi)壁應(yīng)保持平整，不應(yīng)有焊渣、毛刺等凸出物，以免妨礙探頭的自如移動，聲測管的底部也應(yīng)密封，安裝完畢后應(yīng)將上口用木塞堵住，以免澆灌混凝土?xí)r落入異物，致使孔道堵塞。昆明口碑好聲測管經(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，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于鍍鋅管，工字鋼，槽鋼，角鋼，是冶金礦產(chǎn)的主力軍。貿(mào)軒鋼材始終以本分踏實的精神和必勝的信念，影響并帶動團(tuán)隊取得成功。貿(mào)軒鋼材始終關(guān)注自身，在風(fēng)云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使貿(mào)軒鋼材在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1155109.html</p></div></div></div></div></div><div id="is4amoo" class="page-right twoColRt"><div id="oa6koim" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cgo2ik4" 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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