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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(cè)管,聲測(cè)管</p><p><span>***更新：</span>2020-07-26 11:00:18</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="7ixzwtk" 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="oyv7fh7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lurew8s" class="box"><p><p style="text-indent:25px">4 聲測(cè)管的工藝質(zhì)量控制4．1 聲測(cè)管的埋置數(shù)量聲測(cè)管的埋置數(shù)量，交通和建筑規(guī)范略有區(qū)別，交通部公路工程基樁動(dòng)測(cè)技術(shù)規(guī)程規(guī)定如表1規(guī)定，昆明質(zhì)量聲測(cè)管。4．2 聲測(cè)管的直徑超聲波檢測(cè)放入聲測(cè)管中的換能器直徑一般為30 mm左右或更小，規(guī)范規(guī)定聲測(cè)管內(nèi)徑比換能器直徑宜大10 mm～20 mm，因此選用聲測(cè)管宜選用直徑40 mm～60 mm鋼管。4．3 聲測(cè)管的壁厚聲測(cè)管的壁厚要求，除能滿足工藝性能外，昆明質(zhì)量聲測(cè)管，還要確保安全使用，昆明質(zhì)量聲測(cè)管，宜符合表2要求。聲測(cè)管的材料質(zhì)量控制主要從外觀質(zhì)量和材質(zhì)要求兩方面進(jìn)行控制螺旋式聲測(cè)管供應(yīng)商，云南貿(mào)軒商貿(mào)有限公司。昆明質(zhì)量聲測(cè)管</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明質(zhì)量聲測(cè)管,聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040995053732/6371400409950537321299908.jpg"></div><p style="text-indent:25px">2 聲測(cè)管對(duì)檢測(cè)的影晌常見檢測(cè)時(shí)聲測(cè)管會(huì)發(fā)生以下質(zhì)量問(wèn)題：2．1 樁底聲測(cè)管彎曲因施工不當(dāng)，造成樁底聲測(cè)管向內(nèi)彎曲，間距變小，使發(fā)射與接收換能器不保持平行，超聲脈沖聲速異常偏高，波幅降低，聲速曲線不正常。由于樁底是缺陷易發(fā)生部位，根據(jù)此類曲線很難判定樁底是否存在缺陷，很可能發(fā)生漏判、誤判，給工程留下安全隱患。2．2 樁身聲測(cè)管傾斜或彎曲變形聲測(cè)管綁扎不牢或綁扎間距過(guò)大，在澆筑混凝土過(guò)程中，聲測(cè)管受混凝土擠壓發(fā)生傾斜或彎曲變形，管間距離變大或變小，直接影響檢測(cè)結(jié)果的分析判定，甚至無(wú)法給出樁身完整性類別，只能采取鉆芯或其他可靠的方法進(jìn)行檢測(cè)，影響正常的施工。<span style="display:none;"></span>昆明質(zhì)量聲測(cè)管鉗壓式聲測(cè)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(cè)管,聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915817867487407_ynmaoxuan_5459100.jpg"></div><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(guò)耦合水到達(dá)水和聲測(cè)管管壁的界面，再通過(guò)管壁到達(dá)聲測(cè)管管壁與混凝土的界面，穿過(guò)混凝土后又需穿過(guò)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(guò)系數(shù)可按下式計(jì)算：式中：——某界面的聲能透過(guò)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?？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(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。</p><p style="text-indent:25px">云南貿(mào)軒商貿(mào)有限公司成立于1998年5月，地址位于昆明市經(jīng)開區(qū)新鐵公雞物流城，注冊(cè)資金達(dá)1000萬(wàn)人民幣。公司主營(yíng)工字鋼，角鋼，槽鋼，鋼板，鋼管等。公司配有室外倉(cāng)儲(chǔ)貨場(chǎng)20000多平方米，室內(nèi)庫(kù)房15000多平方米，10噸起重行車3臺(tái)，25噸起重行車1臺(tái)。加工設(shè)備有1.5~8mm熱軋鋼卷橫切、縱剪復(fù)合生產(chǎn)線1條，4~16mm重型熱軋鋼卷橫切生產(chǎn)線1條。貨場(chǎng)常年日均儲(chǔ)備上萬(wàn)噸鋼材。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，年銷售量達(dá)8萬(wàn)噸以上。銷售質(zhì)量聲測(cè)管，歡迎咨詢選購(gòu) 云南聲測(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="昆明質(zhì)量聲測(cè)管,聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140041160072169/6371400411600721695775409.jpg"></div><p> 聲測(cè)管的運(yùn)輸方式一般都是采用汽運(yùn)方式，考慮多種因素的問(wèn)題選擇汽運(yùn)配貨(配貨)和整車汽運(yùn)(包車)兩種方式。下面聲測(cè)管廠家就來(lái)說(shuō)說(shuō)運(yùn)輸方式的選擇。 </p> <p> 整車運(yùn)輸聲測(cè)管的情況： </p> <p> 1、工地特別偏或是離工廠特別近，沒(méi)法進(jìn)行配貨，這種情況下不得不包車。 </p> <p> 2、體積達(dá)到或接近車輛能夠容納的體積(一般為鉗壓式聲測(cè)管)，這樣車輛同樣不能夠配其他貨物，繼承配貨造成運(yùn)輸本錢更高或是超載。 </p> <p> 3、噸位達(dá)到或接近車輛載重量(一般是螺旋式聲測(cè)管)。假如再裝別得貨就超載，這種情況下只能包車采用整車運(yùn)輸?；蛘呤侵荒軌蚺涮貏e少的貨，這種情況下司機(jī)多地卸貨本錢太高，也必需包車。 </p> <p> 4、工地特別著急使用，要求運(yùn)輸時(shí)間短，必需包車才能夠按要求運(yùn)抵工地。 </p> <p> 反之，則采用配貨運(yùn)輸聲測(cè)管。主要知足以下前提，配貨比較利便，聲測(cè)管裝完之后車輛的噸位和體積遠(yuǎn)低于載重，工地施工聲測(cè)管不是很著急。螺旋式聲測(cè)管廠家直銷，云南貿(mào)軒商貿(mào)有限公司。昆明鉗壓式聲測(cè)管廠家</p><p style="text-indent:25px">液壓聲測(cè)管源頭好貨，云南貿(mào)軒商貿(mào)有限公司。昆明質(zhì)量聲測(cè)管</p><p style="text-indent:25px">聲測(cè)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(cè)結(jié)果需對(duì)各測(cè)點(diǎn)混凝土的強(qiáng)度做出評(píng)估，則不平行度應(yīng)控制在1‰以下。鋼筋籠放入樁孔時(shí)應(yīng)防止扭曲。[1]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，若采用波紋管則可利用大一號(hào)的波紋管套接，并在套接管的兩端用膠布纏繞密封。無(wú)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(dòng)，聲測(cè)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。昆明質(zhì)量聲測(cè)管</p><p style="text-indent:25px">云南貿(mào)軒商貿(mào)有限公司成立于2018-01-16，是一家貿(mào)易型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下[ "鍍鋅管", "工字鋼", "槽鋼", "角鋼" ]深受客戶的喜愛(ài)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在冶金礦產(chǎn)深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為**，發(fā)揮人才優(yōu)勢(shì)，打造冶金礦產(chǎn)質(zhì)量品牌。公司憑借深厚技術(shù)支持，年?duì)I業(yè)額度達(dá)到2000-3000萬(wàn)元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/703815.html</p></div></div></div></div></div><div id="qjwyqcj" class="page-right twoColRt"><div id="87yn38d" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gq37ury" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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