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id="tcbxyzv" class="box"><p><p> 聲測(cè)管施工的幾點(diǎn)要求簡(jiǎn)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，昆明鉗壓式聲測(cè)管批發(fā)，施工工藝復(fù)雜，在施工過(guò)程中，常遇到各種工程地質(zhì)問(wèn)題如地下水滲流、流沙層、淤泥層，昆明鉗壓式聲測(cè)管批發(fā)，引起塌孔和縮徑，以及混凝土灌注過(guò)程中，容易出現(xiàn)各種問(wèn)題使樁產(chǎn)生離析、夾泥、斷樁，昆明鉗壓式聲測(cè)管批發(fā)、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(cè)是十分重要的。鉗壓式聲測(cè)管源頭好貨，云南貿(mào)軒商貿(mào)有限公司。昆明鉗壓式聲測(cè)管批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆明鉗壓式聲測(cè)管批發(fā),聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/2019/4/23/2/636915818144880050_ynmaoxuan_3009845.jpg"></div><p> 聲測(cè)管廠家分析聲測(cè)管的作用范圍： </p> <p> 1、聲測(cè)管一般作用于高速公路、橋梁樁基、廣場(chǎng)、機(jī)場(chǎng)等穩(wěn)定土層的施工。 </p> <p> 2、聲測(cè)管的通常長(zhǎng)度為 3米6米9米12米，如客戶需要也可以按照客戶的要求做但是時(shí)間長(zhǎng)價(jià)格高。 </p> <p> 3、薄壁聲測(cè)管的管材使用熱帶鋼管，熱帶鋼管經(jīng)過(guò)冷 </p> <p> 軋后用無(wú)氧高頻電阻焊的加工方法制造而成，當(dāng)然也有冷帶的，他們的作用是一樣的，而且不會(huì)影響連接操作。聲測(cè)管廠家分析聲測(cè)管的作用范圍： </p> <p> 1、聲測(cè)管一般作用于高速公路、橋梁樁基、廣場(chǎng)、機(jī)場(chǎng)等穩(wěn)定土層的施工。 </p> <p> 2、聲測(cè)管的通常長(zhǎng)度為 3米6米9米12米，如客戶需要也可以按照客戶的要求做但是時(shí)間長(zhǎng)價(jià)格高。 </p> <p> 3、薄壁聲測(cè)管的管材使用熱帶鋼管，熱帶鋼管經(jīng)過(guò)冷軋后用無(wú)氧高頻電阻焊的加工方法制造而成，當(dāng)然也有冷帶的，他們的作用是一樣的，而且不會(huì)影響連接操作。昆明鉗壓式聲測(cè)管批發(fā)螺旋式聲測(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="昆明鉗壓式聲測(cè)管批發(fā),聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040674898400/6371400406748984007267152.jpg"></div><p style="text-indent:25px">超聲波檢測(cè)：聲測(cè)管安裝好之后，按照超聲波換能器通道在樁體中的不同的布置方式，超聲波透射法基樁檢測(cè)主要有三種方法：（一）樁內(nèi)跨孔透射法此法是一種較成熟可靠的方法，是超聲波透射法檢測(cè)樁身質(zhì)量的**主要形式，其方法是在樁內(nèi)預(yù)埋兩根或兩根以上的聲測(cè)管，在管中注滿清水，把發(fā)射、接收換能器分別置于兩管道中。檢測(cè)時(shí)超聲波由發(fā)射換能器出發(fā)穿透兩管間混凝土后被接收換能器接收，實(shí)際有效檢測(cè)范圍為聲波脈沖從發(fā)射換能器到接收換能器所掃過(guò)的面積。根據(jù)不同的情況，采用一種或多種測(cè)試方法，采集聲學(xué)參數(shù)，根據(jù)波形的變化，來(lái)判定樁身混凝土強(qiáng)度，判斷樁身混凝土質(zhì)量，跨孔法檢測(cè)根據(jù)兩換能器相對(duì)高程的變化，又可分為平測(cè)、斜測(cè)、交叉斜測(cè)、扇形掃描測(cè)等方式，在檢測(cè)時(shí)視實(shí)際需要靈活運(yùn)用。 </p><p style="text-indent:25px">堵管處理方法：1、對(duì)于既定的檢測(cè)方案原則上不得更改。2、“通管”：當(dāng)聲測(cè)管堵塞時(shí)，施工單位應(yīng)采取有效措施進(jìn)行“通管”，可采用下述3種方法：①用粗長(zhǎng)鋼筋捅通測(cè)管；②用高壓水沖洗清管；③采用鉆機(jī)配小鉆頭進(jìn)行掃孔。3、當(dāng)無(wú)法“通管”時(shí)，按以下原則處理：①、當(dāng)為某橋的一根樁時(shí)，必須進(jìn)行抽芯檢測(cè)。②、當(dāng)為某橋的非一根樁時(shí)，施工單位按附表1的格式填寫《變更檢測(cè)方法申請(qǐng)表》，并經(jīng)監(jiān)理、業(yè)主代表和監(jiān)督負(fù)責(zé)人簽名同意后，予以實(shí)施。③、若某橋多次出現(xiàn)堵管問(wèn)題，須適時(shí)進(jìn)行抽芯檢測(cè)。4、增加的檢測(cè)費(fèi)用由施工單位承擔(dān)。 5、監(jiān)理須要求施工單位在申報(bào)檢測(cè)前對(duì)聲測(cè)管進(jìn)行檢查；當(dāng)需更改檢測(cè)方案時(shí)，提前完善相關(guān)手續(xù)，避免因聲測(cè)管檢測(cè)問(wèn)題影響施工的順利推進(jìn)。螺旋式聲測(cè)管哪個(gè)廠家好？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="昆明鉗壓式聲測(cè)管批發(fā),聲測(cè)管" src="http://tyunfile.71360.com/UpLoadFile/ynmaoxuan/2020/1/637140040587274356/6371400405872743566519434.jpg"></div><p> 一般遇到這樣的問(wèn)題，基本都是因?yàn)闃痘暅y(cè)管之間的連接不緊密造成的，但是因?yàn)榇藭r(shí)樁基聲測(cè)管已隨鋼筋籠下到樁內(nèi)，要想找到是那里的接頭連接不緊密，并且修正的話，其實(shí)是很難的，而一般常見(jiàn)的解決辦法雖然也能完成，但是十分繁瑣，好的辦好就是在下管前就能進(jìn)行檢查，及早發(fā)現(xiàn)，及早解決。 </p> <p> 工人師傅因?yàn)殚L(zhǎng)期機(jī)械勞動(dòng)，在樁基聲測(cè)管連接時(shí)，容易發(fā)生操作不到位的情況，但是很多時(shí)候工人師傅是自己無(wú)法察覺(jué)到的(如果是有意識(shí)的，那就是另一個(gè)問(wèn)題了)，如果在樁基聲測(cè)管與樁基聲測(cè)管連接的過(guò)程中，在樁基聲測(cè)管內(nèi)注入清水，那些連接不牢的地方就會(huì)出現(xiàn)滲水，這時(shí)就比較容易發(fā)現(xiàn)問(wèn)題，而一但發(fā)現(xiàn)問(wèn)題，處理起來(lái)就相對(duì)而言容易的多。如果是使用的惠世達(dá)樁基聲測(cè)管，因?yàn)槭鞘褂玫挠⒅茦?biāo)準(zhǔn)螺紋，只需用扳手簡(jiǎn)單加緊就可以解決啦。簡(jiǎn)單快捷，即不會(huì)影響工程的進(jìn)度，又相當(dāng)了檢查了一遍樁基聲測(cè)管接口的質(zhì)量，一舉兩得。套筒式聲測(cè)管源頭好貨，云南貿(mào)軒商貿(mào)有限公司。昆明鉗壓式聲測(cè)管批發(fā)</p><p style="text-indent:25px">云南聲測(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)管批發(fā)</p><p> 聲測(cè)管漏水危害 </p> <p> 聲測(cè)管是伴隨著鋼筋籠一起埋入地下的，一般聲測(cè)管發(fā)生漏水不但影響到檢測(cè)的準(zhǔn)確性，還會(huì)造成混泥土震蕩不密實(shí)，甚至造成鋼筋籠的腐蝕，影響將來(lái)的使用壽命。 </p> <p> 聲測(cè)管漏水現(xiàn)象的原因 </p> <p> (1)聲測(cè)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(shí)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(guò)切斷焊接工序，可能會(huì)產(chǎn)生變形 </p> <p> (2)打設(shè)聲測(cè)管時(shí)，兩塊板樁的鎖口可能插對(duì)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。昆明鉗壓式聲測(cè)管批發(fā)</p><p style="text-indent:25px">云南貿(mào)軒商貿(mào)有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來(lái)、有夢(mèng)想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來(lái)的道路上大放光明，攜手共畫(huà)藍(lán)圖，在云南省昆明市等地區(qū)的冶金礦產(chǎn)行業(yè)中積累了大批忠誠(chéng)的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來(lái)公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將**貿(mào)軒鋼材和您一起攜手步入輝煌，共創(chuàng)佳績(jī)，一直以來(lái)，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠(chéng)實(shí)守信的方針，員工精誠(chéng)努力，協(xié)同奮取，以品質(zhì)、服務(wù)來(lái)贏得市場(chǎng)，我們一直在路上！</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2909961.html</p></div></div></div></div></div><div id="8awxtul" class="page-right twoColRt"><div id="xabnefb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="z8vjkab" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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