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復合土工膜在工程中的應用及施工工藝

作者:時間:2020-09-22 13:25:22

信息摘要:

復合土(tu)(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)是一種由土(tu)(tu)工(gong)(gong)(gong)(gong)(gong)織物和土(tu)(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)復合而(er)成的(de)土(tu)(tu)工(gong)(gong)(gong)(gong)(gong)合成材料,廣(guang)泛(fan)應用于各種工(gong)(gong)(gong)(gong)(gong)程領(ling)域(yu)中。由于其具有(you)(you)良(liang)好的(de)防(fang)滲性(xing)能、耐久性(xing)和抗(kang)拉伸強(qiang)度等優點,因(yin)此在水利工(gong)(gong)(gong)(gong)(gong)程、公路建設、隧道工(gong)(gong)(gong)(gong)(gong)程等領(ling)域(yu)中得到了廣(guang)泛(fan)的(de)應用。一、復合土(tu)(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)的(de)特(te)點1. 防(fang)滲性(xing)能強(qiang):復合土(tu)(tu)工(gong)(gong)(gong)(gong)(gong)膜(mo)經(jing)過特(te)殊工(gong)(gong)(gong)(gong)(gong)藝加工(gong)(gong)(gong)(gong)(gong),具有(you)(you)很好的(de)防(fang)滲性(xing)能,能夠(gou)有(you)(you)效防(fang)止液體滲透,

復合土工膜是一種由(you)土(tu)工(gong)織物和土(tu)工(gong)膜復合(he)而成的(de)土(tu)工(gong)合(he)成材料,廣泛應用于各(ge)種工(gong)程(cheng)(cheng)領域中。由(you)于其(qi)具有良好的(de)防滲(shen)性(xing)能、耐久性(xing)和抗拉(la)伸(shen)強度(du)等優點,因此(ci)在水(shui)利(li)工(gong)程(cheng)(cheng)、公(gong)路建設、隧道工(gong)程(cheng)(cheng)等領域中得(de)到了廣泛的(de)應用。

一、復合土工膜的特點

1. 防(fang)滲(shen)性(xing)能強:復合土工(gong)膜經過特(te)殊工(gong)藝加工(gong),具有很好的防(fang)滲(shen)性(xing)能,能夠有效防(fang)止液體(ti)滲(shen)透(tou),減少滲(shen)漏(lou)損失。

2. 耐(nai)(nai)久性好:復合(he)土工膜采用(yong)高(gao)分(fen)子材(cai)料(liao)制成,具(ju)有(you)很好的(de)耐(nai)(nai)腐(fu)蝕、耐(nai)(nai)磨損和耐(nai)(nai)老(lao)化性能,使用(yong)壽命長。

3. 抗(kang)拉伸(shen)強度高:復(fu)合土工膜具有一定的抗(kang)拉伸(shen)強度,能(neng)夠在各種應力作用下保持(chi)完好,不易破損(sun)。

4. 施工方便(bian):復合土工膜(mo)重量(liang)輕(qing)、易運輸、易鋪設,施工方便(bian)快捷。

二(er)、復合土工膜在工程中的應用

1. 水利工程 

在水(shui)利工(gong)程中(zhong)(zhong),復合(he)(he)土(tu)工(gong)膜廣(guang)泛應用于(yu)水(shui)庫、水(shui)電(dian)站、堤防等工(gong)程的防滲(shen)施工(gong)中(zhong)(zhong)。通(tong)過(guo)鋪設復合(he)(he)土(tu)工(gong)膜,能夠有效防止(zhi)水(shui)體滲(shen)漏(lou),提高水(shui)利工(gong)程的穩定性(xing)和安全性(xing)。同時(shi),復合(he)(he)土(tu)工(gong)膜還(huan)具有很好的耐(nai)久性(xing)和抗拉伸(shen)強度(du),能夠保證水(shui)利工(gong)程長期穩定運行。 

2. 公(gong)路建設 

在公路(lu)建設中,復(fu)(fu)合土(tu)工(gong)(gong)(gong)膜被(bei)廣泛應用于(yu)路(lu)基和路(lu)面的防(fang)(fang)滲施工(gong)(gong)(gong)中。通過在路(lu)基和路(lu)面基層之(zhi)間鋪設復(fu)(fu)合土(tu)工(gong)(gong)(gong)膜,能(neng)(neng)夠有效防(fang)(fang)止水滲透對路(lu)基和路(lu)面的破壞,提高(gao)公路(lu)的穩(wen)定(ding)性和安全性。同時(shi),復(fu)(fu)合土(tu)工(gong)(gong)(gong)膜還(huan)具有良好的耐(nai)久性和抗(kang)拉伸強度(du),能(neng)(neng)夠保證公路(lu)長(chang)期(qi)穩(wen)定(ding)運(yun)行。

3. 隧道工程 

在隧道(dao)(dao)工(gong)(gong)程中(zhong),復合土(tu)工(gong)(gong)膜(mo)被廣泛應用(yong)于隧道(dao)(dao)防水層施工(gong)(gong)中(zhong)。通過在隧道(dao)(dao)初期支護和(he)二(er)次襯砌之間鋪設復合土(tu)工(gong)(gong)膜(mo),能夠有(you)效防止水滲透對(dui)隧道(dao)(dao)結構的破壞,提高隧道(dao)(dao)的穩定(ding)性和(he)安全(quan)性。同時,復合土(tu)工(gong)(gong)膜(mo)還具(ju)有(you)良好的耐(nai)久性和(he)抗拉伸強度,能夠保證隧道(dao)(dao)長期穩定(ding)運行(xing)。 

三、復合土工膜的施工工藝

1. 基(ji)面處理(li):在鋪設復合土(tu)工膜(mo)前,需要對基(ji)面進行清理(li)和(he)(he)平(ping)整,去(qu)除雜物(wu)和(he)(he)突出物(wu),保證基(ji)面平(ping)整、干(gan)凈。

2. 鋪設準備:根據(ju)工(gong)程(cheng)需要,選(xuan)擇合適規(gui)格和厚度的復合土工(gong)膜,并按照要求進行(xing)裁(cai)剪和拼接。

3. 鋪(pu)設(she)施工:在鋪(pu)設(she)復合(he)土(tu)工膜(mo)時(shi),需(xu)要保證(zheng)其與(yu)基面貼合(he)緊密,避免(mian)出現褶皺、鼓包(bao)等現象(xiang)。同時(shi),需(xu)要注意防止尖銳物體刺破土(tu)工膜(mo),導(dao)致滲漏(lou)。

4. 焊接和(he)錨固(gu):在鋪設完(wan)成后,需(xu)要對復合(he)土(tu)工膜進(jin)行焊接和(he)錨固(gu),保證(zheng)其穩定性。在焊接時,需(xu)要采(cai)用專業的焊接設備和(he)技術,保證(zheng)焊接質量;在錨固(gu)時,需(xu)要根據實際情(qing)況選擇合(he)適(shi)的錨固(gu)方式和(he)材料(liao),保證(zheng)錨固(gu)效果。

5. 質(zhi)量(liang)檢(jian)測(ce)(ce):在施工完成后,需要(yao)對復(fu)合土工膜(mo)進行質(zhi)量(liang)檢(jian)測(ce)(ce),包括外觀檢(jian)查、氣壓檢(jian)測(ce)(ce)等。如果發現質(zhi)量(liang)問題,需要(yao)及時進行處理和修復(fu)。