hdpe復合土工膜擁有比較**的垂直透水功能
瀏覽次數:次信息來源:泰安佳路通工程材料有限公司(si)發布時間:2023/2/17
隨著如今社會經濟的不斷進步發展,土工材料市場也在不斷發展壯大起來,hdpe復合土工膜又是土工材料市場比較典型的產品類型,hdpe復合土工膜其使用范圍方向也是比較廣泛的,關于hdpe復合土工膜有哪些**之處,小編為您進行了總結概述。 hdpe復合土工(gong)膜防滲(shen)層(ceng)(ceng)(ceng)結構(gou)包括上游保(bao)(bao)護(hu)(hu)層(ceng)(ceng)(ceng)、上墊層(ceng)(ceng)(ceng)、防滲(shen)土工(gong)膜、下墊層(ceng)(ceng)(ceng)和(he)支撐層(ceng)(ceng)(ceng)。有時,下墊層(ceng)(ceng)(ceng)和(he)支撐層(ceng)(ceng)(ceng)結合在一起(qi),統(tong)稱為(wei)支撐層(ceng)(ceng)(ceng),保(bao)(bao)護(hu)(hu)層(ceng)(ceng)(ceng)和(he)上墊層(ceng)(ceng)(ceng)也統(tong)稱為(wei)保(bao)(bao)護(hu)(hu)層(ceng)(ceng)(ceng)。 hdpe復合(he)(he)土(tu)(tu)(tu)工(gong)膜(mo)鋪(pu)設后(hou),應盡量減少膜(mo)面上的行(xing)走(zou)和移(yi)動工(gong)具。任何可能對防滲(shen)膜(mo)造成(cheng)傷害的物體都不應放在或(huo)攜帶在防滲(shen)膜(mo)上,以免對防滲(shen)膜(mo)造成(cheng)意外損壞。二是要了解hdpe復合(he)(he)土(tu)(tu)(tu)工(gong)膜(mo)的應用范圍(wei)。土(tu)(tu)(tu)工(gong)膜(mo)是一(yi)種(zhong)土(tu)(tu)(tu)工(gong)合(he)(he)成(cheng)材料。hdpe復合(he)(he)土(tu)(tu)(tu)工(gong)膜(mo)具有優良的垂(chui)直透水功能:用土(tu)(tu)(tu)工(gong)布加固(gu)地基(ji)(ji)(ji)的機理是在地基(ji)(ji)(ji)表面鋪(pu)設一(yi)層具有一(yi)定剛(gang)度和抗拉強度的土(tu)(tu)(tu)工(gong)布,然后(hou)在土(tu)(tu)(tu)工(gong)布上鋪(pu)設一(yi)定厚度的山(shan)皮(pi)石,使(shi)土(tu)(tu)(tu)工(gong)布與(yu)地基(ji)(ji)(ji)相連,其抗拉功能起到支撐荷載(zai)和分散注意力的作用。hdpe復合(he)(he)土(tu)(tu)(tu)工(gong)膜(mo)增加了地基(ji)(ji)(ji)的抗剪(jian)強度,從而防止軟(ruan)土(tu)(tu)(tu)地基(ji)(ji)(ji)的過度出現。 支撐層(ceng)(ceng)是保(bao)(bao)證hdpe復(fu)合(he)土(tu)工(gong)膜**穩定的(de)重要組成結構。在設計(ji)中,下(xia)墊(dian)(dian)層(ceng)(ceng)應盡(jin)可能采用(yong)細顆粒材料,以(yi)保(bao)(bao)證hdpe復(fu)合(he)土(tu)工(gong)膜不會被刺穿或爆(bao)裂損壞(huai),形成滲漏通道。同時(shi)要求支撐層(ceng)(ceng)與下(xia)臥墊(dian)(dian)層(ceng)(ceng)之(zhi)間(jian)的(de)層(ceng)(ceng)間(jian)關(guan)系必須滿足滲流穩定性,以(yi)保(bao)(bao)證hdpe復(fu)合(he)土(tu)工(gong)膜受(shou)損時(shi)墊(dian)(dian)層(ceng)(ceng)的(de)滲流穩定性。 鋪設hdpe復合(he)土(tu)(tu)工(gong)膜(mo)時,應與(yu)壩(ba)體軸線垂直鋪設,嚴格控制膜(mo)與(yu)膜(mo)之(zhi)(zhi)間(jian)的(de)重疊距離,并保持(chi)土(tu)(tu)工(gong)膜(mo)與(yu)下墊層(ceng)之(zhi)(zhi)間(jian)的(de)緊(jin)密度,以(yi)保證整平工(gong)作符合(he)工(gong)程標(biao)準。需(xu)要(yao)注(zhu)意的(de)是(shi)土(tu)(tu)工(gong)膜(mo)不要(yao)繃得太緊(jin),要(yao)保持(chi)一定(ding)的(de)松弛度。氣(qi)泡不應出現在膜(mo)的(de)底部(bu)。新型復合(he)土(tu)(tu)工(gong)膜(mo)輕薄,可能被(bei)風(feng)吹走(zou)。 因此鋪設(she)時(shi)每隔一定距離設(she)置一個溝(gou)槽,作為土工膜的防滑枕,土工膜固定在(zai)溝(gou)槽內,回填(tian)沙子、泥漿、粘土等(deng)。 為了(le)保(bao)證hdpe復合土(tu)工(gong)(gong)(gong)膜(mo)的鋪設效果,盡(jin)可能在(zai)溫暖干燥的天氣(qi)下(xia)鋪設,可以選(xuan)擇波浪形松弛鋪設方法(fa),可以保(bao)證土(tu)工(gong)(gong)(gong)膜(mo)保(bao)持(chi)(chi)一定的豐富度(約(yue)1.5%)。土(tu)工(gong)(gong)(gong)膜(mo)埋入防滑枕時,應先將土(tu)工(gong)(gong)(gong)膜(mo)整平,并保(bao)持(chi)(chi)緊貼斜坡(po),不得有褶皺或凸(tu)起。鋪設土(tu)工(gong)(gong)(gong)膜(mo)過(guo)程(cheng)中,工(gong)(gong)(gong)人(ren)不得穿(chuan)有凸(tu)出(chu)部分的鞋,以免(mian)踩在(zai)土(tu)工(gong)(gong)(gong)膜(mo)上,并可穿(chuan)平底布鞋和軟膠(jiao)鞋。土(tu)工(gong)(gong)(gong)膜(mo)在(zai)施工(gong)(gong)(gong)過(guo)程(cheng)中一旦(dan)損壞,需要進行修復,以保(bao)證土(tu)工(gong)(gong)(gong)膜(mo)的完(wan)整性。 以上就是關于(yu)hdpe復合(he)土(tu)工(gong)(gong)膜鋪設**特性以及鋪設技巧,希望能(neng)夠幫助(zhu)客(ke)戶(hu)朋友更加(jia)深入全面的(de)(de)了(le)解hdpe復合(he)土(tu)工(gong)(gong)膜,保障(zhang)工(gong)(gong)程施工(gong)(gong)需求提供(gong)支持幫助(zhu),我公司(si)會持續加(jia)大生產(chan)力(li)度(du),為更多有需要(yao)的(de)(de)客(ke)戶(hu)提供(gong)滿意的(de)(de)土(tu)工(gong)(gong)材料產(chan)品。
