hdpe復合土工膜的鋪設盡量避開風雨天氣
瀏覽次數:次信息來源:泰安佳路通工程材料有限(xian)公司發布時間:2023/8/10
hdpe復合土工膜是比較典型的土工材料產品,被廣泛應用于各大環保防滲工程,成為廣受客戶朋友信賴認可土工材料產品,關于hdpe復合土工膜施工知識技巧我公司也是掌握了解,關于hdpe復合土工膜鋪設須避開風雨天氣的詳情,小編為您進行了概況總結。 水(shui)庫雖然也是以(yi)儲(chu)存液體為(wei)主,但(dan)壩體內的(de)防(fang)滲(shen)結構與(yu)蒸發(fa)塘相(xiang)差(cha)較大,難以(yi)對(dui)蒸發(fa)塘岸坡土(tu)工(gong)膜(mo)防(fang)滲(shen)層(ceng)(ceng)力(li)學性能(neng)分析提供直接的(de)借(jie)鑒。確保復合土(tu)工(gong)膜(mo)與(yu)趾板之(zhi)間的(de)密(mi)封性。采用滲(shen)透(tou)(tou)系數(shu)不小于10-2cm/s的(de)透(tou)(tou)水(shui)墊(dian)層(ceng)(ceng)可有效預防(fang)土(tu)工(gong)膜(mo)出現局部(bu)失穩。風力(li)過大會(hui)形成防(fang)滲(shen)土(tu)工(gong)膜(mo)破損,因(yin)而在防(fang)滲(shen)土(tu)工(gong)膜(mo)鋪(pu)設(she)時(shi)(shi)應盡管防(fang)止(zhi)風雨(yu)天色;氣溫℃為(wei)宜,研究到土(tu)工(gong)膜(mo)的(de)熱脹(zhang)冷(leng)縮(suo)性,根據經驗,天冷(leng)時(shi)(shi)防(fang)滲(shen)土(tu)工(gong)膜(mo)的(de)鋪(pu)設(she)應緊一些,天熱時(shi)(shi)應懈弛;但(dan)要小心,在夏季應防(fang)止(zhi)晌(shang)午時(shi)(shi)的(de)高溫。通過(guo)hdpe復(fu)(fu)合土(tu)工(gong)膜與(yu)坡面之(zhi)間摩(mo)擦能阻止hdpe復(fu)(fu)合土(tu)工(gong)膜在坡面上的(de)(de)滑移,同時hdpe復(fu)(fu)合土(tu)工(gong)膜與(yu)錨(mao)(mao)固溝溝壁(bi)的(de)(de)摩(mo)擦及(ji)錨(mao)(mao)固溝的(de)(de)錨(mao)(mao)固作用(yong)也可阻止hdpe復(fu)(fu)合土(tu)工(gong)膜的(de)(de)滑動。下(xia)口搭接(jie)處人工(gong)清理出10cm的(de)(de)不復(fu)(fu)合層(即布、膜分開稱為留邊)以便(bian)土(tu)工(gong)膜橫向(xiang)連接(jie)。復(fu)(fu)合土(tu)工(gong)膜由于其選(xuan)用(yong)高分子(zi)材料且生產工(gong)藝中添加(jia)了防老(lao)化劑,所(suo)以可在非常規溫度環境中使(shi)用(yong)。當水(shui)(shui)由細(xi)料(liao)土(tu)層流入粗料(liao)土(tu)層時(shi),運用防滲土(tu)工膜杰出的透氣性(xing)和透水(shui)(shui)性(xing),使水(shui)(shui)流經過(guo),而有(you)用地載(zai)流土(tu)顆粒,細(xi)沙(sha)、小石料(liao)等,以堅持水(shui)(shui)土(tu)工程的安穩。復合土(tu)工膜(復合防滲膜)分為一(yi)布(bu)一(yi)膜和兩(liang)布(bu)一(yi)膜,寬幅(fu)4-6m,重量為200;1500g/平方(fang)米(mi),抗拉、抗撕裂、頂破等物理(li)力(li)學性(xing)能指標高,產品(pin)具有(you)強(qiang)度高,延伸性(xing)能較好,變(bian)形模量大,耐酸堿、抗腐蝕,耐老(lao)化,防滲性(xing)能好等特點。 將(jiang)hdpe復(fu)合土(tu)(tu)工(gong)(gong)(gong)(gong)膜的(de)(de)(de)周邊分別埋(mai)在基(ji)槽(cao)的(de)(de)(de)錨固槽(cao)和(he)(he)兩岸(an)岸(an)坡溝槽(cao)內的(de)(de)(de)混凝土(tu)(tu)中(zhong),為固定端,再在其兩面鋪設砂墊層與(yu)砂保(bao)護(hu)層,并在一定距離(li)的(de)(de)(de)水(shui)平與(yu)垂(chui)直(zhi)方向預留褶皺伸(shen)縮節;土(tu)(tu)工(gong)(gong)(gong)(gong)膜堆(dui)石壩(ba)(ba)具有(you)以下特點:土(tu)(tu)工(gong)(gong)(gong)(gong)膜防滲性能高(gao),作為工(gong)(gong)(gong)(gong)業化產品,質量保(bao)證(zheng)率高(gao),結(jie)構(gou)設計簡(jian)單明(ming)了前(qian)堵后排;的(de)(de)(de)水(shui)工(gong)(gong)(gong)(gong)設計基(ji)本思想體(ti)現(xian)充分;施(shi)工(gong)(gong)(gong)(gong)程序流暢,施(shi)工(gong)(gong)(gong)(gong)速度快(kuai)、工(gong)(gong)(gong)(gong)期短、效率高(gao)圈;土(tu)(tu)工(gong)(gong)(gong)(gong)膜位于壩(ba)(ba)面,運行維護(hu)簡(jian)單方便;土(tu)(tu)工(gong)(gong)(gong)(gong)膜堆(dui)石壩(ba)(ba)不(bu)同部位應變差異(yi)極大,需精(jing)心設計;施(shi)工(gong)(gong)(gong)(gong)質量控(kong)制要求高(gao)。土(tu)(tu)工(gong)(gong)(gong)(gong)膜的(de)(de)(de)損壞和(he)(he)修補在在縫(feng)合聯絡處,土(tu)(tu)工(gong)(gong)(gong)(gong)膜須進行從頭縫(feng)合修補,并確保(bao)跳(tiao)針有(you)些的(de)(de)(de)結(jie)束已從頭縫(feng)合。 以上(shang)是關于hdpe復(fu)合(he)土(tu)工(gong)膜鋪設過程(cheng)中(zhong)避開風雨(yu)天氣(qi)的(de)基本知識(shi),希望能夠幫助客戶(hu)朋友更好(hao)的(de)了解hdpe復(fu)合(he)土(tu)工(gong)膜的(de)使(shi)用,保障工(gong)程(cheng)建設質量提供支持幫助,更多關于hdpe復(fu)合(he)土(tu)工(gong)膜的(de)知識(shi)詳情了解,您可多多關注我(wo)公司網站更新。
