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人工湖土工膜在水庫堤壩防滲加固中表現如何?

瀏覽次數:信息來源:泰安(an)佳路通(tong)工(gong)程材(cai)料(liao)有限(xian)公司(si)發布時(shi)間:2023/6/9
  土工材料產品市場逐漸豐富壯大起來,土工膜更是比較常見的土工材料產品之一,不同工程下土工膜的名稱也有所不同,人工湖土工膜就是用于人工湖建設比較常見的產品材料,人工湖土工膜在水庫堤壩防滲加固中也有比較明顯的效果,小編為您進行了如下概述。
  人工湖土工膜(mo)是水庫大壩工程施工過程中(zhong)的一種(zhong)新(xin)型防滲建筑材料,其具有(you)質量輕、性(xing)價比高、施工便捷、抗(kang)老(lao)化性(xing)強、耐久性(xing)好等特點。所以人工湖土工膜(mo)近二十年來在水利工程中(zhong)得到很多應用(yong),并(bing)取得較好的防滲加固效(xiao)果和社會(hui)經(jing)濟效(xiao)益。
  大壩滲漏是水(shui)庫(ku)工程(cheng)設計、施(shi)工、以后期運行(xing)維護管理中非(fei)常重(zhong)要的問題。因此,采取應用(yong)成熟、防滲效果(guo)越的技(ji)術措施(shi)對大壩進行(xing)防滲加固(gu),對水(shui)庫(ku)大壩的**運行(xing),顯(xian)得(de)非(fei)常有實踐應用(yong)意義和研究意義。
  人(ren)工(gong)湖土(tu)工(gong)膜(mo)規(gui)格的(de)選擇與下墊(dian)層(ceng)平整度(du)(du)、材料允許(xu)拉(la)應力、材料彈(dan)性模量、鋪設范圍內的(de)水頭覆(fu)蓋層(ceng)粒(li)徑等(deng)有關,其厚度(du)(du)設計(ji)除考慮主要(yao)由水壓力要(yao)求(qiu)的(de)強度(du)(du)外,還需考慮暴(bao)露(lu)、埋壓、氣候(hou)、使用(yong)(yong)壽命等(deng)應用(yong)(yong)條件,并按(an)現行有關標準(zhun)的(de)規(gui)定確定設計(ji)厚度(du)(du)和(he)施工(gong)實(shi)際(ji)厚度(du)(du)(一(yi)般選用(yong)(yong)人(ren)工(gong)湖土(tu)工(gong)膜(mo)的(de)規(gui)格為(wei)600g/㎡-1200g/㎡兩(liang)布一(yi)膜(mo))
  人工(gong)湖土工(gong)膜的施工(gong)方法:
  1、堤坡(po)的(de)清(qing)理、平整場地,清(qing)除(chu)一切尖角雜物,欠坡(po)回填夯(hang)實(shi)、富坡(po)削坡(po)挖平后經(jing)監理驗收合格,為(wei)人(ren)工湖土(tu)工膜鋪(pu)設(she)提供工作面;
  2、土(tu)工(gong)(gong)(gong)膜(mo)場(chang)內拼(pin)接為了施工(gong)(gong)(gong)方便,拼(pin)接質量,人(ren)工(gong)(gong)(gong)湖土(tu)工(gong)(gong)(gong)膜(mo)應盡量采(cai)用 寬幅,減少現場(chang)拼(pin)接量,施工(gong)(gong)(gong)前(qian)應根據人(ren)工(gong)(gong)(gong)湖土(tu)工(gong)(gong)(gong)膜(mo)幅寬、現場(chang)長度(du)需(xu)要(yao),在單位 內剪裁(cai),并拼(pin)接成合符要(yao)求尺寸的塊體,卷(juan)在鋼管上,人(ren)工(gong)(gong)(gong)搬運到工(gong)(gong)(gong)作面(mian)鋪設;
  3、沿(yan)渠道軸線方(fang) 向水平(ping)滾鋪。坡(po)面鋪設在坡(po)面驗(yan)收(shou)合(he)格后(hou),從順坡(po)面軸線方(fang)向滾鋪,與渠底的人工湖土工膜連接(jie)采用丁字形連接(jie);
  4、鋪設應(ying)(ying)在干(gan)燥和暖天氣進行,為了便于(yu)拼(pin)接,防(fang)止應(ying)(ying)力集中(zhong),人工(gong)(gong)(gong)(gong)湖(hu)土工(gong)(gong)(gong)(gong)膜鋪設采用波浪形松馳方式,富余度約(yue)為 1.5%,攤(tan)開后時(shi)拉平(ping),拉開,要求人工(gong)(gong)(gong)(gong)湖(hu)土工(gong)(gong)(gong)(gong)膜膜與坡面(mian)吻合平(ping)整(zheng),無突(tu)起褶皺(zhou),施(shi)工(gong)(gong)(gong)(gong)人員應(ying)(ying)穿平(ping)底布鞋或軟膠鞋,嚴禁穿釘鞋,以免踩壞土工(gong)(gong)(gong)(gong)膜,施(shi)工(gong)(gong)(gong)(gong)時(shi)如發(fa)現(xian)土工(gong)(gong)(gong)(gong)膜損壞,應(ying)(ying)時(shi)修補。

  以上就是(shi)人工(gong)湖土(tu)工(gong)膜在(zai)水庫堤壩(ba)加(jia)固中的詳情小知(zhi)識,希望(wang)能夠(gou)以上知(zhi)識的存在(zai)能夠(gou)更好的保(bao)障客戶(hu)朋友(you)了解人工(gong)湖土(tu)工(gong)膜,確(que)保(bao)工(gong)程建設質量,更多土(tu)工(gong)材(cai)料產品選購,知(zhi)識了解,您都(dou)可關注我公(gong)司網站動態(tai)。



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