复合土工膜
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复合土工膜,广泛应用于渠道防渗工程。近年来,土工合成材料在土木工程,尤其是在防洪抢险工程中的大量应用及其成效,引起了广大工程技术人员的高度重视。对于土工合成材料的
复(fu)(fu)合土(tu)工(gong)(gong)(gong)膜(mo),广泛(fan)应用(yong)于(yu)渠道(dao)防(fang)(fang)(fang)(fang)渗(shen)工(gong)(gong)(gong)程。近年来,土(tu)工(gong)(gong)(gong)合成(cheng)(cheng)材料在土(tu)木工(gong)(gong)(gong)程,尤其是在防(fang)(fang)(fang)(fang)洪抢险工(gong)(gong)(gong)程中的大(da)(da)量应用(yong)及其成(cheng)(cheng)效,引(yin)起(qi)了(le)广大(da)(da)工(gong)(gong)(gong)程技术人员的高度重视。对于(yu)土(tu)工(gong)(gong)(gong)合成(cheng)(cheng)材料的应用(yong)技术,国家从防(fang)(fang)(fang)(fang)渗(shen)、反(fan)滤、排(pai)水、加(jia)筋、防(fang)(fang)(fang)(fang)护等(deng)方面(mian),提出了(le)规(gui)范性技术要求,大(da)(da)大(da)(da)加(jia)快了(le)新材料的推广应用(yong)步伐。复(fu)(fu)合土(tu)工(gong)(gong)(gong)膜(mo)(复(fu)(fu)合防(fang)(fang)(fang)(fang)渗(shen)膜(mo))分为一(yi)(yi)布一(yi)(yi)膜(mo)和两(liang)布一(yi)(yi)膜(mo),宽幅(fu)4-6m,根据规(gui)格(ge)不同重量不等(deng),一(yi)(yi)般为200—1500g/平方米,抗拉、顶破等(deng)物理(li)力学性能(neng)指标高,产品具有强度高,延伸性能(neng)较好(hao)(hao),变形模量大(da)(da),耐酸碱(jian)、抗腐蚀,耐老化,防(fang)(fang)(fang)(fang)渗(shen)性能(neng)好(hao)(hao)等(deng)特(te)点。能(neng)满足水利(li)、市政、建筑、交通,地铁(tie)、隧道(dao)、工(gong)(gong)(gong)程建设中的防(fang)(fang)(fang)(fang)渗(shen)、补强、防(fang)(fang)(fang)(fang)裂(lie)加(jia)固等(deng)土(tu)木工(gong)(gong)(gong)程需要。常用(yong)于(yu)堤坝、排(pai)水沟渠的防(fang)(fang)(fang)(fang)渗(shen)处理(li),以及废料场的防(fang)(fang)(fang)(fang)污处理(li)。复(fu)(fu)合土(tu)工(gong)(gong)(gong)膜(mo)是在薄膜(mo)的一(yi)(yi)侧(ce)或(huo)两(liang)侧(ce)经过烘箱远红外加(jia)热(re),把土(tu)工(gong)(gong)(gong)布和土(tu)工(gong)(gong)(gong)膜(mo)经导辊压(ya)到一(yi)(yi)起(qi)形成(cheng)(cheng)复(fu)(fu)合土(tu)工(gong)(gong)(gong)膜(mo)。








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