高(Gao)密(Mi)度(Du)聚(Ju)乙(Yi)烯(Xi)土(Tu)工(Gong)膜(Mo)与(Yu)土(Tu)之(Zhi)间(Jian)的(De)抗(Kang)剪(Jian)强(Qiang)度(Du)较(Jiao)低(Di)是(Shi)填(Tian)埋(Mai)场(Chang)沿(Yan)底(Di)部(Bu)衬(Chen)垫(Dian)失(Shi)稳(Wen)的(De)一(Yi)个(Ge)重(Zhong)要(Yao)的(De)原(Yuan)因(Yin)。(?)虽(Sui)然(Ran)糙(Cao)面(Mian)土(Tu)工(Gong)膜(Mo)与(Yu)黏(Nian)土(Tu)之(Zhi)间(Jian)的(De)冲(Chong)突(Tu)系(Xi)数(Shu)较(Jiao)大(Da),(?)但(Dan)跟(Gen)着(Zhuo)应(Ying)力(Li)堆(Dui)集(Ji),(?)糙(Cao)面(Mian)土(Tu)工(Gong)膜(Mo)很(Hen)简(Jian)单(Dan)被(Bei)拉(La)裂(Lie),(?)或(Huo)许(Xu)因(Yin)为(Wei)外(Wai)表(Biao)的(De)颗(Ke)粒(Li)被(Bei)磨(Mo)掉(Diao)而(?)使(Shi)界(Jie)面(Mian)冲(Chong)突(Tu)功(Gong)能(Neng)下(Xia)降(Jiang)。(?)
在(Zai)传(Chuan)统(Tong)土(Tu)工(Gong)膜(Mo)的(De)根(Gen)底(Di)上(Shang),(?)提(Ti)出(Chu)了(Liao)一(Yi)种(Zhong)非(Fei)满(Man)布(Bu)单(Dan)层(Ceng)加(Jia)肋(Lei)土(Tu)工(Gong)膜(Mo),(?)并(Bing)进(Jin)行(Xing)很(Hen)多(Duo)的(De)界(Jie)面(Mian)直(Zhi)剪(Jian)实(Shi)验(Yan),(?)研(Yan)讨(Tao)在(Zai)不(Bu)同(Tong)正(Zheng)应(Ying)力(Li)和(He)加(Jia)肋(Lei)距(Ju)离(Li)下(Xia)土(Tu)工(Gong)膜(Mo)与(Yu)砂(Sha)土(Tu)之(Zhi)间(Jian)的(De)界(Jie)面(Mian)特(Te)性(Xing)、(?)强(Qiang)度(Du)特(Te)性(Xing)。(?)实(Shi)验(Yan)结(Jie)果(Guo)标(Biao)明(Ming),(?)条(Tiao)状(Zhuang)土(Tu)工(Gong)膜(Mo)进(Jin)步(Bu)的(De)是(Shi)黏(Nian)聚(Ju)力(Li),(?)其(Qi)内(Nei)冲(Chong)突(Tu)角(Jiao)有(You)所(Suo)下(Xia)降(Jiang),(?)而(?)块(Kuai)状(Zhuang)土(Tu)工(Gong)膜(Mo)黏(Nian)聚(Ju)力(Li)和(He)内(Nei)冲(Chong)突(Tu)角(Jiao)都(Du)有(You)很(Hen)大(Da)程(Cheng)度(Du)的(De)进(Jin)步(Bu)。(?)
随(Sui)着(Zhuo)加(Jia)肋(Lei)距(Ju)离(Li)的(De)减(Jian)小(Xiao),(?)黏(Nian)聚(Ju)力(Li)逐(Zhu)步(Bu)的(De)增(Zeng)大(Da),(?)而(?)内(Nei)冲(Chong)突(Tu)角(Jiao)超(Chao)越(Yue)必(Bi)定(Ding)值(Zhi)后(Hou),(?)又(You)跟(Gen)着(Zhuo)加(Jia)肋(Lei)距(Ju)离(Li)的(De)添(Tian)加(Jia)逐(Zhu)步(Bu)减(Jian)小(Xiao),(?)这(Zhe)说(Shuo)明(Ming)加(Jia)肋(Lei)距(Ju)离(Li)存(Cun)在(Zai)一(Yi)个(Ge)最(Zui)优(You)值(Zhi)。(?)加(Jia)肋(Lei)土(Tu)工(Gong)膜(Mo)比(Bi)较(Jiao)于(Yu)光(Guang)面(Mian)土(Tu)工(Gong)膜(Mo)、(?)糙(Cao)面(Mian)土(Tu)工(Gong)膜(Mo),(?)在(Zai)进(Jin)步(Bu)界(Jie)面(Mian)抗(Kang)剪(Jian)强(Qiang)度(Du)的(De)一(Yi)起(Qi),(?)仍(Reng)旧(Jiu)坚(Jian)持(Chi)其(Qi)较(Jiao)好(Hao)抗(Kang)拉(La)裂(Lie)功(Gong)能(Neng),(?)是(Shi)一(Yi)种(Zhong)较(Jiao)好(Hao)的(De)新(Xin)式(Shi)土(Tu)工(Gong)组(Zu)成(Cheng)资(Zi)料(Liao)。(?)
聚(Ju)乙(Yi)烯(Xi)((?)PE)(?)土(Tu)工(Gong)膜(Mo)是(Shi)以(Yi)PE为(Wei)根(Gen)底(Di)质(Zhi)料(Liao)出(Chu)产(Chan)的(De)防(Fang)水(Shui)阻(Zu)隔(Ge)性(Xing)资(Zi)料(Liao),(?)具(Ju)有(You)极(Ji)低(Di)的(De)渗(Shen)透(Tou)性(Xing),(?)是(Shi)抱(Bao)负(Fu)的(De)防(Fang)渗(Shen)资(Zi)料(Liao)。(?)PE土(Tu)工(Gong)膜(Mo)与(Yu)传(Chuan)统(Tong)的(De)防(Fang)水(Shui)资(Zi)料(Liao)比(Bi)较(Jiao),(?)具(Ju)有(You)渗(Shen)透(Tou)系(Xi)数(Shu)低(Di)、(?)柔(Rou)性(Xing)好(Hao)、(?)变(Bian)形(Xing)适(Shi)用(Yong)性(Xing)强(Qiang)、(?)强(Qiang)度(Du)高(Gao)、(?)全(Quan)体(Ti)衔(Xian)接(Jie)性(Xing)好(Hao)、(?)施(Shi)工(Gong)便(Bian)利(Li)等(Deng)长(Chang)处(Chu)。(?)
PE土(Tu)工(Gong)膜(Mo)按(An)产(Chan)品(Pin)外(Wai)形(Xing)可(Ke)分(Fen)为(Wei)润(Run)滑(Hua)面(Mian)土(Tu)工(Gong)膜(Mo)和(He)糙(Cao)面(Mian)土(Tu)工(Gong)膜(Mo)。(?)润(Run)滑(Hua)面(Mian)土(Tu)工(Gong)膜(Mo)外(Wai)表(Biao)润(Run)滑(Hua),(?)冲(Chong)突(Tu)系(Xi)数(Shu)低(Di)。(?)糙(Cao)面(Mian)土(Tu)工(Gong)膜(Mo)外(Wai)表(Biao)由(You)凹(Ao)凸(Tu)状(Zhuang)结(Jie)构(Gou)组(Zu)成(Cheng),(?)冲(Chong)突(Tu)系(Xi)数(Shu)高(Gao)。(?)与(Yu)润(Run)滑(Hua)面(Mian)土(Tu)工(Gong)膜(Mo)比(Bi)较(Jiao),(?)糙(Cao)面(Mian)土(Tu)工(Gong)膜(Mo)不(Bu)仅(Jin)能(Neng)使(Shi)用(Yong)于(Yu)房(Fang)顶(Ding)防(Fang)漏(Lou)、(?)园(Yuan)林(Lin)绿(Lu)化(Hua)、(?)农(Nong)田(Tian)水(Shui)渠(Qu)的(De)防(Fang)渗(Shen)和(He)水(Shui)土(Tu)坚(Jian)持(Chi)、(?)滩(Tan)涂(Tu)围(Wei)垦(Ken)造(Zao)田(Tian)、(?)环(Huan)境(Jing)工(Gong)程(Cheng)中(Zhong)废(Fei)物(Wu)填(Tian)埋(Mai)、(?)三(San)废(Fei)处(Chu)理(Li)和(He)环(Huan)境(Jing)整(Zheng)治(Zhi)、(?)避(Bi)免(Mian)沙(Sha)漠(Mo)化(Hua)等(Deng)工(Gong)程(Cheng),(?)还(Huan)能(Neng)使(Shi)用(Yong)于(Yu)陡(Dou)坡(Po)或(Huo)边(Bian)坡(Po)膜(Mo)体(Ti)外(Wai)表(Biao)需(Xu)求(Qiu)覆(Fu)土(Tu)等(Deng)要(Yao)求(Qiu)有(You)较(Jiao)大(Da)冲(Chong)突(Tu)系(Xi)数(Shu)的(De)工(Gong)程(Cheng)项(Xiang)目(Mu)中(Zhong),(?)是(Shi)山(Shan)区(Qu)施(Shi)工(Gong)、(?)陡(Dou)坡(Po)施(Shi)工(Gong)等(Deng)工(Gong)程(Cheng)项(Xiang)目(Mu)的(De)首(Shou)选(Xuan)资(Zi)料(Liao)。(?)因(Yin)而(?),(?)水(Shui)利(Li)、(?)水(Shui)电(Dian)、(?)交(Jiao)通(Tong)、(?)环(Huan)保(Bao)、(?)修(Xiu)建(Jian)等(Deng)各(Ge)个(Ge)领(Ling)域(Yu)都(Du)为(Wei)糙(Cao)面(Mian)土(Tu)工(Gong)膜(Mo)的(De)使(Shi)用(Yong)开(Kai)展(Zhan)供(Gong)给(Gei)了(Liao)宽(Kuan)广(Guang)的(De)远(Yuan)景(Jing)。(?)