作(Zuo)者(Zhe):(?)德(De)旭(Xu)达(Da)土(Tu)工(Gong)材(Cai)料(Liao) 来(Lai)源(Yuan):(?)山(Shan)东(Dong)德(De)旭(Xu)达(Da) 时(Shi)间(Jian):(?)2023/2/11 10:02:13 点(Dian)击(Ji):(?)次(Ci)
复(Fu)合(He)土(Tu)工(Gong)膜(Mo)在(Zai)我(Wo)们(Men)现(Xian)代(Dai)工(Gong)程(Cheng)应(Ying)用(Yong)中(Zhong)使(Shi)用(Yong)的(De)很(Hen)广(Guang)泛(Fan),(?)它(Ta)的(De)主(Zhu)要(Yao)功(Gong)能(Neng)作(Zuo)用(Yong)就(Jiu)是(Shi)防(Fang)渗(Shen)((?)水(Shui))(?)和(He)隔(Ge)离(Li)((?)阻(Zu)断(Duan))(?),(?)其(Qi)中(Zhong)不(Bu)乏(Fa)使(Shi)用(Yong)在(Zai)大(Da)型(Xing)工(Gong)程(Cheng)上(Shang),(?)例(Li)如(Ru)垃(La)圾(Ji)填(Tian)埋(Mai)场(Chang),(?)公(Gong)路(Lu)地(Di)基(Ji),(?)养(Yang)殖(Zhi)场(Chang),(?)蓄(Xu)水(Shui)池(Chi)等(Deng)等(Deng),(?)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)的(De)指(Zhi)标(Biao)还(Huan)有(You)标(Biao)准(Zhun)也(Ye)是(Shi)受(Shou)到(Dao)了(Liao)大(Da)众(Zhong)不(Bu)少(Shao)的(De)关(Guan)注(Zhu)。(?)其(Qi)中(Zhong)有(You)哪(Na)些(Xie)物(Wu)理(Li)指(Zhi)数(Shu)呢(Ne)。(?)
单(Dan)位(Wei)面(Mian)积(Ji)质(Zhi)量(Liang):(?)单(Dan)位(Wei)面(Mian)积(Ji)质(Zhi)量(Liang),(?)系(Xi)1平(Ping)方(Fang)米(Mi)土(Tu)工(Gong)织(Zhi)物(Wu)的(De)质(Zhi)量(Liang),(?)称(Cheng)为(Wei)土(Tu)工(Gong)织(Zhi)物(Wu)的(De)基(Ji)本(Ben)质(Zhi)量(Liang),(?)单(Dan)位(Wei)为(Wei)g/m2。(?)它(Ta)是(Shi)土(Tu)工(Gong)织(Zhi)物(Wu)的(De)一(Yi)个(Ge)重(Zhong)要(Yao)目(Mu)标(Biao)。(?)关(Guan)于(Yu)任(Ren)何(He)一(Yi)种(Zhong)系(Xi)列(Lie)产(Chan)品(Pin)来(Lai)说(Shuo),(?)土(Tu)工(Gong)织(Zhi)物(Wu)的(De)单(Dan)价(Jia)与(Yu)单(Dan)位(Wei)面(Mian)积(Ji)质(Zhi)量(Liang)大(Da)致(Zhi)成(Cheng)正(Zheng)比(Bi),(?)其(Qi)力(Li)学(Xue)强(Qiang)度(Du)随(Sui)质(Zhi)量(Liang)增(Zeng)大(Da)而(?)进(Jin)步(Bu)。(?)因(Yin)而(?),(?)在(Zai)选(Xuan)用(Yong)产(Chan)品(Pin)时(Shi)单(Dan)位(Wei)面(Mian)积(Ji)质(Zhi)量(Liang)是(Shi)有(You)必(Bi)要(Yao)考(Kao)虑(Lu)的(De)技(Ji)能(Neng)和(He)经(Jing)济(Ji)目(Mu)标(Biao)。(?)
厚(Hou)度(Du):(?)指(Zhi)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)在(Zai)2kPa法(Fa)向(Xiang)压(Ya)力(Li)下(Xia),(?)其(Qi)顶(Ding)面(Mian)与(Yu)底(Di)面(Mian)之(Zhi)间(Jian)的(De)距(Ju)离(Li),(?)单(Dan)位(Wei)为(Wei)mm。(?)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)厚(Hou)度(Du)随(Sui)所(Suo)作(Zuo)用(Yong)的(De)法(Fa)向(Xiang)压(Ya)力(Li)而(?)变(Bian),(?)规(Gui)定(Ding)2kPa压(Ya)力(Li)表(Biao)示(Shi)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)在(Zai)自(Zi)然(Ran)状(Zhuang)态(Tai)无(Wu)压(Ya)条(Tiao)件(Jian)下(Xia)的(De)厚(Hou)度(Du)。(?)不(Bu)同(Tong)类(Lei)型(Xing)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)的(De)压(Ya)缩(Suo)量(Liang)差(Cha)别(Bie)很(Hen)大(Da),(?)其(Qi)中(Zhong)针(Zhen)刺(Ci)非(Fei)织(Zhi)造(Zao)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)的(De)压(Ya)缩(Suo)量(Liang)大(Da)。(?)因(Yin)此(Ci),(?)当(Dang)考(Kao)虑(Lu)非(Fei)织(Zhi)造(Zao)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)水(Shui)力(Li)特(Te)性(Xing)时(Shi),(?)注(Zhu)意(Yi)到(Dao)上(Shang)覆(Fu)压(Ya)力(Li)变(Bian)化(Hua)使(Shi)水(Shui)力(Li)特(Te)性(Xing)变(Bian)化(Hua)的(De)特(Te)点(Dian)。(?)
孔(Kong)隙(Xi)率(Lu):(?)定(Ding)义(Yi)为(Wei)非(Fei)织(Zhi)造(Zao)土(Tu)工(Gong)织(Zhi)物(Wu)所(Suo)含(Han)孔(Kong)隙(Xi)体(Ti)积(Ji)与(Yu)总(Zong)体(Ti)积(Ji)之(Zhi)比(Bi),(?)以(Yi)百(Bai)分(Fen)数(Shu)(%)表(Biao)示(Shi)。(?)该(Gai)指(Zhi)标(Biao)不(Bu)直(Zhi)接(Jie)测(Ce)定(Ding),(?)由(You)单(Dan)位(Wei)面(Mian)积(Ji)质(Zhi)量(Liang)、(?)密(Mi)度(Du)和(He)厚(Hou)度(Du)计(Ji)算(Suan)得(De)到(Dao)。(?)
复(Fu)合(He)土(Tu)工(Gong)膜(Mo)铺(Pu)设(She)施(Shi)工(Gong)简(Jian)便(Bian),(?)减(Jian)少(Shao)运(Yun)输(Shu)量(Liang),(?)降(Jiang)低(Di)工(Gong)程(Cheng)造(Zao)价(Jia),(?)缩(Suo)短(Duan)了(Liao)工(Gong)期(Qi)。(?)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)用(Yong)土(Tu)工(Gong)织(Zhi)物(Wu)代(Dai)替(Ti)颗(Ke)粒(Li)材(Cai)料(Liao)作(Zuo)为(Wei)土(Tu)工(Gong)膜(Mo)保(Bao)护(Hu)层(Ceng),(?)以(Yi)保(Bao)护(Hu)土(Tu)工(Gong)膜(Mo)防(Fang)渗(Shen)层(Ceng)不(Bu)受(Shou)损(Sun)坏(Huai),(?)降(Jiang)低(Di)垫(Dian)层(Ceng)粒(Li)径(Jing)的(De)级(Ji)配(Pei)要(Yao)求(Qiu),(?)并(Bing)能(Neng)起(Qi)排(Pai)水(Shui)等(Deng)作(Zuo)用(Yong)。(?)
复(Fu)合(He)土(Tu)工(Gong)膜(Mo)有(You)变(Bian)形(Xing)量(Liang),(?)对(Dui)底(Di)垫(Dian)层(Ceng)的(De)凹(Ao)凸(Tu)缺(Que)陷(Xian)产(Chan)生(Sheng)的(De)应(Ying)力(Li)传(Chuan)递(Di)分(Fen)散(San)较(Jiao)快(Kuai),(?)应(Ying)变(Bian)能(Neng)力(Li)较(Jiao)强(Qiang)。(?)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)与(Yu)土(Tu)体(Ti)接(Jie)触(Chu)面(Mian)上(Shang)的(De)孔(Kong)隙(Xi)压(Ya)力(Li)及(Ji)浮(Fu)托(Tuo)力(Li)易(Yi)于(Yu)消(Xiao)散(San)。(?)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)的(De)保(Bao)温(Wen)作(Zuo)用(Yong),(?)减(Jian)少(Shao)了(Liao)土(Tu)体(Ti)冻(Dong)胀(Zhang)对(Dui)土(Tu)工(Gong)膜(Mo),(?)HDPE土(Tu)工(Gong)膜(Mo)的(De)破(Po)坏(Huai),(?)从(Cong)而(?)减(Jian)少(Shao)土(Tu)体(Ti)变(Bian)形(Xing)。(?)复(Fu)合(He)土(Tu)工(Gong)膜(Mo)采(Cai)用(Yong)埋(Mai)入(Ru)式(Shi)铺(Pu)设(She),(?)有(You)优(You)异(Yi)的(De)性(Xing)能(Neng),(?)减(Jian)少(Shao)了(Liao)工(Gong)程(Cheng)的(De)维(Wei)护(Hu),(?)保(Bao)养(Yang)。(?)
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