三維複合防排水板(又名複合防水板、複合排水板、三維土工排水板、三維複合防排水板、隧道排放水板)shijipaishuihefangshuigongnengyuyitidexinxingfangpaishuicailiao,juyougaokongxilvhegaonaiyaqiangdu。sanweitugongwangxin,yimianfuhelvshuitugongbu,lingyimianfuheliangbuyimoercheng,juyou“反濾――排水――透氣-隔水-保護”的功能。
三維土工排水網(Tri-planer Geonet) sanweitugongpaishuiwangyigaomidujuyixiweiyuancailiao,tongguoteshudejitoujichuleitiao,sangenleitiaoanyidingjianjuhejiaodupailiexingchengyoupaishuidaocaodesanweikongjianjiegou。zhongjianleitiaojuyoujiaodadegangxing,xingchengjuxingdepaishuitongdao。zuchengpaishuiwangdesancengleitiaojuyoujiaogaodezonghengxiangkanglaqiangduhekangyaqiangdu,sancengleitiaojianxingchengdepaishuidaocaozaijiaogaohezaixiabuyibianxing,nenggoufangzhitugongzhiwuqianrutugongwangxin,quebaopaishuichangtong。sanweitugongpaishuiwanggenjuyongtuyougaoqiangduhegaodaopaixing。
一、土工複合排水網結構和性能 雙肋土工排水網(Bi-planer Geonet) 雙(shuang)肋(lei)排(pai)水(shui)土(tu)工(gong)網(wang)是(shi)以(yi)高(gao)密(mi)度(du)聚(ju)乙(yi)烯(xi)為(wei)原(yuan)材(cai)料(liao),添(tian)加(jia)炭(tan)黑(hei)作(zuo)為(wei)抗(kang)紫(zi)外(wai)老(lao)化(hua)劑(ji),經(jing)過(guo)特(te)製(zhi)的(de)機(ji)頭(tou)擠(ji)出(chu)製(zhi)成(cheng)的(de)整(zheng)體(ti)網(wang)狀(zhuang)結(jie)構(gou)。兩(liang)根(gen)交(jiao)錯(cuo)相(xiang)交(jiao)的(de)肋(lei)條(tiao)形(xing)成(cheng)排(pai)水(shui)通(tong)道(dao),具(ju)有(you)很(hen)高(gao)的(de)縱(zong)向(xiang)和(he)橫(heng)向(xiang)排(pai)水(shui)能(neng)力(li)。雙(shuang)肋(lei)土(tu)工(gong)排(pai)水(shui)網(wang)還(hai)具(ju)有(you)較(jiao)高(gao)的(de)縱(zong)橫(heng)向(xiang)抗(kang)拉(la)強(qiang)度(du),能(neng)承(cheng)受(shou)較(jiao)高(gao)的(de)拉(la)應(ying)力(li)和(he)壓(ya)應(ying)力(li)。
二、用於垃圾填埋場的土工複合排水網 在垃圾填埋場中,土工複合排水網可用於: 1、地下水導排層 2、滲漏檢測層 3、滲濾液收集導排層 4、封場氣體收集導排層 5、封場地表水收集導排 三、垃圾填埋場滲濾液導排層和滲漏檢測層 yaofangzhidianchenxitongshenloubingbaozhenglajitianmaichangdeanquan,shenlvyedaopaixitongbixujuyoukekaodepaishuixingneng,paichuchendianxitongshoujideshenlvye,baozhengchendianshenlvyebaoheshuitouxiaoyupaishuicenghoudu。chuantongdeshalishidengtianranpaishuicailiaoyongyulajitianmaichangdeshenlvyeshoujidaopai,huizhanyonghendadetianmaikongjian。duiyuxieposhenlvyedaopai,shiyongshalishijianghennanduifang。shiyongtugongfuhepaishuiwang,jibenshangbushoubianpopodudexianzhi。lishizuoweishenlvyeshoujidaopaiceng,huiduifangshentugongmozaochengpohuai。jutongjixianshi,tugongmoshanglishidepufangshizaochengtugongmopohuaidezuidayuanyin,zhanzongpohuaide70%以上。 三(san)維(wei)土(tu)工(gong)複(fu)合(he)排(pai)水(shui)網(wang)具(ju)有(you)三(san)維(wei)空(kong)間(jian)立(li)體(ti)導(dao)排(pai)結(jie)構(gou),使(shi)用(yong)高(gao)滲(shen)透(tou)性(xing)能(neng)的(de)土(tu)工(gong)布(bu)複(fu)合(he),在(zai)極(ji)高(gao)的(de)荷(he)載(zai)下(xia)能(neng)夠(gou)保(bao)持(chi)長(chang)期(qi)的(de)導(dao)排(pai)性(xing)能(neng),用(yong)於(yu)主(zhu)滲(shen)濾(lv)液(ye)收(shou)集(ji)導(dao)排(pai)層(ceng)(LCRS),能夠及時排出防滲膜的滲濾液,使得水頭小於土工排水材料的厚度,減少由於水頭過大造成的土工膜滲漏。 四、填埋場封場氣體導排層和地表水導排層 lajitianmaichangzuizhongfugaifengchangxitongdemudeshixianzhijiangshuishenrutianmailajilimian,jinliangjianshaokenengqinrushuiyuandeshenlvyedechanchu。zaifengchangxitongzhong,dibiaoshuidaopaicengdegongnengshipaichushenrufugaitucengdeshuifen,bimianzaifangshencengshangjiju。jishuihuizaifengchangfangshencengshangchanshengchaokongxishuiyingli,youkenengdaozhizhibeifugaitucengchanshenghuadong,fengchangbianpopohuai。chuantongshangshiyongshalishizuoweifengchangdibiaoshuidaopaiceng,duiyupodujiaodadexiepo,shalishidiancengdeduifanghenkunnan,ershiyongtugongfuhepaishuiwang,keyishiyongyugengdoudefengchangbianpo,hainenggouzengjialajidetianmairongji。sanweitugongfuhepaishuiwangjuyoujiaogaodedaopaixingneng,nenggoujishipaichudibiaoshenshui,baozhengfengchangxiepodewending。fengchangqitidaopaicenglajitianmaichangfengchangxitongdeqitidaopaicengdepaiqinenglibuzuhuozhemeiyoushezhipingmianqitidaopaiceng,shijiayufangshencengdeqitiyaqiangguoda,youkenengdaozhifengchangxitongchanshengpohuai。fengchangxitongqitidaopaicengkeyishiyonggaodaopaixingnengdetugongfuhepaishuiwang。shiyonggaodaopaisanweitugongfuhepaishuiwang,huozhetugongfuhepaishuiwangpeiheshalishizuchengtianmaichangfengchangxitongdeqitidaopaiceng。tianmaichangfengchangxitongzhongshiyongtugongfuhepaishuiwangzuoweidibiaoshuidaopaicengheqitidaopaiceng,keyishiyongyujiaodoudexiepo,qijiaogaodedaopaixingnengnenggoujishipaichushenshuiheqiti,baozhengbianpodewending。 五、垃圾填埋場或蓄水池地下水導排 lajitianmaichangtianmaiquyuhuoxushuikudedixiashuiweijiaogao,dixiashuiyalikenenghuipohuaifangshenchendian。yaoqiuyoudixiashuidaopaiceng,paichushangshengdedixiashui,shidefangshenchendianbubeipohuai。 填(tian)埋(mai)場(chang)斜(xie)坡(po)或(huo)蓄(xu)水(shui)庫(ku)壩(ba)體(ti)也(ye)可(ke)能(neng)因(yin)為(wei)水(shui)壓(ya)力(li)太(tai)大(da),有(you)可(ke)能(neng)導(dao)致(zhi)斜(xie)坡(po)或(huo)壩(ba)體(ti)以(yi)及(ji)斜(xie)坡(po)的(de)防(fang)滲(shen)層(ceng)產(chan)生(sheng)破(po)壞(huai)。使(shi)用(yong)土(tu)工(gong)土(tu)工(gong)複(fu)合(he)排(pai)水(shui)網(wang)作(zuo)為(wei)地(di)下(xia)水(shui)導(dao)排(pai)層(ceng),可(ke)以(yi)在(zai)很(hen)短(duan)的(de)時(shi)間(jian)排(pai)出(chu)上(shang)升(sheng)的(de)地(di)下(xia)水(shui),防(fang)止(zhi)過(guo)高(gao)的(de)地(di)下(xia)水(shui)壓(ya)力(li)破(po)壞(huai)防(fang)滲(shen)襯(chen)墊(dian)。土(tu)工(gong)複(fu)合(he)排(pai)水(shui)網(wang)具(ju)有(you)較(jiao)高(gao)的(de)抗(kang)拉(la)強(qiang)度(du),有(you)加(jia)固(gu)地(di)基(ji)的(de)作(zuo)用(yong)。土(tu)工(gong)複(fu)合(he)排(pai)水(shui)網(wang)用(yong)於(yu)斜(xie)坡(po)或(huo)壩(ba)體(ti)的(de)滲(shen)流(liu)導(dao)排(pai),能(neng)夠(gou)將(jiang)斜(xie)坡(po)的(de)山(shan)體(ti)滲(shen)流(liu)收(shou)集(ji)排(pai)放(fang),能(neng)夠(gou)有(you)效(xiao)消(xiao)除(chu)施(shi)加(jia)於(yu)防(fang)滲(shen)層(ceng)的(de)側(ce)向(xiang)壓(ya)力(li),減(jian)少(shao)或(huo)消(xiao)除(chu)由(you)於(yu)水(shui)壓(ya)力(li)可(ke)能(neng)造(zao)成(cheng)的(de)破(po)壞(huai)。 六、鐵路係統排水 鐵(tie)路(lu)路(lu)基(ji)可(ke)能(neng)會(hui)受(shou)到(dao)來(lai)自(zi)地(di)下(xia)和(he)地(di)表(biao)的(de)水(shui)破(po)壞(huai)。地(di)下(xia)水(shui)位(wei)過(guo)高(gao),上(shang)升(sheng)的(de)地(di)下(xia)水(shui)會(hui)侵(qin)蝕(shi)路(lu)基(ji),破(po)壞(huai)鐵(tie)路(lu)結(jie)構(gou),使(shi)得(de)路(lu)基(ji)的(de)承(cheng)載(zai)力(li)降(jiang)低(di)。來(lai)自(zi)於(yu)路(lu)表(biao)的(de)降(jiang)雨(yu)或(huo)雪(xue)水(shui)如(ru)果(guo)不(bu)能(neng)及(ji)時(shi)排(pai)出(chu),將(jiang)會(hui)汙(wu)染(ran)道(dao)碴(cha),產(chan)生(sheng)翻(fan)漿(jiang)冒(mao)泥(ni),導(dao)致(zhi)鐵(tie)軌(gui)變(bian)形(xing)等(deng)不(bu)良(liang)後(hou)果(guo)。 在(zai)路(lu)基(ji)基(ji)礎(chu)或(huo)者(zhe)道(dao)碴(cha)下(xia)設(she)置(zhi)複(fu)合(he)排(pai)水(shui)網(wang)排(pai)水(shui)層(ceng),排(pai)除(chu)上(shang)升(sheng)的(de)地(di)下(xia)水(shui)或(huo)者(zhe)路(lu)表(biao)滲(shen)水(shui)。土(tu)工(gong)複(fu)合(he)排(pai)水(shui)網(wang)具(ju)有(you)較(jiao)高(gao)的(de)強(qiang)度(du)和(he)剛(gang)度(du),能(neng)夠(gou)有(you)效(xiao)加(jia)固(gu)堤(di)基(ji)或(huo)道(dao)碴(cha),提(ti)高(gao)其(qi)承(cheng)載(zai)力(li)。用(yong)於(yu)鐵(tie)路(lu)係(xi)統(tong)排(pai)水(shui),能(neng)有(you)效(xiao)地(di)消(xiao)除(chu)凍(dong)脹(zhang)的(de)產(chan)生(sheng)土(tu)工(gong)複(fu)合(he)排(pai)水(shui)網(wang)配(pei)合(he)砂(sha)礫(li)石(shi)使(shi)用(yong),可(ke)以(yi)形(xing)成(cheng)有(you)效(xiao)的(de)鐵(tie)路(lu)排(pai)水(shui)係(xi)統(tong),快(kuai)速(su)導(dao)排(pai)鐵(tie)路(lu)地(di)下(xia)水(shui)或(huo)地(di)表(biao)滲(shen)水(shui)。 七、公路路基和路麵排水 進jin入ru路lu麵mian結jie構gou內nei的de自zi由you水shui是shi造zao成cheng或huo加jia速su路lu麵mian損sun壞huai的de重zhong要yao原yuan因yin。道dao路lu積ji水shui在zai高gao速su行xing車che輪lun胎tai下xia產chan生sheng的de動dong水shui壓ya力li直zhi接jie對dui內nei部bu混hun合he料liao造zao成cheng衝chong刷shua,動dong水shui壓ya力li隨sui車che速su的de增zeng加jia呈cheng幾ji何he級ji數shu增zeng長chang。路lu麵mian內nei部bu或huo附fu近jin的de自zi由you水shui會hui縮suo短duan道dao路lu的de使shi用yong壽shou命ming。如ru果guo自zi由you水shui滲shen過guo路lu麵mian浸jin入ru路lu基ji,無wu論lun路lu麵mian有you多duo厚hou,道dao路lu都dou會hui因yin失shi去qu支zhi承cheng麵mian而er四si分fen五wu裂lie。 設(she)置(zhi)路(lu)麵(mian)內(nei)部(bu)排(pai)水(shui)係(xi)統(tong),將(jiang)積(ji)滯(zhi)在(zai)路(lu)麵(mian)結(jie)構(gou)內(nei)的(de)水(shui)分(fen)迅(xun)速(su)排(pai)出(chu)到(dao)路(lu)麵(mian)和(he)路(lu)基(ji)結(jie)構(gou)外(wai),改(gai)善(shan)路(lu)麵(mian)的(de)使(shi)用(yong)性(xing)能(neng),提(ti)高(gao)其(qi)使(shi)用(yong)壽(shou)命(ming)。擁(yong)有(you)良(liang)好(hao)排(pai)水(shui)係(xi)統(tong)的(de)道(dao)路(lu)的(de)設(she)計(ji)壽(shou)命(ming)比(bi)沒(mei)有(you)排(pai)水(shui)的(de)道(dao)路(lu)要(yao)高(gao)出(chu)2~3倍。通過采用土工複合排水網可以較好地解決道路的排水問題。在道路係統中直接、連續鋪設土工複合排水網,不僅可以取得良好的排水效果,還能大大減小基層或底基層的厚度,提高承載力,消除不均勻沉降。 八、隧道和擋牆結構排水 隧(sui)道(dao)或(huo)者(zhe)擋(dang)牆(qiang)台(tai)背(bei)可(ke)能(neng)會(hui)由(you)於(yu)水(shui)壓(ya)力(li)過(guo)大(da)而(er)導(dao)致(zhi)結(jie)構(gou)破(po)壞(huai)。隧(sui)道(dao)襯(chen)墊(dian)排(pai)水(shui)性(xing)能(neng)不(bu)足(zu)或(huo)者(zhe)沒(mei)有(you)設(she)置(zhi)排(pai)水(shui)層(ceng),過(guo)高(gao)的(de)水(shui)壓(ya)力(li)會(hui)破(po)壞(huai)防(fang)滲(shen)層(ceng),最(zui)終(zhong)導(dao)致(zhi)滲(shen)漏(lou)。如(ru)果(guo)在(zai)防(fang)滲(shen)層(ceng)上(shang)設(she)置(zhi)一(yi)層(ceng)排(pai)水(shui)層(ceng),將(jiang)山(shan)體(ti)滲(shen)水(shui)先(xian)行(xing)收(shou)集(ji)排(pai)放(fang),消(xiao)除(chu)施(shi)加(jia)於(yu)防(fang)滲(shen)襯(chen)墊(dian)上(shang)的(de)水(shui)壓(ya),達(da)到(dao)防(fang)滲(shen)漏(lou)的(de)目(mu)的(de)。 擋土牆由於台背後的水分無法及時排出,過大的水壓力有可能破壞擋牆結構,導致擋牆坍塌。解決辦法是:在擋牆台背後設置平麵排水層,及時排出擋牆台背的水分。 shiyongshuangleihuosanweitugongfuhepaishuiwangzuoweisuidaohuozhedangqiangtaibeipingmianpaishuiceng,henbodecailiaojuyouhengaodedaopainengli,shigongbianjie,qiyouyuexingshichuantongdeshalishicailiaowufabinide。 擁有良好排水係統的道路的設計壽命比沒有排水的道路要高出2~3倍。通過采用土工複合排水網可以較好地解決道路的排水問題。在道路係統中直接、連(lian)續(xu)鋪(pu)設(she)土(tu)工(gong)複(fu)合(he)排(pai)水(shui)網(wang),不(bu)僅(jin)可(ke)以(yi)取(qu)得(de)良(liang)好(hao)的(de)排(pai)水(shui)效(xiao)果(guo),還(hai)能(neng)大(da)大(da)減(jian)小(xiao)基(ji)層(ceng)或(huo)底(di)基(ji)層(ceng)的(de)厚(hou)度(du),提(ti)高(gao)承(cheng)載(zai)力(li),消(xiao)除(chu)不(bu)均(jun)勻(yun)沉(chen)降(jiang)石(shi)材(cai)料(liao)無(wu)法(fa)比(bi)擬(ni)的(de)。
| 序號 |
項目 |
單位 |
標準值 |
| 1200g |
1400g |
1600g |
1800g |
2000g |
| 1 |
複合體單位麵積質量 |
g/m2 |
≥1200 |
≥1400 |
≥1600 |
≥1800 |
≥2000 |
| 2 |
複合體厚度 |
mm |
≥6.0 |
≥7.0 |
≥8.0 |
≥9.0 |
≥10.0 |
| 3 |
複合體縱向抗拉強度 |
KN/m |
≥16.0 |
≥16.0 |
≥16.0 |
≥16.0 |
≥16.0 |
| 4 |
複合體導水率 |
m2/s |
≥1.2×10-4 |
≥1.2×10-4 |
≥1.2×10-4 |
≥1.2×10-4 |
≥1.2×10-4 |
| 5 |
網芯與無紡布的剝離強度 |
KN/m |
≥0.3 |
≥0.3 |
≥0.3 |
≥0.3 |
≥0.3 |
| 6 |
網芯厚度 |
mm |
≥5.0 |
≥5.0 |
≥6.0 |
≥7.0 |
≥8.0 |
| 7 |
網芯的抗拉強度 |
KN/m |
≥13.0 |
≥15.0 |
≥15.0 |
≥15.0 |
≥15.0 |
| 8 |
無紡布單位麵積質量 |
g/m2 |
≥200 |
≥200 |
≥200 |
≥200 |
≥200 |
| 9 |
無紡布法向滲透係數 |
cm/s |
≥0.3 |
≥0.3 |
≥0.3 |
≥0.3 |
≥0.3 |
| 10 |
幅寬 |
m |
2.1 |
2.1 |
2.1 |
2.1 |
2.1 |
| 11 |
卷長 |
m |
30 |
30 |
30 |
30 |
30 |
|