膨润防水毯是一种专门用于人工湖泊水景、垃圾填埋场、地下车库、楼顶花园、水池、油库及化学品堆场等防渗漏的土工合成材料,它是由高膨胀性的钠基膨润土填充在特制的复合土工布和无纺布之间,用针刺法制成的膨润土防渗垫可形成许多小的纤维空间,是膨润土颗粒不能像一个方向流动,遇水时在垫内形成均匀高密度的胶状防水层,有效的防止水的渗漏。
土工膜施工现场
其主要机理是以塑料薄膜的不透水性隔断土坝漏水通道,以其较大的抗拉强度和延伸率承受水压和适应坝体变形;而无纺布亦是一种高分子短纤维化学材料,通过针刺或热粘成形,具有较高的抗拉强度和延伸性,它与塑料薄膜结合后,不仅增大了塑料薄膜的抗拉强度和抗穿刺能力,而且由于无纺布表面粗糙,增大了接触面的摩擦系数,有利于复合土工膜及保护层的稳定。同时,它们对细菌和化学作用有较好的耐侵蚀性,不怕酸、碱、盐类的侵蚀,在避光使用情况下,使用寿命长。
JIANJIE
GCL是一种介于GCL(现场厚压实粘土防渗衬垫)和高分子材料----土工膜之间的一种防渗衬垫。主要应用于环境工程中的废弃物填埋场、地下水库、地下基础设施建设等工程中,解决密封、隔离、防渗漏问题,效果好,抗破坏性强。
膨润土防水毯按生产工艺可分为:针刺法钠基膨润土防水毯、针刺覆膜法钠基膨润土防水毯以及胶粘法钠基膨润土防水毯。 针刺覆膜法钠基膨润土防水毯,是在针刺钠基膨润土防水毯的非织造土工布的外表面上复合一层高密度聚乙烯土工膜。 胶粘法钠基膨润土防水毯,是用胶粘剂把膨润土颗粒粘结到高密度聚乙烯板上,压缩生产的一种钠基膨润土
FANGSHUITEDIAN
MISHIXING
NAJIPENGRUNTUZAISHUIYAZHUANGTAIXIAXINGCHENGGAOMIDUHENGGEMO,HOUDUYUE3mmSHI,TADETOUSHUIXINGWEI&×10ˉ11m/secYIXIA,XIANGDANGYU100BEIDE30cmHOUDUZHANTUDEMISHIDU,JUYOUHENQIANGDEZIBAOSHUIXINGNENG。
JUYOUYONGJIUDEFANGSHUIXINGNENG
YINWEINAJIPENGRUNTUXITIANRANWUJICAILIAO,JISHIJINGGUOHENZHANGSHIJIANHUOZHOUWEIHUANJINGFASHENGBIANHUA,YEBUHUIFASHENGLAOHUAHUOFUSHIXIANXIANG,YINCIFANGSHUIXINGNENGCHIJIU。
SHIGONGJIANBIAN GONGQIDUAN
HEQITAFANGSHUICAILIAOBIJIAO,SHIGONGXIANGDUIBIJIAOJIANDAN,BUXUYAOJIAREHEZHANTIE。ZHIXUYONGPENGRUNTUFENMOHEDINGZI、DIANQUANDENGJINXINGLIANJIEHEGUDING。SHIGONGHOUBUXUYAOTEBIEDEJIANCHA,RUGUOFAXIANFANGSHUIQUEXIANYERONGYIWEIXIU。GCLSHIXIANYOUFANGSHUICAILIAOZHONGSHIGONGGONGQIZUIDUANDE。
BUSHOUQIWENYINGXIANG
ZAIHANLENGQIHOUTIAOJIANXIAYEBUHUICUIDUAN。
YITIHUA
FANGSHUICAILIAOHEDUIXIANGDEYITIHUA:NAJIPENGRUNTUYUSHUISHI,JUYOU20—28BEIDEPENGZHANGNENGLI,JISHIHUNNINGTUJIEGOUWUFASHENGZHENDONGHECHENJIANG,GCLNEIDEPENGRUNTUYENENGXIUBU2mmYINEIHUNNINGTUBIAOMIANDELIEWEN。
LVSEHUANBAO
PENGRUNTUWEITIANRANWUJICAILIAO,DUIHUANJINGMEIYOUTEBIEDEYINGXIANG,JUYOULIANGHAODEHUANBAOXINGNENG。
CHANPINTEDIAN
XINGNENGJIAGEBIGAO,YONGTUFEICHANGGUANGFAN。CHANPINFUDUKEDA6MI,DADATIGAOLESHIGONGXIAOLV。
SHIYONGFANWEIJIYINGYONGTIAOJIAN:SHIYONGYUSHIZHENG(LAJITIANMAI)、SHUILI、HUANBAO、RENGONGHUJIJIANZHUDIXIAFANGSHUI、FANGSHENGONGCHENG。
ZAICHUANTONGFANGSHUICAILIAOWUFASHIGONGDEFUWENXIA(-20℃)RENGKESHIGONG;ZAICHAOSHIDEJICENG(WUMINGSHUI)SHANGYEKESHIGONG;ZAIYUXUETIANQIXIABUNENGSHIGONG;BUSHIHEQIANGSUAN、QIANGJIANXINGRONGYEFANGSHEN;YOUYUPENGRUNTUXIWUJICAILIAO,GUQINAIJIUXINGHAOYUYOUJIFANGSHUICAILIAO。
PENGRUNTUFANGSHUITANDESHIGONGFANGFA
1、PENGRUNTUFANGSHUITANCAILIAOZIZHONGJIAODA,YICAIYONGCHANJIPEIHEFANGSHUITANDIAOZHUANGGONGJUBANYUN、PUSHE。
2、PENGRUNTUFANGSHUITANCAILIAODELIANJIECAIYONGDAJIEDEFANGSHI。
3、PENGRUNTUFANGSHUITANZAIDAYU10%DEPODUSHANGPUSHESHIYINGJINLIANGJIANSHAOYANPOZHANGFANGXIANGDEDAJIESHULIANG,POSHANGDEPENGRUNTUDIANBIXUCHAOGUOPOJIAOXIAN1500mmYISHANG。D、WOMENJIANGYANGEANZHAODIJIAOJIJIANLIGONGCHENGSHIDEPENGRUNTUFANGSHUITANPUSHESHEJITULAIPUSHE,CHUFEIDEYEZHUHUOJIANLIYAOQIU。
4、YONGYUPUFANGPENGRUNTUFANGSHUITANDERENHESHEBEIBUNENGZAIYIPUSHEHAOTUGONGHECHENGCAILIAOSHANGMIANXINGSHI。ANZHUANGPENGRUNTUFANGSHUITANSHI,HUWAIKONGQIWENDUBUNENGDIYU0℃HUOGAOYU40℃。
5、SUOYOUWAILUDEPENGRUNTUFANGSHUITANBIANYUANBIXULIKEYONGSHADAIHUOZHEQITAZHONGWUYAJIN,YIFANGZHIPENGRUNTUFANGSHUITANBEIFENGCHUIHUOBEILACHUZHOUBIANMAOGUGOU。PENGRUNTUFANGSHUITANBUNENGZAIDAFENGDETIANQIQINGKUANGXIAZHANKAI,YIFANGZHIBEIFENGCHUIQI。
6、PENGRUNTUFANGSHUITANDEPUSHEFANGSHIBIXUBAOZHENGPENGRUNTUFANGSHUITANYUXIAMIANDIJIZHIJIEJIECHU,PAICHUZHEZHOU。RENHEZHEZHOU、ZHEDIEHUOGONGQIDOUKENENGHUIZAOCHENGTUCENGQITADETUGONGCAILIAOFASHENGTONGYANGDEQINGKUANG,WEILEBIMIANZHEZHOU、ZHEDIEHEGONGQI,WOMENJIANGHUIGENJUJISHUSHUOMINGDEYAOQIUTONGGUODUIPENGRUNTUFANGSHUITANDEZHONGXINPUFANGHUOZHEQIEGEHEXIUBULAIXIAOCHUZHEIXIEWENTI。
7、PENGRUNTUFANGSHUITANDESHEBEIBIXUYAODEYIJIANLIGONGCHENGSHIDEPIZHUNCAINENGSHIYONG,BUYUNXUSHIYONGMEIYOUBAOHUDETIDAOHUOZHE“KUAISUDAO”。I、KENENGSUNSHANGDAOPENGRUNTUTANDESHIGONGSHEBEIBUNENGZHIJIEZUOYONGZAIPENGRUNTUTANSHANG。KEXINGDEPUSHEFANGFASHITUITUXIANGHOUXINGSHI,JIANGDIAOQIANTUITUJIQIANDUANDEPENGRUNTUTANPUKAI。RUGUOTUJIZAIDIJITUSHANGLIUXIALECHEYIN,YINGZAIPUSHEGONGZUOJIXUQIANHUIFUYUANZHUANG。
8、PUSHEPENGRUNTUTANSHIJINLIANGJIANSHAOPENGRUNTUTANZAIDIJISHANGDETUOLA,YIMIANYINQIPENGRUNTUTANYUDIMIANJIECHUMIANDESUNHUAI。RUYOUXUYAO,KEYIDIMIANSHANGJIAFANGYICENGLINSHIDETUGONGZHIWU,YIJIANSHAOPENGRUNTUTANZAIPUSHEGUOCHENGZHONGYINMOCAYINQIDESUNHUAI。
9、PENGRUNTUTANDEPUSHEHEDAJIEYINGDANGYUXIEPOQINGXIEDEFANGXIANGPINGXING,RUGUOPODUDAYU4:
PENGRUNTUFANGSHUITANDESHIGONGYAOQIU
1、PENGRUNTUFANGSHUITANSHIGONGQIANYINGJIANCHAJICENG,JICENGYINGHANGSHIPINGZHENG、WUKENGWAJISHUI,WUSHIZISHUGENJIQITAJIANRUIWU。
2、PENGRUNTUFANGSHUITANZAIBANYUNHESHIGONGGUOCHENGZHONGYAOJINLIANGBIMIANZHENDONGHECHONGJI,BIMIANTANTIYOUJIAODADEWANQUDU,ZUIHAOYICIDAOWEI。
3、在GCL安装、验收以后,要尽快进行回填工作,如果是配合HDPE土工膜使用的工的程应及时对土工膜铺装焊接,以防被雨淋湿或弄破。
防水机理为:膨润土防水毯所选用的钠基粒子膨润土遇水可膨胀24倍以上,使其形成均匀的黏性高且滤失量低的胶体系统,在两层土工布限制作用下,使膨润土从无序变为有序的膨胀,持续的吸水膨胀结果是让膨润土层自身达到密实,从而具有防水作用。
PENGRUNTUFUHEFANGSHUIDIAN(GCL)SHIGONGZHUYISHIXIANG
1、PENGRUNTUFUHEFANGSHUIDIAN(GCL)DECHUYUNYINGFANGSHUI、FANGCHAO、FANGQIANGLIEYANGGUANGBAOSHAI。CHUCUNSHIDIMIANYINGCAIQUJIAKONGFANGFADIANQI,YUNZHIXIANCHANGDEPENGRUNTUFUHEFANGSHUIDIAN(GCL)YINGZAIDANGRIYONGWAN。
2、ZAIJINXINGXIADAOGONGXUHUOXIANGLINGONGCHENGSHIGONGSHI,YINGDUIYIWANCHENGGONGXUDEPENGRUNTUFUHEFANGSHUIDIAN(GCL)TUOSHANBAOHU,BUDEYOURENHERENWEISUNHUAI。
3、YINGJINLIANGBIMIANCHUANDINGXIE、GAOGENXIEZAIPENGRUNTUFUHEFANGSHUIDIAN(GCL)SHANGCAITA; CHELIANGDENGJIXIEBUDENIANYAPENGRUNTUFUHEFANGSHUIDIAN(GCL)。
4、ZAIGM/GCLFUHECHENDIANDESHIGONGZHONG,YIPUWANCHENGDEGCLYINGZAIDANGRIWANCHENGHDPEMODESHIGONGHUOPUSHE300mmHOUNIANTUBAOHUCENG,DANGRIBUNENGWANCHENGHDPEMOHUONIANTUBAOHUCENGDESHIGONG,YINGDUIGCLJINXINGFUGAI,YIFANGXIAYUXIAXUEERSHIGCLXIANJINXINGSHUIHUAJIQIANGLIEYANGGUANGDUIGCLDEBAOSHAI。
5、DUIGCLDANCENGCHENDIANDEFANGSHEN、FANGSHUISHIGONGGONGCHENG,ZAISHIGONGJIESHUBINGYANSHOUHEGEHOU,YINGXUNSUYONGBIZHONGDAYU2.0DETU、SHAZIHUOSHILIJINXINGHUITIAN。HUITIANSHIWEIFANGZHIGCLDESUNHUAI,HUITIANTUZHONGBUNENGHANYOULIJINGDAYU10mmYISHANGDESUISHI,HUITIANTUHOUDUBUYINGSHAOYU30cm。HUITIANTUYINGFENJIHUITIANHANGSHI,YASHIDUBUNENGDIYU85%。
PENGRUNTUFANGSHUITANDECHENGPINBAOHU
1、膨润土防水毯铺设完毕后应及时铺设土工膜,以避免承受风雨的侵蚀;
2、膨润土防水毯铺设完毕后如不能及时铺设土工膜则应该用彩条布或薄膜覆盖,以避免承受风雨的侵蚀;3、膨润土防水毯铺设完毕后应避免车辆碾压和其他异物损坏;
4、SHIGONGWANBIHOUDEPENGRUNTUDIANSHANGBUDEYOUNIKUAI、WUWU、ZAWUDENGKENENGSUNHUAIFANGSHENCENGDEYIWUCUNZAI。
CUNCHU、YUNSHUa、PENGRUNTUFANGSHUITAN(GCL)JUANZAIANZHUANGZHANKAIQIANYAOBIMIANSHOUDAOSUNHUAI。PENGRUNTUFANGSHUITAN(GCL)JUANYINGGAIDUIFANGYUJINGPINGZHENGBUJISHUIDEDIFANG,DUIGAOBUCHAOGUOSIJUANDEGAODU,BINGNENGKANDAOJUANDESHIBIEPAI。
5、YOUBUQIADANGDECHUCUNHECAOZUOERZAOCHENGPENGRUNTUFANGSHUITAN(GCL)DESUNHUAI,BUYUNXUSHIYONGYUBENGONGCHENGSHANG。
6、ZAIYUNSHUGUOCHENGZHONG(BAOKUOXIANCHANGCONGCAILIAOCUNCHUDIDAOGONGZUODEYUNSHU),PENGRUNTUFANGSHUITAN(GCL)JUANYINGBIMIANSHOUDAOSUNHUAI。
7、SHOUDAOWULISUNHUAIDEPENGRUNTUFANGSHUITAN(GCL)JUANBIXUYAOXIUFU,SHOUSUNHUAIYANZHONGDEPENGRUNTUDIAN(GCL)BUNENGSHIYONG,WOMENJIANGCONGXIANCHANGBANZOUBINGJINXINGTIHUAN。
8、RENHEJIECHUDAOXIELOUHUAXUERONGJIDEPENGRUNTU(GCL)CAILIAO,GENJUJIANLIGONGCHENGSHIDEPANDUAN,BUYUNXUSHIYONGYUBENGONGCHENGSHANG。
9、RUGUOPENGRUNTUTANZAIANZHUANGGUOCHENGZAISUNHUAI(SILIE、CICHUANDENG),KEYICONGYIJUANXINDEPENGRUNTUTANSHANGQIEGEYIKUAI“BUDING”GAIZAIPOSUNDEDIFANGLAIJINXINGXIUBU。BUDINGDESIBIANJULIPOSUNDEDIFANGZHANGDUBUNENGXIAOYU300mm,PUFANG“BUDING”QIANYINGZAIPOSUNZHOUWEISAYIXIEKELIZHUANGPENGRUNTUHUOPENGRUNTUJIANG。RUYOUBIYAOYEKEYISHIYONGYIXIEZHANHEJIYIFANGZHI“BUDING”YIWEI,HUOZHEZAIPOSUNDEDIFANGXIAMIANDIANYIXIAOKUAIPENGRUNTUTAN。
ZIXUNREXIAN
WEIXINSAOYISAO