159彩票

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复合土工膜在土体稳定性上的作用

文章出处:鸿业工程材料责任编辑:jwsdz88.com人气:发表时间:2017-09-15 14:24【

1、堤坝防渗处理

159彩票 ZAIDUISHUILIGONGCHENGJINXINGFANGSHENCHULIZHONG,BIJIAOCHANGYONGDEFANGFAJIUSHIJIANGDIJINRUNXIANHUOZHESHIGUANJIANGHEFANGSHENQIANG,KANGHUAZHUANGHEYAZHONGDENGCUOSHIYESHIBIJIAOCHANGYONGDESHOUFA。JINXINGKANGHUAZHUANGCHULIZHONG,ZHUYAOYINGGAIDUIHUAPODEYUANYINJINXINGFENXI,CONGGENYUANSHANGJIEJUEWENTI,ZHUYAOCAIQUDEBANFAJIUSHIJIAQIANGTUTIDEQIANGDUHUOZHESHIJIANGDIBATIDEJINRUNXIAN。

随着技术的不断进步,各种新型的土工材料不断的出现,在提高土体稳定性方面也越来越多的应用到土工膜159彩票和加筋材料。对坝基渗漏的处理一般依据上游“铺、截、堵”,下游“导、减、排”的原则所谓“铺、截、堵”就是修建铺盖、防渗墙和帷幕灌浆等以减小渗漏量;“导、减、排”是修建导渗反滤体、减压井、排水沟等以降低扬压力。

2、灌浆防渗的几种方法

159彩票 2.1GAOYATIANCHONGSHIGUANJIANGFA

ZHEIZHONGGUANJIANGFANGFAZHUYAOSHISHIYONGYUDIBADEJICHUSHIGONGZHONG,HUOZHESHIDUIYUDISHENDEYIXUEHERONGDONGDECHONGTIAN。ZAISHIGONGSHI,TUGONGMOCHANGJIA,SHOUXIANYAOYONGWUSHIMIDEZUANJICONGDIDINGKAISHIZUANKONG,KONGJUYIBANZAIYIDIANWUMIDAOLIANGMIZUOYOU,ZUANDAOLISHICENGLIANGMIZUOYOUWEIZUIJIA。GUANJIANGSHIYALIYIBANWEI127.40~166.60kPa,TAOGUANXIADAOTIANTUCENGBAOZHENGDISHENGANZAO,JICHUBUFENSHALICENGGUANRUSHUINIJIANG,RANHOUZHUBUTISHENGDAOTUCENG,YIHUANGNIJIANGFENGKONG。ZHEIZHONGGUANJIANGFANGFAZHUYAOYONGYUJICHUCHUXIANKONGXIZHONG,XIANGSHIYIXUEHERONGDONGZHEIZHONGQINGKUANG,YINGGAISHIYONG30XINGDEZUANJIZAIYIXUEHUOZHERONGDONGDEZHOUWEIJINXINGZUANKONG,ZAIXINGCHENGBAOWEIQUANHOUJINXINGGUANJIANGZHIZHITIANMAN。

2.2LUANLISHICENGFANGSHENWEIMUGUANJIANG

MUQIANGUONEIDEMAOLISHIJIEGOUFANGSHENLOUWEIMUZHUJIANGPUBIANYUNYONGZHANTUZAIJIASHANGYIXIESHUINIDEHUNHEWUKAIZHANGUANZHU,HEZAIYANSHIZHONGDEJIAOZHUBUYIYANG。LUANLISHIJIEGOUJIAOZHUHENNANCHUXIANZILIDEZUANKONG,BANSUIZHEYUELAIYUECHENGSHUDEFANGSHENQIANGSHIGONGCUOSHI,ZHEIZHONGFANGSHIZAIJIAOZHUZHONGZHINENGZUOWEIBUCHONGKANCHADEFANGSHICUNZAI,BINGQIETONGCHOUFANGSHENLOUCHUZHIGENGJIAJINGZHUN,NENGGOUDUICHUXIANJIZHONGSHENLOUDEWEIZHI,JINXINGSHAOLIANGZHUJIANGJIUKEYIJINXINGCHULI。

2.3TUBABATIPILIEGUANJIANG

159彩票 TUBABATIPILIESHIGUANJIANGSHIYUNYONGBATIYINGLIFENBUGUILV,YONGYIDINGDEGUANJIANGYALI,JIANGBATIYANBAZHOUXIANFANGXIANGPILIE,TONGSHIGUANZHUHESHIDENIJIANG,XINGCHENGQIANZHILIANXUDEFANGSHENNIQIANG,CONGERDUSAILOUDONGLIEFENGHUOQIEDUANRUANRUOCENG,TIGAOBATIDEFANGSHENNENGLI,BINGTONGGUOJIANGBAHUYAHESHIXIAN,SHIBATINEIBUYINGLIZHONGFENBU,TIGAOBATIBIANXINGWENDINGXING。ZHENDUILIEFENGDEJUBUGUANJIANG,ZAIKENENGYOULIEFENGDEQUYU,JUNYUNBUZHILEISIGUJIEGUANJIANGDEGUANJIANGJIELQUNDUIBATISHIGONGZHILIANGCHA,SHENZHICHUXIANSHANGXIAYOUGUANTONGDEHENGFENG,YIBANYINGZUOQUANXIANDEPILIEGUANJIANG。

2.4GAOYAPENSHEGUANJIANG

GAOYAPENSHEJIAOZHUFANGZHISHENLOUSHIPINGJIEGAOYASHUINIHUNHEWUPENSHELIDUSUNHUAIBEIJIAOZHUCENGGOUZAO,RANGSHUINIHUNHEWUHEBEIJIAOZHUWEIZHIDETUSHALIHUNHE,XINGCHENGBIXINGZHUANGNINGJIETIQIDAOFANGZHISHENLOUDEYONGTU。ANZHAOBEIJIAOZHUWEIZHIGOUZAOYIJIFANGZHISHENLOUYAOQIUBUYIYANG,NENGGOUHUAFENWEIGUDINGPENSHE、XUANZHUANPENSHEYIJIBAIDONGPENSHE。GAOYAPENSHEJIAOZHUFANGZHISHENLOUCHUZHIDEYOUSHISHI:ZHUANGZHIJIANYI、XIAOLVGAO、WULIAOPUBIAN、CHENGBENDI,FANGZHISHENLOUDEGONGXIAOJIA。BUZUSHI:JIQIZHONGLEIFANDUO、DUIDIZHIHUANJINGDEYAOQIUGAO,CAOZUOBUHAORONGYICHUXIANPENSHEMANGJIAO,WUFADADAOFANGSHENMUDE。

2.5MAOLISHICENGFANGSHENWEIMUGUANJIANG

159彩票 LUANLISHICENGDEFANGSHENWEIMUGUANJIANGDADOUCAIYONGZHANTUWEIZHUJIASHAOLIANGSHUINIDEHUNHEJIANGYEJINXINGGUANZHU,BUTONGYUZAIYANSHIZHONGGUANJIANG。MAOLISHICENGGUANJIANGNANYIXINGCHENGZILIDEZUANKONG,GUCHANGCAIYONGTAOFASHIGUANJIANG、XUNHUANZUANGUANFAGENGUANGUANJIANGDAGUANGUANJIANGDEFANGFA。YINSHOUDIZHITIAOJIANDEXIANZHI,BUNENGYOUXIAOKONGZHIJIANGYEDETIANCHONGFANWEI,WEIDADAOXIANGDUIJIAOGAODEFANGSHENBIAOZHUN,CHANGXUCAIYONGSANPAIYISHANGDEGUANJIANGJIEL。SUIZHEFANGSHENQIANGJISHUDERIYICHENGSHU,MUQIANJIAOSHAOCAIYONGGAIFANGFA,JINYONGYUDANGGUANJIANGZUOWEIBUCHONGKANTANDESHOUDUAN,TONGSHIJIANGUFANGSHENCHULI,KEYIGENGJIAZHUNQUEDIZHENDUIFASHENGJIZHONGSHENLOUDEDIDIAN,TONGGUOSHAOLIANGDEGUANJIANGSHIWENTIDEDAOJIEJUEDEQINGKUANGXIA。

3、砼防止渗漏墙措施

TONGFANGSHENQIANGSHIGONGCUNZAIYIDINGDEFANSUOXING;TONGFANGSHENQIANGDADUOWEIDIXIAYINBIXIANGMU,YINCIZAISHIGONGZHONGCUNZAIHENDUOYIXIANGBUDAODEZHILIANGWENTIYIJIANQUANYINHUAN。ZHEIJIUSHUOMINGTONGFANGSHENQIANGSHIGONGCUNZAIYIDINGDENANDUYIJIWEIXIAN;TONGFANGSHENQIANGDEYOUSHI。TONGFANGSHENQIANGDESHIGONGZAOYINDI、WURANXIAO,DUIFUJINDEHUANJINGCHANSHENGDEYINGXIANGJIAOXIAO;TONGFANGSHENQIANGDEYINGYONGFANCHOUGUANGFAN,NENGGOUSHIYONGZAIHENDUOFANSUODETUZHIJIEGOU、QIZHONGBAOHANRUANTUJIEGOU、PIAOSHIJIEGOU、JIANYINGDEHUAGANGJIEGOUDENG,TONGSHIQINENGGOUYINGYONGZAIGUIMOJIAODADESHIGONGXIANGMUZHONG,QISHENDUYIJIHOUDUYUNYONGDANXINGQIANG;TONGFANGSHENQIANGDEQIANGTICHIXUYUNCHENG,QIFANGSHUIYIJIZAIZHONGXINGGAO。TONGFANGSHENQIANGSHIGONGZUOYELIANGDA、DINGZUOFANCHOUGUANGFAN,BINGQIEMEIGEGONGZUOJIANDELIANJIESHIFENGUANJIAN。

4、复合土工膜的防渗

复合土工膜159彩票由土工织物、土工膜、土工织物层组成,是一种新的工程材料。它集土工织物和土工膜的优点于一身。复合土工膜是用聚乙烯或是聚氯乙烯的增改性热合而成。复合土工膜具有质轻延伸性能好变形模量大,耐老化,防渗性能好,施工简单,造价低等优点,是一种理想的防渗材料。可以为施T单位赢得良好的社会效益和经济效益。

GENJUSHIGONGJINGYAN,FUHETUGONGMOCHANGJIA,ZAIYINGYONGFUHETUGONGMOSHIGONGGUOCHENGZHONGYAOZHUYIYIXIAJIDIAN:(1)YAOKEXUEDEXUANZETUGONGMOLEIXINGYIJIWULIAOLIXUEGONGNENGHEMODEYANSE、TOUMINGXING,QILIANJIEFENGXIDEZHILIANGYAOJINGGUOJIANCE,ANZHAOXIANGMUDESHIGONGSHUIZHUNHEGUANJIANXINGXUANQU。(2)YAOZAITUGONGMOHEANBIANFANGSHENMIANBANSUOBIANWEIMUHEDIBAFANGSHENTIZHONGSHIYONGSHIYIDELIANJIEFANGFA,LIANJIEFENGXIDEYOULIEDUIXIANGMUDECHENGGONGYUFOUYOUZHEZHIJIEZUOYONG。ZAIMIFENGJIETOUYIJIJIEFENGZHISHUIDEWEIZHIYAOQUEBAOMISHI,BAOZHENGTUGONGMOYIJIANBIANYANSHIYIHUOTONGMIANBANLIANJIELAOGU。(3)YAOXIXINGUIHUATUGONGMODESHANGDIANJIEGOUYIJIBAOHUJIEGOU,TONGSHISHIYONGXIAODESHIGONGFANGFAZUOHAOBAOHUCUOSHI,FANGZHIZAOYUSUNHUAIZHISHICHUXIANSHENLOUQINGKUANG。

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