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132023-06
南水北调工程：复合土工膜进行截渗时，需要注意哪些问题？ 近年来，在南(nan)水北调(diao)工(gong)程及其(qi)他平原(yuan)水库(ku)的(de)防(fang)渗工(gong)程中(zhong)，广泛采用库(ku)底铺设土工(gong)织物防(fang)渗体工(gong)艺。这(zhei)种工(gong)艺节省投资，同时施工(gong)方便。复合土工(gong)膜(mo)具有多项优点(dian)，如强(qiang)度(du)高、延(yan)展性良好、变形(xing)模量大(da)、耐酸碱和抗腐(fu)蚀性强(qiang)，同时还具备耐老化和优异的(de)...
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092023-06
运用复合土工膜中需要严格控制哪几点？ 在复(fu)合土工(gong)(gong)(gong)膜施(shi)工(gong)(gong)(gong)中(zhong)(zhong)(zhong)，每(mei)道工(gong)(gong)(gong)序都(dou)需要做到(dao)“三检”，铺设、焊接、保(bao)护层施(shi)工(gong)(gong)(gong)都(dou)必(bi)须符合《复(fu)合土工(gong)(gong)(gong)膜施(shi)工(gong)(gong)(gong)方法简介》中(zhong)(zhong)(zhong)的要求和规(gui)定为(wei)最(zui)大限度上保(bao)证(zheng)施(shi)工(gong)(gong)(gong)质量(liang)，在运(yun)用复(fu)合土工(gong)(gong)(gong)膜中(zhong)(zhong)(zhong)，需要严格控制好以下几点。1) 每(mei)位施(shi)工(gong)(gong)(gong)人员都(dou)需要取得(de)相...
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082023-06
复合土工膜焊接时，如何进行双焊缝搭接？ 在复合土(tu)工膜焊(han)接(jie)中，采取TH－1焊(han)接(jie)机进(jin)行双焊(han)缝搭接(jie)，每天开始焊(han)接(jie)时，需(xu)要在施工现场先试(shi)(shi)焊(han)一条规格宽度600mm，长度为3．7m的试(shi)(shi)样，选择拉力(li)机进(jin)行剥离和剪(jian)切试(shi)(shi)验，试(shi)(shi)验达标后(hou)，选择试(shi)(shi)验确定好的速度、压力(li)、温度等进(jin)行焊(han)接(jie)...
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062023-06
符合标准的复合土工膜在调蓄水池中的应用要点 复合(he)土工(gong)(gong)(gong)膜施(shi)工(gong)(gong)(gong)对连续性和稳(wen)定性有很高的要求(qiu)，因(yin)此，必须切实做好施(shi)工(gong)(gong)(gong)前的准备(bei)工(gong)(gong)(gong)作(zuo)，保证(zheng)各道工(gong)(gong)(gong)序有序进行(xing)从而(er)保证(zheng)施(shi)工(gong)(gong)(gong)质量(liang)。施(shi)工(gong)(gong)(gong)前的准备(bei)工(gong)(gong)(gong)作(zuo)主要包括以(yi)下方面。1)原材(cai)料准备(bei)。为保证(zheng)调蓄水池防渗质量(liang)，所(suo)用(yong)复合(he)土工(gong)(gong)(gong)膜的质量(liang)必须满足...
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232023-05
油田道路施工土工布的使用方法及注意事项 在(zai)(zai)施(shi)工(gong)油田(tian)道(dao)路(lu)时(shi)，根据路(lu)面的(de)(de)(de)不同形式，可分为两种工(gong)作过程。其一是在(zai)(zai)机(ji)器耕作初期获得的(de)(de)(de)道(dao)路(lu)基础上，进(jin)行(xing)单侧或双侧的(de)(de)(de)加(jia)宽工(gong)作。对于这种情(qing)况，首(shou)先(xian)应在(zai)(zai)原有的(de)(de)(de)机(ji)耕路(lu)需要扩宽的(de)(de)(de)一侧安装木桩，并使用草袋固定，两侧均需结实(shi)加(jia)固木桩头。...
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192023-05
我们通过在危废贮存场防渗工程中的实践制定优化方案 根据施工(gong)现场管(guan)道穿出(chu)的位(wei)置、间距(ju)及(ji)走向，制定(ding)优化方案(an)。方案(an)关键点是(shi)要确(que)(que)定(ding)管(guan)道与(yu)(yu)套管(guan)拟定(ding)对接部位(wei)的点位(wei)，此(ci)(ci)点位(wei)要求:管(guan)道临时支顶(ding)后与(yu)(yu)周围障碍距(ju)离不小于200mm，同时管(guan)道临时支顶(ding)后与(yu)(yu)相邻管(guan)道距(ju)离不小于100mm，然(ran)后确(que)(que)定(ding)此(ci)(ci)...
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