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232022-06
上游坝坡膜上碎石垫层及混凝土预制块运输方案分析 库(ku)区防渗由坝(ba)坡面(mian)防渗及(ji)(ji)库(ku)底防渗两(liang)部(bu)分(fen)组成,均采用(yong)(yong)土(tu)工膜进(jin)行防渗。坝(ba)坡面(mian)上(shang)层(ceng)土(tu)工布表面(mian)设(she)置上(shang)垫层(ceng)及(ji)(ji)护面(mian),上(shang)垫层(ceng)采用(yong)(yong)碎石垫层(ceng),护面(mian)采用(yong)(yong)C15混(hun)凝土(tu)预制块护面(mian)。某水库(ku)上(shang)游(you)坝(ba)面(mian)护坡斜(xie)长69.18m,高程1028.00m设(she)置有(you)2....
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222022-06
详谈雨季铺设土工膜及防渗垫注意事项及解决措施 1)膨润(run)土(tu)垫(dian)跨管(guan)沟(gou)处(chu)理(li)膨润(run)土(tu)垫(dian)必(bi)须靠近(jin)粘性土(tu)壤(rang)防渗(shen)层,深度不同后,用于安装渗(shen)滤管(guan)沟(gou),容易形(xing)成凸起,使土(tu)工(gong)膜形(xing)成空鼓。因(yin)此(ci),当管(guan)沟(gou)等(deng)不平整的(de)地方,分别铺设后切(qie)割膨润(run)土(tu)垫(dian),然后连接(jie)牢固(gu)。2)雨季施工(gong)处(chu)理(li)9-12月(yue)为当地雨季,...
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202022-06
铺设HDPE防渗膜时,需要注意哪些事项? (1)铺设HDPE防渗(shen)膜(mo)前,基础表面必须经过(guo)基础处理,符合要(yao)求后方可进(jin)行(xing)后续工作。具体检查标准(zhun)为平整度、坡度(纵向和横向)、压实度和清(qing)洗强度。只有满(man)足(zu)上述标准(zhun),基础才(cai)能完全处理。(2)铺设HDPE防渗(shen)膜(mo)时,应注意从低到高...
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172022-06
施工质量控制HDPE防渗膜的审查要求 (1)施工(gong)(gong)队(dui)资质(zhi)(zhi)审(shen)(shen)查(cha)。为了保证最终的(de)施工(gong)(gong)质(zhi)(zhi)量,对施工(gong)(gong)队(dui)伍进行资质(zhi)(zhi)审(shen)(shen)查(cha)至(zhi)关重要(yao)。审(shen)(shen)查(cha)主要(yao)包括:施工(gong)(gong)单(dan)位(wei)(wei)是(shi)否(fou)具有营业(ye)执照和工(gong)(gong)程施工(gong)(gong)许可证,施工(gong)(gong)单(dan)位(wei)(wei)过去(qu)的(de)施工(gong)(gong)质(zhi)(zhi)量控制(zhi)是(shi)否(fou)满足目标(biao)要(yao)求(qiu),企业(ye)工(gong)(gong)程经(jing)验是(shi)否(fou)足够丰富,履(lv)行情(qing)况是(shi)否(fou)良(liang)好(hao)...
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162022-06
卫生填埋场防渗漏,HDPE防渗膜在工程中的应用原理 卫(wei)生填埋(mai)场(chang)渗(shen)(shen)漏液(ye)的(de)(de)(de)难(nan)题立(li)即危害当地自然(ran)环(huan)境,导致(zhi)比较严(yan)重的(de)(de)(de)水源(yuan)污染,因而卫(wei)生填埋(mai)场(chang)的(de)(de)(de)防(fang)渗(shen)(shen)漏工(gong)作(zuo)中尤(you)为重要(yao)。目前在防(fang)渗(shen)(shen)方面应用最普遍的(de)(de)(de)便是(shi)HDPE防(fang)渗(shen)(shen)膜,其(qi)具体工(gong)作(zuo)中是(shi)防(fang)渗(shen)(shen)漏工(gong)作(zuo)中的(de)(de)(de)关键环(huan)节,由此可见防(fang)渗(shen)(shen)膜的(de)(de)(de)工(gong)程施(shi)工(gong)品质是(shi)...
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152022-06
膨润土防水毯具备良好的抗冻融循环的能力 膨(peng)(peng)润(run)(run)土(tu)(tu)(tu)(tu)防(fang)(fang)(fang)水毯(tan)按材料可分为(wei)钠基(ji)膨(peng)(peng)润(run)(run)土(tu)(tu)(tu)(tu)和(he)钙基(ji)膨(peng)(peng)润(run)(run)土(tu)(tu)(tu)(tu),GCL为(wei)钠基(ji)膨(peng)(peng)润(run)(run)土(tu)(tu)(tu)(tu)防(fang)(fang)(fang)水毯(tan)。膨(peng)(peng)润(run)(run)土(tu)(tu)(tu)(tu)防(fang)(fang)(fang)水毯(tan)是通过(guo)针刺、粘接(jie)或(huo)缝合(he)工艺将土(tu)(tu)(tu)(tu)工布(bu)和(he)膨(peng)(peng)润(run)(run)土(tu)(tu)(tu)(tu)复合(he)在一起的一种复合(he)防(fang)(fang)(fang)渗材料。起防(fang)(fang)(fang)渗作用的是以蒙脱石为(wei)主要(yao)成份的膨(peng)(peng)润(run)(run)土(tu)(tu)(tu)(tu)。膨(peng)(peng)润(run)(run)土(tu)(tu)(tu)(tu)可吸(xi)附(fu)数倍于自...



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