人工湖防滲膜鋪設施工專注湖底防滲工藝
瀏覽次數：次信息(xi)來源：泰安佳路通工程(cheng)材料有限(xian)公司(si)發布時間：2022/11/10
要知道，人工湖防滲施工建設需要做好防滲施工，因此，如何進行人工湖防滲膜的鋪設需要我們格外的關注，關于人工湖防滲膜用于湖底鋪設的施工技巧以及細節，小編為您進行簡要的概況。 人工(gong)湖(hu)人造湖(hu)泊防(fang)滲(shen)土(tu)工(gong)膜(mo)選用的(de)(de)是復(fu)合(he)土(tu)工(gong)膜(mo)即人工(gong)湖(hu)防(fang)滲(shen)膜(mo)，人工(gong)湖(hu)防(fang)滲(shen)膜(mo)的(de)(de)關鍵組成(cheng)為(wei):土(tu)工(gong)布(bu)與土(tu)工(gong)膜(mo)復(fu)合(he)型而(er)成(cheng)的(de)(de)隔水層(ceng)原材料，土(tu)工(gong)膜(mo)薄厚為(wei)0。35毫(hao)米(mi)、0。4mm，凈重為(wei)750～900g/㎡，寬幅為(wei)4～8米(mi)，其抗(kang)壓強度和防(fang)水層(ceng)特性均能考(kao)慮(lv)設計方案和工(gong)程(cheng)施工(gong)規定。 人工(gong)(gong)湖防(fang)滲膜(mo)(mo)鋪裝在(zai)(zai)作業區基(ji)坑開挖、壩(ba)基(ji)填方完(wan)后，就可(ke)以開展防(fang)洪溝土工(gong)(gong)膜(mo)(mo)鋪裝，鋪膜(mo)(mo)前**先(xian)用(yong)震(zhen)動碾(nian)輾壓防(fang)洪溝，做(zuo)到設計方案規定干密度后，用(yong)人力開展整(zheng)平(ping)基(ji)本(ben)面(mian)，**基(ji)準面(mian)尖棱腫(zhong)塊等臟物，使(shi)表層無斜(xie)坡(po)、通縫、存(cun)水和(he)浮灰，做(zuo)到整(zheng)平(ping)光潔，為(wei)保證做(zuo)到防(fang)水層實際效(xiao)果，在(zai)(zai)工(gong)(gong)程(cheng)施工(gong)(gong)時膜(mo)(mo)下(xia)基(ji)本(ben)基(ji)土噴撒滅草(cao)劑。 人工(gong)(gong)(gong)(gong)(gong)(gong)(gong)湖防(fang)滲膜(mo)選用0。4mm兩布(bu)一膜(mo)，鋪(pu)膜(mo)基本經(jing)(jing)技術工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程師工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程驗(yan)收達(da)標后(hou)，融合砂礫(li)(li)石保護(hu)層厚度(du)攤(tan)鋪(pu)按無(wu)紡土工(gong)(gong)(gong)(gong)(gong)(gong)(gong)布(bu)幅(fu)長度(du)寬(kuan)幅(fu)按段次序開展工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，并隨砂礫(li)(li)石保護(hu)層厚度(du)攤(tan)鋪(pu)拓寬(kuan)，鋪(pu)裝(zhuang)剛開始以(yi)卷長順流方位(wei)鋪(pu)裝(zhuang)，上下游幅(fu)壓(ya)中下游幅(fu)，鋪(pu)裝(zhuang)應(ying)(ying)(ying)平穩，緊(jin)松適合，不(bu)(bu)可以(yi)繃(beng)拉過(guo)緊(jin)，應(ying)(ying)(ying)考(kao)慮到適合的(de)余幅(fu)，但不(bu)(bu)可以(yi)產(chan)生皺褶(zhe)，保證防(fang)滲土工(gong)(gong)(gong)(gong)(gong)(gong)(gong)布(bu)與防(fang)洪溝的(de)密(mi)不(bu)(bu)可分迎合。鋪(pu)膜(mo)前先開展小地區試鋪(pu)，依據試鋪(pu)達(da)標的(de)主要參數、工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)組成、加工(gong)(gong)(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)藝、工(gong)(gong)(gong)(gong)(gong)(gong)(gong)藝流程工(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)方法、性能指(zhi)標，經(jing)(jing)技術工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程師準(zhun)許后(hou)，再(zai)開展大規模工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)，為避免(mian)防(fang)滲土工(gong)(gong)(gong)(gong)(gong)(gong)(gong)布(bu)鋪(pu)裝(zhuang)后(hou)因挪動鋼(gang)筋搭接移位(wei)，應(ying)(ying)(ying)在鄰部或適度(du)位(wei)置(zhi)開展鋼(gang)筋錨固，人工(gong)(gong)(gong)(gong)(gong)(gong)(gong)湖防(fang)滲膜(mo)鋪(pu)裝(zhuang)中應(ying)(ying)(ying)防(fang)止損壞和(he)環境污染，鋪(pu)裝(zhuang)后(hou)不(bu)(bu)可長期暴曬，應(ying)(ying)(ying)立即鋪(pu)裝(zhuang)沙礫(li)(li)保護(hu)層厚度(du)。超低(di)溫(wen)(0℃下列)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)時，人工(gong)(gong)(gong)(gong)(gong)(gong)(gong)湖防(fang)滲膜(mo)應(ying)(ying)(ying)呈(cheng)無(wu)冷凍綿軟情(qing)況，不(bu)(bu)可有冷凍。 人(ren)工(gong)(gong)湖(hu)防滲膜施工(gong)(gong)分(fen)為五個步驟，下(xia)面將(jiang)詳細介紹: 1、底基層處理(li) 人工湖(hu)防滲膜(mo)施工前，底(di)基層應(ying)夯(hang)實平(ping)整，不得有凹凸不平(ping)的地方，底(di)面應(ying)平(ping)整，并(bing)清除場(chang)地中的石塊、樹根等尖銳雜(za)物，以(yi)免(mian)損壞土工膜(mo)，影響防滲效(xiao)果。 2、鋪設(she)人工(gong)湖(hu)防滲膜 鋪設(she)(she)人工湖(hu)防滲膜前(qian)，首先檢查膜材(cai)料(liao)是否完好，有(you)無破損(sun)、孔洞等(deng)缺陷。土工膜應根據(ju)場地的實(shi)際(ji)大(da)小進行切割。鋪設(she)(she)過(guo)程中，膜材(cai)料(liao)不(bu)宜(yi)拉伸過(guo)緊，應預留一定(ding)的膨(peng)脹量(liang)。為了(le)節省材(cai)料(liao)，焊縫應盡可能減少(shao)，膜之間的重疊不(bu)應小于10厘米。膜材(cai)料(liao)鋪設(she)(she)后，盡量(liang)不(bu)要在(zai)上(shang)面行走(zou)或放置機(ji)械等(deng)物品，以免損(sun)壞土工膜，影(ying)響防滲效果(guo)。 3、人工湖(hu)防滲膜(mo)的(de)焊接 薄(bo)膜(mo)(mo)之間的(de)(de)接(jie)縫應無(wu)灰塵和泥漿，并應在焊接(jie)前清(qing)理干凈。土工膜(mo)(mo)的(de)(de)焊接(jie)需(xu)要專業的(de)(de)焊接(jie)師傅，焊接(jie)工具采用(yong)雙軌熱熔焊機(ji)。一(yi)般(ban)的(de)(de)焊接(jie)程(cheng)序是:調整(zheng)壓力-設定(ding)溫(wen)度-設計速度-檢查(cha)焊接(jie)重疊(die)-將(jiang)薄(bo)膜(mo)(mo)裝(zhuang)入機(ji)器(qi)-啟(qi)動機(ji)器(qi)。在焊接(jie)過程(cheng)中，需(xu)要隨時注意焊機(ji)的(de)(de)運行，并根(gen)據(ju)現場(chang)情況調整(zheng)溫(wen)度和速度。 4、人工湖防(fang)滲膜錨固 土工膜的固定(ding)方式有釘(ding)錨(mao)、膨(peng)脹螺栓錨(mao)和溝(gou)槽錨(mao)三種，固定(ding)方式視現場(chang)情況而定(ding)。 5、人工湖(hu)防(fang)滲(shen)膜檢測 所有工作完(wan)成后(hou)，應(ying)對土工膜進行測試(shi)，包(bao)括外(wai)觀、焊縫(feng)(feng)、有無基底雜(za)物，除(chu)外(wai)觀損傷(shang)目測外(wai)，應(ying)對土工膜焊縫(feng)(feng)進行壓力(li)試(shi)驗(yan)和氣壓試(shi)驗(yan)，然(ran)后(hou)對焊縫(feng)(feng)進行拉拔試(shi)驗(yan)，并(bing)對焊縫(feng)(feng)進行切割，以觀察(cha)撕裂損傷(shang)。 以上(shang)是關于(yu)人工(gong)(gong)湖防(fang)滲膜湖底鋪設(she)小(xiao)技巧，希望能幫助(zhu)(zhu)客(ke)戶朋友更好的了(le)解人工(gong)(gong)湖防(fang)滲膜選擇施工(gong)(gong)，保障工(gong)(gong)程(cheng)施工(gong)(gong)質(zhi)量(liang)，確保人工(gong)(gong)湖防(fang)滲膜鋪設(she)發揮(hui)其(qi)重(zhong)要作用(yong)提供支持幫助(zhu)(zhu)。
