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網球場施工建造時,怎樣檢查瀝青混凝土基層的潮濕情況?

2020-05-14 19:04:54  來源:  字號:【下載香蕉視頻APP:  下載香蕉視頻APP:  下載香蕉視頻APP:】  瀏覽:0

聚(ju)(ju)氨酯(zhi)塑(su)(su)(su)膠(jiao)(jiao)面(mian)(mian)(mian)層(ceng)(ceng)(ceng)材料(liao),鋪(pu)(pu)筑(zhu)在(zai)瀝(li)(li)青(qing)混凝土(tu)(tu)基(ji)層(ceng)(ceng)(ceng)上面(mian)(mian)(mian),要(yao)求粘(zhan)接(jie)的(de)(de)(de)非常牢固(gu),但是(shi)聚(ju)(ju)氨酯(zhi)材料(liao)怕水(shui)(shui)和潮(chao)濕(shi),一(yi)旦瀝(li)(li)青(qing)混凝土(tu)(tu)基(ji)層(ceng)(ceng)(ceng)還有(you)(you)(you)水(shui)(shui)分進行攤鋪(pu)(pu)塑(su)(su)(su)膠(jiao)(jiao)后(hou),在(zai)短時(shi)(shi)(shi)間內(nei)就會產生(sheng)氣(qi)(qi)(qi)(qi)泡,而使塑(su)(su)(su)膠(jiao)(jiao)與(yu)瀝(li)(li)青(qing)混凝土(tu)(tu)分離。隨著氣(qi)(qi)(qi)(qi)溫的(de)(de)(de)變化,小的(de)(de)(de)氣(qi)(qi)(qi)(qi)泡越來越大(da),有(you)(you)(you)時(shi)(shi)(shi)可(ke)(ke)(ke)達(da),一(yi)平(ping)方(fang)米(mi)(mi),有(you)(you)(you)時(shi)(shi)(shi)氣(qi)(qi)(qi)(qi)泡越來越多,小到直(zhi)徑三厘(li)(li)米(mi)(mi)不(bu)(bu)等,由于(yu)氣(qi)(qi)(qi)(qi)泡的(de)(de)(de)產生(sheng),導致大(da)面(mian)(mian)(mian)積翻修,小型體育場甚至(zhi)報(bao)廢(fei),主要(yao)原(yuan)因就是(shi)瀝(li)(li)青(qing)混凝土(tu)(tu)基(ji)層(ceng)(ceng)(ceng)中含有(you)(you)(you)水(shui)(shui)分。為(wei)了防止氣(qi)(qi)(qi)(qi)泡的(de)(de)(de)出(chu)現(xian)(xian),在(zai)鋪(pu)(pu)筑(zhu)塑(su)(su)(su)膠(jiao)(jiao)面(mian)(mian)(mian)層(ceng)(ceng)(ceng)前,對(dui)基(ji)層(ceng)(ceng)(ceng)一(yi)定要(yao)進行潮(chao)濕(shi)現(xian)(xian)象檢查(cha),目前尚未(wei)有(you)(you)(you)高級(ji)電(dian)子儀器檢測,現(xian)(xian)介紹兩種(zhong)(zhong)方(fang)法(fa),一(yi)種(zhong)(zhong)是(shi)封(feng)(feng)閉(bi)式(shi)檢驗方(fang)法(fa)。這是(shi)用有(you)(you)(you)機玻璃制作的(de)(de)(de)方(fang)塊(kuai)四(si)(si)十(shi)厘(li)(li)米(mi)(mi)乘(cheng)四(si)(si)十(shi)厘(li)(li)米(mi)(mi)乘(cheng)五(wu)厘(li)(li)米(mi)(mi),粘(zhan)接(jie)密封(feng)(feng)不(bu)(bu)透氣(qi)(qi)(qi)(qi),留出(chu)四(si)(si)十(shi)厘(li)(li)米(mi)(mi)乘(cheng)四(si)(si)十(shi)厘(li)(li)米(mi)(mi)的(de)(de)(de)一(yi)側,將(jiang)開口面(mian)(mian)(mian)向瀝(li)(li)青(qing)混凝土(tu)(tu)基(ji)層(ceng)(ceng)(ceng)周邊可(ke)(ke)(ke)用橡皮泥(ni)臨時(shi)(shi)(shi)封(feng)(feng)閉(bi)。24小時(shi)(shi)(shi)后(hou),觀察(cha)盒內(nei)有(you)(you)(you)否出(chu)現(xian)(xian)潮(chao)濕(shi)的(de)(de)(de)水(shui)(shui)蒸氣(qi)(qi)(qi)(qi)如(ru)沒有(you)(you)(you)即(ji)可(ke)(ke)(ke)認(ren)為(wei)基(ji)層(ceng)(ceng)(ceng)干燥可(ke)(ke)(ke)以(yi)鋪(pu)(pu)塑(su)(su)(su)膠(jiao)(jiao),另一(yi)種(zhong)(zhong)方(fang)法(fa)是(shi)用一(yi)張塑(su)(su)(su)料(liao)薄(bo)膜面(mian)(mian)(mian)積大(da)于(yu)五(wu)十(shi)厘(li)(li)米(mi)(mi)乘(cheng)五(wu)十(shi)厘(li)(li)米(mi)(mi)。平(ping)鋪(pu)(pu)在(zai)瀝(li)(li)青(qing)混凝土(tu)(tu)基(ji)層(ceng)(ceng)(ceng)上,周邊用沙石圍嚴實,上面(mian)(mian)(mian)壓一(yi)圈四(si)(si)丁磚,觀察(cha)24小時(shi)(shi)(shi)后(hou),塑(su)(su)(su)料(liao)薄(bo)膜出(chu)現(xian)(xian)水(shui)(shui)蒸氣(qi)(qi)(qi)(qi)泡時(shi)(shi)(shi),既說(shuo)明瀝(li)(li)青(qing)混凝土(tu)(tu)內(nei)含有(you)(you)(you)水(shui)(shui)分,不(bu)(bu)宜(yi)鋪(pu)(pu)筑(zhu)塑(su)(su)(su)膠(jiao)(jiao)面(mian)(mian)(mian)層(ceng)(ceng)(ceng),如(ru)果(guo)沒有(you)(you)(you)水(shui)(shui)氣(qi)(qi)(qi)(qi),則認(ren)為(wei)瀝(li)(li)青(qing)混凝土(tu)(tu)基(ji)層(ceng)(ceng)(ceng)是(shi)干燥的(de)(de)(de),可(ke)(ke)(ke)以(yi)鋪(pu)(pu)筑(zhu)塑(su)(su)(su)膠(jiao)(jiao)面(mian)(mian)(mian)層(ceng)(ceng)(ceng)。

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