亚洲黄色视频

保障地坪承建工程質量的兩大關鍵因素:技術和驗收

2011-10-12 14:52:32  來源:  字號:【亞洲黃色視頻:  亞洲黃色視頻:  亞洲黃色視頻:】  瀏覽:737

    地坪從材料角度可分為耐磨顆粒添加劑型、高分子聚合物型,其中后者在用量上居主要地位,而環氧樹脂基材地坪又是后者用量最大的。由于地坪生產施工企業眾多、素質參次不齊,造成地坪質量問題較為突出,其中環氧樹脂地坪量問題更多一些。如何避免和解決?解決的因素甚多,應從地坪面工程的技術要求和質量檢驗做起,也就是確定標準并按此驗收。
    耐磨顆粒添加劑型地面工程技術要求和質量檢驗,首先可參照GB50209-95《建筑地面工程施工及驗收規范》的工程驗收:檢查采用材料和完成樓地面各層構造是否符合設計要及及規范的規定;檢查地面各層的強度和密度以及上下層結合的牢固性;地面的坡度、厚度、標高和平整度,厚度與設計厚度允許偏差為該層厚度的10%;耐磨顆粒添加劑型地面的平整度,無特殊要求的面層2m直尺檢查允許偏差為4mm;帶有坡度的面層應做潑水試驗,并以能排除液體為合格。還可參照GB50209-2002《建筑地面工程質量驗收規范》的工程驗收可參照防油滲面層涂層允許偏差和檢驗方法:表面平整度5mm(估計是土建基層平整度要求);涂層與基層粘結牢固檢驗方法觀察檢查(不符合涂層質量檢驗方法);5.6.6條防油滲面層采用防油滲涂料時,涂層厚度宜為5~7mm,允許偏差無技術要求,涂層涂裝對此厚度無先例。
    高(gao)分(fen)子(zi)(zi)(zi)聚合物型(xing)地(di)(di)面(mian)(mian)技術要求(qiu)和(he)質(zhi)(zhi)(zhi)(zhi)量(liang)檢(jian)(jian)(jian)驗(yan)(yan),則可(ke)參照:GB50209-95《建(jian)筑(zhu)地(di)(di)面(mian)(mian)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)(gong)(gong)(gong)及驗(yan)(yan)收規范(fan)》,其高(gao)分(fen)子(zi)(zi)(zi)聚合物型(xing)涂層地(di)(di)面(mian)(mian)除(chu)了3.1-3條內容之外基本相似(si),涂層地(di)(di)面(mian)(mian)無(wu)特殊(shu)要求(qiu)的表面(mian)(mian)平整度(du)(du)(du)2m直尺檢(jian)(jian)(jian)查(cha)允(yun)許偏(pian)差為(wei)2mm;GB50209-2002《建(jian)筑(zhu)地(di)(di)面(mian)(mian)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)驗(yan)(yan)收規范(fan)》刪去了此類內容,防油滲面(mian)(mian)層部分(fen)僅為(wei)5.6.6條及5.6.10條。建(jian)筑(zhu)地(di)(di)面(mian)(mian)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)(gong)(gong)(gong)及驗(yan)(yan)收規范(fan)對地(di)(di)面(mian)(mian)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)檢(jian)(jian)(jian)查(cha)的內容如(ru)抗壓強度(du)(du)(du)、抗折強度(du)(du)(du)、粘(zhan)結強度(du)(du)(du)、耐磨性(xing)、彈性(xing)模量(liang)、線膨脹系數(shu)均(jun)為(wei)材料實驗(yan)(yan)室(shi)測(ce)試(shi)數(shu)據(ju),沒有(you)可(ke)供現場檢(jian)(jian)(jian)測(ce)的儀(yi)器(qi)和(he)試(shi)驗(yan)(yan)方(fang)法,只能當(dang)地(di)(di)面(mian)(mian)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)引(yin)起訴訟時現場取樣(yang)檢(jian)(jian)(jian)測(ce)。這類工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)管(guan)理(li)(li)可(ke)以(yi)由(you)施工(gong)(gong)(gong)(gong)(gong)(gong)(gong)方(fang)在(zai)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)監(jian)理(li)(li)到場,現場按檢(jian)(jian)(jian)測(ce)試(shi)樣(yang)尺寸制作,監(jian)理(li)(li)對試(shi)樣(yang)材料認同(tong),試(shi)樣(yang)養護(hu)、封存,監(jian)理(li)(li)決定以(yi)試(shi)樣(yang)檢(jian)(jian)(jian)測(ce)數(shu)據(ju)考核地(di)(di)面(mian)(mian)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)。高(gao)分(fen)子(zi)(zi)(zi)聚合物型(xing)地(di)(di)面(mian)(mian)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)質(zhi)(zhi)(zhi)(zhi)量(liang)檢(jian)(jian)(jian)驗(yan)(yan)現場可(ke)檢(jian)(jian)(jian)測(ce)數(shu)據(ju)的有(you)涂層光(guang)澤、色澤偏(pian)差、表面(mian)(mian)硬(ying)度(du)(du)(du)(鉛筆硬(ying)度(du)(du)(du))、附著(zhu)力(li)(劃格法)、耐磨性(xing)監(jian)理(li)(li)到場,現場按檢(jian)(jian)(jian)測(ce)試(shi)樣(yang)對照備查(cha)。

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