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塑膠PU球場施工方案

2011-12-28 14:29:29  來源:塑膠PU球場施工  字號:【69免費視頻:  69免費視頻:  69免費視頻:】  瀏覽:26

性能特點

1.專(zhuan)業(ye)性能:獨特的雙(shuang)層結構(gou),具有良(liang)好的減(jian)震(zhen)和 回彈(dan)性,既可(ke)使運(yun)動(dong)員(yuan)迅捷起(qi)動(dong),又(you)可(ke)緩解運(yun)動(dong)中(zhong)的沖(chong)擊(ji)力,安全舒(shu)適(shi),為運(yun)動(dong)員(yuan)提(ti)供了安全的運(yun)動(dong)場地,是(shi)專(zhuan)業(ye)球(qiu)場的首選材料。

2.環保(bao)(bao)(bao)性能:該材料用水做固化劑(ji),不含(han)有(you)笨類、游離異氰酸酯(zhi)類、醉醛類等(deng)有(you)毒成(cheng)份,在(zai)施工過程(cheng)中不加入任何有(you)毒或(huo)重金(jin)屬成(cheng)份物質,是真正的環保(bao)(bao)(bao)產品(pin),完全符合國(guo)家(jia)環保(bao)(bao)(bao)要求。

3.實用性能(neng):該材料(liao)色澤美觀、耐(nai)磨(mo)、防(fang)滑、耐(nai)老(lao)化、不受氣候條件的影(ying)響,是全天(tian)候的球場(chang)材料(liao),并能(neng)在瀝青混(hun)凝土(tu)基礎或水泥混(hun)凝土(tu)基礎面上施(shi)工,施(shi)工簡(jian)易,維護方便。

4.適(shi)(shi)用(yong)范(fan)圍(wei):適(shi)(shi)用(yong)于(yu)室(shi)內室(shi)外籃(lan)球(qiu)(qiu)場、網球(qiu)(qiu)場、排球(qiu)(qiu)場、羽(yu)毛球(qiu)(qiu)場、手球(qiu)(qiu)場、乒乓球(qiu)(qiu)場等球(qiu)(qiu)類(lei)場地的地面施工,還可用(yong)于(yu)體閑(xian)區、健(jian)身房(fang)、康(kang)體活動場地等地面的施工。

PU球(qiu)(qiu)場(chang)(chang)(chang)被廣(guang)泛運(yun)用于籃球(qiu)(qiu)場(chang)(chang)(chang)、網球(qiu)(qiu)場(chang)(chang)(chang)、羽毛球(qiu)(qiu)場(chang)(chang)(chang)等(deng)運(yun)動場(chang)(chang)(chang)所,PU球(qiu)(qiu)場(chang)(chang)(chang)施(shi)(shi)工(gong)方(fang)(fang)案(an)(an)大致(zhi)相同(tong),針對不同(tong)的基礎底面具(ju)體(ti)(ti)施(shi)(shi)工(gong)方(fang)(fang)法也不一樣,具(ju)體(ti)(ti)施(shi)(shi)工(gong)細節應(ying)結合(he)實際施(shi)(shi)工(gong)要求而定。PU球(qiu)(qiu)場(chang)(chang)(chang)施(shi)(shi)工(gong)方(fang)(fang)案(an)(an)具(ju)體(ti)(ti)如(ru)下:

一、基礎處理

1、  新水泥混凝土(tu)基礎:

(1)     基(ji)(ji)礎(chu)(chu)要求:堅實平(ping)(ping)整(zheng)(zheng)(平(ping)(ping)整(zheng)(zheng)度(du)(du)要求:3m直(zhi)尺誤(wu)差不(bu)(bu)(bu)(bu)大(da)于(yu)3mm),有一(yi)定排水(shui)(shui)坡(po)度(du)(du)(一(yi)般橫向(xiang)不(bu)(bu)(bu)(bu)大(da)于(yu)40/00,縱向(xiang)不(bu)(bu)(bu)(bu)大(da)于(yu)20/00,必須保(bao)(bao)證(zheng)泄水(shui)(shui)),強度(du)(du)達建筑混凝土標準C25強度(du)(du),澆制(zhi)(zhi)后(hou)保(bao)(bao)水(shui)(shui)養(yang)護(hu)不(bu)(bu)(bu)(bu)少(shao)(shao)于(yu)7天,整(zheng)(zheng)體固(gu)化養(yang)護(hu)期不(bu)(bu)(bu)(bu)少(shao)(shao)于(yu)28天(保(bao)(bao)證(zheng)水(shui)(shui)泥的固(gu)化時間(jian),讓水(shui)(shui)泥在(zai)固(gu)化過程中(zhong)(zhong)產生的白色粉末完全析(xi)出于(yu)基(ji)(ji)礎(chu)(chu)表面)。新水(shui)(shui)泥基(ji)(ji)礎(chu)(chu)澆制(zhi)(zhi)后(hou)必須切(qie)(qie)割(ge)(ge)合(he)理溫(wen)度(du)(du)伸縮縫(feng)(feng),原則(ze)以不(bu)(bu)(bu)(bu)大(da)于(yu)6x10m為一(yi)方塊(kuai)切(qie)(qie)割(ge)(ge),若(ruo)分板塊(kuai)澆制(zhi)(zhi)的板塊(kuai)間(jian)必須切(qie)(qie)割(ge)(ge)溫(wen)度(du)(du)縫(feng)(feng),切(qie)(qie)割(ge)(ge)溫(wen)度(du)(du)縫(feng)(feng)要求寬為6~8mm,深(shen)度(du)(du)不(bu)(bu)(bu)(bu)少(shao)(shao)于(yu)30mm,(保(bao)(bao)證(zheng)基(ji)(ji)礎(chu)(chu)熱脹冷縮能集中(zhong)(zhong)在(zai)溫(wen)度(du)(du)縫(feng)(feng)中(zhong)(zhong)變化,不(bu)(bu)(bu)(bu)會(hui)導致基(ji)(ji)礎(chu)(chu)其它(ta)地方開裂(lie))。

(2)     基(ji)礎處理:(磨縫—酸洗—底涂—填縫—找平、修(xiu)補)

a、磨縫(feng):把溫(wen)度(du)縫(feng)兩邊的(de)基(ji)面各(ge)寬(kuan)40~50mm磨成(cheng)斜口深3mm(如圖(1)示),使溫(wen)度(du)縫(feng)表(biao)面成(cheng)“V”型,(各(ge)40~50寬(kuan)是提高填縫(feng)膠與(yu)基(ji)面的(de)粘接(jie)面積,增加其粘接(jie)力,3mm深是保證填縫(feng)膠厚度(du)而不(bu)占用(yong)彈(dan)性(xing)層的(de)位置,保證整體的(de)緩沖性(xing)好,使基(ji)礎(chu)的(de)熱脹冷縮不(bu)影(ying)響硅PU表(biao)面)。

b、酸洗(xi)(xi):用清水(shui)(shui)濕潤基(ji)礎(chu)(防(fang)止稀鹽(yan)酸滲入基(ji)礎(chu)里面),以濃度為8%左(zuo)右的稀鹽(yan)酸均勻潑灑并(bing)洗(xi)(xi)刷基(ji)面,再(zai)用清水(shui)(shui)沖洗(xi)(xi)干凈(jing)(一般沖洗(xi)(xi)兩(liang)遍),洗(xi)(xi)完干燥后(hou)要求(qiu)基(ji)面水(shui)(shui)泥原色,無白色粉(fen)化(hua)物(wu)及浮松(song)物(wu)。在酸洗(xi)(xi)過程中(zhong)要圈出積水(shui)(shui)位并(bing)做(zuo)標識標記。               

C、底(di)涂(tu)(tu)(tu):基(ji)礎(chu)(chu)足夠干燥后(hou)(hou)用專用底(di)涂(tu)(tu)(tu)(TB-201)分(fen)多道滾涂(tu)(tu)(tu)于基(ji)面(mian)(mian),原(yuan)則以(yi)(yi)涂(tu)(tu)(tu)刷(shua)后(hou)(hou)基(ji)面(mian)(mian)形成(cheng)光亮(liang)膜為(wei)止(zhi),不足處必須(xu)補涂(tu)(tu)(tu)至(zhi)足夠為(wei)止(zhi),(底(di)涂(tu)(tu)(tu)的作(zuo)用為(wei)滲(shen)透進(jin)基(ji)礎(chu)(chu)的微(wei)細(xi)孔(kong)內,固(gu)化后(hou)(hou)起(qi)堵(du)塞地下水氣(qi)及加(jia)固(gu)基(ji)面(mian)(mian);形成(cheng)光亮(liang)膜是(shi)保證基(ji)礎(chu)(chu)的微(wei)細(xi)孔(kong)完(wan)全堵(du)塞),應避免(mian)在烈(lie)日(ri)下或(huo)基(ji)礎(chu)(chu)溫度(du)較(jiao)高情況下(>450C)施工以(yi)(yi)保證底(di)涂(tu)(tu)(tu)漆(qi)的滲(shen)透性(xing)(無(wu)霧雨天氣(qi)的早上或(huo)傍晚較(jiao)適(shi)宜)。在基(ji)礎(chu)(chu)表(biao)面(mian)(mian)強度(du)<C20或(huo)表(biao)面(mian)(mian)較(jiao)松散時(shi),可(ke)用TB-201加(jia)1倍稀(xi)釋劑(二甲苯或(huo)醋酸乙酯(zhi))稀(xi)釋后(hou)(hou)厚涂(tu)(tu)(tu)于基(ji)面(mian)(mian)(增強其滲(shen)透性(xing),增加(jia)TB-201滲(shen)入深度(du))直到(dao)(dao)表(biao)面(mian)(mian)形成(cheng)光亮(liang)膜為(wei)止(zhi),使基(ji)礎(chu)(chu)表(biao)面(mian)(mian)得以(yi)(yi)達到(dao)(dao)施工要(yao)求。&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP; < DIV>

d 、填(tian)(tian)(tian)縫:底涂固化(hua)后(hou),同填(tian)(tian)(tian)縫膠加(jia)10%-20%稀釋劑(二甲苯或醋酸乙酯)稀釋后(hou)用毛刷(shua)(shua)涂刷(shua)(shua)于(yu)溫度(du)縫內(nei)兩側,然(ran)后(hou)填(tian)(tian)(tian)縫泡(pao)棉(mian)對折(zhe)輕擠滿溫度(du)縫(填(tian)(tian)(tian)縫泡(pao)棉(mian)是可拉伸、可壓縮(suo)的,有效減少(shao)基礎熱脹冷縮(suo)變化(hua)影響(xiang)表面外觀(guan))露出部分(fen)填(tian)(tian)(tian)縫泡(pao)棉(mian)用手提(ti)磨(mo)機磨(mo)平,再(zai)用填(tian)(tian)(tian)縫膠分(fen)兩道以上把“V”型槽填(tian)(tian)(tian)平(一次填(tian)(tian)(tian)的厚度(du)不大于(yu)1.0mm,太厚會(hui)發泡(pao),影響(xiang)填(tian)(tian)(tian)縫膠的性(xing)能)。(如圖(2)示)        

e、找平(ping)、修(xiu)補(bu):在(zai)酸(suan)洗過(guo)(guo)程中(zhong)圈出(chu)(chu)的(de)(de)積水地方(fang),積水涂度不超(chao)(chao)過(guo)(guo)5mm的(de)(de)用(yong)彈(dan)性(xing)層(ceng)(TB-002)加面(mian)層(ceng)專用(yong)砂(sha)按1:1(重量比(bi)),再(zai)加適量稀釋劑(ji)攪(jiao)拌均勻(yun)并調節至適合施工(gong)稠度,用(yong)直尺或刮板涂刮找平(ping)積水處;若(ruo)(ruo)積水深度超(chao)(chao)過(guo)(guo)5mm的(de)(de)地方(fang),應用(yong)TB-002薄涂一道于積水處,再(zai)用(yong)底涂(TB-201)加40~80目砂(sha)按1:6~8(重量比(bi))拌和均勻(yun),平(ping)整(zheng)攤鋪于積水處并壓實,(薄涂TB-002作用(yong)為保證修(xiu)補(bu)料與基(ji)面(mian)粘結牢固(gu);若(ruo)(ruo)砂(sha)粒較細>80目,加入量要相應減少)修(xiu)補(bu)時注(zhu)意修(xiu)邊不要讓(rang)修(xiu)補(bu)后(hou)的(de)(de)邊高出(chu)(chu)基(ji)面(mian),若(ruo)(ruo)有高出(chu)(chu)需在(zai)固(gu)化后(hou)打磨平(ping)整(zheng)后(hou)才(cai)能進行(xing)彈(dan)性(xing)層(ceng)施工(gong)。

2、舊水泥混凝土基礎:

(1)     基(ji)礎(chu)要(yao)求:堅(jian)實、平整、無下(xia)沉板塊,斷(duan)裂縫不(bu)超10mm寬,若沒有(you)切割合理溫(wen)度縫,必須按新水泥(ni)(ni)基(ji)礎(chu)要(yao)求切割溫(wen)度縫。若基(ji)礎(chu)有(you)下(xia)沉或極不(bu)平整、斷(duan)裂縫過寬過多(duo)等現象(xiang),建(jian)議重新用瀝青混凝土(tu)(>40mm厚)或水泥(ni)(ni)混凝土(tu)(>50mm厚)鋪設(she)找平基(ji)礎(chu)。                 

(2)     基礎(chu)(chu)處理(li):基本按(an)新(xin)水(shui)(shui)泥混凝(ning)土基礎(chu)(chu)處理(li)方法處理(li)。若(ruo)基礎(chu)(chu)有裂縫(feng)超過2mm寬(kuan)的,應用切(qie)割機(ji)擴寬(kuan)列(lie)6~8mm,按(an)新(xin)水(shui)(shui)泥基礎(chu)(chu)要求磨(mo)縫(feng)、填縫(feng);若(ruo)寬(kuan)度(du)少(shao)于2mm的把縫(feng)表(biao)面磨(mo)成“V”字型(xing),厚度(du)50mm,深度(du)3mm,直接用填縫(feng)膠(jiao)分(fen)多道填平即(ji)可。(如(ru)圖(3)示)

3、瀝(li)青基礎:

(1)     基(ji)礎(chu)要求:表面均勻堅實(shi)、無(wu)(wu)(wu)油污(wu)、無(wu)(wu)(wu)未攪拌(ban)開(kai)的瀝(li)青(qing)塊,平整無(wu)(wu)(wu)裂(lie)紋,無(wu)(wu)(wu)爛邊(bian)堆(dui)擠,無(wu)(wu)(wu)麻面,接(jie)縫平順光滑,無(wu)(wu)(wu)阻水(shui)(shui)現(xian)象,壓(ya)實(shi)密實(shi)度(du)不少于95%,在中型碾壓(ya)機壓(ya)過(guo)后,無(wu)(wu)(wu)顯著(zhu)輪跡,無(wu)(wu)(wu)發(fa)軟起皮,無(wu)(wu)(wu)松散浮土、波浪等現(xian)象,平整度(du)為3mm直尺誤差(cha)小于3mm,平整度(du)合格率大于90%,有(you)一(yi)定排(pai)水(shui)(shui)坡(po)度(du),保(bao)證泄水(shui)(shui)。新(xin)瀝(li)青(qing)基(ji)礎(chu)自然養護(hu)不少于28天,使瀝(li)青(qing)中高沸點(dian)揮(hui)(hui)發(fa)物揮(hui)(hui)發(fa)完全,保(bao)證硅PU材料與基(ji)礎(chu)有(you)良好的粘結.                      

(2)基礎處理:       

     A、清(qing)洗(xi): 用洗(xi)衣粉水液(ye)(ye)或洗(xi)潔精水液(ye)(ye),清(qing)洗(xi)基(ji)面,再用清(qing)水沖洗(xi)干(gan)凈,清(qing)洗(xi)后(hou)的基(ji)礎應(ying)無臟污物及(ji)其它浮松雜物。清(qing)洗(xi)時要標(biao)好(hao)積水位的標(biao)識標(biao)記 。        

B、找平(ping): 用(yong)專業(ye)底層TB-202按A組(zu)(zu):B組(zu)(zu)=1:2.5(重量比)比例攪拌均勻(可加(jia)水調(diao)節施工(gong)稠度),用(yong)膠刮板分兩道以上刮涂于基(ji)(ji)面,要求必須把基(ji)(ji)面的空隙(xi)填(tian)平(ping),密(mi)封,保證干固(gu)后沒有針孔,表面平(ping)整。不(bu)影響后面施工(gong),若(ruo)基(ji)(ji)面空隙(xi)較大(da),第  一道刮涂時(shi)可加(jia)入A組(zu)(zu)份同等份量的細砂(sha)(40~80目),攪拌均勻后刮涂。                  

C、積水找平修補:按新水泥基礎要求處理(li)。                  

     二、PU材(cai)料施工(彈(dan)(dan)性層→加(jia)彈(dan)(dan)層→面層→劃線)

1、  彈性(xing)(xing)層:彈性(xing)(xing)層施工(gong)前(qian)應(ying)仔細檢(jian)查(cha)確認基礎處理完后(hou)方能(neng)進行彈性(xing)(xing)層施工(gong),彈性(xing)(xing)層(TB-002)為單組(zu)份材料,只需用(yong)稀釋(shi)(shi)劑調節(jie)合適施工(gong)稠度(du),用(yong)齒刮(gua)(gua)板涂(tu)于(yu)基面, 每道涂(tu)刮(gua)(gua)厚度(du)不(bu)能(neng)超過2.0mm,每道涂(tu)刮(gua)(gua)時(shi)(shi)間間隔(ge)以(yi)(yi)(yi)前(qian)一(yi)道干固(gu)為準(一(yi)般約10小時(shi)(shi),  具(ju)體視(shi)現場(chang)天(tian)氣(qi)情況(kuang)而定)直(zhi)至涂(tu)刮(gua)(gua)至所需厚度(du)。涂(tu)刮(gua)(gua)時(shi)(shi)注意(yi)流(liu)平效果(guo),若不(bu)能(neng)流(liu)平刮(gua)(gua)齒痕跡,需多加稀釋(shi)(shi)劑以(yi)(yi)(yi)保證表(biao)面流(liu)平。若氣(qi)溫較(jiao)低(di)(<10℃=以(yi)(yi)(yi)及相對濕度(du)較(jiao)低(di)(<60%=,需加入(3~8%)水(shui)攪拌均勻后(hou)涂(tu)刮(gua)(gua),以(yi)(yi)(yi)加速材料固(gu)化,減少(shao)間隔(ge)時(shi)(shi)間,具(ju)體加水(shui)量視(shi)現場(chang)天(tian)氣(qi)而定,應(ying)避免在(zai)猛烈(lie)陽光照射(she)下施工(gong)。彈性(xing)(xing)層干固(gu)后(hou),用(yong)積(ji)水(shui)法測(ce)試表(biao)面平整度(du),積(ji)水(shui)處用(yong)TB-002修補平整,表(biao)面若有粒狀雜物或堆積(ji)處需用(yong)磨機或其它(ta)工(gong)具(ju)修整平后(hou)才能(neng)進行加強層施工(gong)。

2、  加強(qiang)層(ceng):加強(qiang)層(ceng)(TB-003)為單(dan)組份材料,施(shi)工(gong)方法(fa)與(yu)彈性層(ceng)一致(zhi)。若(ruo)加強(qiang)層(ceng)設(she)計(ji)較(jiao)薄(bo)(小于1mm),齒刮涂刮難以(yi)流平(ping)(ping)的(de),可(ke)用膠刮板分多道(dao)刮涂,必須保證(zheng)刮涂后表面光滑平(ping)(ping)整。在(zai)施(shi)工(gong)過程中(zhong)若(ruo)有(you)雜物混入或刮涂有(you)不平(ping)(ping)整處需修整平(ping)(ping)滑后才能(neng)進行面層(ceng)施(shi)工(gong)。

3、  面(mian)(mian)層(ceng):面(mian)(mian)層(ceng)(TB-205)為雙(shuang)組(zu)份(fen)水(shui)性(xing)材料,必須按規定比(bi)(bi)(bi)例(A組(zu):B組(zu)=9:1(重(zhong)量比(bi)(bi)(bi)))把兩組(zu)份(fen)充分攪(jiao)拌(ban)均勻(yun),(配比(bi)(bi)(bi)不(bu)(bu)準會影響(xiang)面(mian)(mian)層(ceng)的(de)(de)固化(hua)效果,直接(jie)影響(xiang)面(mian)(mian)層(ceng)的(de)(de)使用(yong)(yong)性(xing)能)加(jia)(jia)(jia)(jia)水(shui)稀釋施(shi)工(gong)稠度,一(yi)般加(jia)(jia)(jia)(jia)入(ru)50~80%(TB-205重(zhong)量計(ji)算,根(gen)據(ju)現場實際情況而定),用(yong)(yong)專用(yong)(yong)噴(pen)(pen)槍分多道(dao)噴(pen)(pen)涂(tu)(tu)于加(jia)(jia)(jia)(jia)強層(ceng)面(mian)(mian)上。需表面(mian)(mian)粗糙的(de)(de)加(jia)(jia)(jia)(jia)入(ru)專用(yong)(yong)砂(sha)(sha)(sha)(sha)進行噴(pen)(pen)涂(tu)(tu)便可(ke)。最(zui)低溫(wen)度低于5℃不(bu)(bu)適宜(yi)施(shi)工(gong),施(shi)工(gong)后保(bao)持10小時(shi)(shi)無水(shui)浸泡。各(ge)類球(qiu)場面(mian)(mian)層(ceng)參考做法: A、  籃(lan)球(qiu)場:分三(san)道(dao)噴(pen)(pen)涂(tu)(tu),第(di)(di)一(yi)、二道(dao)加(jia)(jia)(jia)(jia)15%(TB-205重(zhong)量計(ji)算)專用(yong)(yong)砂(sha)(sha)(sha)(sha),每道(dao)TB-205用(yong)(yong)量約(yue)為0.15kg,第(di)(di)三(san)道(dao)不(bu)(bu)加(jia)(jia)(jia)(jia)砂(sha)(sha)(sha)(sha)(用(yong)(yong)量約(yue)為0.1kg),加(jia)(jia)(jia)(jia)砂(sha)(sha)(sha)(sha)時(shi)(shi),應先將A組(zu)份(fen)與專用(yong)(yong)砂(sha)(sha)(sha)(sha)攪(jiao)拌(ban)均勻(yun),再(zai)加(jia)(jia)(jia)(jia)入(ru)B組(zu)份(fen)攪(jiao)拌(ban)均勻(yun),再(zai)加(jia)(jia)(jia)(jia)水(shui)稀釋;三(san)秒禁區(qu)應做三(san)道(dao)加(jia)(jia)(jia)(jia)砂(sha)(sha)(sha)(sha)的(de)(de),一(yi)道(dao)不(bu)(bu)加(jia)(jia)(jia)(jia)砂(sha)(sha)(sha)(sha)(共四道(dao))B、  網球(qiu)場:分三(san)道(dao)噴(pen)(pen)涂(tu)(tu),第(di)(di)一(yi)道(dao)加(jia)(jia)(jia)(jia)50%砂(sha)(sha)(sha)(sha),第(di)(di)二道(dao)加(jia)(jia)(jia)(jia)50%砂(sha)(sha)(sha)(sha),第(di)(di)三(san)道(dao)不(bu)(bu)加(jia)(jia)(jia)(jia)砂(sha)(sha)(sha)(sha)。C、    羽毛(mao)球(qiu)、排球(qiu)場:不(bu)(bu)加(jia)(jia)(jia)(jia)砂(sha)(sha)(sha)(sha)噴(pen)(pen)涂(tu)(tu)三(san)道(dao)。

4、劃線(xian)(xian)按標(biao)準尺寸量度(du)定位,標(biao)出界(jie)線(xian)(xian)位置,用(yong)(yong)(yong)美(mei)紋(wen)紙(zhi)沿界(jie)線(xian)(xian)兩邊(bian)貼在球場(chang)上(shang),用(yong)(yong)(yong)專用(yong)(yong)(yong)劃線(xian)(xian)漆(TB—207)涂(tu)刷(shua)于美(mei)紋(wen)紙(zhi)間,待表面(mian)干后撕掉美(mei)紋(wen)紙(zhi)。TB—207為雙組(zu)份(fen)材料,必(bi)須(xu)按規定比例(li)(A:B=9:1)把A、B兩組(zu)份(fen)充(chong)分(fen)混合均勻,分(fen)兩道涂(tu)刷(shua)。若球場(chang)表面(mian)為粗糙面(mian),第一道可加20%面(mian)層專用(yong)(yong)(yong)砂涂(tu)刷(shua),以防滲邊(bian)。

5、注意(yi)事項(xiang):

a、調配材料(liao)時必須稱量準確并(bing)攪(jiao)拌均勻。

b、施(shi)工(gong)整過(guo)程每一道工(gong)序施(shi)工(gong)前必(bi)須保持表面清潔。

c、室內場地(di)必須保證良好的通風效果。

d、場地鋪設(she)后(hou)需保持5天(tian)以上才能投入(ru)使用。

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