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硅PU球場施工工藝多種情況分析指導方案(二)

2012-01-05 11:31:34  來源:硅PU施工方案  字號:【69免費視頻:  69免費視頻:  69免費視頻:】  瀏覽:43

  新水泥混凝土基礎

   1、基礎要求

    強(qiang)度(du)達建筑混凝土C20強(qiang)度(du)以(yi)上,平(ping)整度(du)為(wei)3m直尺(chi)誤(wu)差≤3mm,有一(yi)定排(pai)水(shui)坡度(du)(一(yi)般橫向≤8‰,縱向≤2‰),混凝土澆鑄后必須保水(shui)養護不少于(yu)7天,總養護期不少于(yu)28天.

   2、切割溫度縫

    新水泥基礎(chu)澆鑄后必(bi)須切(qie)(qie)割(ge)合理溫度(du)伸縮縫,原則以不大于6×10m為一方塊切(qie)(qie)割(ge),澆鑄施(shi)工板(ban)塊間必(bi)須切(qie)(qie)割(ge)溫度(du)縫,溫度(du)縫寬為5~8 mm,縫深(shen)不少于20 mm,(150 mm厚(hou)以上混凝土基礎(chu)縫深(shen)不少于30 mm),以保證基礎(chu)熱脹(zhang)冷縮能(neng)集中(zhong)在(zai)溫度(du)縫中(zhong)變化,不導(dao)致基礎(chu)其它地方開(kai)裂。

   3、酸洗

    以清水(shui)潤濕基(ji)面,用(yong)8%左右的稀鹽酸潑灑并洗刷基(ji)面,再用(yong)清水(shui)沖洗干凈,并圈劃出積水(shui)處,清洗干燥后基(ji)面應無白色粉化物(wu)(wu)及浮松物(wu)(wu)。

   4、溫(wen)度(du)縫處理

    待基礎干燥后,用專用填縫膠涂刷于溫度縫兩側,再把可壓縮泡棉輕擠滿溫度縫(減少基礎熱賬冷縮對填縫材料擠壓變形而影響表面效果),露出基面部分用手提磨機打磨至與基面平整,再用填縫膠涂刷于溫度縫表面,寬為80~100 mm,厚度為1.5 mm,需分二道涂刷,(緩沖基礎冷縮時硅PU材料涂層的作用力)(如圖1),鋪設較薄場地(<3 mm厚),須把溫度縫兩邊基面(各40~50 mm)磨低1.5~2.0 mm后進行填縫處理(保證鋪設后的平整度)(如圖2)。
 

   5、底(di)涂(tu)

    基(ji)礎干燥后用(yong)專用(yong)底(di)漆(qi)(TB-201)滾(gun)涂(tu)于基(ji)面(mian),一般分兩道(dao)滾(gun)涂(tu),基(ji)礎密(mi)實(shi)度低的需多道(dao)滾(gun)涂(tu),原(yuan)則為涂(tu)刷后基(ji)面(mian)形成光亮(liang)連續膜為止(zhi)。底(di)漆(qi)作用(yong)為滲(shen)透(tou)于基(ji)面(mian)的微細孔內,起堵塞(sai)地(di)下(xia)水氣(qi)及加固基(ji)面(mian)作用(yong),形成光亮(liang)膜是保證基(ji)面(mian)的微細孔完全堵塞(sai),應避(bi)免烈(lie)日下(xia)或基(ji)面(mian)溫度過高(>50℃)情(qing)況(kuang)下(xia)施工,以保證底(di)漆(qi)的滲(shen)透(tou)性(xing)。

   6、積水處(chu)修補

    積水(shui)處(chu)積水(shui)深(shen)度不超過5 mm的(de)地方(fang)(fang)用(yong)(yong)彈性層(TB-002)加(jia)石(shi)英(ying)粉(fen)(或滑石(shi)粉(fen))按1:1(重(zhong)量比(bi)),加(jia)稀釋劑(二甲苯)攪(jiao)拌均(jun)勻,并調(diao)節至合適施(shi)工稠度,用(yong)(yong)直尺(chi)或刮板涂刮于積水(shui)處(chu);若(ruo)積水(shui)深(shen)度超過5 mm的(de)地方(fang)(fang),應用(yong)(yong)專用(yong)(yong)底漆(qi)(TB-201)加(jia)40~80目砂,按1:6~8(重(zhong)量比(bi))拌和均(jun)勻,平(ping)整攤鋪于積水(shui)處(chu)并壓實。修補(bu)時注意修邊,不要讓修補(bu)后的(de)邊高(gao)出(chu),若(ruo)有高(gao)出(chu)需打磨(mo)平(ping)整后方(fang)(fang)能(neng)進(jin)行彈性層施(shi)工。

硅PU層施工

1、彈性(xing)層(ceng)(ceng)及加強(qiang)層(ceng)(ceng)施工:

基礎刷涂(tu)(tu)(tu)完(wan)畢,底(di)涂(tu)(tu)(tu)及灌縫固化后(hou)(hou),即可(ke)進(jin)行(xing)彈(dan)(dan)性(xing)層(ceng)(ceng)(ceng)施(shi)工(gong)(gong)。用(yong)MB-201(硅PU彈(dan)(dan)性(xing)層(ceng)(ceng)(ceng)材(cai)(cai)料(liao)(liao))進(jin)行(xing)彈(dan)(dan)性(xing)層(ceng)(ceng)(ceng)施(shi)工(gong)(gong)。該材(cai)(cai)料(liao)(liao)屬于(yu)單組份材(cai)(cai)料(liao)(liao),根(gen)(gen)據不同的施(shi)工(gong)(gong)環境溫(wen)度(du)(du)配合(he)適度(du)(du)的稀(xi)釋(shi)劑(ji)配合(he)成(cheng)均勻的混合(he)溶液,用(yong)刮(gua)(gua)(gua)板進(jin)行(xing)刮(gua)(gua)(gua)涂(tu)(tu)(tu),用(yong)量大(da)約1.5公斤/平(ping)米。刮(gua)(gua)(gua)涂(tu)(tu)(tu)的同時(shi)(shi),均勻的撒一層(ceng)(ceng)(ceng)石英砂(sha),用(yong)量大(da)約0.3-0.4公斤/平(ping)米。固化后(hou)(hou),用(yong)同樣的方法用(yong)MB-201(硅PU彈(dan)(dan)性(xing)層(ceng)(ceng)(ceng)材(cai)(cai)料(liao)(liao))進(jin)行(xing)加強層(ceng)(ceng)(ceng)施(shi)工(gong)(gong)。每遍刮(gua)(gua)(gua)涂(tu)(tu)(tu)時(shi)(shi)要(yao)注意表面(mian)(mian)的平(ping)整(zheng)度(du)(du)、美觀度(du)(du)和(he)清(qing)潔(jie)度(du)(du),若有鞋或其他物品帶入的泥土等臟污時(shi)(shi),要(yao)用(yong)打(da)磨機將弄臟的表面(mian)(mian)進(jin)行(xing)打(da)磨,去(qu)除污面(mian)(mian)后(hou)(hou),再進(jin)行(xing)下道施(shi)工(gong)(gong),所以(yi)(yi)建議施(shi)工(gong)(gong)時(shi)(shi)赤(chi)腳或只穿干凈的襪子進(jin)入施(shi)工(gong)(gong)面(mian)(mian)。此項不進(jin)行(xing),很可(ke)能造成(cheng)脫層(ceng)(ceng)(ceng)。在(zai)施(shi)工(gong)(gong)不緊的情況下,分三(san)(san)次刮(gua)(gua)(gua)涂(tu)(tu)(tu)效果(guo)更(geng)好(hao)。分三(san)(san)次刮(gua)(gua)(gua)涂(tu)(tu)(tu)的,石英砂(sha)可(ke)以(yi)(yi)用(yong)撒的方法。由于(yu)MB201和(he)MB202兩(liang)種材(cai)(cai)料(liao)(liao)可(ke)以(yi)(yi)通用(yong),所以(yi)(yi)分三(san)(san)次批刮(gua)(gua)(gua)時(shi)(shi)可(ke)以(yi)(yi)每次用(yong)1公斤/平(ping)米。注意,每一遍刮(gua)(gua)(gua)涂(tu)(tu)(tu)固化后(hou)(hou)在(zai)進(jin)行(xing)下次刮(gua)(gua)(gua)涂(tu)(tu)(tu),稀(xi)釋(shi)劑(ji)都(dou)要(yao)根(gen)(gen)據具體情況適量添加。

2、面層施工:

MB-301(硅(gui)PU面(mian)(mian)層(ceng)涂(tu)(tu)(tu)(tu)料)為(wei)單組份材料,開桶即可滾涂(tu)(tu)(tu)(tu),滾涂(tu)(tu)(tu)(tu)方法和(he)底(di)涂(tu)(tu)(tu)(tu)類(lei)似。也可以使用(yong)專用(yong)噴涂(tu)(tu)(tu)(tu)設備進行面(mian)(mian)層(ceng)噴涂(tu)(tu)(tu)(tu),效果更(geng)好,不會有滾刷(shua)(shua)刷(shua)(shua)涂(tu)(tu)(tu)(tu)痕(hen)跡。由于(yu)噴涂(tu)(tu)(tu)(tu)的噴槍(qiang)口徑一(yi)般比(bi)(bi)較小(xiao),噴涂(tu)(tu)(tu)(tu)用(yong)面(mian)(mian)涂(tu)(tu)(tu)(tu)在將材料倒(dao)入(ru)容(rong)器(qi)時(shi),容(rong)器(qi)上最好加(jia)一(yi)個細(xi)網篩,把面(mian)(mian)涂(tu)(tu)(tu)(tu)材料中(zhong)容(rong)易阻塞噴槍(qiang)口的大粒液篩掉。面(mian)(mian)層(ceng)分亞(ya)(ya)(ya)光和(he)明光兩種,由于(yu)明光對運動員的刺激比(bi)(bi)較大,一(yi)般建議用(yong)亞(ya)(ya)(ya)光面(mian)(mian)涂(tu)(tu)(tu)(tu)。若需要(yao)明光的面(mian)(mian)層(ceng),直接(jie)刷(shua)(shua)涂(tu)(tu)(tu)(tu)或(huo)噴涂(tu)(tu)(tu)(tu)硅(gui)PU面(mian)(mian)涂(tu)(tu)(tu)(tu)即可,若需要(yao)亞(ya)(ya)(ya)光效果,需要(yao)在面(mian)(mian)涂(tu)(tu)(tu)(tu)中(zhong)加(jia)入(ru)50%亞(ya)(ya)(ya)光劑,再進行滾涂(tu)(tu)(tu)(tu)或(huo)刷(shua)(shua)涂(tu)(tu)(tu)(tu)。一(yi)般分兩次,第(di)一(yi)遍(bian)用(yong)料盡(jin)量少一(yi)點,0.1-0.15公斤(jin)/平(ping)米,總(zong)用(yong)料大約0.3公斤(jin)/平(ping)米。

3、竣工策測劃比賽用線(xian)。

按(an)要求尺寸定位(wei)放(fang)線,用硅PU專用劃(hua)線漆按(an)照規定寬度進行劃(hua)線,比例為1:6.

硅PU球場施工

(彈性層→加彈層→面層→劃線)

1、             彈(dan)性層:

彈性(xing)層(ceng)施(shi)工(gong)(gong)(gong)前應仔(zi)細(xi)檢查確認基礎處(chu)(chu)理完后(hou)(hou)方能進行彈性(xing)層(ceng)施(shi)工(gong)(gong)(gong),彈性(xing)層(ceng)(TB-002)為單(dan)組份(fen)材(cai)料,只需用(yong)(yong)稀釋劑調節合適(shi)施(shi)工(gong)(gong)(gong)稠度,用(yong)(yong)齒(chi)刮(gua)板(ban)涂(tu)于基面(mian)(mian),每(mei)道涂(tu)刮(gua)厚度不能超過(guo)2.0mm,每(mei)道涂(tu)刮(gua)時間(jian)間(jian)隔(ge)以前一(yi)道干固為準(一(yi)般約10小時,  具(ju)體視現(xian)場天(tian)氣(qi)(qi)情況(kuang)而定(ding))直至涂(tu)刮(gua)至所需厚度。涂(tu)刮(gua)時注意流(liu)平效果,若(ruo)不能流(liu)平刮(gua)齒(chi)痕跡(ji),需多加(jia)(jia)稀釋劑以保(bao)證表(biao)面(mian)(mian)流(liu)平。若(ruo)氣(qi)(qi)溫較低(<10℃以及(ji)相(xiang)對濕度較低<60%=,需加(jia)(jia)入(3~8%)水(shui)攪拌均勻后(hou)(hou)涂(tu)刮(gua),以加(jia)(jia)速材(cai)料固化(hua),減少間(jian)隔(ge)時間(jian),具(ju)體加(jia)(jia)水(shui)量(liang)視現(xian)場天(tian)氣(qi)(qi)而定(ding),應避免在猛然陽光照(zhao)射下施(shi)工(gong)(gong)(gong)。彈性(xing)層(ceng)干固后(hou)(hou),用(yong)(yong)積(ji)水(shui)法測試表(biao)面(mian)(mian)平整度,積(ji)水(shui)處(chu)(chu)用(yong)(yong)TB-002修(xiu)補平整,表(biao)面(mian)(mian)若(ruo)有粒狀雜物或堆積(ji)處(chu)(chu)需用(yong)(yong)磨機或其它(ta)工(gong)(gong)(gong)具(ju)修(xiu)整平后(hou)(hou)才能進行加(jia)(jia)強(qiang)層(ceng)施(shi)工(gong)(gong)(gong)。

2、            加強(qiang)層:

加強層(ceng)(TB-003)為單組份(fen)材料,施(shi)工方(fang)法與彈性層(ceng)一致。若加強層(ceng)設計較薄(小于1mm),齒刮(gua)(gua)涂(tu)難以流平的,可用膠刮(gua)(gua)板分多道刮(gua)(gua)涂(tu),必須保(bao)證刮(gua)(gua)涂(tu)后(hou)表面(mian)光(guang)滑平整(zheng)。在施(shi)工過程中若有(you)雜物混入或刮(gua)(gua)涂(tu)有(you)不平整(zheng)處(chu)需修整(zheng)平滑后(hou)才能進行面(mian)層(ceng)施(shi)工。

3、            面層:

面(mian)(mian)層(TB-205)為雙組(zu)份水(shui)性材料(liao),必須(xu)按規(gui)定(ding)比例(A組(zu):B組(zu)=9:1(重(zhong)量比))把兩組(zu)份充分(fen)攪(jiao)拌均勻,(配比不(bu)準會影響(xiang)面(mian)(mian)層的固化效果,直接影響(xiang)面(mian)(mian)層的使用(yong)(yong)性能)加(jia)(jia)水(shui)稀釋(shi)(shi)施工稠度,一般加(jia)(jia)入50~80%(TB-205重(zhong)量計算,根據(ju)現場實際情況而定(ding)),用(yong)(yong)專(zhuan)用(yong)(yong)噴(pen)槍分(fen)多道(dao)噴(pen)涂(tu)于加(jia)(jia)強(qiang)層面(mian)(mian)上。需表(biao)面(mian)(mian)粗糙的加(jia)(jia)入專(zhuan)用(yong)(yong)砂(sha)(sha)進行噴(pen)涂(tu)便可。最低溫度低于5℃不(bu)適宜(yi)施工,施工后(hou)保持10小時無水(shui)浸(jin)泡。球場面(mian)(mian)層做法: 分(fen)三道(dao)噴(pen)涂(tu),第一、二道(dao)加(jia)(jia)15%(TB-205重(zhong)量計算)專(zhuan)用(yong)(yong)砂(sha)(sha),每道(dao)TB-205用(yong)(yong)量約(yue)為0.15kg,第三道(dao)不(bu)加(jia)(jia)砂(sha)(sha)(用(yong)(yong)量約(yue)為0.1kg),加(jia)(jia)砂(sha)(sha)時,應先將(jiang)A組(zu)份與專(zhuan)用(yong)(yong)砂(sha)(sha)攪(jiao)拌均勻,再(zai)(zai)加(jia)(jia)入B組(zu)份攪(jiao)拌均勻,再(zai)(zai)加(jia)(jia)水(shui)稀釋(shi)(shi);三秒(miao)禁區應做三道(dao)加(jia)(jia)砂(sha)(sha)的,一道(dao)不(bu)加(jia)(jia)砂(sha)(sha)(共四道(dao))

4、        劃線(xian):

按標(biao)準尺寸(cun)量度定(ding)位,標(biao)出界線(xian)(xian)位置,用(yong)美紋紙(zhi)(zhi)沿界線(xian)(xian)兩(liang)邊(bian)貼在球場上,用(yong)專(zhuan)(zhuan)用(yong)劃線(xian)(xian)漆(TB—207)涂(tu)刷于美紋紙(zhi)(zhi)間,待表面干后撕掉美紋紙(zhi)(zhi)。TB—207為(wei)雙組(zu)份材料,必須(xu)按規定(ding)比例(A:B=9:1)把A、B兩(liang)組(zu)份充分混合均勻,分兩(liang)道涂(tu)刷。若(ruo)球場表面為(wei)粗糙(cao)面,第一道可(ke)加20%面層專(zhuan)(zhuan)用(yong)砂涂(tu)刷,以防(fang)滲邊(bian)。 

厚度:   3毫米。

顏色(se):   紅色(se)、綠色(se)、藍色(se)、灰色(se)。

硅PU球場施工

一、基礎處理

1、        水泥(ni)混凝土基礎(chu):

(1)      基(ji)礎要求(qiu):

堅實平(ping)整(平(ping)整度(du)(du)要(yao)求(qiu)(qiu):3m直尺誤差不大于(yu)3mm),有(you)一定排水(shui)(shui)(shui)坡度(du)(du)(一般(ban)橫向(xiang)不大于(yu)40/00,縱向(xiang)不大于(yu)20/00,必須(xu)保(bao)證(zheng)泄水(shui)(shui)(shui)),強度(du)(du)達建筑(zhu)混凝(ning)土標準C25強度(du)(du),澆(jiao)制后(hou)保(bao)水(shui)(shui)(shui)養護(hu)不少(shao)于(yu)7天,整體(ti)固化(hua)(hua)養護(hu)期不少(shao)于(yu)28天(保(bao)證(zheng)水(shui)(shui)(shui)泥(ni)(ni)的固化(hua)(hua)時間(jian),讓水(shui)(shui)(shui)泥(ni)(ni)在固化(hua)(hua)過程(cheng)中(zhong)產生的白色(se)粉末完全析出于(yu)基(ji)礎(chu)表面)。新水(shui)(shui)(shui)泥(ni)(ni)基(ji)礎(chu)澆(jiao)制后(hou)必須(xu)切(qie)割合(he)理溫度(du)(du)伸(shen)縮縫(feng),原則以不大于(yu)6x10m為一方(fang)塊(kuai)切(qie)割,若(ruo)分板塊(kuai)澆(jiao)制的板塊(kuai)間(jian)必須(xu)切(qie)割溫度(du)(du)縫(feng),切(qie)割溫度(du)(du)縫(feng)要(yao)求(qiu)(qiu)寬為6~8mm,深度(du)(du)不少(shao)于(yu)30mm,(保(bao)證(zheng)基(ji)礎(chu)熱脹冷縮能集中(zhong)在溫度(du)(du)縫(feng)中(zhong)變化(hua)(hua),不回導致基(ji)礎(chu)其它地方(fang)開裂)。

(2)       基礎處理:(磨縫—酸洗—底涂—填縫—找平、修補)

a、磨縫:把溫(wen)(wen)度(du)縫兩邊的(de)基面(mian)(mian)各寬40~50mm磨成斜口深(shen)3mm,使溫(wen)(wen)度(du)縫表(biao)面(mian)(mian)成“V”型(xing),(各40~50寬是提(ti)高填(tian)縫膠與基面(mian)(mian)的(de)粘接(jie)面(mian)(mian)積(ji),增加其粘接(jie)力,3mm深(shen)是保證填(tian)縫膠厚度(du)而不(bu)占(zhan)用彈性層(ceng)的(de)位(wei)置,保證整體的(de)緩沖性好,使基礎(chu)的(de)熱(re)脹冷縮不(bu)影響硅PU表(biao)面(mian)(mian))。

b、酸(suan)洗:用清水(shui)濕潤基礎(防止(zhi)稀鹽(yan)(yan)酸(suan)滲入基礎里面),以(yi)濃(nong)度為(wei)8%左的稀鹽(yan)(yan)酸(suan)均勻潑灑并(bing)(bing)洗刷基面,再(zai)用清水(shui)沖(chong)洗干凈(一般沖(chong)洗兩遍),洗完干燥后要求基面水(shui)泥原(yuan)色(se),無白色(se)粉化物(wu)及浮松物(wu)。在酸(suan)洗過(guo)程(cheng)中要圈出(chu)積(ji)水(shui)位并(bing)(bing)做標識(shi)標記(ji)。

 c、底涂(tu)(tu)(tu):基(ji)(ji)(ji)礎(chu)足夠干燥(zao)后用(yong)專用(yong)底涂(tu)(tu)(tu)(TB-201)分多道滾涂(tu)(tu)(tu)于基(ji)(ji)(ji)面(mian)(mian),原則以涂(tu)(tu)(tu)刷后基(ji)(ji)(ji)面(mian)(mian)形成光亮(liang)(liang)膜為(wei)止,不(bu)足處必須(xu)補涂(tu)(tu)(tu)至足夠為(wei)止,(底涂(tu)(tu)(tu)的(de)(de)作用(yong)為(wei)滲(shen)透進基(ji)(ji)(ji)礎(chu)的(de)(de)微(wei)細(xi)孔(kong)內,固化后起堵塞(sai)地下(xia)水(shui)氣(qi)及加(jia)固基(ji)(ji)(ji)面(mian)(mian);形成光亮(liang)(liang)膜是(shi)保證基(ji)(ji)(ji)礎(chu)的(de)(de)微(wei)細(xi)孔(kong)完全(quan)堵塞(sai)),應(ying)避免在烈日下(xia)或(huo)基(ji)(ji)(ji)礎(chu)溫度較(jiao)高(gao)情況下(xia)(>450C)施(shi)工以保證底涂(tu)(tu)(tu)漆的(de)(de)滲(shen)透性(xing)(無霧(wu)雨天(tian)氣(qi)的(de)(de)早上或(huo)傍晚較(jiao)適宜)。在基(ji)(ji)(ji)礎(chu)表(biao)面(mian)(mian)強(qiang)度<C20或(huo)表(biao)面(mian)(mian)較(jiao)松散時,可用(yong)TB-201加(jia)1倍稀釋劑(ji)(二甲(jia)苯或(huo)醋(cu)酸乙酯)稀釋后厚(hou)涂(tu)(tu)(tu)于基(ji)(ji)(ji)面(mian)(mian)(增(zeng)(zeng)強(qiang)其(qi)滲(shen)透性(xing),增(zeng)(zeng)加(jia)TB-201滲(shen)入深度)直到(dao)表(biao)面(mian)(mian)形成光亮(liang)(liang)膜為(wei)止,使基(ji)(ji)(ji)礎(chu)表(biao)面(mian)(mian)得以達到(dao)施(shi)工要求。

 d 、填(tian)縫(feng)(feng):底涂(tu)固化后(hou),同填(tian)縫(feng)(feng)膠(jiao)加10%-20%稀(xi)釋劑(二(er)甲苯或醋酸乙(yi)酯)稀(xi)釋后(hou)用毛刷涂(tu)刷于溫度縫(feng)(feng)內兩側,然(ran)后(hou)填(tian)縫(feng)(feng)泡棉對折(zhe)輕擠滿(man)溫度縫(feng)(feng)(填(tian)縫(feng)(feng)泡棉是可拉伸、可壓縮的(de),有效減少(shao)基礎熱脹冷縮變化影(ying)響(xiang)表面外觀)露(lu)出部分填(tian)縫(feng)(feng)泡棉用手(shou)提(ti)磨機(ji)磨平(ping),再用填(tian)縫(feng)(feng)膠(jiao)分兩道以上把“V”型槽填(tian)平(ping)(一次(ci)填(tian)的(de)厚(hou)度不大于1.0mm,太厚(hou)會發泡,影(ying)響(xiang)填(tian)縫(feng)(feng)膠(jiao)的(de)性能(neng))。(如圖(2)示)

e、找(zhao)平(ping)、修(xiu)補(bu)(bu)(bu):在酸洗(xi)過(guo)程中圈(quan)出(chu)的(de)積(ji)水地方,積(ji)水涂度(du)不(bu)超過(guo)5mm的(de)用彈(dan)性層(TB-002)加面(mian)(mian)層專用砂按1:1(重量比(bi)),再加適量稀(xi)釋(shi)劑攪拌均勻并(bing)調節(jie)至適合施工(gong)稠度(du),用直尺或刮板涂刮找(zhao)平(ping)積(ji)水處(chu);若積(ji)水深度(du)超過(guo)5mm的(de)地方,應用TB-002薄(bo)涂一(yi)道(dao)于(yu)積(ji)水處(chu),再用底(di)涂(TB-201)加40~80目砂按1:6~8(重量比(bi))拌和均勻,平(ping)整攤鋪于(yu)積(ji)水處(chu)并(bing)壓實,(薄(bo)涂TB-002作用為保證修(xiu)補(bu)(bu)(bu)料與基面(mian)(mian)粘結牢(lao)固(gu);若砂粒較細>80目,加入(ru)量要相應減少)修(xiu)補(bu)(bu)(bu)時(shi)注意修(xiu)邊(bian)不(bu)要讓修(xiu)補(bu)(bu)(bu)后的(de)邊(bian)高出(chu)基面(mian)(mian),若有高出(chu)需在固(gu)化后打磨平(ping)整后才(cai)能進行彈(dan)性層施工(gong)。

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