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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:【下載香蕉視頻APP:  下載香蕉視頻APP:  下載香蕉視頻APP:】  瀏覽:3199

  新水泥混凝土基礎

   1、基礎要求

    強度(du)達建筑混(hun)凝土(tu)C20強度(du)以上,平整度(du)為3m直尺誤差≤3mm,有(you)一定排水坡度(du)(一般(ban)橫向≤8‰,縱(zong)向≤2‰),混(hun)凝土(tu)澆鑄后必須(xu)保水養護不少于7天,總(zong)養護期(qi)不少于28天.

   2、切割(ge)溫度縫

    新水泥基(ji)礎澆鑄(zhu)后(hou)必(bi)須切(qie)割(ge)合理溫(wen)度(du)(du)伸縮(suo)縫,原則以(yi)不(bu)大于6×10m為(wei)一(yi)方(fang)塊(kuai)(kuai)切(qie)割(ge),澆鑄(zhu)施工板塊(kuai)(kuai)間必(bi)須切(qie)割(ge)溫(wen)度(du)(du)縫,溫(wen)度(du)(du)縫寬(kuan)為(wei)5~8 mm,縫深(shen)(shen)不(bu)少(shao)于20 mm,(150 mm厚以(yi)上混凝(ning)土基(ji)礎縫深(shen)(shen)不(bu)少(shao)于30 mm),以(yi)保證基(ji)礎熱脹冷縮(suo)能集中(zhong)在溫(wen)度(du)(du)縫中(zhong)變化,不(bu)導致基(ji)礎其它地(di)方(fang)開裂。

   3、酸洗

    以清(qing)水(shui)潤濕基(ji)面(mian),用(yong)8%左右的稀(xi)鹽酸潑灑并(bing)洗(xi)刷基(ji)面(mian),再用(yong)清(qing)水(shui)沖洗(xi)干(gan)凈,并(bing)圈(quan)劃出積水(shui)處,清(qing)洗(xi)干(gan)燥后基(ji)面(mian)應無白色粉化物及浮松物。

   4、溫度縫處理(li)

    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、底涂

    基(ji)(ji)(ji)礎干燥后用專用底(di)漆(qi)(TB-201)滾(gun)涂(tu)于基(ji)(ji)(ji)面(mian)(mian)(mian),一般(ban)分兩道(dao)滾(gun)涂(tu),基(ji)(ji)(ji)礎密(mi)實度(du)低的需多道(dao)滾(gun)涂(tu),原則為涂(tu)刷后基(ji)(ji)(ji)面(mian)(mian)(mian)形(xing)成光亮(liang)(liang)連續膜(mo)(mo)為止(zhi)。底(di)漆(qi)作用為滲透(tou)于基(ji)(ji)(ji)面(mian)(mian)(mian)的微細孔(kong)內,起堵(du)塞(sai)地下水氣及(ji)加固基(ji)(ji)(ji)面(mian)(mian)(mian)作用,形(xing)成光亮(liang)(liang)膜(mo)(mo)是保證基(ji)(ji)(ji)面(mian)(mian)(mian)的微細孔(kong)完全堵(du)塞(sai),應避免烈日下或基(ji)(ji)(ji)面(mian)(mian)(mian)溫(wen)度(du)過高(>50℃)情況下施工,以保證底(di)漆(qi)的滲透(tou)性。

   6、積水(shui)處(chu)修補

    積(ji)(ji)水(shui)(shui)處(chu)積(ji)(ji)水(shui)(shui)深度不超過(guo)5 mm的地方(fang)用(yong)彈性(xing)層(ceng)(TB-002)加石英粉(或滑(hua)石粉)按(an)1:1(重(zhong)(zhong)量比(bi)),加稀(xi)釋劑(二甲苯)攪拌均(jun)勻,并調節至合適施(shi)(shi)工稠度,用(yong)直尺(chi)或刮(gua)板(ban)涂刮(gua)于積(ji)(ji)水(shui)(shui)處(chu);若積(ji)(ji)水(shui)(shui)深度超過(guo)5 mm的地方(fang),應用(yong)專(zhuan)用(yong)底漆(qi)(TB-201)加40~80目砂,按(an)1:6~8(重(zhong)(zhong)量比(bi))拌和均(jun)勻,平整攤鋪于積(ji)(ji)水(shui)(shui)處(chu)并壓(ya)實(shi)。修補時(shi)注意(yi)修邊(bian),不要讓修補后的邊(bian)高(gao)出,若有高(gao)出需打(da)磨平整后方(fang)能進行彈性(xing)層(ceng)施(shi)(shi)工。

硅PU層施工

1、彈(dan)性層(ceng)及加強層(ceng)施工:

基礎刷涂完(wan)畢,底涂及灌縫固化(hua)后,即可(ke)(ke)進行(xing)彈(dan)性(xing)層(ceng)施(shi)(shi)工(gong)(gong)。用(yong)MB-201(硅PU彈(dan)性(xing)層(ceng)材(cai)料(liao)(liao))進行(xing)彈(dan)性(xing)層(ceng)施(shi)(shi)工(gong)(gong)。該材(cai)料(liao)(liao)屬于單組份材(cai)料(liao)(liao),根據(ju)(ju)不同的(de)施(shi)(shi)工(gong)(gong)環境溫度(du)配合(he)適度(du)的(de)稀(xi)釋(shi)劑(ji)配合(he)成(cheng)均勻的(de)混合(he)溶液,用(yong)刮(gua)(gua)(gua)板進行(xing)刮(gua)(gua)(gua)涂,用(yong)量(liang)(liang)大(da)約1.5公(gong)斤/平(ping)米。刮(gua)(gua)(gua)涂的(de)同時,均勻的(de)撒一層(ceng)石英砂,用(yong)量(liang)(liang)大(da)約0.3-0.4公(gong)斤/平(ping)米。固化(hua)后,用(yong)同樣的(de)方法用(yong)MB-201(硅PU彈(dan)性(xing)層(ceng)材(cai)料(liao)(liao))進行(xing)加強層(ceng)施(shi)(shi)工(gong)(gong)。每(mei)遍刮(gua)(gua)(gua)涂時要(yao)注意表面(mian)(mian)的(de)平(ping)整(zheng)度(du)、美觀度(du)和清(qing)潔度(du),若有鞋或其他物(wu)品帶入的(de)泥土等(deng)臟污時,要(yao)用(yong)打磨機將(jiang)弄臟的(de)表面(mian)(mian)進行(xing)打磨,去除污面(mian)(mian)后,再進行(xing)下道施(shi)(shi)工(gong)(gong),所(suo)以(yi)(yi)建議施(shi)(shi)工(gong)(gong)時赤腳(jiao)或只穿干凈(jing)的(de)襪(wa)子(zi)進入施(shi)(shi)工(gong)(gong)面(mian)(mian)。此(ci)項(xiang)不進行(xing),很可(ke)(ke)能(neng)造成(cheng)脫(tuo)層(ceng)。在(zai)施(shi)(shi)工(gong)(gong)不緊的(de)情(qing)況(kuang)(kuang)下,分三次(ci)刮(gua)(gua)(gua)涂效果更好。分三次(ci)刮(gua)(gua)(gua)涂的(de),石英砂可(ke)(ke)以(yi)(yi)用(yong)撒的(de)方法。由(you)于MB201和MB202兩種材(cai)料(liao)(liao)可(ke)(ke)以(yi)(yi)通用(yong),所(suo)以(yi)(yi)分三次(ci)批刮(gua)(gua)(gua)時可(ke)(ke)以(yi)(yi)每(mei)次(ci)用(yong)1公(gong)斤/平(ping)米。注意,每(mei)一遍刮(gua)(gua)(gua)涂固化(hua)后在(zai)進行(xing)下次(ci)刮(gua)(gua)(gua)涂,稀(xi)釋(shi)劑(ji)都要(yao)根據(ju)(ju)具體情(qing)況(kuang)(kuang)適量(liang)(liang)添加。

2、面(mian)層施(shi)工:

MB-301(硅PU面層涂(tu)(tu)(tu)(tu)(tu)料)為單組份材(cai)料,開桶(tong)即可(ke)(ke)滾(gun)涂(tu)(tu)(tu)(tu)(tu),滾(gun)涂(tu)(tu)(tu)(tu)(tu)方法和(he)底涂(tu)(tu)(tu)(tu)(tu)類似。也(ye)可(ke)(ke)以使用專(zhuan)用噴(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)設備進行(xing)面層噴(pen)(pen)涂(tu)(tu)(tu)(tu)(tu),效果(guo)更好,不(bu)會有滾(gun)刷(shua)刷(shua)涂(tu)(tu)(tu)(tu)(tu)痕跡(ji)。由于噴(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)的(de)噴(pen)(pen)槍(qiang)口(kou)徑(jing)一(yi)般比(bi)較小,噴(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)用面涂(tu)(tu)(tu)(tu)(tu)在將材(cai)料倒入容(rong)器時,容(rong)器上(shang)最好加一(yi)個細網篩,把面涂(tu)(tu)(tu)(tu)(tu)材(cai)料中容(rong)易(yi)阻(zu)塞噴(pen)(pen)槍(qiang)口(kou)的(de)大(da)粒液篩掉(diao)。面層分亞光(guang)(guang)和(he)明(ming)光(guang)(guang)兩種,由于明(ming)光(guang)(guang)對(dui)運動員的(de)刺激比(bi)較大(da),一(yi)般建議用亞光(guang)(guang)面涂(tu)(tu)(tu)(tu)(tu)。若需(xu)要明(ming)光(guang)(guang)的(de)面層,直接刷(shua)涂(tu)(tu)(tu)(tu)(tu)或(huo)噴(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)硅PU面涂(tu)(tu)(tu)(tu)(tu)即可(ke)(ke),若需(xu)要亞光(guang)(guang)效果(guo),需(xu)要在面涂(tu)(tu)(tu)(tu)(tu)中加入50%亞光(guang)(guang)劑,再進行(xing)滾(gun)涂(tu)(tu)(tu)(tu)(tu)或(huo)刷(shua)涂(tu)(tu)(tu)(tu)(tu)。一(yi)般分兩次,第(di)一(yi)遍用料盡量少一(yi)點,0.1-0.15公(gong)斤(jin)/平(ping)米(mi),總用料大(da)約0.3公(gong)斤(jin)/平(ping)米(mi)。

3、竣工策(ce)測劃比賽用線。

按(an)要求尺寸(cun)定位放線,用硅PU專(zhuan)用劃線漆(qi)按(an)照規定寬度(du)進行劃線,比例(li)為1:6.

硅PU球場施工

(彈性層(ceng)→加彈層(ceng)→面層(ceng)→劃線)

1、             彈性層(ceng):

彈(dan)(dan)性(xing)層(ceng)(ceng)(ceng)施(shi)工(gong)(gong)前(qian)應仔細檢查確認(ren)基(ji)礎處(chu)理(li)完后方能(neng)進(jin)行彈(dan)(dan)性(xing)層(ceng)(ceng)(ceng)施(shi)工(gong)(gong),彈(dan)(dan)性(xing)層(ceng)(ceng)(ceng)(TB-002)為(wei)單組份材(cai)料,只(zhi)需(xu)用稀釋劑調節合適(shi)施(shi)工(gong)(gong)稠度,用齒刮(gua)板(ban)涂(tu)(tu)于基(ji)面(mian),每道(dao)(dao)涂(tu)(tu)刮(gua)厚(hou)度不能(neng)超過2.0mm,每道(dao)(dao)涂(tu)(tu)刮(gua)時(shi)間(jian)間(jian)隔(ge)(ge)以前(qian)一道(dao)(dao)干固(gu)為(wei)準(一般約10小時(shi),  具(ju)體視現(xian)場(chang)天(tian)氣(qi)(qi)情(qing)況(kuang)而(er)定)直至涂(tu)(tu)刮(gua)至所需(xu)厚(hou)度。涂(tu)(tu)刮(gua)時(shi)注(zhu)意流(liu)平(ping)(ping)效果,若不能(neng)流(liu)平(ping)(ping)刮(gua)齒痕跡(ji),需(xu)多加(jia)稀釋劑以保證(zheng)表(biao)面(mian)流(liu)平(ping)(ping)。若氣(qi)(qi)溫較(jiao)低(<10℃以及相對濕度較(jiao)低<60%=,需(xu)加(jia)入(3~8%)水(shui)攪拌(ban)均勻后涂(tu)(tu)刮(gua),以加(jia)速材(cai)料固(gu)化,減少(shao)間(jian)隔(ge)(ge)時(shi)間(jian),具(ju)體加(jia)水(shui)量視現(xian)場(chang)天(tian)氣(qi)(qi)而(er)定,應避免在猛(meng)然陽光照射(she)下施(shi)工(gong)(gong)。彈(dan)(dan)性(xing)層(ceng)(ceng)(ceng)干固(gu)后,用積(ji)(ji)水(shui)法(fa)測試表(biao)面(mian)平(ping)(ping)整(zheng)度,積(ji)(ji)水(shui)處(chu)用TB-002修(xiu)補平(ping)(ping)整(zheng),表(biao)面(mian)若有粒狀雜物(wu)或(huo)堆積(ji)(ji)處(chu)需(xu)用磨機(ji)或(huo)其它工(gong)(gong)具(ju)修(xiu)整(zheng)平(ping)(ping)后才能(neng)進(jin)行加(jia)強層(ceng)(ceng)(ceng)施(shi)工(gong)(gong)。

2、            加強層:

加強層(ceng)(TB-003)為單(dan)組份材料(liao),施工方法(fa)與彈性層(ceng)一致。若加強層(ceng)設(she)計較薄(小(xiao)于1mm),齒(chi)刮(gua)涂(tu)難以(yi)流平(ping)的,可用(yong)膠刮(gua)板(ban)分多道刮(gua)涂(tu),必須保證(zheng)刮(gua)涂(tu)后表面光(guang)滑(hua)(hua)平(ping)整(zheng)。在施工過程(cheng)中若有雜物(wu)混入或刮(gua)涂(tu)有不平(ping)整(zheng)處需(xu)修整(zheng)平(ping)滑(hua)(hua)后才能(neng)進行面層(ceng)施工。

3、            面層:

面(mian)(mian)層(ceng)(TB-205)為(wei)雙(shuang)組(zu)份水(shui)(shui)性材料,必須(xu)按規定(ding)(ding)比(bi)(bi)例(li)(A組(zu):B組(zu)=9:1(重量(liang)(liang)比(bi)(bi)))把兩組(zu)份充(chong)分攪拌(ban)均(jun)(jun)勻(yun),(配比(bi)(bi)不(bu)準會影響(xiang)面(mian)(mian)層(ceng)的(de)(de)(de)固化效果,直接影響(xiang)面(mian)(mian)層(ceng)的(de)(de)(de)使用(yong)(yong)性能(neng))加(jia)(jia)(jia)水(shui)(shui)稀釋施(shi)工(gong)稠度,一(yi)般加(jia)(jia)(jia)入50~80%(TB-205重量(liang)(liang)計算,根據現(xian)場實(shi)際情況而定(ding)(ding)),用(yong)(yong)專(zhuan)用(yong)(yong)噴(pen)(pen)槍分多道(dao)噴(pen)(pen)涂(tu)(tu)于加(jia)(jia)(jia)強(qiang)層(ceng)面(mian)(mian)上。需表(biao)面(mian)(mian)粗糙的(de)(de)(de)加(jia)(jia)(jia)入專(zhuan)用(yong)(yong)砂(sha)(sha)進行噴(pen)(pen)涂(tu)(tu)便可。最低(di)溫度低(di)于5℃不(bu)適宜施(shi)工(gong),施(shi)工(gong)后保持10小時無水(shui)(shui)浸泡。球場面(mian)(mian)層(ceng)做法: 分三道(dao)噴(pen)(pen)涂(tu)(tu),第一(yi)、二道(dao)加(jia)(jia)(jia)15%(TB-205重量(liang)(liang)計算)專(zhuan)用(yong)(yong)砂(sha)(sha),每道(dao)TB-205用(yong)(yong)量(liang)(liang)約為(wei)0.15kg,第三道(dao)不(bu)加(jia)(jia)(jia)砂(sha)(sha)(用(yong)(yong)量(liang)(liang)約為(wei)0.1kg),加(jia)(jia)(jia)砂(sha)(sha)時,應先將A組(zu)份與專(zhuan)用(yong)(yong)砂(sha)(sha)攪拌(ban)均(jun)(jun)勻(yun),再加(jia)(jia)(jia)入B組(zu)份攪拌(ban)均(jun)(jun)勻(yun),再加(jia)(jia)(jia)水(shui)(shui)稀釋;三秒(miao)禁區(qu)應做三道(dao)加(jia)(jia)(jia)砂(sha)(sha)的(de)(de)(de),一(yi)道(dao)不(bu)加(jia)(jia)(jia)砂(sha)(sha)(共四(si)道(dao))

4、        劃線:

按標(biao)準(zhun)尺寸量(liang)度定位(wei),標(biao)出界線(xian)位(wei)置(zhi),用美紋(wen)(wen)紙(zhi)沿界線(xian)兩邊貼在球場上,用專用劃線(xian)漆(qi)(TB—207)涂(tu)(tu)刷(shua)于美紋(wen)(wen)紙(zhi)間,待表(biao)面干后撕掉(diao)美紋(wen)(wen)紙(zhi)。TB—207為雙(shuang)組(zu)份材料,必(bi)須按規定比(bi)例(A:B=9:1)把(ba)A、B兩組(zu)份充(chong)分(fen)混合均勻,分(fen)兩道(dao)涂(tu)(tu)刷(shua)。若球場表(biao)面為粗糙面,第一道(dao)可加20%面層專用砂(sha)涂(tu)(tu)刷(shua),以防滲(shen)邊。 

厚(hou)度:   3毫米。

顏(yan)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、        水泥混(hun)凝土基礎:

(1)      基礎要(yao)求:

堅實(shi)平整(平整度(du)(du)(du)(du)(du)(du)要(yao)求:3m直尺誤差不大于(yu)3mm),有一定排水(shui)(shui)坡度(du)(du)(du)(du)(du)(du)(一般橫向(xiang)不大于(yu)40/00,縱向(xiang)不大于(yu)20/00,必須保證泄水(shui)(shui)),強度(du)(du)(du)(du)(du)(du)達(da)建筑混凝土(tu)標準(zhun)C25強度(du)(du)(du)(du)(du)(du),澆制后保水(shui)(shui)養護(hu)不少于(yu)7天,整體固(gu)化養護(hu)期不少于(yu)28天(保證水(shui)(shui)泥的固(gu)化時間,讓水(shui)(shui)泥在(zai)固(gu)化過程中(zhong)產生的白(bai)色粉末完全析出于(yu)基礎表面)。新水(shui)(shui)泥基礎澆制后必須切(qie)(qie)割(ge)合理溫(wen)(wen)度(du)(du)(du)(du)(du)(du)伸縮(suo)縫,原則以不大于(yu)6x10m為(wei)一方塊(kuai)切(qie)(qie)割(ge),若分板(ban)塊(kuai)澆制的板(ban)塊(kuai)間必須切(qie)(qie)割(ge)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)縫,切(qie)(qie)割(ge)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)縫要(yao)求寬(kuan)為(wei)6~8mm,深度(du)(du)(du)(du)(du)(du)不少于(yu)30mm,(保證基礎熱脹冷(leng)縮(suo)能集中(zhong)在(zai)溫(wen)(wen)度(du)(du)(du)(du)(du)(du)縫中(zhong)變化,不回導致(zhi)基礎其它地方開裂)。

(2)       基礎處理:(磨縫(feng)—酸洗—底涂—填(tian)縫(feng)—找平、修補)

a、磨縫(feng):把溫度縫(feng)兩邊的(de)(de)基面(mian)各(ge)(ge)寬40~50mm磨成(cheng)斜口深3mm,使(shi)溫度縫(feng)表(biao)面(mian)成(cheng)“V”型,(各(ge)(ge)40~50寬是提(ti)高填(tian)縫(feng)膠(jiao)與(yu)基面(mian)的(de)(de)粘接面(mian)積(ji),增加(jia)其粘接力,3mm深是保證填(tian)縫(feng)膠(jiao)厚度而不占用彈性層的(de)(de)位置,保證整體的(de)(de)緩(huan)沖性好(hao),使(shi)基礎的(de)(de)熱脹冷縮不影響硅PU表(biao)面(mian))。

b、酸(suan)洗(xi)(xi):用(yong)清水(shui)濕潤基礎(chu)(防止(zhi)稀(xi)鹽酸(suan)滲入基礎(chu)里面),以濃度為8%左(zuo)的稀(xi)鹽酸(suan)均(jun)勻(yun)潑灑(sa)并洗(xi)(xi)刷基面,再用(yong)清水(shui)沖洗(xi)(xi)干凈(一(yi)般沖洗(xi)(xi)兩遍),洗(xi)(xi)完干燥后要(yao)求基面水(shui)泥原(yuan)色(se),無白(bai)色(se)粉(fen)化(hua)物及浮松物。在酸(suan)洗(xi)(xi)過程中(zhong)要(yao)圈出積水(shui)位并做標(biao)(biao)識標(biao)(biao)記。

 c、底(di)(di)涂(tu)(tu)(tu):基(ji)礎(chu)(chu)足(zu)(zu)夠(gou)(gou)干燥后(hou)(hou)用(yong)專用(yong)底(di)(di)涂(tu)(tu)(tu)(TB-201)分(fen)多道滾涂(tu)(tu)(tu)于(yu)基(ji)面(mian),原則以(yi)涂(tu)(tu)(tu)刷后(hou)(hou)基(ji)面(mian)形(xing)成(cheng)光亮(liang)膜(mo)為(wei)止(zhi),不足(zu)(zu)處必須補(bu)涂(tu)(tu)(tu)至足(zu)(zu)夠(gou)(gou)為(wei)止(zhi),(底(di)(di)涂(tu)(tu)(tu)的(de)(de)作用(yong)為(wei)滲透進基(ji)礎(chu)(chu)的(de)(de)微細(xi)孔內,固化后(hou)(hou)起堵塞地下(xia)水氣及(ji)加(jia)固基(ji)面(mian);形(xing)成(cheng)光亮(liang)膜(mo)是保證基(ji)礎(chu)(chu)的(de)(de)微細(xi)孔完全堵塞),應避免在烈日(ri)下(xia)或(huo)基(ji)礎(chu)(chu)溫度(du)(du)較高(gao)情(qing)況下(xia)(>450C)施(shi)工以(yi)保證底(di)(di)涂(tu)(tu)(tu)漆的(de)(de)滲透性(無(wu)霧(wu)雨天氣的(de)(de)早上或(huo)傍晚(wan)較適宜)。在基(ji)礎(chu)(chu)表面(mian)強(qiang)度(du)(du)<C20或(huo)表面(mian)較松散時,可用(yong)TB-201加(jia)1倍稀釋劑(二(er)甲苯或(huo)醋(cu)酸乙酯)稀釋后(hou)(hou)厚涂(tu)(tu)(tu)于(yu)基(ji)面(mian)(增強(qiang)其滲透性,增加(jia)TB-201滲入深度(du)(du))直(zhi)到(dao)表面(mian)形(xing)成(cheng)光亮(liang)膜(mo)為(wei)止(zhi),使基(ji)礎(chu)(chu)表面(mian)得以(yi)達到(dao)施(shi)工要求(qiu)。

 d 、填(tian)(tian)(tian)縫(feng):底涂固(gu)化(hua)后,同(tong)填(tian)(tian)(tian)縫(feng)膠(jiao)加10%-20%稀釋劑(ji)(二甲(jia)苯(ben)或醋酸乙酯)稀釋后用(yong)毛刷涂刷于溫度(du)縫(feng)內(nei)兩側(ce),然后填(tian)(tian)(tian)縫(feng)泡(pao)棉對(dui)折輕擠滿溫度(du)縫(feng)(填(tian)(tian)(tian)縫(feng)泡(pao)棉是可拉伸、可壓縮的,有效減少基礎熱脹(zhang)冷縮變化(hua)影響(xiang)表面外觀)露出部分(fen)填(tian)(tian)(tian)縫(feng)泡(pao)棉用(yong)手(shou)提磨機磨平,再用(yong)填(tian)(tian)(tian)縫(feng)膠(jiao)分(fen)兩道(dao)以上把(ba)“V”型槽填(tian)(tian)(tian)平(一次(ci)填(tian)(tian)(tian)的厚度(du)不大于1.0mm,太厚會發泡(pao),影響(xiang)填(tian)(tian)(tian)縫(feng)膠(jiao)的性能)。(如(ru)圖(2)示)

e、找平、修(xiu)(xiu)補(bu)(bu):在酸洗過程中(zhong)圈出(chu)的積(ji)水(shui)(shui)地(di)方,積(ji)水(shui)(shui)涂(tu)度不(bu)超過5mm的用(yong)彈(dan)性(xing)層(ceng)(TB-002)加面層(ceng)專用(yong)砂(sha)按1:1(重量比),再(zai)(zai)加適量稀釋劑攪(jiao)拌(ban)均(jun)勻并(bing)調節至適合施(shi)工(gong)稠度,用(yong)直尺或(huo)刮板(ban)涂(tu)刮找平積(ji)水(shui)(shui)處;若積(ji)水(shui)(shui)深度超過5mm的地(di)方,應用(yong)TB-002薄涂(tu)一道于(yu)積(ji)水(shui)(shui)處,再(zai)(zai)用(yong)底涂(tu)(TB-201)加40~80目砂(sha)按1:6~8(重量比)拌(ban)和均(jun)勻,平整攤鋪于(yu)積(ji)水(shui)(shui)處并(bing)壓實,(薄涂(tu)TB-002作用(yong)為保(bao)證修(xiu)(xiu)補(bu)(bu)料(liao)與基(ji)面粘結牢固;若砂(sha)粒較(jiao)細(xi)>80目,加入(ru)量要相(xiang)應減少)修(xiu)(xiu)補(bu)(bu)時注意修(xiu)(xiu)邊不(bu)要讓(rang)修(xiu)(xiu)補(bu)(bu)后的邊高出(chu)基(ji)面,若有高出(chu)需在固化后打(da)磨平整后才能(neng)進行彈(dan)性(xing)層(ceng)施(shi)工(gong)。

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