亚洲黄色视频

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:【亞洲黃色視頻:  亞洲黃色視頻:  亞洲黃色視頻:】  瀏覽:3199

  新水泥混凝土基礎

   1、基礎要求

    強(qiang)度(du)達建筑混凝(ning)土(tu)C20強(qiang)度(du)以(yi)上,平整度(du)為3m直尺(chi)誤差≤3mm,有一定排水坡度(du)(一般橫向≤8‰,縱向≤2‰),混凝(ning)土(tu)澆鑄后(hou)必須保(bao)水養護(hu)不少于7天,總(zong)養護(hu)期不少于28天.

   2、切(qie)割溫度縫

    新水泥基礎(chu)(chu)澆鑄(zhu)后必須(xu)切(qie)(qie)割合(he)理(li)溫度(du)伸(shen)縮縫(feng)(feng),原則以(yi)(yi)不(bu)(bu)大于(yu)6×10m為一方塊切(qie)(qie)割,澆鑄(zhu)施(shi)工(gong)板塊間必須(xu)切(qie)(qie)割溫度(du)縫(feng)(feng),溫度(du)縫(feng)(feng)寬(kuan)為5~8 mm,縫(feng)(feng)深不(bu)(bu)少(shao)于(yu)20 mm,(150 mm厚以(yi)(yi)上(shang)混凝土(tu)基礎(chu)(chu)縫(feng)(feng)深不(bu)(bu)少(shao)于(yu)30 mm),以(yi)(yi)保證基礎(chu)(chu)熱脹冷縮能集中(zhong)(zhong)在(zai)溫度(du)縫(feng)(feng)中(zhong)(zhong)變化,不(bu)(bu)導致基礎(chu)(chu)其它地方開裂。

   3、酸(suan)洗

    以清(qing)水潤濕基面,用8%左(zuo)右的稀鹽酸潑灑并(bing)洗刷基面,再用清(qing)水沖洗干(gan)凈,并(bing)圈劃出積(ji)水處,清(qing)洗干(gan)燥后(hou)基面應無白色粉化物(wu)及(ji)浮(fu)松物(wu)。

   4、溫度縫處(chu)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、底涂

    基礎(chu)干(gan)燥后用專用底漆(qi)(TB-201)滾涂(tu)于(yu)(yu)基面(mian)(mian),一般分兩道滾涂(tu),基礎(chu)密實度(du)低(di)的需多(duo)道滾涂(tu),原則為涂(tu)刷后基面(mian)(mian)形(xing)成光亮(liang)連續(xu)膜為止。底漆(qi)作用為滲(shen)透(tou)于(yu)(yu)基面(mian)(mian)的微細孔內(nei),起(qi)堵塞地下水氣及加固基面(mian)(mian)作用,形(xing)成光亮(liang)膜是保(bao)證(zheng)基面(mian)(mian)的微細孔完全堵塞,應避免烈日下或(huo)基面(mian)(mian)溫度(du)過高(>50℃)情況下施工,以保(bao)證(zheng)底漆(qi)的滲(shen)透(tou)性。

   6、積(ji)水(shui)處修(xiu)補

    積(ji)水處積(ji)水深(shen)度不(bu)超過(guo)5 mm的地方(fang)用彈性層(ceng)(TB-002)加(jia)石(shi)英粉(或(huo)滑石(shi)粉)按(an)1:1(重量比),加(jia)稀釋劑(二甲苯)攪(jiao)拌均勻,并調節至(zhi)合(he)適施工稠度,用直尺或(huo)刮板涂刮于積(ji)水處;若積(ji)水深(shen)度超過(guo)5 mm的地方(fang),應用專用底(di)漆(qi)(TB-201)加(jia)40~80目(mu)砂(sha),按(an)1:6~8(重量比)拌和(he)均勻,平整(zheng)攤鋪(pu)于積(ji)水處并壓實。修(xiu)(xiu)補時注意修(xiu)(xiu)邊,不(bu)要讓修(xiu)(xiu)補后的邊高出(chu)(chu),若有(you)高出(chu)(chu)需打磨平整(zheng)后方(fang)能進(jin)行彈性層(ceng)施工。

硅PU層施工

1、彈(dan)性層及加強(qiang)層施工:

基礎刷涂(tu)完畢(bi),底(di)涂(tu)及灌縫固(gu)(gu)化后,即可(ke)(ke)進(jin)(jin)(jin)行(xing)彈性(xing)層(ceng)施工(gong)(gong)(gong)。用(yong)(yong)(yong)MB-201(硅PU彈性(xing)層(ceng)材(cai)料(liao))進(jin)(jin)(jin)行(xing)彈性(xing)層(ceng)施工(gong)(gong)(gong)。該(gai)材(cai)料(liao)屬于單組份材(cai)料(liao),根(gen)據不(bu)同的(de)(de)(de)(de)(de)(de)施工(gong)(gong)(gong)環(huan)境溫(wen)度(du)配(pei)(pei)合(he)適度(du)的(de)(de)(de)(de)(de)(de)稀釋(shi)劑配(pei)(pei)合(he)成(cheng)均(jun)勻的(de)(de)(de)(de)(de)(de)混合(he)溶液,用(yong)(yong)(yong)刮(gua)(gua)板進(jin)(jin)(jin)行(xing)刮(gua)(gua)涂(tu),用(yong)(yong)(yong)量(liang)大(da)約1.5公(gong)斤/平(ping)(ping)米(mi)(mi)(mi)。刮(gua)(gua)涂(tu)的(de)(de)(de)(de)(de)(de)同時(shi),均(jun)勻的(de)(de)(de)(de)(de)(de)撒(sa)一(yi)層(ceng)石(shi)英砂,用(yong)(yong)(yong)量(liang)大(da)約0.3-0.4公(gong)斤/平(ping)(ping)米(mi)(mi)(mi)。固(gu)(gu)化后,用(yong)(yong)(yong)同樣的(de)(de)(de)(de)(de)(de)方法(fa)用(yong)(yong)(yong)MB-201(硅PU彈性(xing)層(ceng)材(cai)料(liao))進(jin)(jin)(jin)行(xing)加強(qiang)層(ceng)施工(gong)(gong)(gong)。每遍(bian)刮(gua)(gua)涂(tu)時(shi)要注意表面(mian)(mian)的(de)(de)(de)(de)(de)(de)平(ping)(ping)整(zheng)度(du)、美觀(guan)度(du)和清潔度(du),若有鞋或(huo)其他物品帶(dai)入(ru)(ru)的(de)(de)(de)(de)(de)(de)泥(ni)土等(deng)臟(zang)污(wu)時(shi),要用(yong)(yong)(yong)打磨機將弄(nong)臟(zang)的(de)(de)(de)(de)(de)(de)表面(mian)(mian)進(jin)(jin)(jin)行(xing)打磨,去除污(wu)面(mian)(mian)后,再進(jin)(jin)(jin)行(xing)下道(dao)施工(gong)(gong)(gong),所以建議施工(gong)(gong)(gong)時(shi)赤腳或(huo)只穿干凈的(de)(de)(de)(de)(de)(de)襪(wa)子進(jin)(jin)(jin)入(ru)(ru)施工(gong)(gong)(gong)面(mian)(mian)。此項不(bu)進(jin)(jin)(jin)行(xing),很可(ke)(ke)能造(zao)成(cheng)脫層(ceng)。在施工(gong)(gong)(gong)不(bu)緊的(de)(de)(de)(de)(de)(de)情況下,分三次刮(gua)(gua)涂(tu)效果(guo)更好。分三次刮(gua)(gua)涂(tu)的(de)(de)(de)(de)(de)(de),石(shi)英砂可(ke)(ke)以用(yong)(yong)(yong)撒(sa)的(de)(de)(de)(de)(de)(de)方法(fa)。由于MB201和MB202兩種材(cai)料(liao)可(ke)(ke)以通用(yong)(yong)(yong),所以分三次批刮(gua)(gua)時(shi)可(ke)(ke)以每次用(yong)(yong)(yong)1公(gong)斤/平(ping)(ping)米(mi)(mi)(mi)。注意,每一(yi)遍(bian)刮(gua)(gua)涂(tu)固(gu)(gu)化后在進(jin)(jin)(jin)行(xing)下次刮(gua)(gua)涂(tu),稀釋(shi)劑都要根(gen)據具體(ti)情況適量(liang)添(tian)加。

2、面(mian)層施工(gong):

MB-301(硅PU面(mian)(mian)(mian)(mian)(mian)層(ceng)涂(tu)料(liao))為單組份材(cai)料(liao),開桶即可滾(gun)涂(tu),滾(gun)涂(tu)方法和底涂(tu)類似。也可以使用(yong)(yong)專用(yong)(yong)噴(pen)涂(tu)設備進行(xing)面(mian)(mian)(mian)(mian)(mian)層(ceng)噴(pen)涂(tu),效果更好(hao),不會有滾(gun)刷(shua)刷(shua)涂(tu)痕跡。由于噴(pen)涂(tu)的(de)噴(pen)槍口徑一(yi)般比較小,噴(pen)涂(tu)用(yong)(yong)面(mian)(mian)(mian)(mian)(mian)涂(tu)在將(jiang)材(cai)料(liao)倒入(ru)容器(qi)時(shi),容器(qi)上最(zui)好(hao)加一(yi)個細網篩,把面(mian)(mian)(mian)(mian)(mian)涂(tu)材(cai)料(liao)中容易阻塞噴(pen)槍口的(de)大粒(li)液篩掉。面(mian)(mian)(mian)(mian)(mian)層(ceng)分(fen)亞(ya)光(guang)和明(ming)(ming)光(guang)兩種,由于明(ming)(ming)光(guang)對運動員的(de)刺激(ji)比較大,一(yi)般建(jian)議(yi)用(yong)(yong)亞(ya)光(guang)面(mian)(mian)(mian)(mian)(mian)涂(tu)。若(ruo)(ruo)需要明(ming)(ming)光(guang)的(de)面(mian)(mian)(mian)(mian)(mian)層(ceng),直(zhi)接刷(shua)涂(tu)或噴(pen)涂(tu)硅PU面(mian)(mian)(mian)(mian)(mian)涂(tu)即可,若(ruo)(ruo)需要亞(ya)光(guang)效果,需要在面(mian)(mian)(mian)(mian)(mian)涂(tu)中加入(ru)50%亞(ya)光(guang)劑,再進行(xing)滾(gun)涂(tu)或刷(shua)涂(tu)。一(yi)般分(fen)兩次,第(di)一(yi)遍用(yong)(yong)料(liao)盡(jin)量(liang)少一(yi)點,0.1-0.15公斤/平(ping)米(mi),總用(yong)(yong)料(liao)大約0.3公斤/平(ping)米(mi)。

3、竣工策測劃比賽(sai)用線。

按(an)(an)要求尺(chi)寸(cun)定(ding)位放線,用硅PU專(zhuan)用劃線漆(qi)按(an)(an)照(zhao)規定(ding)寬度進行劃線,比例為(wei)1:6.

硅PU球場施工

(彈(dan)性層(ceng)→加(jia)彈(dan)層(ceng)→面(mian)層(ceng)→劃線)

1、             彈性層:

彈(dan)性(xing)(xing)層(ceng)(ceng)施(shi)工(gong)前應仔細檢查確認基礎處(chu)理完后(hou)方能進(jin)行(xing)彈(dan)性(xing)(xing)層(ceng)(ceng)施(shi)工(gong),彈(dan)性(xing)(xing)層(ceng)(ceng)(TB-002)為(wei)單組份材料,只需用(yong)(yong)稀釋劑(ji)調節合適施(shi)工(gong)稠度(du),用(yong)(yong)齒(chi)刮板(ban)涂(tu)(tu)(tu)于(yu)基面,每道涂(tu)(tu)(tu)刮厚度(du)不能超過2.0mm,每道涂(tu)(tu)(tu)刮時(shi)間間隔以前一道干固(gu)為(wei)準(一般約10小時(shi),  具(ju)體視現(xian)場天(tian)氣(qi)情況(kuang)而(er)定(ding))直至涂(tu)(tu)(tu)刮至所需厚度(du)。涂(tu)(tu)(tu)刮時(shi)注意流(liu)(liu)平效果,若(ruo)不能流(liu)(liu)平刮齒(chi)痕(hen)跡,需多加稀釋劑(ji)以保證表面流(liu)(liu)平。若(ruo)氣(qi)溫較(jiao)低(<10℃以及相對(dui)濕度(du)較(jiao)低<60%=,需加入(3~8%)水攪(jiao)拌均勻后(hou)涂(tu)(tu)(tu)刮,以加速(su)材料固(gu)化,減(jian)少間隔時(shi)間,具(ju)體加水量視現(xian)場天(tian)氣(qi)而(er)定(ding),應避免在(zai)猛然陽光照射下施(shi)工(gong)。彈(dan)性(xing)(xing)層(ceng)(ceng)干固(gu)后(hou),用(yong)(yong)積水法測(ce)試(shi)表面平整度(du),積水處(chu)用(yong)(yong)TB-002修補平整,表面若(ruo)有(you)粒狀雜物或堆(dui)積處(chu)需用(yong)(yong)磨機或其它(ta)工(gong)具(ju)修整平后(hou)才能進(jin)行(xing)加強層(ceng)(ceng)施(shi)工(gong)。

2、            加強層:

加強層(ceng)(TB-003)為單組(zu)份材料,施(shi)工(gong)方法(fa)與彈性層(ceng)一致。若(ruo)加強層(ceng)設(she)計(ji)較薄(bo)(小于1mm),齒刮涂(tu)難以流(liu)平的,可用膠刮板(ban)分(fen)多(duo)道刮涂(tu),必須(xu)保證刮涂(tu)后表(biao)面(mian)光(guang)滑平整。在(zai)施(shi)工(gong)過程中若(ruo)有雜(za)物混入或(huo)刮涂(tu)有不(bu)平整處需(xu)修整平滑后才能(neng)進行(xing)面(mian)層(ceng)施(shi)工(gong)。

3、            面層:

面層(ceng)(TB-205)為雙組(zu)(zu)(zu)份水(shui)性(xing)材料,必須(xu)按規定(ding)(ding)比(bi)例(A組(zu)(zu)(zu):B組(zu)(zu)(zu)=9:1(重量(liang)(liang)比(bi)))把兩組(zu)(zu)(zu)份充分(fen)攪(jiao)拌均(jun)勻(yun),(配比(bi)不準會影響面層(ceng)的(de)(de)固(gu)化效果,直接影響面層(ceng)的(de)(de)使(shi)用(yong)(yong)(yong)性(xing)能(neng))加(jia)(jia)水(shui)稀釋(shi)施工(gong)稠度,一般加(jia)(jia)入(ru)50~80%(TB-205重量(liang)(liang)計(ji)算,根據現場實際情況而(er)定(ding)(ding)),用(yong)(yong)(yong)專用(yong)(yong)(yong)噴槍分(fen)多道(dao)(dao)噴涂(tu)于(yu)加(jia)(jia)強層(ceng)面上。需表面粗糙的(de)(de)加(jia)(jia)入(ru)專用(yong)(yong)(yong)砂進行噴涂(tu)便可。最(zui)低(di)溫度低(di)于(yu)5℃不適宜施工(gong),施工(gong)后保(bao)持10小時無水(shui)浸泡。球場面層(ceng)做法: 分(fen)三道(dao)(dao)噴涂(tu),第一、二道(dao)(dao)加(jia)(jia)15%(TB-205重量(liang)(liang)計(ji)算)專用(yong)(yong)(yong)砂,每道(dao)(dao)TB-205用(yong)(yong)(yong)量(liang)(liang)約(yue)為0.15kg,第三道(dao)(dao)不加(jia)(jia)砂(用(yong)(yong)(yong)量(liang)(liang)約(yue)為0.1kg),加(jia)(jia)砂時,應(ying)先將A組(zu)(zu)(zu)份與專用(yong)(yong)(yong)砂攪(jiao)拌均(jun)勻(yun),再加(jia)(jia)入(ru)B組(zu)(zu)(zu)份攪(jiao)拌均(jun)勻(yun),再加(jia)(jia)水(shui)稀釋(shi);三秒禁(jin)區應(ying)做三道(dao)(dao)加(jia)(jia)砂的(de)(de),一道(dao)(dao)不加(jia)(jia)砂(共四道(dao)(dao))

4、        劃線(xian):

按標(biao)準尺寸量度定位,標(biao)出界(jie)線(xian)位置,用(yong)美紋紙沿界(jie)線(xian)兩邊貼在球場上,用(yong)專用(yong)劃線(xian)漆(TB—207)涂刷(shua)于(yu)美紋紙間,待表(biao)面干后(hou)撕掉美紋紙。TB—207為雙組(zu)份(fen)材料(liao),必須按規定比例(A:B=9:1)把A、B兩組(zu)份(fen)充分混合均(jun)勻(yun),分兩道涂刷(shua)。若球場表(biao)面為粗糙(cao)面,第一道可(ke)加(jia)20%面層(ceng)專用(yong)砂涂刷(shua),以防滲邊。 

厚度(du):   3毫米。

顏色:   紅色、綠色、藍色、灰(hui)色。

硅PU球場施工

一、基礎處理

1、        水泥混凝(ning)土(tu)基(ji)礎(chu):

(1)      基礎要(yao)求:

堅實平整(平整度(du)(du)(du)(du)要求(qiu):3m直尺誤差不(bu)(bu)大(da)(da)于(yu)(yu)(yu)3mm),有一定(ding)排水(shui)(shui)坡度(du)(du)(du)(du)(一般橫向不(bu)(bu)大(da)(da)于(yu)(yu)(yu)40/00,縱(zong)向不(bu)(bu)大(da)(da)于(yu)(yu)(yu)20/00,必須(xu)保(bao)證泄(xie)水(shui)(shui)),強度(du)(du)(du)(du)達建筑混凝(ning)土標準C25強度(du)(du)(du)(du),澆(jiao)制后保(bao)水(shui)(shui)養護(hu)不(bu)(bu)少(shao)于(yu)(yu)(yu)7天,整體固(gu)化(hua)養護(hu)期(qi)不(bu)(bu)少(shao)于(yu)(yu)(yu)28天(保(bao)證水(shui)(shui)泥(ni)的(de)固(gu)化(hua)時間(jian),讓水(shui)(shui)泥(ni)在固(gu)化(hua)過程中(zhong)產生的(de)白(bai)色(se)粉末完全析出于(yu)(yu)(yu)基礎(chu)(chu)表(biao)面(mian))。新水(shui)(shui)泥(ni)基礎(chu)(chu)澆(jiao)制后必須(xu)切割合理(li)溫(wen)(wen)度(du)(du)(du)(du)伸縮縫,原則(ze)以不(bu)(bu)大(da)(da)于(yu)(yu)(yu)6x10m為(wei)一方塊切割,若分板塊澆(jiao)制的(de)板塊間(jian)必須(xu)切割溫(wen)(wen)度(du)(du)(du)(du)縫,切割溫(wen)(wen)度(du)(du)(du)(du)縫要求(qiu)寬為(wei)6~8mm,深度(du)(du)(du)(du)不(bu)(bu)少(shao)于(yu)(yu)(yu)30mm,(保(bao)證基礎(chu)(chu)熱脹(zhang)冷縮能集(ji)中(zhong)在溫(wen)(wen)度(du)(du)(du)(du)縫中(zhong)變化(hua),不(bu)(bu)回導致(zhi)基礎(chu)(chu)其它地方開裂(lie))。

(2)       基礎(chu)處理(li):(磨縫(feng)—酸洗—底涂(tu)—填縫(feng)—找平(ping)、修補)

a、磨縫(feng):把(ba)溫度縫(feng)兩邊(bian)的(de)基面(mian)(mian)(mian)各寬(kuan)40~50mm磨成斜(xie)口深3mm,使(shi)溫度縫(feng)表(biao)面(mian)(mian)(mian)成“V”型(xing),(各40~50寬(kuan)是提高填(tian)縫(feng)膠與基面(mian)(mian)(mian)的(de)粘(zhan)接面(mian)(mian)(mian)積,增(zeng)加其(qi)粘(zhan)接力,3mm深是保證(zheng)填(tian)縫(feng)膠厚度而(er)不占用彈性層的(de)位置(zhi),保證(zheng)整體的(de)緩沖(chong)性好(hao),使(shi)基礎的(de)熱脹冷縮不影響硅PU表(biao)面(mian)(mian)(mian))。

b、酸(suan)洗(xi)(xi):用(yong)清水濕潤基(ji)礎(chu)(防止稀鹽(yan)酸(suan)滲入基(ji)礎(chu)里面(mian)(mian)),以(yi)濃度(du)為(wei)8%左(zuo)的(de)稀鹽(yan)酸(suan)均勻潑灑并洗(xi)(xi)刷基(ji)面(mian)(mian),再用(yong)清水沖(chong)洗(xi)(xi)干凈(一般沖(chong)洗(xi)(xi)兩遍),洗(xi)(xi)完干燥后要求(qiu)基(ji)面(mian)(mian)水泥原色,無白(bai)色粉化物及浮松物。在酸(suan)洗(xi)(xi)過程(cheng)中要圈出(chu)積水位并做標(biao)識(shi)標(biao)記。

 c、底涂(tu):基(ji)(ji)(ji)礎(chu)(chu)足夠(gou)干(gan)燥后(hou)用(yong)專用(yong)底涂(tu)(TB-201)分多道滾涂(tu)于基(ji)(ji)(ji)面(mian)(mian),原則(ze)以(yi)(yi)涂(tu)刷(shua)后(hou)基(ji)(ji)(ji)面(mian)(mian)形(xing)成光(guang)亮(liang)膜(mo)為(wei)(wei)止,不(bu)足處必須補涂(tu)至足夠(gou)為(wei)(wei)止,(底涂(tu)的(de)(de)作用(yong)為(wei)(wei)滲透(tou)進基(ji)(ji)(ji)礎(chu)(chu)的(de)(de)微(wei)細(xi)孔內,固(gu)化后(hou)起堵(du)塞地下(xia)水氣及加固(gu)基(ji)(ji)(ji)面(mian)(mian);形(xing)成光(guang)亮(liang)膜(mo)是保(bao)證(zheng)基(ji)(ji)(ji)礎(chu)(chu)的(de)(de)微(wei)細(xi)孔完全堵(du)塞),應避免在(zai)烈(lie)日下(xia)或(huo)基(ji)(ji)(ji)礎(chu)(chu)溫度較(jiao)高情況下(xia)(>450C)施(shi)工以(yi)(yi)保(bao)證(zheng)底涂(tu)漆的(de)(de)滲透(tou)性(xing)(無(wu)霧雨天氣的(de)(de)早上或(huo)傍晚較(jiao)適宜)。在(zai)基(ji)(ji)(ji)礎(chu)(chu)表面(mian)(mian)強度<C20或(huo)表面(mian)(mian)較(jiao)松散(san)時,可用(yong)TB-201加1倍(bei)稀釋劑(二甲苯或(huo)醋酸乙酯)稀釋后(hou)厚涂(tu)于基(ji)(ji)(ji)面(mian)(mian)(增(zeng)強其滲透(tou)性(xing),增(zeng)加TB-201滲入(ru)深度)直(zhi)到表面(mian)(mian)形(xing)成光(guang)亮(liang)膜(mo)為(wei)(wei)止,使基(ji)(ji)(ji)礎(chu)(chu)表面(mian)(mian)得以(yi)(yi)達到施(shi)工要求。

 d 、填(tian)(tian)縫(feng)(feng):底涂(tu)固化(hua)后(hou)(hou),同填(tian)(tian)縫(feng)(feng)膠(jiao)(jiao)加10%-20%稀釋劑(二甲苯(ben)或醋(cu)酸乙酯(zhi))稀釋后(hou)(hou)用毛(mao)刷涂(tu)刷于溫度縫(feng)(feng)內兩側(ce),然后(hou)(hou)填(tian)(tian)縫(feng)(feng)泡棉對折輕(qing)擠(ji)滿溫度縫(feng)(feng)(填(tian)(tian)縫(feng)(feng)泡棉是可拉伸、可壓縮的(de),有效減少基(ji)礎熱(re)脹冷縮變化(hua)影響(xiang)表面外觀)露出部(bu)分(fen)填(tian)(tian)縫(feng)(feng)泡棉用手提磨機磨平,再用填(tian)(tian)縫(feng)(feng)膠(jiao)(jiao)分(fen)兩道以上把(ba)“V”型(xing)槽填(tian)(tian)平(一次填(tian)(tian)的(de)厚度不大于1.0mm,太厚會發(fa)泡,影響(xiang)填(tian)(tian)縫(feng)(feng)膠(jiao)(jiao)的(de)性能)。(如圖(2)示)

e、找平、修補(bu)(bu):在酸洗過程中(zhong)圈出的(de)(de)積水(shui)(shui)地方,積水(shui)(shui)涂度不超過5mm的(de)(de)用(yong)彈性層(TB-002)加面(mian)層專(zhuan)用(yong)砂(sha)按(an)1:1(重(zhong)量(liang)比),再加適(shi)量(liang)稀釋(shi)劑攪(jiao)拌均勻并調節至(zhi)適(shi)合施(shi)工稠度,用(yong)直(zhi)尺或刮板涂刮找平積水(shui)(shui)處(chu);若(ruo)(ruo)積水(shui)(shui)深度超過5mm的(de)(de)地方,應用(yong)TB-002薄(bo)(bo)涂一(yi)道于積水(shui)(shui)處(chu),再用(yong)底涂(TB-201)加40~80目砂(sha)按(an)1:6~8(重(zhong)量(liang)比)拌和均勻,平整攤鋪于積水(shui)(shui)處(chu)并壓實,(薄(bo)(bo)涂TB-002作用(yong)為保(bao)證修補(bu)(bu)料與(yu)基面(mian)粘結(jie)牢固(gu);若(ruo)(ruo)砂(sha)粒(li)較細>80目,加入量(liang)要相應減少)修補(bu)(bu)時(shi)注(zhu)意(yi)修邊不要讓修補(bu)(bu)后(hou)的(de)(de)邊高出基面(mian),若(ruo)(ruo)有高出需(xu)在固(gu)化后(hou)打(da)磨平整后(hou)才能進行彈性層施(shi)工。

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