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PU運動場施工方案 有了這個可以造遍天下無敵體育場(四)

2011-12-31 14:59:41  來源:PU運動場施工方案  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:228

按照場(chang)(chang)地(di)設計要(yao)求和(he)塑(su)膠鋪設工藝對場(chang)(chang)地(di)基(ji)礎(chu)的(de)要(yao)求,對該場(chang)(chang)地(di)基(ji)礎(chu)進行復核,包括測(ce)量場(chang)(chang)地(di)平(ping)整度、坡度是否(fou)符(fu)合室外運(yun)動場(chang)(chang)的(de)規定,同(tong)時在鋪設塑(su)膠面層之前(qian),基(ji)礎(chu)必須有足夠的(de)保養期。

檢(jian)測基(ji)礎層(ceng)的(de)平整度采用3m直(zhi)尺檢(jian)測基(ji)礎層(ceng)的(de)最大凹陷(xian)程度。3m直(zhi)尺的(de)尺長精度為±3mm,尺的(de)底面平直(zhi)無缺陷(xian),0-25mm塞(sai)尺,塞(sai)尺精度為±1mm。

將3m直尺輕(qing)放于(yu)任何相鄰(lin)兩點(dian)(dian)(dian)之(zhi)間,用塞尺測(ce)量最(zui)大局部(bu)凹陷不(bu)超過(guo)3mm,即為(wei)合(he)(he)格(ge)點(dian)(dian)(dian)。每(mei)100㎡內(nei)測(ce)量不(bu)少于(yu)5個測(ce)量點(dian)(dian)(dian)數(shu)。合(he)(he)格(ge)點(dian)(dian)(dian)數(shu)與(yu)總(zong)測(ce)量點(dian)(dian)(dian)數(shu)之(zhi)比即為(wei)平整度合(he)(he)格(ge)率(lv)。合(he)(he)格(ge)率(lv)應不(bu)低于(yu)85% 。

基礎若有油漬(zi),脆(cui)化處(chu)或(huo)凸處(chu)應(ying)鏟除或(huo)磨除,凹(ao)處(chu)用(yong)同(tong)種材料(liao)進行(xing)補平,若是裂縫應(ying)用(yong)材料(liao)填(tian)補,若裂縫較細(xi)小時應(ying)加(jia)寬加(jia)深后再填(tian)補。

基礎補(bu)平后(hou),清(qing)除施(shi)工(gong)面的(de)灰層和(he)雜物(wu),用水將基礎沖洗干凈(jing),使基礎表面無油、無灰、干燥,才能進行塑膠面層的(de)施(shi)工(gong)。

1.3、測量地(di)面(mian)含水(shui)率

晴天時(shi)用透明膠(jiao)布(bu)以膠(jiao)帶貼(tie)膠(jiao)布(bu)四周于地面(mian),待4小時(shi)后觀(guan)察,若(ruo)透明膠(jiao)布(bu)內(nei)有(you)結露現象則不可施(shi)工,或(huo)以濕度測定儀檢(jian)查含水率低于8%以下(xia)方可施(shi)工。

1.4、測量空氣(qi)濕度

用通風干濕(shi)表測量(liang)空氣濕(shi)度,空氣濕(shi)度應≤85%,方能施工(gong)。

1.5、施工材料、施工設備(bei)準備(bei)

塑膠(jiao)半成品(pin)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao),按照所(suo)報材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)計(ji)劃一次性發(fa)往施工現(xian)場,出發(fa)和接收材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)前(qian)均應清點材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)的(de)(de)品(pin)種及(ji)數量,材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)包(bao)裝若有破損,應及(ji)時處理以免浪費,由于原料(liao)的(de)(de)化學(xue)特性,塑膠(jiao)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)包(bao)裝桶一律側(ce)倒(dao)放(fang),防止進水,現(xian)場材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)員和質檢員嚴格對接收的(de)(de)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)進行檢驗,如有不(bu)合(he)格材(cai)(cai)(cai)(cai)(cai)(cai)料(liao),立即返(fan)回(hui),不(bu)得接收使用。

檢(jian)(jian)測了解鋪設(she)現場(chang)的(de)溫度(du)(du)和(he)濕度(du)(du),在鋪設(she)施工現場(chang)采用三夾板(ban)進行(xing)(xing)小試(shi)(shi),檢(jian)(jian)驗材料比例(li)是否嚴格(ge)按配(pei)比進行(xing)(xing)混合的(de)。工程所用材料分別按批號(hao)排序,然后取樣根據現場(chang)環境條件分別進行(xing)(xing)成(cheng)(cheng)膠試(shi)(shi)驗以及拉(la)絲成(cheng)(cheng)膠試(shi)(shi)驗。如果發(fa)現某批材料成(cheng)(cheng)膠速度(du)(du)過慢(man),則調節催化劑的(de)用量來(lai)調節成(cheng)(cheng)膠速度(du)(du)。

提(ti)前檢查塑(su)膠鋪設所(suo)需的機(ji)械(xie)設備,使投入的機(ji)械(xie)設備能按需要進行正常運轉,及時進行保養。

1.6、塑(su)膠鋪設前的施工注意(yi)要點

根據塑膠跑(pao)道施工(gong)(gong)工(gong)(gong)藝的要(yao)求,施工(gong)(gong)時(shi)(shi)溫度要(yao)在10℃以(yi)上、干燥(zao)、低(di)風條件(jian)下施工(gong)(gong),雨前(qian)24小(xiao)時(shi)(shi)不(bu)可(ke)以(yi)施工(gong)(gong),確保(bao)工(gong)(gong)程質量(liang)。故施工(gong)(gong)現場派專(zhuan)人隨時(shi)(shi)了(le)解氣(qi)象信(xin)息,保(bao)證施工(gong)(gong)前(qian)24小(xiao)時(shi)(shi)做好(hao)氣(qi)象調查(cha),制(zhi)定施工(gong)(gong)作(zuo)息時(shi)(shi)間,做好(hao)相(xiang)應的準備,保(bao)證工(gong)(gong)程施工(gong)(gong)順(shun)利進行,保(bao)質按期(qi)完成。

施工時突(tu)發停電,攪拌(ban)桶中材料還未攪拌(ban)均勻,必須作廢料處理(li)不得使(shi)用(yong)。施工用(yong)的原材料,顆粒、膠水(shui)等經監理(li)見證隨機抽樣,須經過相(xiang)關部門進行檢(jian)(jian)測(ce),并出具(ju)檢(jian)(jian)測(ce)報告(gao),合格(ge)后方可使(shi)用(yong)。

聚(ju)氨(an)酯A、B組分配(pei)比(bi)為(wei)1:4,黑膠(jiao)粒(li)配(pei)比(bi)不超過總量的(de)25%,面層顆粒(li)采用EPDM膠(jiao)粒(li),粒(li)徑為(wei)3-5mm。

2、攤鋪塑膠底層

在(zai)塑(su)膠底層攤鋪前, 用專(zhuan)用膠水在(zai)瀝(li)青混凝土基礎上(shang)均(jun)勻(yun)的涂刷一(yi)遍,以增強基礎與(yu)塑(su)膠面層的粘接性。

2.1、底(di)層施工(gong)流(liu)程

攪(jiao)料(T-301AB料膠水、催化(hua)劑、黑顆粒)→攤鋪、刮(gua)平、修邊(bian)、包(bao)邊(bian)→常溫固(gu)化(hua)、檢測補(bu)平。

底膠(jiao)(jiao)攤鋪(pu)前(qian)(qian),為保證區分不(bu)同顏色的部位(wei)和已鋪(pu)完面層(ceng)的干凈,測(ce)量員(yuan)在(zai)與(yu)施工(gong)(gong)部位(wei)連接(jie)處四周(zhou),用5cm寬的透明膠(jiao)(jiao)帶紙在(zai)塑膠(jiao)(jiao)面層(ceng)邊上貼好,待塑膠(jiao)(jiao)面層(ceng)施工(gong)(gong)完后(hou),立即將膠(jiao)(jiao)帶紙小心的清除。施工(gong)(gong)前(qian)(qian)現(xian)場作(zuo)好樣板供學校參考,確定材(cai)料顏色后(hou)方可進行施工(gong)(gong)。

2.2、攪料

選料: 嚴格按照公司(si)技術部下(xia)發的工藝配方進行(xing)配比,配比系數為T-301AB膠水10.5kg/㎡,黑顆粒(li)3kg/㎡。

攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban):開始(shi)攪(jiao)(jiao)(jiao)(jiao)料(liao)(liao)(liao)(liao)前,在(zai)材(cai)(cai)料(liao)(liao)(liao)(liao)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)場所鋪設膠布或(huo)塑(su)料(liao)(liao)(liao)(liao)布,避免玷污(wu)地面,損壞施工(gong)品質(zhi)及影響環境清潔(jie)。攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)桶(tong)的(de)容量(liang)應(ying)是攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)量(liang)的(de)1.5-2倍,使用(yong)前攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)桶(tong)保(bao)持干(gan)燥及清潔(jie)。攪(jiao)(jiao)(jiao)(jiao)料(liao)(liao)(liao)(liao)人員將材(cai)(cai)料(liao)(liao)(liao)(liao)按比例倒(dao)入(ru)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)桶(tong)中(zhong)(zhong)混(hun)合(he)(he)(he)(he),材(cai)(cai)料(liao)(liao)(liao)(liao)倒(dao)入(ru)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)桶(tong)時(shi),應(ying)向桶(tong)中(zhong)(zhong)央直接(jie)倒(dao)入(ru),切勿沿著桶(tong)邊(bian)(bian)倒(dao)入(ru),以(yi)免附(fu)(fu)著桶(tong)邊(bian)(bian)的(de)材(cai)(cai)料(liao)(liao)(liao)(liao)無法充分(fen)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)。材(cai)(cai)料(liao)(liao)(liao)(liao)如附(fu)(fu)于桶(tong)邊(bian)(bian)或(huo)不慎(shen)粘附(fu)(fu)其它地方應(ying)隨時(shi)以(yi)刮刀刮干(gan)凈。將倒(dao)入(ru)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)桶(tong)中(zhong)(zhong)的(de)料(liao)(liao)(liao)(liao)用(yong)專業攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)機(ji)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)均(jun)(jun)(jun)(jun)勻后(hou)(hou),加入(ru)適量(liang)的(de)催化劑(ji)再進(jin)行(xing)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban),最后(hou)(hou)按比例加入(ru)黑顆粒(li)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)均(jun)(jun)(jun)(jun)勻。注:加料(liao)(liao)(liao)(liao)的(de)時(shi)候(hou)必(bi)須邊(bian)(bian)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)邊(bian)(bian)均(jun)(jun)(jun)(jun)勻緩(huan)慢(man)的(de)加入(ru)需添加的(de)原料(liao)(liao)(liao)(liao),避免破(po)壞已攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)均(jun)(jun)(jun)(jun)勻混(hun)合(he)(he)(he)(he)料(liao)(liao)(liao)(liao)的(de)內(nei)部組成結構,以(yi)保(bao)證(zheng)在(zai)塑(su)膠攤鋪過程(cheng)中(zhong)(zhong)不因此而起泡(pao)、出(chu)現(xian)局部色(se)差,影響工(gong)程(cheng)質(zhi)量(liang)。混(hun)合(he)(he)(he)(he)料(liao)(liao)(liao)(liao)進(jin)行(xing)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)時(shi),一定要攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)均(jun)(jun)(jun)(jun)勻,保(bao)證(zheng)各種(zhong)材(cai)(cai)料(liao)(liao)(liao)(liao)能(neng)充分(fen)反應(ying),每次拌(ban)(ban)(ban)料(liao)(liao)(liao)(liao)應(ying)保(bao)證(zheng)在(zai)相(xiang)同的(de)條件下進(jin)行(xing),才(cai)能(neng)保(bao)證(zheng)合(he)(he)(he)(he)成后(hou)(hou)塑(su)膠面層(ceng)無氣泡(pao)、裂痕現(xian)象,接(jie)縫平整,無明(ming)顯痕跡,表面色(se)澤均(jun)(jun)(jun)(jun)勻、耐久、均(jun)(jun)(jun)(jun)勻一致。運料(liao)(liao)(liao)(liao)工(gong)倒(dao)料(liao)(liao)(liao)(liao)時(shi),應(ying)將容器內(nei)余料(liao)(liao)(liao)(liao)刮除干(gan)凈,才(cai)能(neng)保(bao)證(zheng)每次倒(dao)入(ru)的(de)預(yu)聚體等混(hun)合(he)(he)(he)(he)材(cai)(cai)料(liao)(liao)(liao)(liao),比例符合(he)(he)(he)(he)要求及材(cai)(cai)料(liao)(liao)(liao)(liao)不會浪(lang)費損失。

2.3、攤鋪、刮平、修邊、包邊

鋪(pu)(pu)設(she)基(ji)層(ceng)之前根據(ju)場(chang)地(di)驗收測(ce)量(liang)數據(ju),對于基(ji)礎過(guo)于凹陷(xian)的(de)(de)(de)(de)部位,用(yong)(yong)適量(liang)的(de)(de)(de)(de)膠(jiao)(jiao)(jiao)料(liao)找(zhao)平(ping)(ping);如有加厚(hou)區,也要(yao)(yao)(yao)先用(yong)(yong)膠(jiao)(jiao)(jiao)料(liao)鋪(pu)(pu)設(she),與其周邊(bian)找(zhao)平(ping)(ping)。按照圖紙(zhi)測(ce)量(liang)分道,放好(hao)施工(gong)線,用(yong)(yong)粘有膠(jiao)(jiao)(jiao)帶紙(zhi)的(de)(de)(de)(de)膠(jiao)(jiao)(jiao)條框(kuang)好(hao)要(yao)(yao)(yao)鋪(pu)(pu)設(she)的(de)(de)(de)(de)場(chang)地(di)。基(ji)層(ceng)鋪(pu)(pu)設(she)控制厚(hou)度(du)為12mm,膠(jiao)(jiao)(jiao)料(liao)攤鋪(pu)(pu)過(guo)程中,刮膠(jiao)(jiao)(jiao)人員及(ji)時(shi)(shi)對露底、凹處(chu)進(jin)行(xing)補膠(jiao)(jiao)(jiao),凸起的(de)(de)(de)(de)部位刮平(ping)(ping),并保(bao)證邊(bian)緣(yuan)平(ping)(ping)整;消泡(pao)人員要(yao)(yao)(yao)不停地(di)消泡(pao),直至(zhi)無泡(pao)為止,膠(jiao)(jiao)(jiao)內(nei)(nei)如有雜物要(yao)(yao)(yao)及(ji)時(shi)(shi)清除,確保(bao)膠(jiao)(jiao)(jiao)面(mian)(mian)干凈,無刮痕。同時(shi)(shi),塑(su)(su)膠(jiao)(jiao)(jiao)底層(ceng)鋪(pu)(pu)裝(zhuang)時(shi)(shi),在塑(su)(su)膠(jiao)(jiao)(jiao)面(mian)(mian)層(ceng)與內(nei)(nei)環溝、田(tian)賽設(she)施的(de)(de)(de)(de)銜接處(chu)等接觸(chu)邊(bian)進(jin)行(xing)包邊(bian)處(chu)理(li),以免因時(shi)(shi)間過(guo)長,水份及(ji)其他雜物進(jin)入塑(su)(su)膠(jiao)(jiao)(jiao)層(ceng)內(nei)(nei),從而保(bao)證整個場(chang)地(di)的(de)(de)(de)(de)質量(liang),提高場(chang)地(di)的(de)(de)(de)(de)使用(yong)(yong)壽命。

2.4、標準養護、檢測補平

塑膠(jiao)(jiao)(jiao)(jiao)底層(ceng)鋪設(she)完后(hou),進入到常(chang)溫養(yang)護固化(hua)(hua)(hua)階段,養(yang)護期(qi)間(jian)表(biao)面不得放置任(ren)何東西,一定要(yao)保持表(biao)面的(de)(de)干凈(jing)、干燥,不得有行(xing)(xing)人或(huo)是機動車(che)輛在上(shang)面行(xing)(xing)走。通常(chang)需(xu)要(yao)24小時才能固化(hua)(hua)(hua)。當塑膠(jiao)(jiao)(jiao)(jiao)表(biao)面站(zhan)人沒有任(ren)何痕跡后(hou),可(ke)(ke)視為底膠(jiao)(jiao)(jiao)(jiao)已經完全固化(hua)(hua)(hua)。底膠(jiao)(jiao)(jiao)(jiao)固化(hua)(hua)(hua)后(hou),底膠(jiao)(jiao)(jiao)(jiao)固化(hua)(hua)(hua)后(hou),采用沖水(shui)的(de)(de)辦法檢測(ce)場(chang)地的(de)(de)平(ping)整度,若積(ji)水(shui)較深部位(wei),應(ying)作好標(biao)記(ji),待水(shui)干后(hou)馬上(shang)用膠(jiao)(jiao)(jiao)(jiao)料進行(xing)(xing)補(bu)平(ping);若局位(wei)發現顏色有明(ming)顯的(de)(de)偏差,并且(qie)有小氣泡,則(ze)膠(jiao)(jiao)(jiao)(jiao)料攪(jiao)拌不均勻(yun),作好標(biao)記(ji),立即割除不合格部位(wei),用同種符(fu)合要(yao)求的(de)(de)膠(jiao)(jiao)(jiao)(jiao)料進行(xing)(xing)補(bu)平(ping);達到要(yao)求后(hou),方可(ke)(ke)進行(xing)(xing)面膠(jiao)(jiao)(jiao)(jiao)的(de)(de)鋪設(she)。

 

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