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混合型塑膠面層施工方法：

基礎(chu)(chu)達到要(yao)(yao)求后(hou)，進(jin)行塑(su)膠(jiao)面層(ceng)(ceng)的(de)(de)攤鋪。為(wei)增強塑(su)膠(jiao)面層(ceng)(ceng)與基礎(chu)(chu)的(de)(de)黏(nian)接(jie)性(xing)、更好的(de)(de)控制場地的(de)(de)坡度、平整度，確(que)保鋪設的(de)(de)質量，我(wo)公司(si)采用二(er)次分層(ceng)(ceng)施(shi)工(gong)的(de)(de)工(gong)序進(jin)行鋪設。整個場地塑(su)膠(jiao)面層(ceng)(ceng)的(de)(de)鋪設嚴格(ge)(ge)按(an)照設計要(yao)(yao)求、塑(su)膠(jiao)跑道、輔助區(qu)和(he)半圓區(qu)嚴格(ge)(ge)按(an)國家標(biao)準(zhun)GB/T14833-93的(de)(de)要(yao)(yao)求進(jin)行施(shi)工(gong)。

根據本工程實際情況，塑膠攤鋪遵循(xun)“先里后(hou)外“的施工工序，先做兩(liang)半圓，再(zai)做跑道，后(hou)做輔助區。

1、塑膠面層鋪設前的施工準備

1.1、測(ce)量放樣、確定施工范圍

施工隊進(jin)場(chang)(chang)后，用(yong)經過校準(zhun)后的(de)經緯儀對運(yun)動(dong)場(chang)(chang)的(de)位置進(jin)行放樣，復測場(chang)(chang)地的(de)水(shui)準(zhun)點及標高，確定(ding)運(yun)動(dong)場(chang)(chang)的(de)塑膠(jiao)鋪裝(zhuang)施工范(fan)圍。

1.2、基礎層的(de)復驗(yan)及找平

按照場地(di)(di)設計要求(qiu)和塑膠鋪(pu)設工藝對(dui)場地(di)(di)基礎的要求(qiu)，對(dui)該場地(di)(di)基礎進行(xing)復(fu)核，包括測(ce)量場地(di)(di)平整度、坡度是否符合室外運動(dong)場的規(gui)定，同時在鋪(pu)設塑膠面(mian)層之前，基礎必(bi)須有(you)足夠的保養(yang)期。

檢測(ce)基礎層的平整度采用3m直尺檢測(ce)基礎層的最大凹陷程度。3m直尺的尺長精(jing)度為(wei)±3mm，尺的底(di)面平直無缺陷，0-25mm塞(sai)尺，塞(sai)尺精(jing)度為(wei)±1mm。

將3m直(zhi)尺(chi)輕放于(yu)(yu)任(ren)何(he)相鄰兩點(dian)(dian)之間，用塞尺(chi)測(ce)量(liang)(liang)最大局部凹陷不超(chao)過3mm，即為合(he)格(ge)(ge)點(dian)(dian)。每100㎡內測(ce)量(liang)(liang)不少于(yu)(yu)5個測(ce)量(liang)(liang)點(dian)(dian)數。合(he)格(ge)(ge)點(dian)(dian)數與總(zong)測(ce)量(liang)(liang)點(dian)(dian)數之比即為平(ping)整度合(he)格(ge)(ge)率(lv)。合(he)格(ge)(ge)率(lv)應不低于(yu)(yu)85% 。

基礎若(ruo)有油漬，脆化處(chu)或(huo)凸處(chu)應鏟除或(huo)磨除，凹處(chu)用同種材料進(jin)行(xing)補平(ping)，若(ruo)是裂(lie)縫應用材料填補，若(ruo)裂(lie)縫較細小時(shi)應加(jia)寬加(jia)深(shen)后再填補。

基(ji)礎(chu)補平后，清除施(shi)工面的灰(hui)(hui)層和雜物，用水將基(ji)礎(chu)沖洗干凈，使基(ji)礎(chu)表(biao)面無油(you)、無灰(hui)(hui)、干燥，才能進行塑膠面層的施(shi)工。

1.3、測量(liang)地面含水率

晴天時用透明膠(jiao)布以膠(jiao)帶貼(tie)膠(jiao)布四周于地面，待4小時后觀察，若透明膠(jiao)布內有結露(lu)現象(xiang)則不可(ke)施(shi)工(gong)，或以濕度測定儀檢查(cha)含水率低(di)于8%以下方(fang)可(ke)施(shi)工(gong)。

1.4、測量空氣濕度

用通風(feng)干濕表測量(liang)空(kong)氣濕度(du)，空(kong)氣濕度(du)應(ying)≤85%，方能施工。

1.5、施工材料、施工設備(bei)準備(bei)

塑膠(jiao)半成品材(cai)(cai)料(liao)(liao)(liao)，按照所(suo)報(bao)材(cai)(cai)料(liao)(liao)(liao)計劃(hua)一(yi)次性(xing)發往(wang)施工現場(chang)，出(chu)發和接收材(cai)(cai)料(liao)(liao)(liao)前均應(ying)清點材(cai)(cai)料(liao)(liao)(liao)的品種及數量，材(cai)(cai)料(liao)(liao)(liao)包(bao)裝若有破損，應(ying)及時(shi)處理(li)以免浪費(fei)，由于原料(liao)(liao)(liao)的化學特(te)性(xing)，塑膠(jiao)材(cai)(cai)料(liao)(liao)(liao)包(bao)裝桶一(yi)律側(ce)倒放，防止進水(shui)，現場(chang)材(cai)(cai)料(liao)(liao)(liao)員和質檢員嚴格(ge)對接收的材(cai)(cai)料(liao)(liao)(liao)進行檢驗，如有不合格(ge)材(cai)(cai)料(liao)(liao)(liao)，立即返回，不得(de)接收使用(yong)。

檢測了解鋪(pu)設現(xian)場的(de)溫度(du)(du)和濕度(du)(du)，在鋪(pu)設施工現(xian)場采用三夾板(ban)進行(xing)小試(shi)，檢驗材料(liao)比(bi)例是(shi)否嚴格按配(pei)比(bi)進行(xing)混(hun)合(he)的(de)。工程所用材料(liao)分別(bie)按批號(hao)排序，然后取樣根據現(xian)場環境條(tiao)件分別(bie)進行(xing)成(cheng)膠(jiao)(jiao)試(shi)驗以及拉(la)絲成(cheng)膠(jiao)(jiao)試(shi)驗。如果發現(xian)某批材料(liao)成(cheng)膠(jiao)(jiao)速度(du)(du)過慢，則調節催化劑(ji)的(de)用量來調節成(cheng)膠(jiao)(jiao)速度(du)(du)。

提前檢查塑(su)膠鋪設所需的機械設備(bei),使投(tou)入(ru)的機械設備(bei)能按需要進(jin)行(xing)正(zheng)常(chang)運(yun)轉，及時進(jin)行(xing)保養。

1.6、塑膠鋪(pu)設(she)前的施工注意要點

根據塑膠(jiao)跑道施(shi)工(gong)(gong)工(gong)(gong)藝的(de)要求，施(shi)工(gong)(gong)時(shi)(shi)(shi)溫度要在10℃以上、干燥、低風條(tiao)件(jian)下施(shi)工(gong)(gong)，雨前24小時(shi)(shi)(shi)不可以施(shi)工(gong)(gong)，確保(bao)(bao)(bao)工(gong)(gong)程質(zhi)量。故施(shi)工(gong)(gong)現場派(pai)專人隨時(shi)(shi)(shi)了解氣(qi)象(xiang)信(xin)息，保(bao)(bao)(bao)證(zheng)施(shi)工(gong)(gong)前24小時(shi)(shi)(shi)做好氣(qi)象(xiang)調查，制定(ding)施(shi)工(gong)(gong)作息時(shi)(shi)(shi)間，做好相(xiang)應的(de)準備，保(bao)(bao)(bao)證(zheng)工(gong)(gong)程施(shi)工(gong)(gong)順利(li)進(jin)行，保(bao)(bao)(bao)質(zhi)按(an)期完成。

施工時突發停電，攪拌桶中材料還未(wei)攪拌均勻，必須(xu)作廢料處理(li)(li)不得使用。施工用的原材料，顆(ke)粒、膠水(shui)等經(jing)監理(li)(li)見(jian)證隨機抽樣，須(xu)經(jing)過相關部門進行檢測(ce)，并出(chu)具檢測(ce)報(bao)告，合格后方可(ke)使用。

聚氨酯A、B組分配比為(wei)1：4，黑膠粒配比不超過總(zong)量的25%，面層顆(ke)粒采用(yong)EPDM膠粒，粒徑為(wei)3-5mm。

2、攤鋪塑膠底層

在塑(su)膠底層(ceng)攤鋪前(qian), 用(yong)(yong)專用(yong)(yong)膠水在瀝青混凝土基礎上均勻的涂刷(shua)一遍,以增強基礎與塑(su)膠面(mian)層(ceng)的粘接性(xing)。

2.1、底層施(shi)工流程(cheng)

攪料（T-301AB料膠水、催化(hua)劑、黑顆粒）→攤(tan)鋪、刮平、修(xiu)邊、包邊→常溫固化(hua)、檢測補(bu)平。

底(di)膠攤鋪(pu)前，為保證區(qu)分不(bu)同顏色的部位和已(yi)鋪(pu)完面(mian)層(ceng)(ceng)的干凈，測(ce)量員(yuan)在與施(shi)(shi)工(gong)(gong)部位連接(jie)處(chu)四周，用5cm寬的透明膠帶紙在塑膠面(mian)層(ceng)(ceng)邊上(shang)貼好,待塑膠面(mian)層(ceng)(ceng)施(shi)(shi)工(gong)(gong)完后(hou)，立即將膠帶紙小心的清(qing)除。施(shi)(shi)工(gong)(gong)前現場作好樣板供學校參(can)考，確(que)定材料顏色后(hou)方(fang)可進行施(shi)(shi)工(gong)(gong)。

2.2、攪料

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

攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)：開始攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)料(liao)(liao)(liao)前(qian)(qian)，在(zai)材(cai)(cai)料(liao)(liao)(liao)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)場(chang)所鋪(pu)設膠布(bu)或(huo)塑料(liao)(liao)(liao)布(bu)，避免(mian)玷(dian)污地面，損壞施工(gong)品(pin)質(zhi)及(ji)影(ying)響環境清潔(jie)。攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)桶(tong)(tong)(tong)的(de)容(rong)量(liang)應是(shi)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)量(liang)的(de)1.5-2倍，使用前(qian)(qian)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)桶(tong)(tong)(tong)保(bao)持干燥及(ji)清潔(jie)。攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)料(liao)(liao)(liao)人(ren)員將材(cai)(cai)料(liao)(liao)(liao)按(an)(an)比例(li)(li)倒(dao)入(ru)(ru)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)桶(tong)(tong)(tong)中(zhong)混合(he)(he)，材(cai)(cai)料(liao)(liao)(liao)倒(dao)入(ru)(ru)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)桶(tong)(tong)(tong)時(shi)(shi)，應向桶(tong)(tong)(tong)中(zhong)央(yang)直接倒(dao)入(ru)(ru)，切勿(wu)沿著桶(tong)(tong)(tong)邊(bian)(bian)(bian)倒(dao)入(ru)(ru)，以免(mian)附(fu)著桶(tong)(tong)(tong)邊(bian)(bian)(bian)的(de)材(cai)(cai)料(liao)(liao)(liao)無(wu)法充分攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)。材(cai)(cai)料(liao)(liao)(liao)如附(fu)于(yu)桶(tong)(tong)(tong)邊(bian)(bian)(bian)或(huo)不(bu)慎(shen)粘附(fu)其(qi)它(ta)地方應隨時(shi)(shi)以刮刀刮干凈。將倒(dao)入(ru)(ru)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)桶(tong)(tong)(tong)中(zhong)的(de)料(liao)(liao)(liao)用專業(ye)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)機攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)均(jun)勻后(hou)，加(jia)(jia)入(ru)(ru)適量(liang)的(de)催化(hua)劑再進(jin)行(xing)(xing)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)，最(zui)后(hou)按(an)(an)比例(li)(li)加(jia)(jia)入(ru)(ru)黑顆粒(li)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)均(jun)勻。注：加(jia)(jia)料(liao)(liao)(liao)的(de)時(shi)(shi)候必須(xu)邊(bian)(bian)(bian)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)邊(bian)(bian)(bian)均(jun)勻緩慢(man)的(de)加(jia)(jia)入(ru)(ru)需添(tian)加(jia)(jia)的(de)原料(liao)(liao)(liao)，避免(mian)破壞已(yi)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)均(jun)勻混合(he)(he)料(liao)(liao)(liao)的(de)內部組成(cheng)結構(gou)，以保(bao)證(zheng)(zheng)在(zai)塑膠攤鋪(pu)過(guo)程中(zhong)不(bu)因此(ci)而起泡(pao)、出現局(ju)部色(se)差，影(ying)響工(gong)程質(zhi)量(liang)。混合(he)(he)料(liao)(liao)(liao)進(jin)行(xing)(xing)攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)時(shi)(shi)，一定要攪(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)均(jun)勻，保(bao)證(zheng)(zheng)各種(zhong)材(cai)(cai)料(liao)(liao)(liao)能充分反(fan)應，每(mei)次(ci)拌(ban)(ban)(ban)(ban)(ban)料(liao)(liao)(liao)應保(bao)證(zheng)(zheng)在(zai)相同的(de)條件下進(jin)行(xing)(xing)，才(cai)能保(bao)證(zheng)(zheng)合(he)(he)成(cheng)后(hou)塑膠面層無(wu)氣泡(pao)、裂痕現象，接縫(feng)平整，無(wu)明顯痕跡，表面色(se)澤均(jun)勻、耐久、均(jun)勻一致。運料(liao)(liao)(liao)工(gong)倒(dao)料(liao)(liao)(liao)時(shi)(shi)，應將容(rong)器內余料(liao)(liao)(liao)刮除(chu)干凈，才(cai)能保(bao)證(zheng)(zheng)每(mei)次(ci)倒(dao)入(ru)(ru)的(de)預聚體等混合(he)(he)材(cai)(cai)料(liao)(liao)(liao)，比例(li)(li)符(fu)合(he)(he)要求及(ji)材(cai)(cai)料(liao)(liao)(liao)不(bu)會(hui)浪費損失。