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2011全塑膠型塑膠跑道運動場施工方案

2012-01-15 18:07:58  來源:全塑膠型施工方案  字號:【奶茶視頻在線觀看:  奶茶視頻在線觀看:  奶茶視頻在線觀看:】  瀏覽:5

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混合型塑膠面層施工方法:

基(ji)礎達(da)到要(yao)求(qiu)(qiu)后,進(jin)行塑膠(jiao)面層的(de)(de)攤鋪(pu)。為增強(qiang)塑膠(jiao)面層與基(ji)礎的(de)(de)黏(nian)接性、更好的(de)(de)控制場(chang)地的(de)(de)坡度(du)、平整度(du),確保(bao)鋪(pu)設(she)(she)的(de)(de)質量,我公(gong)司采用二(er)次分層施(shi)工(gong)的(de)(de)工(gong)序進(jin)行鋪(pu)設(she)(she)。整個場(chang)地塑膠(jiao)面層的(de)(de)鋪(pu)設(she)(she)嚴格按(an)照設(she)(she)計要(yao)求(qiu)(qiu)、塑膠(jiao)跑道、輔助(zhu)區和半圓區嚴格按(an)國家標準(zhun)GB/T14833-93的(de)(de)要(yao)求(qiu)(qiu)進(jin)行施(shi)工(gong)。

根據(ju)本(ben)工程實際(ji)情(qing)況,塑膠攤(tan)鋪(pu)遵循“先(xian)里后外(wai)“的施(shi)工工序(xu),先(xian)做兩半圓,再做跑道,后做輔助區。

1、塑膠面層鋪設前的施工準備

1.1、測量(liang)放(fang)樣、確定施工(gong)范圍

施工(gong)隊進(jin)(jin)場(chang)后(hou),用經(jing)過校準(zhun)后(hou)的(de)經(jing)緯儀(yi)對運動場(chang)的(de)位置(zhi)進(jin)(jin)行放(fang)樣,復測場(chang)地的(de)水準(zhun)點及(ji)標高,確定運動場(chang)的(de)塑膠(jiao)鋪(pu)裝施工(gong)范圍。

1.2、基礎層的復驗及找平

按照場(chang)地設(she)計要(yao)求和塑膠(jiao)鋪設(she)工藝對場(chang)地基礎的(de)要(yao)求,對該(gai)場(chang)地基礎進(jin)行復核,包括(kuo)測量場(chang)地平(ping)整度、坡度是否符合室外運動場(chang)的(de)規定,同時在鋪設(she)塑膠(jiao)面層之前,基礎必須(xu)有足夠的(de)保養期。

檢(jian)測(ce)基(ji)礎層(ceng)的平整度(du)(du)采(cai)用3m直尺檢(jian)測(ce)基(ji)礎層(ceng)的最(zui)大凹(ao)陷程度(du)(du)。3m直尺的尺長(chang)精度(du)(du)為±3mm,尺的底面平直無缺陷,0-25mm塞尺,塞尺精度(du)(du)為±1mm。

將3m直尺輕放于(yu)任何相(xiang)鄰兩點之(zhi)間,用塞尺測量(liang)最大局部凹陷不超過(guo)3mm,即(ji)為合格點。每100㎡內(nei)測量(liang)不少(shao)于(yu)5個測量(liang)點數。合格點數與總測量(liang)點數之(zhi)比即(ji)為平整度合格率。合格率應不低于(yu)85% 。

基礎若(ruo)(ruo)有油漬,脆化處或凸處應(ying)鏟(chan)除(chu)(chu)或磨除(chu)(chu),凹(ao)處用(yong)同種材料進行(xing)補(bu)平(ping),若(ruo)(ruo)是裂縫(feng)應(ying)用(yong)材料填(tian)補(bu),若(ruo)(ruo)裂縫(feng)較細(xi)小時(shi)應(ying)加寬加深(shen)后再填(tian)補(bu)。

基礎補平(ping)后,清除施工面的灰層和雜物,用水將基礎沖洗(xi)干凈,使基礎表面無(wu)油、無(wu)灰、干燥(zao),才能進(jin)行塑(su)膠面層的施工。

1.3、測量地面含(han)水率(lv)

晴(qing)天時(shi)用透明膠(jiao)布(bu)以膠(jiao)帶(dai)貼(tie)膠(jiao)布(bu)四周于地面(mian),待(dai)4小時(shi)后觀(guan)察,若(ruo)透明膠(jiao)布(bu)內有結露現象則不可(ke)施工,或以濕度測定儀檢查(cha)含(han)水率低于8%以下方可(ke)施工。

1.4、測(ce)量空氣濕度(du)

用(yong)通風干濕(shi)(shi)表測量空氣濕(shi)(shi)度,空氣濕(shi)(shi)度應≤85%,方能施(shi)工。

1.5、施(shi)工材(cai)料(liao)、施(shi)工設備準備

塑膠半成品材(cai)料(liao)(liao)(liao)(liao),按(an)照所(suo)報(bao)材(cai)料(liao)(liao)(liao)(liao)計劃(hua)一(yi)次性發(fa)往施(shi)工現(xian)場,出發(fa)和(he)接收材(cai)料(liao)(liao)(liao)(liao)前均應清(qing)點材(cai)料(liao)(liao)(liao)(liao)的品種及數量(liang),材(cai)料(liao)(liao)(liao)(liao)包裝(zhuang)若(ruo)有(you)破(po)損,應及時處理以免浪費,由于原料(liao)(liao)(liao)(liao)的化學(xue)特性,塑膠材(cai)料(liao)(liao)(liao)(liao)包裝(zhuang)桶(tong)一(yi)律側倒放,防止進水,現(xian)場材(cai)料(liao)(liao)(liao)(liao)員和(he)質檢(jian)(jian)員嚴格對(dui)接收的材(cai)料(liao)(liao)(liao)(liao)進行檢(jian)(jian)驗,如有(you)不合格材(cai)料(liao)(liao)(liao)(liao),立(li)即返(fan)回,不得接收使(shi)用。

檢測了解鋪(pu)設現場的(de)溫度和濕(shi)度,在(zai)鋪(pu)設施工現場采(cai)用(yong)三夾(jia)板進行小試(shi),檢驗(yan)材(cai)(cai)料比(bi)例(li)是否嚴格(ge)按配比(bi)進行混合的(de)。工程所用(yong)材(cai)(cai)料分(fen)別按批(pi)號排(pai)序,然后(hou)取(qu)樣(yang)根(gen)據現場環(huan)境條件分(fen)別進行成(cheng)膠(jiao)(jiao)試(shi)驗(yan)以及拉絲成(cheng)膠(jiao)(jiao)試(shi)驗(yan)。如(ru)果發現某批(pi)材(cai)(cai)料成(cheng)膠(jiao)(jiao)速度過慢,則調(diao)節(jie)催化劑的(de)用(yong)量來調(diao)節(jie)成(cheng)膠(jiao)(jiao)速度。

提前(qian)檢查塑膠鋪設所需的機械設備,使投入的機械設備能按需要進行(xing)正(zheng)常運(yun)轉,及時進行(xing)保(bao)養。

1.6、塑膠鋪設前(qian)的施工注(zhu)意要點

根據塑膠跑道施(shi)工(gong)工(gong)藝的要求,施(shi)工(gong)時(shi)溫(wen)度要在10℃以(yi)上、干燥、低(di)風條件下(xia)施(shi)工(gong),雨前(qian)24小(xiao)時(shi)不可以(yi)施(shi)工(gong),確保(bao)(bao)工(gong)程質量。故施(shi)工(gong)現場派專(zhuan)人隨時(shi)了(le)解氣象信息(xi),保(bao)(bao)證施(shi)工(gong)前(qian)24小(xiao)時(shi)做(zuo)好氣象調查,制定施(shi)工(gong)作息(xi)時(shi)間,做(zuo)好相應的準備(bei),保(bao)(bao)證工(gong)程施(shi)工(gong)順(shun)利進(jin)行,保(bao)(bao)質按期完成。

施(shi)工時突發停電,攪拌桶中材(cai)(cai)料還(huan)未攪拌均(jun)勻,必須作廢料處理不得使(shi)(shi)用(yong)(yong)。施(shi)工用(yong)(yong)的(de)原(yuan)材(cai)(cai)料,顆(ke)粒、膠水等經監理見(jian)證(zheng)隨(sui)機抽樣,須經過(guo)相關(guan)部門進行檢測(ce),并出(chu)具檢測(ce)報告,合格后方可使(shi)(shi)用(yong)(yong)。

聚氨酯A、B組(zu)分配(pei)比為1:4,黑膠粒配(pei)比不(bu)超過總量的25%,面層(ceng)顆粒采用(yong)EPDM膠粒,粒徑(jing)為3-5mm。

2、攤鋪塑膠底層

在(zai)塑膠(jiao)底層(ceng)攤鋪前, 用(yong)專用(yong)膠(jiao)水在(zai)瀝青(qing)混凝土基(ji)(ji)礎上均勻的(de)涂刷一遍(bian),以增強(qiang)基(ji)(ji)礎與塑膠(jiao)面層(ceng)的(de)粘接性。

2.1、底層施(shi)工流程

攪料(T-301AB料膠水(shui)、催(cui)化劑、黑顆粒)→攤鋪、刮(gua)平、修邊(bian)、包邊(bian)→常溫固化、檢測補(bu)平。

底膠攤(tan)鋪前,為保證(zheng)區分不同(tong)顏(yan)色(se)的(de)部位和已(yi)鋪完面層的(de)干凈,測(ce)量員在與施工部位連接處四(si)周,用5cm寬的(de)透明膠帶(dai)紙(zhi)在塑膠面層邊上貼好,待塑膠面層施工完后,立(li)即將膠帶(dai)紙(zhi)小心的(de)清除。施工前現場作好樣(yang)板供學校(xiao)參考(kao),確定材料(liao)顏(yan)色(se)后方可進行(xing)施工。

2.2、攪料

選料: 嚴格(ge)按照公司技(ji)術部下發的工藝(yi)配(pei)方進行(xing)配(pei)比,配(pei)比系數為T-301AB膠水(shui)10.5kg/㎡,黑顆(ke)粒3kg/㎡。

攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban):開(kai)始攪(jiao)(jiao)(jiao)(jiao)(jiao)料(liao)(liao)(liao)前(qian),在(zai)材(cai)(cai)料(liao)(liao)(liao)攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)場(chang)所鋪(pu)設膠(jiao)布(bu)或塑(su)料(liao)(liao)(liao)布(bu),避(bi)免玷污地面,損壞施工(gong)品質(zhi)及(ji)影(ying)響環境清潔。攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)桶(tong)的(de)(de)(de)(de)(de)容量應(ying)是攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)量的(de)(de)(de)(de)(de)1.5-2倍,使用前(qian)攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)桶(tong)保持干(gan)(gan)燥及(ji)清潔。攪(jiao)(jiao)(jiao)(jiao)(jiao)料(liao)(liao)(liao)人員將(jiang)材(cai)(cai)料(liao)(liao)(liao)按(an)比(bi)例倒(dao)(dao)(dao)入(ru)(ru)攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)桶(tong)中混合(he)(he)(he),材(cai)(cai)料(liao)(liao)(liao)倒(dao)(dao)(dao)入(ru)(ru)攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)桶(tong)時(shi),應(ying)向桶(tong)中央直接倒(dao)(dao)(dao)入(ru)(ru),切勿沿著桶(tong)邊(bian)倒(dao)(dao)(dao)入(ru)(ru),以(yi)免附(fu)著桶(tong)邊(bian)的(de)(de)(de)(de)(de)材(cai)(cai)料(liao)(liao)(liao)無(wu)(wu)法充(chong)分攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)。材(cai)(cai)料(liao)(liao)(liao)如(ru)附(fu)于桶(tong)邊(bian)或不慎(shen)粘附(fu)其它地方應(ying)隨時(shi)以(yi)刮(gua)刀刮(gua)干(gan)(gan)凈。將(jiang)倒(dao)(dao)(dao)入(ru)(ru)攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)桶(tong)中的(de)(de)(de)(de)(de)料(liao)(liao)(liao)用專(zhuan)業攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)機攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)均(jun)(jun)(jun)勻(yun)(yun)后(hou)(hou),加(jia)入(ru)(ru)適量的(de)(de)(de)(de)(de)催(cui)化劑再進(jin)行攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban),最后(hou)(hou)按(an)比(bi)例加(jia)入(ru)(ru)黑顆粒攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)均(jun)(jun)(jun)勻(yun)(yun)。注(zhu):加(jia)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)時(shi)候必(bi)須(xu)邊(bian)攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)邊(bian)均(jun)(jun)(jun)勻(yun)(yun)緩(huan)慢的(de)(de)(de)(de)(de)加(jia)入(ru)(ru)需添加(jia)的(de)(de)(de)(de)(de)原料(liao)(liao)(liao),避(bi)免破(po)壞已攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)均(jun)(jun)(jun)勻(yun)(yun)混合(he)(he)(he)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)內部組成結構,以(yi)保證(zheng)在(zai)塑(su)膠(jiao)攤鋪(pu)過程中不因此而起泡、出現局部色差,影(ying)響工(gong)程質(zhi)量。混合(he)(he)(he)料(liao)(liao)(liao)進(jin)行攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)時(shi),一(yi)定(ding)要攪(jiao)(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)均(jun)(jun)(jun)勻(yun)(yun),保證(zheng)各種材(cai)(cai)料(liao)(liao)(liao)能(neng)充(chong)分反(fan)應(ying),每次拌(ban)(ban)(ban)(ban)(ban)(ban)(ban)料(liao)(liao)(liao)應(ying)保證(zheng)在(zai)相同的(de)(de)(de)(de)(de)條件下(xia)進(jin)行,才能(neng)保證(zheng)合(he)(he)(he)成后(hou)(hou)塑(su)膠(jiao)面層無(wu)(wu)氣泡、裂痕現象,接縫平整,無(wu)(wu)明顯痕跡,表面色澤均(jun)(jun)(jun)勻(yun)(yun)、耐久、均(jun)(jun)(jun)勻(yun)(yun)一(yi)致。運料(liao)(liao)(liao)工(gong)倒(dao)(dao)(dao)料(liao)(liao)(liao)時(shi),應(ying)將(jiang)容器內余料(liao)(liao)(liao)刮(gua)除(chu)干(gan)(gan)凈,才能(neng)保證(zheng)每次倒(dao)(dao)(dao)入(ru)(ru)的(de)(de)(de)(de)(de)預聚(ju)體等(deng)混合(he)(he)(he)材(cai)(cai)料(liao)(liao)(liao),比(bi)例符合(he)(he)(he)要求及(ji)材(cai)(cai)料(liao)(liao)(liao)不會浪費損失。

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