建筑(zhu)模(mo)板(ban)是一種臨時性支(zhi)護結構,按(an)設計要求制作,使混(hun)凝(ning)土結構、構件(jian)按(an)規定的(de)位置、幾何尺寸成(cheng)形,保持其正確位置,并承受建筑(zhu)模(mo)板(ban)自重及作用(yong)在其上的(de)外部荷載(zai)。進行模(mo)板(ban)工(gong)程(cheng)的(de)目的(de),是保證混(hun)凝(ning)土工(gong)程(cheng)質量與施工(gong)安全、加快施工(gong)進度(du)和降(jiang)低工(gong)程(cheng)成(cheng)本。
我(wo)國常用建筑(zhu)模(mo)板(ban)規格(ge)尺寸,一般有:830mm x 915mm、1220mm x 2440mm兩種,厚度大約(yue)為11~18mm。以(yi)下為建筑模板詳細規格(ge):
1830*915*11(mm) | 1830*915*12(mm) | 1830*915*13(mm) | 1830*915*14(mm)常用 |
1830*915*15(mm)常用 | 1830*915*16(mm) | 1830*915*17(mm) | 1830*915*18(mm) |
1220*2440*11(mm) | 1220*2440*12(mm) | 1220*2440*12(mm) | 1220*2440*13(mm) |
1220*2440*14(mm) | 1220*2440*15(mm)常用 | 1220*2440*16(mm) | 1220*2440*17(mm) |
模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)按所(suo)用的材料不同(tong),分為木模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)、鋼(gang)木模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)、鋼(gang)模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)、鋼(gang)竹模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)、膠合(he)板(ban)(ban)(ban)模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)、塑料模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)、玻璃鋼(gang)模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)、鋁合(he)金模(mo)(mo)(mo)(mo)板(ban)(ban)(ban)等。
各(ge)種(zhong)(zhong)現澆(jiao)鋼筋混凝(ning)土結構構件,由于其形狀、尺寸、構造(zao)不(bu)同(tong),模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)的構造(zao)及組(zu)裝方法也不(bu)同(tong),形成各(ge)自(zi)的特點。按結構的類型(xing)模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)分(fen)為:基(ji)礎模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)、柱模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)、梁模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)、樓(lou)板(ban)(ban)(ban)(ban)模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)、樓(lou)梯模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)、墻模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)、殼(ke)模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)、煙囪模(mo)(mo)(mo)板(ban)(ban)(ban)(ban)等多種(zhong)(zhong)。
現場裝拆式(shi)(shi)(shi)模板(ban)(ban)(ban):現場裝拆式(shi)(shi)(shi)模板(ban)(ban)(ban)多用定形模板(ban)(ban)(ban)和(he)工具式(shi)(shi)(shi)支撐(cheng);固(gu)(gu)定式(shi)(shi)(shi)模板(ban)(ban)(ban):各種(zhong)胎(tai)模(土(tu)胎(tai)模、磚胎(tai)模、混(hun)凝(ning)土(tu)胎(tai)模)即屬固(gu)(gu)定式(shi)(shi)(shi)模板(ban)(ban)(ban);移(yi)動式(shi)(shi)(shi)模板(ban)(ban)(ban):如煙囪、水塔、墻(qiang)柱混(hun)凝(ning)土(tu)澆筑時采用的滑升(sheng)模板(ban)(ban)(ban)、提升(sheng)模板(ban)(ban)(ban)和(he)筒(tong)殼(ke)澆筑混(hun)凝(ning)土(tu)時采用的水平移(yi)動式(shi)(shi)(shi)模板(ban)(ban)(ban)等。
竹膠板
是以楠竹材料做(zuo)主要架構和填充材料,經(jing)高(gao)壓成坯的建(jian)(jian)材。適用于房屋建(jian)(jian)筑中的水(shui)平(ping)模板(ban)、剪(jian)力墻、大橋及高(gao)架橋等。竹膠板(ban)板(ban)面光滑(hua)、平(ping)整(zheng),施工(gong)效果好且耐水(shui)性好,不易受(shou)潮。
楊木板
由(you)楊木(mu)(mu)旋切成(cheng)(cheng)單板(ban)(ban)(ban)或由(you)木(mu)(mu)方(fang)(fang)刨切成(cheng)(cheng)薄木(mu)(mu),再用(yong)膠粘(zhan)劑膠合而成(cheng)(cheng)的多(duo)層板(ban)(ban)(ban)狀(zhuang)材料。通常用(yong)奇(qi)數層單板(ban)(ban)(ban)并使相鄰楊木(mu)(mu)單板(ban)(ban)(ban)的纖維(wei)方(fang)(fang)向(xiang)互相垂(chui)直膠合而成(cheng)(cheng)。楊木(mu)(mu)板(ban)(ban)(ban)重(zhong)量輕、紋路(lu)清晰(xi),造價低廉。
松木板
松木板是(shi)南方方建(jian)(jian)(jian)筑工程中常(chang)用(yong)的一種(zhong)建(jian)(jian)(jian)材,多(duo)用(yong)于房屋(wu)建(jian)(jian)(jian)設。
松木(mu)板成本(ben)高,但(dan)周轉次數(shu)高、不易膨脹變形。
桉木板
由(you)桉木(mu)旋(xuan)切成單(dan)板(ban)或由(you)按木(mu)方刨切成薄木(mu),膠(jiao)合而成。房屋、橋(qiao)梁、隧道(dao)、核電工程等(deng)大型基礎(chu)設施以及混凝(ning)土美(mei)術(shu)景光(guang)、鋼鋁框模(mo)板(ban)利用(yong)等(deng)。膨脹系(xi)數小,耐(nai)(nai)潮、耐(nai)(nai)高溫且施工面光(guang)滑(hua)、美(mei)觀。
1、建(jian)筑(zhu)模(mo)(mo)板內(nei)部(bu)應清(qing)理(li)干凈。建(jian)筑(zhu)模(mo)(mo)板內(nei)遺留雜物(wu),會造成(cheng)混凝土夾渣(zha)等缺陷。為了清(qing)除建(jian)筑(zhu)模(mo)(mo)板內(nei)的(de),應該預留清(qing)掃口。
2、支建(jian)(jian)筑模(mo)(mo)板(ban)時,對預(yu)(yu)埋件(jian)(jian)、預(yu)(yu)留(liu)洞的(de)要求應該是同時固定(ding)(ding)好建(jian)(jian)筑模(mo)(mo)板(ban)上的(de)預(yu)(yu)埋件(jian)(jian)、預(yu)(yu)留(liu)洞和預(yu)(yu)留(liu)孔(kong),不遺留(liu)、尺(chi)寸符合要求,安裝牢固。偏(pian)差符合驗收(shou)規(gui)范規(gui)定(ding)(ding)。
3、建(jian)筑(zhu)模板應涂(tu)刷(shua)(shua)隔離劑。涂(tu)刷(shua)(shua)時,選取(qu)不要影響(xiang)結構和(he)妨礙裝飾裝修工程施工的油性(xing)隔離劑。同時,由于(yu)隔離劑污染鋼筋和(he)混凝土接槎(cha)處可能對混凝土結構受(shou)力(li)性(xing)能造(zao)成明顯的不利影響(xiang),所以應避(bi)免涂(tu)刷(shua)(shua)時污染鋼筋。
4、對于多層(ceng)(ceng)現澆結構,上(shang)層(ceng)(ceng)建筑模板(ban)及(ji)支(zhi)(zhi)架必然支(zhi)(zhi)撐在下層(ceng)(ceng)樓板(ban)上(shang)。此時應注意3點:一是下(xia)(xia)層樓(lou)板應(ying)具有足夠的(de)(de)(de)承載能力(li),必要時應(ying)加設支架;二是上下(xia)(xia)層支架的(de)(de)(de)立(li)柱(zhu)應(ying)基本對(dui)準(zhun);三是支架的(de)(de)(de)立(li)柱(zhu)下(xia)(xia)應(ying)鋪(pu)設墊板。在施(shi)工中,鋪(pu)設墊板的(de)(de)(de)要求不僅對(dui)于樓(lou)層,對(dui)于在地面上安裝(zhuang)的(de)(de)(de)建筑模板立(li)柱(zhu)也同樣適用。
5、建(jian)(jian)筑(zhu)模(mo)(mo)(mo)板接(jie)縫不(bu)應漏(lou)漿(jiang):建(jian)(jian)筑(zhu)模(mo)(mo)(mo)板漏(lou)漿(jiang),會造(zao)成混凝土外觀蜂窩麻(ma)面,直接(jie)影響混凝土質量。因此無(wu)論(lun)采用(yong)何種材料制作建(jian)(jian)筑(zhu)模(mo)(mo)(mo)板,其接(jie)縫都應嚴(yan)密,不(bu)漏(lou)漿(jiang)。采用(yong)木(mu)建(jian)(jian)筑(zhu)模(mo)(mo)(mo)板時(shi)(shi),由(you)于木(mu)材吸水(shui)(shui)會漲縮,所(suo)以木(mu)建(jian)(jian)筑(zhu)模(mo)(mo)(mo)板安(an)(an)裝(zhuang)時(shi)(shi)的接(jie)縫不(bu)宜過于嚴(yan)密,安(an)(an)裝(zhuang)完成后應澆水(shui)(shui)濕(shi)(shi)潤,使木(mu)板接(jie)縫閉合(he)。澆水(shui)(shui)時(shi)(shi)濕(shi)(shi)潤就可以了,建(jian)(jian)筑(zhu)模(mo)(mo)(mo)板內不(bu)應積水(shui)(shui)。
1、樓板(ban)(ban)(ban)建筑模板(ban)(ban)(ban)建議采用(yong)整張多(duo)層(ceng)板(ban)(ban)(ban)(木,竹均(jun)可(ke)以),盡量采(cai)用(yong)酚醛覆面的15~18MM厚的多層建(jian)筑模板(ban)。該種建(jian)筑模板(ban)經多次使用(yong)后邊緣(yuan)受(shou)損,要及時進(jin)行切割(ge),確(que)保多層板(ban)邊緣(yuan)平整。
2、梁,柱建筑模(mo)板(ban)宜采用中型(xing)組合建筑模(mo)板(ban),由(you)于梁,柱截面變化多,不宜用多層板(ban)切割。
3、墻(qiang)模(mo)可(ke)(ke)(ke)用(yong)(yong)中型組合建(jian)(jian)筑模(mo)板(ban)拼成(cheng)大(da)模(mo)板(ban)后整體支,拆,也可(ke)(ke)(ke)用(yong)(yong)整張(zhang)多層建(jian)(jian)筑模(mo)板(ban)制成(cheng)大(da)模(mo)板(ban),也可(ke)(ke)(ke)以(yi)用(yong)(yong)全鋼大(da)模(mo)板(ban)。一般同類型的高層建(jian)(jian)筑群體盡量統一,以(yi)確保有較高的使用(yong)(yong)周(zhou)轉率(lv)。
4、充分利用(yong)經多次(ci)切割后的(de)(de)舊多層板(ban)(ban)及短(duan)殘(can)木(mu)方制(zhi)作成各種規格(ge)的(de)(de)中(zhong),小(xiao)型木(mu)組合模(mo)板(ban)(ban),用(yong)于各種中(zhong),小(xiao)型現澆混泥土(tu)構件(jian),但必須確保(bao)這(zhe)些(xie)木(mu)定型模(mo)板(ban)(ban)的(de)(de)肋高統一尺寸(cun),板(ban)(ban)面平整,自重輕,剛度(du)好,不(bu)易損壞
5、充(chong)分(fen)利用現有小(xiao)鋼模。并(bing)做到清水混泥土要求。根(gen)據一些企業的經(jing)驗(yan),可以在組合小(xiao)鋼模的面層用塑(su)料板或其(qi)他薄板覆(fu)面,使用在樓板,剪力墻或其(qi)他構件上。
6、圓弧形墻體日漸增(zeng)多,并(bing)且曲(qu)率多變(bian)(bian),加工(gong)定型圓弧模板(ban)后,使用(yong)幾(ji)次就(jiu)要改變(bian)(bian),費工(gong)費料(liao),最近有些工(gong)程(cheng)大面積推(tui)廣應(ying)用(yong)了(le)“曲率可(ke)調弧形模板”,通過調節器(qi)調節出任意半(ban)徑的弧線(xian)模板,效(xiao)果顯著,值得大(da)力(li)推廣應用。
7、超高層(ceng)或高層(ceng)建筑(zhu)的核(he)心筒宜采(cai)用“液壓爬(pa)升(sheng)模(mo)板(ban)”,爬(pa)模(mo)工(gong)(gong)藝綜(zong)合(he)了大模(mo)板(ban)和(he)滑動模(mo)板(ban)的(de)各自優點,它可以隨著結(jie)構施工(gong)(gong)逐層(ceng)上升(sheng),施工(gong)(gong)速(su)度較快,節省場地和(he)塔(ta)吊吊次,高空(kong)作業安全,不搭外腳(jiao)手架,施工(gong)(gong)方(fang)面,尤其適用于鋼結(jie)構的(de)混泥土內筒的(de)施工(gong)(gong)作業。
建筑(zhu)(zhu)模(mo)板(ban)拆模(mo)后腰(yao)立即用(yong)交(jiao)款的(de)刮刀徹底清除(chu)模(mo)板(ban)表面利于周轉(zhuan)使用(yong);模(mo)板(ban)如(ru)果需要(yao)長(chang)期存(cun)儲應該在其表面涂抹油劑,堆放整(zheng)齊并且要(yao)用(yong)雨布遮蓋(gai);在運輸和(he)(he)存(cun)儲過程(cheng)中(zhong)要(yao)避免日曬而引起的(de)模(mo)板(ban)變(bian)形和(he)(he)老(lao)化;最后,在建筑(zhu)(zhu)工地(di)上(shang),模(mo)板(ban)要(yao)存(cun)放于平整(zheng)、干燥的(de)場地(di),一定(ding)要(yao)避免放在溫(wen)度(du)和(he)(he)濕度(du)都很極(ji)端的(de)地(di)方。