鋁(lv)(lv)工程板(ban)幕墻(qiang)是繼玻(bo)(bo)璃幕墻(qiang)之后發(fa)展起來(lai)的(de)(de)又一種(zhong)新型幕墻(qiang)結構，鋁(lv)(lv)工程板(ban)幕墻(qiang)經(jing)常與玻(bo)(bo)璃幕墻(qiang)同時使(shi)用于同一建筑物上(shang)。通常建筑物的(de)(de)透(tou)光(guang)(guang)部分用玻(bo)(bo)璃幕墻(qiang)，不(bu)透(tou)光(guang)(guang)部分采(cai)用鋁(lv)(lv)板(ban)幕墻(qiang)。由于鋁(lv)(lv)工程板(ban)的(de)(de)優(you)良(liang)的(de)(de)加工性能(neng),色彩的(de)(de)多樣及良(liang)好的(de)(de)安全(quan)性，能(neng)完(wan)全(quan)適應各種(zhong)復雜造型的(de)(de)設計，可以(yi)任意增加凹(ao)進和凸出(chu)的(de)(de)線條，而且可以(yi)加工各種(zhong)型式(shi)的(de)(de)曲線線條，因而鋁(lv)(lv)板(ban)幕墻(qiang)作為一種(zhong)極(ji)富沖擊力的(de)(de)建筑形式(shi)，給(gei)建筑師以(yi)巨(ju)大的(de)(de)發(fa)揮空間，倍(bei)受青睞(lai)。

海南鋁工程板安裝

背面(mian)(mian)含有(you)加(jia)(jia)(jia)(jia)強(qiang)肋(lei)（用(yong)鋁(lv)(lv)焊(han)釘固(gu)定(ding)在鋁(lv)(lv)工(gong)(gong)(gong)(gong)程板(ban)(ban)(ban)背面(mian)(mian)）的(de)(de)(de)鋁(lv)(lv)工(gong)(gong)(gong)(gong)程板(ban)(ban)(ban)金屬幕墻承受垂直于板(ban)(ban)(ban)面(mian)(mian)的(de)(de)(de)均布(bu)荷載時，加(jia)(jia)(jia)(jia)強(qiang)肋(lei)的(de)(de)(de)布(bu)置及在加(jia)(jia)(jia)(jia)強(qiang)肋(lei)固(gu)定(ding)周圍分布(bu)著(zhu)較大(da)的(de)(de)(de)集(ji)中應(ying)力，顯著(zhu)影響著(zhu)金屬幕墻的(de)(de)(de)承載能力及其(qi)加(jia)(jia)(jia)(jia)強(qiang)肋(lei)的(de)(de)(de)穩固(gu)性。大(da)規(gui)格鋁(lv)(lv)工(gong)(gong)(gong)(gong)程板(ban)(ban)(ban)在工(gong)(gong)(gong)(gong)程中被廣泛采用(yong)，為保證(zheng)鋁(lv)(lv)工(gong)(gong)(gong)(gong)程板(ban)(ban)(ban)面(mian)(mian)的(de)(de)(de)平整度而需進行合理(li)的(de)(de)(de)受力計(ji)算，并(bing)根據(ju)計(ji)算結果決定(ding)是否在鋁(lv)(lv)工(gong)(gong)(gong)(gong)程板(ban)(ban)(ban)面(mian)(mian)背面(mian)(mian)合理(li)設(she)置加(jia)(jia)(jia)(jia)強(qiang)筋，以增加(jia)(jia)(jia)(jia)板(ban)(ban)(ban)面(mian)(mian)的(de)(de)(de)強(qiang)度和(he)剛度。目前國(guo)內對于此方(fang)面(mian)(mian)的(de)(de)(de)研究尚不(bu)多見(jian)，本文利用(yong)有(you)限元方(fang)法求解加(jia)(jia)(jia)(jia)強(qiang)肋(lei)的(de)(de)(de)布(bu)置及在加(jia)(jia)(jia)(jia)強(qiang)肋(lei)固(gu)定(ding)周圍的(de)(de)(de)較大(da)應(ying)力，討論了加(jia)(jia)(jia)(jia)強(qiang)肋(lei)的(de)(de)(de)布(bu)置對于鋁(lv)(lv)工(gong)(gong)(gong)(gong)程板(ban)(ban)(ban)承載能力的(de)(de)(de)影響，為金屬幕墻的(de)(de)(de)設(she)計(ji)提(ti)供理(li)論依據(ju)。

1加一根橫（豎）肋

一(yi)根肋將板(ban)劃分為(wei)二個(ge)區格(ge)(ge)，這(zhe)時肋兩側區格(ge)(ge)都(dou)可取(qu)三邊(bian)簡(jian)支(zhi)（位于(yu)周邊(bian)）、一(yi)邊(bian)固(gu)定（位于(yu)中(zhong)肋支(zhi)承線）。這(zhe)種(zhong)區格(ge)(ge),板(ban)中(zhong)均有X、Y兩個(ge)方向的跨中(zhong)彎(wan)(wan)矩(ju)，中(zhong)肋支(zhi)承線支(zhi)座(zuo)處(chu)有支(zhi)座(zuo)彎(wan)(wan)矩(ju)，支(zhi)座(zuo)彎(wan)(wan)矩(ju)起控制(zhi)作用。如果兩區格(ge)(ge)等(deng)跨，就可用查出的固(gu)端(duan)彎(wan)(wan)矩(ju)系數平衡后得到的支(zhi)座(zuo)彎(wan)(wan)矩(ju)系數求(qiu)支(zhi)座(zuo)彎(wan)(wan)矩(ju)，如果不等(deng)跨就要先分別求(qiu)出固(gu)端(duan)彎(wan)(wan)矩(ju)再平衡求(qiu)出支(zhi)座(zuo)彎(wan)(wan)矩(ju)。

海南鋁工程板安裝

2加兩根橫（豎）肋

兩(liang)根肋(lei)將板(ban)(ban)劃分(fen)為三個(ge)(ge)區(qu)格(ge)，其(qi)中兩(liang)端(duan)(duan)兩(liang)個(ge)(ge)區(qu)格(ge)取(qu)三邊(bian)(bian)簡(jian)支(zhi)(zhi)（位于周邊(bian)(bian)）、一邊(bian)(bian)固(gu)定(ding)（位于中肋(lei)支(zhi)(zhi)承(cheng)(cheng)(cheng)線）計(ji)算(suan)簡(jian)圖，當(dang)中一個(ge)(ge)區(qu)格(ge)取(qu)兩(liang)對邊(bian)(bian)簡(jian)支(zhi)(zhi)（位于周邊(bian)(bian)）、兩(liang)對邊(bian)(bian)固(gu)定(ding)（位于中肋(lei)支(zhi)(zhi)承(cheng)(cheng)(cheng)線）。三個(ge)(ge)區(qu)格(ge)，板(ban)(ban)跨中均(jun)有X、Y兩(liang)個(ge)(ge)方(fang)向彎(wan)(wan)矩(ju)(ju)(ju)，中肋(lei)支(zhi)(zhi)承(cheng)(cheng)(cheng)線支(zhi)(zhi)座處(chu)有支(zhi)(zhi)座彎(wan)(wan)矩(ju)(ju)(ju)，支(zhi)(zhi)座彎(wan)(wan)矩(ju)(ju)(ju)起控制作(zuo)用，因此只需驗(yan)算(suan)支(zhi)(zhi)座彎(wan)(wan)矩(ju)(ju)(ju)效應(ying)，如(ru)(ru)果(guo)三個(ge)(ge)區(qu)格(ge)等(deng)(deng)跨，就可(ke)用查出(chu)(chu)的相鄰兩(liang)跨固(gu)端(duan)(duan)彎(wan)(wan)矩(ju)(ju)(ju)系(xi)數平衡(heng)后等(deng)(deng)到(dao)的支(zhi)(zhi)座彎(wan)(wan)矩(ju)(ju)(ju)系(xi)數求支(zhi)(zhi)座彎(wan)(wan)矩(ju)(ju)(ju)；如(ru)(ru)果(guo)不等(deng)(deng)跨就要(yao)先分(fen)別求出(chu)(chu)固(gu)端(duan)(duan)彎(wan)(wan)矩(ju)(ju)(ju)再平衡(heng)求出(chu)(chu)支(zhi)(zhi)座彎(wan)(wan)矩(ju)(ju)(ju)。

海南鋁工程板安裝

3十字形加肋

兩(liang)(liang)(liang)根(gen)互(hu)相(xiang)垂直的(de)肋(lei)將(jiang)板(ban)劃分為四(si)(si)個區格(ge)，四(si)(si)個區格(ge)都可取(qu)兩(liang)(liang)(liang)鄰(lin)邊簡支(zhi)(zhi)(位于(yu)(yu)周邊)、兩(liang)(liang)(liang)鄰(lin)邊固(gu)定(位于(yu)(yu)中(zhong)(zhong)肋(lei)支(zhi)(zhi)承線)。四(si)(si)個區格(ge)，板(ban)跨(kua)(kua)中(zhong)(zhong)均有X、Y兩(liang)(liang)(liang)個方向(xiang)的(de)彎(wan)(wan)矩(ju)(ju)，每個區格(ge)兩(liang)(liang)(liang)邊中(zhong)(zhong)肋(lei)支(zhi)(zhi)承線支(zhi)(zhi)承處均有支(zhi)(zhi)座(zuo)彎(wan)(wan)矩(ju)(ju)，兩(liang)(liang)(liang)支(zhi)(zhi)座(zuo)彎(wan)(wan)距中(zhong)(zhong)有一(yi)個大值，起(qi)控制作用，驗(yan)算(suan)時查取(qu)相(xiang)鄰(lin)兩(liang)(liang)(liang)跨(kua)(kua)固(gu)端(duan)彎(wan)(wan)矩(ju)(ju)系(xi)數進行平衡，求出支(zhi)(zhi)座(zuo)彎(wan)(wan)矩(ju)(ju)系(xi)數，取(qu)其(qi)中(zhong)(zhong)一(yi)個大值進行驗(yan)算(suan)；如果(guo)不等跨(kua)(kua)就(jiu)要先(xian)分別求出固(gu)端(duan)彎(wan)(wan)矩(ju)(ju)再(zai)平衡求出支(zhi)(zhi)座(zuo)彎(wan)(wan)矩(ju)(ju)。

4井字形加肋

兩(liang)(liang)(liang)根豎(shu)肋(lei)(lei)和兩(liang)(liang)(liang)根橫肋(lei)(lei)交義將板劃分(fen)的(de)九個區(qu)(qu)格(ge)(ge)，四角(jiao)四個區(qu)(qu)格(ge)(ge)取兩(liang)(liang)(liang)鄰(lin)(lin)簡(jian)支(zhi)(zhi)（位(wei)于周(zhou)(zhou)邊(bian)(bian)(bian)(bian)）、兩(liang)(liang)(liang)鄰(lin)(lin)邊(bian)(bian)(bian)(bian)固(gu)定（位(wei)于中(zhong)(zhong)肋(lei)(lei)支(zhi)(zhi)承線(xian)）計(ji)(ji)算(suan)簡(jian)圖；位(wei)于每邊(bian)(bian)(bian)(bian)中(zhong)(zhong)部的(de)區(qu)(qu)格(ge)(ge)取一(yi)邊(bian)(bian)(bian)(bian)簡(jian)支(zhi)(zhi)（位(wei)于周(zhou)(zhou)邊(bian)(bian)(bian)(bian)）、三邊(bian)(bian)(bian)(bian)固(gu)定（位(wei)于中(zhong)(zhong)肋(lei)(lei)支(zhi)(zhi)承線(xian)）；當中(zhong)(zhong)一(yi)個區(qu)(qu)格(ge)(ge)取四邊(bian)(bian)(bian)(bian)固(gu)定（四邊(bian)(bian)(bian)(bian)位(wei)于中(zhong)(zhong)肋(lei)(lei)支(zhi)(zhi)承線(xian)）計(ji)(ji)算(suan)簡(jian)圖。驗算(suan)取兩(liang)(liang)(liang)鄰(lin)(lin)邊(bian)(bian)(bian)(bian)固(gu)定、兩(liang)(liang)(liang)鄰(lin)(lin)簡(jian)支(zhi)(zhi)區(qu)(qu)格(ge)(ge)與一(yi)邊(bian)(bian)(bian)(bian)簡(jian)支(zhi)(zhi)、三邊(bian)(bian)(bian)(bian)固(gu)定區(qu)(qu)格(ge)(ge)共(gong)同(tong)支(zhi)(zhi)座(zuo)(zuo)處的(de)支(zhi)(zhi)座(zuo)(zuo)彎(wan)矩或一(yi)邊(bian)(bian)(bian)(bian)簡(jian)支(zhi)(zhi)、三邊(bian)(bian)(bian)(bian)固(gu)定區(qu)(qu)格(ge)(ge)與四邊(bian)(bian)(bian)(bian)固(gu)定區(qu)(qu)格(ge)(ge)共(gong)同(tong)支(zhi)(zhi)座(zuo)(zuo)處的(de)支(zhi)(zhi)座(zuo)(zuo)彎(wan)矩，在12個支(zhi)(zhi)座(zuo)(zuo)彎(wan)矩中(zhong)(zhong)一(yi)個大值(zhi)為控(kong)制截面。驗算(suan)時查取相(xiang)鄰(lin)(lin)兩(liang)(liang)(liang)跨固(gu)端(duan)彎(wan)矩系數進行平(ping)衡(heng)，求出支(zhi)(zhi)座(zuo)(zuo)彎(wan)矩系數，取12個支(zhi)(zhi)座(zuo)(zuo)彎(wan)矩系數中(zhong)(zhong)一(yi)個大值(zhi)進行驗算(suan)；如果不(bu)等(deng)跨就要先分(fen)別求出固(gu)端(duan)彎(wan)矩再平(ping)衡(heng)求出支(zhi)(zhi)座(zuo)(zuo)彎(wan)矩。