鋁(lv)工(gong)(gong)程(cheng)板幕墻(qiang)(qiang)是(shi)繼(ji)玻(bo)璃(li)幕墻(qiang)(qiang)之后發(fa)展起來的(de)(de)(de)(de)又(you)一種(zhong)新型(xing)幕墻(qiang)(qiang)結構，鋁(lv)工(gong)(gong)程(cheng)板幕墻(qiang)(qiang)經常(chang)與玻(bo)璃(li)幕墻(qiang)(qiang)同時使用(yong)于同一建筑(zhu)物上。通(tong)常(chang)建筑(zhu)物的(de)(de)(de)(de)透光部分用(yong)玻(bo)璃(li)幕墻(qiang)(qiang)，不(bu)透光部分采(cai)用(yong)鋁(lv)板幕墻(qiang)(qiang)。由(you)于鋁(lv)工(gong)(gong)程(cheng)板的(de)(de)(de)(de)優(you)良(liang)的(de)(de)(de)(de)加工(gong)(gong)性(xing)能,色(se)彩(cai)的(de)(de)(de)(de)多樣及良(liang)好的(de)(de)(de)(de)安全(quan)性(xing)，能完全(quan)適(shi)應(ying)各種(zhong)復雜造型(xing)的(de)(de)(de)(de)設計，可以任(ren)意增加凹(ao)進(jin)和凸(tu)出的(de)(de)(de)(de)線(xian)條(tiao)，而(er)且可以加工(gong)(gong)各種(zhong)型(xing)式的(de)(de)(de)(de)曲線(xian)線(xian)條(tiao)，因而(er)鋁(lv)板幕墻(qiang)(qiang)作為一種(zhong)極富沖擊力的(de)(de)(de)(de)建筑(zhu)形式，給(gei)建筑(zhu)師以巨(ju)大的(de)(de)(de)(de)發(fa)揮空間，倍受青睞(lai)。

海南鋁工程板安裝

背(bei)(bei)面含有(you)加(jia)(jia)強(qiang)(qiang)(qiang)肋(lei)(lei)(lei)（用鋁(lv)焊釘固定(ding)在(zai)(zai)鋁(lv)工(gong)(gong)程(cheng)板(ban)(ban)背(bei)(bei)面）的(de)(de)(de)(de)鋁(lv)工(gong)(gong)程(cheng)板(ban)(ban)金屬(shu)幕墻承(cheng)(cheng)受垂直于(yu)板(ban)(ban)面的(de)(de)(de)(de)均布(bu)(bu)荷(he)載時，加(jia)(jia)強(qiang)(qiang)(qiang)肋(lei)(lei)(lei)的(de)(de)(de)(de)布(bu)(bu)置(zhi)(zhi)及(ji)在(zai)(zai)加(jia)(jia)強(qiang)(qiang)(qiang)肋(lei)(lei)(lei)固定(ding)周圍(wei)分布(bu)(bu)著(zhu)較大(da)的(de)(de)(de)(de)集中(zhong)應(ying)力(li)(li)，顯著(zhu)影(ying)響著(zhu)金屬(shu)幕墻的(de)(de)(de)(de)承(cheng)(cheng)載能(neng)(neng)力(li)(li)及(ji)其加(jia)(jia)強(qiang)(qiang)(qiang)肋(lei)(lei)(lei)的(de)(de)(de)(de)穩固性。大(da)規格鋁(lv)工(gong)(gong)程(cheng)板(ban)(ban)在(zai)(zai)工(gong)(gong)程(cheng)中(zhong)被(bei)廣泛采用，為(wei)保證鋁(lv)工(gong)(gong)程(cheng)板(ban)(ban)面的(de)(de)(de)(de)平(ping)整度(du)而需進(jin)行合理(li)的(de)(de)(de)(de)受力(li)(li)計(ji)算，并根據計(ji)算結果決定(ding)是否(fou)在(zai)(zai)鋁(lv)工(gong)(gong)程(cheng)板(ban)(ban)面背(bei)(bei)面合理(li)設(she)置(zhi)(zhi)加(jia)(jia)強(qiang)(qiang)(qiang)筋(jin)，以增加(jia)(jia)板(ban)(ban)面的(de)(de)(de)(de)強(qiang)(qiang)(qiang)度(du)和(he)剛度(du)。目(mu)前國內對(dui)于(yu)此(ci)方面的(de)(de)(de)(de)研究尚(shang)不(bu)多見，本文利用有(you)限元方法求(qiu)解(jie)加(jia)(jia)強(qiang)(qiang)(qiang)肋(lei)(lei)(lei)的(de)(de)(de)(de)布(bu)(bu)置(zhi)(zhi)及(ji)在(zai)(zai)加(jia)(jia)強(qiang)(qiang)(qiang)肋(lei)(lei)(lei)固定(ding)周圍(wei)的(de)(de)(de)(de)較大(da)應(ying)力(li)(li)，討論了加(jia)(jia)強(qiang)(qiang)(qiang)肋(lei)(lei)(lei)的(de)(de)(de)(de)布(bu)(bu)置(zhi)(zhi)對(dui)于(yu)鋁(lv)工(gong)(gong)程(cheng)板(ban)(ban)承(cheng)(cheng)載能(neng)(neng)力(li)(li)的(de)(de)(de)(de)影(ying)響，為(wei)金屬(shu)幕墻的(de)(de)(de)(de)設(she)計(ji)提供理(li)論依(yi)據。

1加一根橫（豎）肋

一(yi)根肋(lei)將(jiang)板劃分為二個區格(ge)，這(zhe)時肋(lei)兩側區格(ge)都可(ke)取三邊簡支(zhi)（位于(yu)周(zhou)邊）、一(yi)邊固定（位于(yu)中(zhong)(zhong)肋(lei)支(zhi)承(cheng)線）。這(zhe)種區格(ge),板中(zhong)(zhong)均(jun)有X、Y兩個方向的(de)跨中(zhong)(zhong)彎(wan)(wan)矩(ju)(ju)(ju)，中(zhong)(zhong)肋(lei)支(zhi)承(cheng)線支(zhi)座(zuo)處(chu)有支(zhi)座(zuo)彎(wan)(wan)矩(ju)(ju)(ju)，支(zhi)座(zuo)彎(wan)(wan)矩(ju)(ju)(ju)起控制作用(yong)。如果(guo)兩區格(ge)等(deng)跨，就(jiu)可(ke)用(yong)查(cha)出的(de)固端(duan)彎(wan)(wan)矩(ju)(ju)(ju)系(xi)數平衡后得(de)到的(de)支(zhi)座(zuo)彎(wan)(wan)矩(ju)(ju)(ju)系(xi)數求支(zhi)座(zuo)彎(wan)(wan)矩(ju)(ju)(ju)，如果(guo)不等(deng)跨就(jiu)要先分別(bie)求出固端(duan)彎(wan)(wan)矩(ju)(ju)(ju)再平衡求出支(zhi)座(zuo)彎(wan)(wan)矩(ju)(ju)(ju)。

海南鋁工程板安裝

2加兩根橫（豎）肋

兩(liang)根肋(lei)(lei)將板劃分為三個(ge)(ge)(ge)區格(ge)，其中兩(liang)端(duan)兩(liang)個(ge)(ge)(ge)區格(ge)取三邊(bian)簡支(zhi)（位(wei)(wei)于(yu)周邊(bian)）、一邊(bian)固(gu)定(ding)（位(wei)(wei)于(yu)中肋(lei)(lei)支(zhi)承(cheng)線）計算簡圖，當(dang)中一個(ge)(ge)(ge)區格(ge)取兩(liang)對邊(bian)簡支(zhi)（位(wei)(wei)于(yu)周邊(bian)）、兩(liang)對邊(bian)固(gu)定(ding)（位(wei)(wei)于(yu)中肋(lei)(lei)支(zhi)承(cheng)線）。三個(ge)(ge)(ge)區格(ge)，板跨中均有X、Y兩(liang)個(ge)(ge)(ge)方向彎矩，中肋(lei)(lei)支(zhi)承(cheng)線支(zhi)座(zuo)處有支(zhi)座(zuo)彎矩，支(zhi)座(zuo)彎矩起控制作(zuo)用(yong)，因此只需驗算支(zhi)座(zuo)彎矩效應，如果三個(ge)(ge)(ge)區格(ge)等(deng)(deng)跨，就可(ke)用(yong)查出的相鄰兩(liang)跨固(gu)端(duan)彎矩系數平衡(heng)后(hou)等(deng)(deng)到的支(zhi)座(zuo)彎矩系數求(qiu)支(zhi)座(zuo)彎矩；如果不等(deng)(deng)跨就要先分別求(qiu)出固(gu)端(duan)彎矩再平衡(heng)求(qiu)出支(zhi)座(zuo)彎矩。

海南鋁工程板安裝

3十字形加肋

兩(liang)根互相垂直的(de)肋將板劃分(fen)為四個(ge)區格(ge)，四個(ge)區格(ge)都可取(qu)(qu)兩(liang)鄰邊(bian)簡(jian)支(zhi)(zhi)(位于周邊(bian))、兩(liang)鄰邊(bian)固定(位于中(zhong)肋支(zhi)(zhi)承線)。四個(ge)區格(ge)，板跨(kua)(kua)中(zhong)均有X、Y兩(liang)個(ge)方(fang)向的(de)彎(wan)(wan)(wan)矩，每(mei)個(ge)區格(ge)兩(liang)邊(bian)中(zhong)肋支(zhi)(zhi)承線支(zhi)(zhi)承處均有支(zhi)(zhi)座彎(wan)(wan)(wan)矩，兩(liang)支(zhi)(zhi)座彎(wan)(wan)(wan)距中(zhong)有一個(ge)大值(zhi)(zhi)，起控制作用，驗算時查取(qu)(qu)相鄰兩(liang)跨(kua)(kua)固端彎(wan)(wan)(wan)矩系(xi)數進(jin)行平衡，求(qiu)出支(zhi)(zhi)座彎(wan)(wan)(wan)矩系(xi)數，取(qu)(qu)其中(zhong)一個(ge)大值(zhi)(zhi)進(jin)行驗算；如果不等跨(kua)(kua)就要先分(fen)別求(qiu)出固端彎(wan)(wan)(wan)矩再平衡求(qiu)出支(zhi)(zhi)座彎(wan)(wan)(wan)矩。

4井字形加肋

兩(liang)(liang)(liang)(liang)根豎肋和兩(liang)(liang)(liang)(liang)根橫肋交義將(jiang)板(ban)劃(hua)分的九(jiu)個(ge)(ge)(ge)區格(ge)(ge)，四(si)(si)角四(si)(si)個(ge)(ge)(ge)區格(ge)(ge)取(qu)(qu)兩(liang)(liang)(liang)(liang)鄰(lin)簡(jian)(jian)支(zhi)(zhi)(zhi)(zhi)(zhi)（位于周邊(bian)(bian)(bian)）、兩(liang)(liang)(liang)(liang)鄰(lin)邊(bian)(bian)(bian)固(gu)定(ding)(ding)（位于中(zhong)(zhong)肋支(zhi)(zhi)(zhi)(zhi)(zhi)承(cheng)(cheng)線）計算簡(jian)(jian)圖；位于每邊(bian)(bian)(bian)中(zhong)(zhong)部的區格(ge)(ge)取(qu)(qu)一邊(bian)(bian)(bian)簡(jian)(jian)支(zhi)(zhi)(zhi)(zhi)(zhi)（位于周邊(bian)(bian)(bian)）、三(san)邊(bian)(bian)(bian)固(gu)定(ding)(ding)（位于中(zhong)(zhong)肋支(zhi)(zhi)(zhi)(zhi)(zhi)承(cheng)(cheng)線）；當中(zhong)(zhong)一個(ge)(ge)(ge)區格(ge)(ge)取(qu)(qu)四(si)(si)邊(bian)(bian)(bian)固(gu)定(ding)(ding)（四(si)(si)邊(bian)(bian)(bian)位于中(zhong)(zhong)肋支(zhi)(zhi)(zhi)(zhi)(zhi)承(cheng)(cheng)線）計算簡(jian)(jian)圖。驗算取(qu)(qu)兩(liang)(liang)(liang)(liang)鄰(lin)邊(bian)(bian)(bian)固(gu)定(ding)(ding)、兩(liang)(liang)(liang)(liang)鄰(lin)簡(jian)(jian)支(zhi)(zhi)(zhi)(zhi)(zhi)區格(ge)(ge)與一邊(bian)(bian)(bian)簡(jian)(jian)支(zhi)(zhi)(zhi)(zhi)(zhi)、三(san)邊(bian)(bian)(bian)固(gu)定(ding)(ding)區格(ge)(ge)共(gong)(gong)同支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)處的支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)彎(wan)矩(ju)(ju)(ju)或一邊(bian)(bian)(bian)簡(jian)(jian)支(zhi)(zhi)(zhi)(zhi)(zhi)、三(san)邊(bian)(bian)(bian)固(gu)定(ding)(ding)區格(ge)(ge)與四(si)(si)邊(bian)(bian)(bian)固(gu)定(ding)(ding)區格(ge)(ge)共(gong)(gong)同支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)處的支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)彎(wan)矩(ju)(ju)(ju)，在12個(ge)(ge)(ge)支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)彎(wan)矩(ju)(ju)(ju)中(zhong)(zhong)一個(ge)(ge)(ge)大值(zhi)為控制截面。驗算時查取(qu)(qu)相鄰(lin)兩(liang)(liang)(liang)(liang)跨固(gu)端(duan)彎(wan)矩(ju)(ju)(ju)系(xi)數(shu)進行平(ping)衡(heng)，求出(chu)支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)彎(wan)矩(ju)(ju)(ju)系(xi)數(shu)，取(qu)(qu)12個(ge)(ge)(ge)支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)彎(wan)矩(ju)(ju)(ju)系(xi)數(shu)中(zhong)(zhong)一個(ge)(ge)(ge)大值(zhi)進行驗算；如(ru)果不等跨就要(yao)先(xian)分別求出(chu)固(gu)端(duan)彎(wan)矩(ju)(ju)(ju)再平(ping)衡(heng)求出(chu)支(zhi)(zhi)(zhi)(zhi)(zhi)座(zuo)(zuo)彎(wan)矩(ju)(ju)(ju)。