玻(bo)璃幕墙,是指由支承结(jie)构(gou)体系可相(xiang)对主(zhu)体结(jie)构(gou)有一(yi)定位移能(neng)力、不分担主(zhu)体结(jie)构(gou)所受作(zuo)用的建(jian)筑(zhu)外(wai)围(wei)护结(jie)构(gou)或(huo)装(zhuang)饰结(jie)构(gou)。墙体有单层和双层玻璃两种(zhong)。玻璃幕墙是一(yi)种(zhong)美观新颖的建(jian)筑(zhu)墙体装(zhuang)饰方(fang)法,是现代主(zhu)义(yi)高层建(jian)筑(zhu)时代的显著特征。
功能作用
现代化高层(ceng)(ceng)(ceng)建筑(zhu)的(de)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)幕(mu)墙采用(yong)(yong)了(le)由镜面玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)与普(pu)通玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)组合,隔(ge)层(ceng)(ceng)(ceng)充入干燥(zao)空气或惰性气体的(de)中(zhong)(zhong)空玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)。中(zhong)(zhong)空玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)有(you)两层(ceng)(ceng)(ceng)和三层(ceng)(ceng)(ceng)之分,两层(ceng)(ceng)(ceng)中(zhong)(zhong)空玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)由两层(ceng)(ceng)(ceng)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)加(jia)密封框架,形成一(yi)个夹(jia)层(ceng)(ceng)(ceng)空间(jian);三层(ceng)(ceng)(ceng)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)则(ze)是由三层(ceng)(ceng)(ceng)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)构成两个夹(jia)层(ceng)(ceng)(ceng)空间(jian)。中(zhong)(zhong)空玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)具有(you)隔(ge)音、隔(ge)热、防(fang)结霜、防(fang)潮、抗风压(ya)强度(du)大(da)(da)(da)等优(you)点。据测量(liang),当室外温度(du)为-10℃时,单层(ceng)(ceng)(ceng)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)窗(chuang)前的(de)温度(du)为-2℃,而使(shi)用(yong)(yong)三层(ceng)(ceng)(ceng)中(zhong)(zhong)空玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)的(de)室内温度(du)为13℃。而在(zai)炎热夏天,双层(ceng)(ceng)(ceng)中(zhong)(zhong)空玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)可(ke)以挡住90的(de)太(tai)阳(yang)辐射(she)热。阳(yang)光依然可(ke)以透过玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)幕(mu)墙,但(dan)晒在(zai)身(shen)上大(da)(da)(da)多不会感到炎热。使(shi)用(yong)(yong)中(zhong)(zhong)空玻(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)幕(mu)墙的(de)房(fang)间(jian)可(ke)以做到冬暖夏凉,很大(da)(da)(da)地改善(shan)了(le)生活环(huan)境(jing)。
基本分类
框支撑(cheng)玻(bo)璃(li)幕(mu)墙是玻(bo)璃(li)面板(ban)周边由金(jin)属框架支撑(cheng)的玻(bo)璃(li)幕(mu)墙,主要包括:
玻璃(li)幕墙是金(jin)属框架(jia)构(gou)件(jian)显露在(zai)外表(biao)面(mian)的(de)玻璃(li)幕墙。它以(yi)特(te)殊断(duan)面(mian)的(de)铝(lv)合金(jin)型(xing)材(cai)为框架(jia),玻璃(li)面(mian)板全(quan)嵌入型(xing)材(cai)的(de)凹槽(cao)内(nei)。其特(te)点在(zai)于(yu)铝(lv)合金(jin)型(xing)材(cai)本身兼有骨架(jia)结构(gou)和(he)固定玻璃(li)的(de)双重作用。
玻璃幕墙(qiang)(qiang)是(shi)传统的形式,应(ying)用广泛(fan),工作性能可靠。相对于隐框玻璃幕墙(qiang)(qiang),更易满足施工技术(shu)水平要求。