玻璃幕墙，是指由(you)支(zhi)承结(jie)(jie)构(gou)体(ti)系可相对主(zhu)体(ti)结(jie)(jie)构(gou)有一定(ding)位移(yi)能(neng)力(li)、不分(fen)担主(zhu)体(ti)结(jie)(jie)构(gou)所受(shou)作用的建筑(zhu)外围护(hu)结(jie)(jie)构(gou)或装饰结(jie)(jie)构(gou)。墙体(ti)有单层(ceng)和双层(ceng)玻(bo)璃两(liang)种。玻(bo)璃幕墙是一种美观新颖的建筑(zhu)墙体(ti)装饰方法，是现代(dai)主(zhu)义高层(ceng)建筑(zhu)时代(dai)的显(xian)著特征。

功能作用

现(xian)代化高层(ceng)(ceng)(ceng)建(jian)筑的(de)(de)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)幕墙采用(yong)(yong)了(le)由(you)(you)镜(jing)面玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)与普通(tong)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)组合，隔(ge)层(ceng)(ceng)(ceng)充入(ru)干燥(zao)空气(qi)或(huo)惰性气(qi)体的(de)(de)中(zhong)(zhong)(zhong)(zhong)空玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)。中(zhong)(zhong)(zhong)(zhong)空玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)有两层(ceng)(ceng)(ceng)和三(san)层(ceng)(ceng)(ceng)之分(fen)，两层(ceng)(ceng)(ceng)中(zhong)(zhong)(zhong)(zhong)空玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)由(you)(you)两层(ceng)(ceng)(ceng)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)加密(mi)封框架，形成一个夹(jia)层(ceng)(ceng)(ceng)空间；三(san)层(ceng)(ceng)(ceng)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)则是由(you)(you)三(san)层(ceng)(ceng)(ceng)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)构成两个夹(jia)层(ceng)(ceng)(ceng)空间。中(zhong)(zhong)(zhong)(zhong)空玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)具(ju)有隔(ge)音(yin)、隔(ge)热、防结霜、防潮、抗风压强度大(da)等优点。据测(ce)量，当室外温度为(wei)(wei)－10℃时，单层(ceng)(ceng)(ceng)玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)窗前的(de)(de)温度为(wei)(wei)－2℃，而使(shi)用(yong)(yong)三(san)层(ceng)(ceng)(ceng)中(zhong)(zhong)(zhong)(zhong)空玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)的(de)(de)室内温度为(wei)(wei)13℃。而在(zai)炎热夏天，双层(ceng)(ceng)(ceng)中(zhong)(zhong)(zhong)(zhong)空玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)可(ke)以挡住90的(de)(de)太阳(yang)辐射(she)热。阳(yang)光依(yi)然可(ke)以透过玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)幕墙，但晒在(zai)身上大(da)多不会感到(dao)炎热。使(shi)用(yong)(yong)中(zhong)(zhong)(zhong)(zhong)空玻(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)(li)幕墙的(de)(de)房间可(ke)以做到(dao)冬(dong)暖夏凉，很大(da)地改善(shan)了(le)生活环境。

基本分类

框支(zhi)撑玻璃幕墙是玻璃面板周边由金属框架支(zhi)撑的玻璃幕墙，主要包(bao)括(kuo)：

玻璃(li)幕墙是(shi)金属(shu)框架构(gou)件显露(lu)在外表(biao)面的(de)玻璃(li)幕墙。它以特殊断面的(de)铝合(he)金型(xing)材为框架，玻璃(li)面板全嵌入(ru)型(xing)材的(de)凹槽内。其特点在于铝合(he)金型(xing)材本身兼有骨架结构(gou)和(he)固定玻璃(li)的(de)双重(zhong)作用。

玻璃幕(mu)墙(qiang)是传统的形式，应用广(guang)泛，工作性能可靠。相对于隐框玻璃幕(mu)墙(qiang)，更易满足施工技(ji)术(shu)水平要求(qiu)。