樓梯形(xing)式

樓(lou)(lou)梯按梯段(duan)可(ke)分為(wei)單跑樓(lou)(lou)梯、雙跑樓(lou)(lou)梯和多(duo)跑樓(lou)(lou)梯。梯段(duan)的平(ping)面形(xing)狀有直線(xian)(xian)的、折線(xian)(xian)的和曲線(xian)(xian)的。

單(dan)(dan)跑(pao)樓(lou)梯(ti)最為(wei)簡(jian)單(dan)(dan)，適(shi)(shi)(shi)合(he)于(yu)(yu)層高較(jiao)低的建(jian)筑(zhu);雙跑(pao)樓(lou)梯(ti)最為(wei)常(chang)見，有雙跑(pao)直(zhi)上、雙跑(pao)曲(qu)折、雙跑(pao)對折(平(ping)行(xing))等，適(shi)(shi)(shi)用(yong)于(yu)(yu)一(yi)般民用(yong)建(jian)筑(zhu)和(he)工業(ye)建(jian)筑(zhu);三跑(pao)樓(lou)梯(ti)有三折式、丁字式、分合(he)式等，多用(yong)于(yu)(yu)公共(gong)(gong)建(jian)筑(zhu);剪刀(dao)樓(lou)梯(ti)系(xi)由一(yi)對方向相(xiang)反的雙跑(pao)平(ping)行(xing)梯(ti)組成，或(huo)由一(yi)對互相(xiang)重疊而又不連通的單(dan)(dan)跑(pao)直(zhi)上梯(ti)構成，剖面呈(cheng)交叉的剪刀(dao)形(xing)(xing)，能同時通過較(jiao)多的人(ren)(ren)流并節(jie)省(sheng)空(kong)間;螺旋轉梯(ti)是(shi)以(yi)扇形(xing)(xing)踏步支(zhi)承(cheng)在中(zhong)立(li)柱上，雖行(xing)走欠舒(shu)適(shi)(shi)(shi)，但(dan)節(jie)省(sheng)空(kong)間，適(shi)(shi)(shi)用(yong)于(yu)(yu)人(ren)(ren)流較(jiao)少(shao)，使用(yong)不頻(pin)繁的場所;圓(yuan)形(xing)(xing)、半圓(yuan)形(xing)(xing)、弧形(xing)(xing)樓(lou)梯(ti)，由曲(qu)梁(liang)或(huo)曲(qu)板支(zhi)承(cheng)，踏步略呈(cheng)扇形(xing)(xing)，花式多樣，造型活(huo)潑，富于(yu)(yu)裝飾性，適(shi)(shi)(shi)用(yong)于(yu)(yu)公共(gong)(gong)建(jian)筑(zhu)。