樓梯形式

樓(lou)(lou)梯按梯段可分為單跑樓(lou)(lou)梯、雙(shuang)跑樓(lou)(lou)梯和多(duo)跑樓(lou)(lou)梯。梯段的(de)平(ping)面形狀有直線的(de)、折(zhe)線的(de)和曲線的(de)。

單(dan)(dan)跑(pao)(pao)(pao)樓梯(ti)最為簡單(dan)(dan)，適合(he)于(yu)(yu)(yu)層高較(jiao)低的(de)(de)建(jian)筑(zhu);雙跑(pao)(pao)(pao)樓梯(ti)最為常(chang)見，有雙跑(pao)(pao)(pao)直上、雙跑(pao)(pao)(pao)曲(qu)折、雙跑(pao)(pao)(pao)對折(平行(xing))等，適用(yong)(yong)(yong)于(yu)(yu)(yu)一(yi)般民用(yong)(yong)(yong)建(jian)筑(zhu)和(he)工業建(jian)筑(zhu);三(san)跑(pao)(pao)(pao)樓梯(ti)有三(san)折式(shi)、丁字式(shi)、分合(he)式(shi)等，多用(yong)(yong)(yong)于(yu)(yu)(yu)公(gong)共(gong)建(jian)筑(zhu);剪刀樓梯(ti)系由一(yi)對方向相(xiang)反的(de)(de)雙跑(pao)(pao)(pao)平行(xing)梯(ti)組(zu)成，或由一(yi)對互(hu)相(xiang)重(zhong)疊而又不連通(tong)的(de)(de)單(dan)(dan)跑(pao)(pao)(pao)直上梯(ti)構成，剖面呈交叉的(de)(de)剪刀形(xing)(xing)，能(neng)同時通(tong)過較(jiao)多的(de)(de)人(ren)流并(bing)節省空間(jian)(jian);螺旋轉梯(ti)是(shi)以扇形(xing)(xing)踏步支承在中立(li)柱上，雖行(xing)走欠(qian)舒(shu)適，但節省空間(jian)(jian)，適用(yong)(yong)(yong)于(yu)(yu)(yu)人(ren)流較(jiao)少，使用(yong)(yong)(yong)不頻繁的(de)(de)場(chang)所;圓形(xing)(xing)、半圓形(xing)(xing)、弧形(xing)(xing)樓梯(ti)，由曲(qu)梁或曲(qu)板(ban)支承，踏步略呈扇形(xing)(xing)，花(hua)式(shi)多樣，造型活潑，富于(yu)(yu)(yu)裝飾性，適用(yong)(yong)(yong)于(yu)(yu)(yu)公(gong)共(gong)建(jian)筑(zhu)。