樓梯(ti)形(xing)式

樓梯按梯段可(ke)分為單跑樓梯、雙(shuang)跑樓梯和多跑樓梯。梯段的平(ping)面形狀有直(zhi)線的、折線的和曲線的。

單(dan)跑(pao)(pao)樓(lou)梯(ti)最(zui)為簡單(dan)，適合于(yu)(yu)層高(gao)較低的建(jian)筑(zhu);雙(shuang)(shuang)跑(pao)(pao)樓(lou)梯(ti)最(zui)為常見，有雙(shuang)(shuang)跑(pao)(pao)直上(shang)(shang)、雙(shuang)(shuang)跑(pao)(pao)曲(qu)折、雙(shuang)(shuang)跑(pao)(pao)對(dui)(dui)折(平(ping)(ping)行(xing)(xing))等(deng)，適用(yong)(yong)(yong)于(yu)(yu)一般(ban)民用(yong)(yong)(yong)建(jian)筑(zhu)和工業(ye)建(jian)筑(zhu);三(san)跑(pao)(pao)樓(lou)梯(ti)有三(san)折式(shi)、丁字式(shi)、分合式(shi)等(deng)，多(duo)(duo)用(yong)(yong)(yong)于(yu)(yu)公(gong)共(gong)建(jian)筑(zhu);剪刀樓(lou)梯(ti)系由(you)(you)一對(dui)(dui)方(fang)向相(xiang)反的雙(shuang)(shuang)跑(pao)(pao)平(ping)(ping)行(xing)(xing)梯(ti)組成(cheng)，或由(you)(you)一對(dui)(dui)互相(xiang)重疊而又不連通的單(dan)跑(pao)(pao)直上(shang)(shang)梯(ti)構成(cheng)，剖面呈交叉的剪刀形(xing)，能同時通過較多(duo)(duo)的人流并節省空間(jian);螺(luo)旋轉梯(ti)是(shi)以扇形(xing)踏步支承在中立柱上(shang)(shang)，雖行(xing)(xing)走欠舒適，但節省空間(jian)，適用(yong)(yong)(yong)于(yu)(yu)人流較少，使用(yong)(yong)(yong)不頻繁(fan)的場所(suo);圓(yuan)形(xing)、半圓(yuan)形(xing)、弧(hu)形(xing)樓(lou)梯(ti)，由(you)(you)曲(qu)梁或曲(qu)板支承，踏步略呈扇形(xing)，花式(shi)多(duo)(duo)樣，造(zao)型活潑，富于(yu)(yu)裝(zhuang)飾性(xing)，適用(yong)(yong)(yong)于(yu)(yu)公(gong)共(gong)建(jian)筑(zhu)。