樓梯形式

樓(lou)梯按梯段可分為單跑(pao)樓(lou)梯、雙跑(pao)樓(lou)梯和多跑(pao)樓(lou)梯。梯段的(de)平面形狀有直線(xian)的(de)、折線(xian)的(de)和曲線(xian)的(de)。

單(dan)(dan)跑(pao)樓(lou)(lou)梯(ti)(ti)最為簡單(dan)(dan)，適(shi)合(he)于層(ceng)高較(jiao)(jiao)低的建筑(zhu);雙(shuang)(shuang)跑(pao)樓(lou)(lou)梯(ti)(ti)最為常見，有雙(shuang)(shuang)跑(pao)直上(shang)(shang)、雙(shuang)(shuang)跑(pao)曲折、雙(shuang)(shuang)跑(pao)對(dui)(dui)折(平(ping)(ping)行(xing))等，適(shi)用(yong)(yong)于一般民用(yong)(yong)建筑(zhu)和工業建筑(zhu);三跑(pao)樓(lou)(lou)梯(ti)(ti)有三折式(shi)、丁字式(shi)、分合(he)式(shi)等，多(duo)用(yong)(yong)于公共(gong)建筑(zhu);剪刀(dao)樓(lou)(lou)梯(ti)(ti)系由一對(dui)(dui)方向相反(fan)的雙(shuang)(shuang)跑(pao)平(ping)(ping)行(xing)梯(ti)(ti)組成(cheng)(cheng)，或由一對(dui)(dui)互相重疊而又不(bu)連通(tong)的單(dan)(dan)跑(pao)直上(shang)(shang)梯(ti)(ti)構成(cheng)(cheng)，剖(pou)面(mian)呈(cheng)交叉的剪刀(dao)形(xing)(xing)，能(neng)同時通(tong)過較(jiao)(jiao)多(duo)的人(ren)流并節省空(kong)間;螺旋(xuan)轉梯(ti)(ti)是以扇形(xing)(xing)踏步(bu)支承在中立柱上(shang)(shang)，雖行(xing)走欠舒適(shi)，但節省空(kong)間，適(shi)用(yong)(yong)于人(ren)流較(jiao)(jiao)少，使用(yong)(yong)不(bu)頻繁的場所(suo);圓(yuan)形(xing)(xing)、半圓(yuan)形(xing)(xing)、弧(hu)形(xing)(xing)樓(lou)(lou)梯(ti)(ti)，由曲梁或曲板支承，踏步(bu)略呈(cheng)扇形(xing)(xing)，花(hua)式(shi)多(duo)樣，造型活潑，富于裝飾(shi)性(xing)，適(shi)用(yong)(yong)于公共(gong)建筑(zhu)。