
樓梯(ti)形式
樓(lou)梯(ti)按梯(ti)段可分為(wei)單(dan)跑樓(lou)梯(ti)、雙(shuang)跑樓(lou)梯(ti)和多跑樓(lou)梯(ti)。梯(ti)段的平面形狀有直線(xian)的、折線(xian)的和曲線(xian)的。
單跑樓(lou)梯(ti)(ti)最為簡單,適(shi)合于(yu)(yu)層高(gao)較(jiao)低的(de)建(jian)(jian)筑(zhu);雙(shuang)跑樓(lou)梯(ti)(ti)最為常見(jian),有(you)雙(shuang)跑直上、雙(shuang)跑曲(qu)(qu)折、雙(shuang)跑對(dui)折(平(ping)(ping)行)等(deng),適(shi)用(yong)(yong)(yong)于(yu)(yu)一(yi)般民用(yong)(yong)(yong)建(jian)(jian)筑(zhu)和工業(ye)建(jian)(jian)筑(zhu);三跑樓(lou)梯(ti)(ti)有(you)三折式、丁字式、分合式等(deng),多(duo)用(yong)(yong)(yong)于(yu)(yu)公共建(jian)(jian)筑(zhu);剪刀樓(lou)梯(ti)(ti)系由一(yi)對(dui)方向相反的(de)雙(shuang)跑平(ping)(ping)行梯(ti)(ti)組成,或由一(yi)對(dui)互相重疊而又不(bu)連通的(de)單跑直上梯(ti)(ti)構成,剖面呈交叉的(de)剪刀形(xing),能同時通過(guo)較(jiao)多(duo)的(de)人流并節(jie)省空間;螺旋轉梯(ti)(ti)是以(yi)扇(shan)形(xing)踏步(bu)支承在(zai)中立柱(zhu)上,雖(sui)行走(zou)欠(qian)舒(shu)適(shi),但節(jie)省空間,適(shi)用(yong)(yong)(yong)于(yu)(yu)人流較(jiao)少,使用(yong)(yong)(yong)不(bu)頻繁的(de)場所;圓(yuan)形(xing)、半(ban)圓(yuan)形(xing)、弧(hu)形(xing)樓(lou)梯(ti)(ti),由曲(qu)(qu)梁(liang)或曲(qu)(qu)板(ban)支承,踏步(bu)略呈扇(shan)形(xing),花式多(duo)樣(yang),造型活(huo)潑,富于(yu)(yu)裝(zhuang)飾性,適(shi)用(yong)(yong)(yong)于(yu)(yu)公共建(jian)(jian)筑(zhu)。
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