樓梯形式(shi)

樓(lou)梯(ti)按梯(ti)段可分為單跑(pao)樓(lou)梯(ti)、雙跑(pao)樓(lou)梯(ti)和(he)多跑(pao)樓(lou)梯(ti)。梯(ti)段的(de)平面(mian)形(xing)狀有(you)直線(xian)的(de)、折(zhe)線(xian)的(de)和(he)曲線(xian)的(de)。

單(dan)跑(pao)(pao)樓(lou)梯(ti)(ti)(ti)最為簡單(dan)，適合于(yu)層高(gao)較低的(de)建(jian)(jian)筑;雙(shuang)跑(pao)(pao)樓(lou)梯(ti)(ti)(ti)最為常見，有(you)雙(shuang)跑(pao)(pao)直(zhi)上、雙(shuang)跑(pao)(pao)曲(qu)折(zhe)、雙(shuang)跑(pao)(pao)對(dui)折(zhe)(平行)等，適用(yong)(yong)(yong)于(yu)一(yi)(yi)般民(min)用(yong)(yong)(yong)建(jian)(jian)筑和工業建(jian)(jian)筑;三跑(pao)(pao)樓(lou)梯(ti)(ti)(ti)有(you)三折(zhe)式、丁字式、分合式等，多用(yong)(yong)(yong)于(yu)公共(gong)建(jian)(jian)筑;剪刀樓(lou)梯(ti)(ti)(ti)系由一(yi)(yi)對(dui)方向相(xiang)反的(de)雙(shuang)跑(pao)(pao)平行梯(ti)(ti)(ti)組成，或由一(yi)(yi)對(dui)互相(xiang)重疊(die)而又不連通的(de)單(dan)跑(pao)(pao)直(zhi)上梯(ti)(ti)(ti)構成，剖面呈(cheng)交叉(cha)的(de)剪刀形(xing)(xing)(xing)，能同時通過較多的(de)人流并節(jie)省(sheng)空間(jian);螺旋轉(zhuan)梯(ti)(ti)(ti)是(shi)以扇形(xing)(xing)(xing)踏步支(zhi)承在中立柱(zhu)上，雖(sui)行走(zou)欠舒適，但節(jie)省(sheng)空間(jian)，適用(yong)(yong)(yong)于(yu)人流較少，使用(yong)(yong)(yong)不頻(pin)繁的(de)場所(suo);圓(yuan)形(xing)(xing)(xing)、半(ban)圓(yuan)形(xing)(xing)(xing)、弧(hu)形(xing)(xing)(xing)樓(lou)梯(ti)(ti)(ti)，由曲(qu)梁或曲(qu)板支(zhi)承，踏步略(lve)呈(cheng)扇形(xing)(xing)(xing)，花式多樣(yang)，造型活潑(po)，富(fu)于(yu)裝(zhuang)飾性(xing)，適用(yong)(yong)(yong)于(yu)公共(gong)建(jian)(jian)筑。