樓梯形式(shi)

樓(lou)(lou)梯按梯段(duan)可分為單跑樓(lou)(lou)梯、雙跑樓(lou)(lou)梯和多跑樓(lou)(lou)梯。梯段(duan)的(de)平面形(xing)狀有直線的(de)、折線的(de)和曲線的(de)。

單跑(pao)樓(lou)梯(ti)(ti)(ti)最為(wei)(wei)簡單，適(shi)合于(yu)(yu)層高較(jiao)低(di)的(de)建(jian)(jian)筑(zhu)(zhu)(zhu);雙(shuang)跑(pao)樓(lou)梯(ti)(ti)(ti)最為(wei)(wei)常(chang)見，有雙(shuang)跑(pao)直上(shang)、雙(shuang)跑(pao)曲折(zhe)、雙(shuang)跑(pao)對折(zhe)(平行(xing))等，適(shi)用(yong)(yong)于(yu)(yu)一般民(min)用(yong)(yong)建(jian)(jian)筑(zhu)(zhu)(zhu)和工(gong)業建(jian)(jian)筑(zhu)(zhu)(zhu);三跑(pao)樓(lou)梯(ti)(ti)(ti)有三折(zhe)式、丁字(zi)式、分合式等，多(duo)(duo)用(yong)(yong)于(yu)(yu)公共(gong)建(jian)(jian)筑(zhu)(zhu)(zhu);剪刀樓(lou)梯(ti)(ti)(ti)系由一對方向相反的(de)雙(shuang)跑(pao)平行(xing)梯(ti)(ti)(ti)組成，或由一對互相重疊而又不連通的(de)單跑(pao)直上(shang)梯(ti)(ti)(ti)構成，剖面呈交叉的(de)剪刀形(xing)(xing)，能同時通過較(jiao)多(duo)(duo)的(de)人流并節(jie)省(sheng)空間(jian);螺旋轉梯(ti)(ti)(ti)是以(yi)扇形(xing)(xing)踏(ta)步支(zhi)(zhi)承在中立柱上(shang)，雖行(xing)走(zou)欠舒適(shi)，但節(jie)省(sheng)空間(jian)，適(shi)用(yong)(yong)于(yu)(yu)人流較(jiao)少，使用(yong)(yong)不頻繁的(de)場所(suo);圓形(xing)(xing)、半(ban)圓形(xing)(xing)、弧形(xing)(xing)樓(lou)梯(ti)(ti)(ti)，由曲梁或曲板支(zhi)(zhi)承，踏(ta)步略呈扇形(xing)(xing)，花式多(duo)(duo)樣，造型活(huo)潑，富(fu)于(yu)(yu)裝飾性(xing)，適(shi)用(yong)(yong)于(yu)(yu)公共(gong)建(jian)(jian)筑(zhu)(zhu)(zhu)。