按結構形式(shi)(shi)(shi)和受力特點樓梯形式(shi)(shi)(shi)可(ke)分為板(ban)式(shi)(shi)(shi)、梁(liang)式(shi)(shi)(shi)、懸(xuan)挑(剪刀)式(shi)(shi)(shi)和螺旋式(shi)(shi)(shi)，前(qian)兩種屬(shu)于平面受力體系(xi)，后(hou)兩種則為空間受力體系(xi)。

板(ban)(ban)(ban)式樓(lou)梯(ti)(ti)(ti)(ti)是(shi)(shi)由梯(ti)(ti)(ti)(ti)段(duan)板(ban)(ban)(ban)、平臺板(ban)(ban)(ban)和平臺梁組成。梯(ti)(ti)(ti)(ti)段(duan)板(ban)(ban)(ban)是(shi)(shi)一(yi)塊帶踏步的(de)斜板(ban)(ban)(ban)，斜板(ban)(ban)(ban)支(zhi)承于(yu)上、下(xia)(xia)平臺梁上，底層下(xia)(xia)端支(zhi)承在地壟(long)墻上。板(ban)(ban)(ban)式樓(lou)梯(ti)(ti)(ti)(ti)的(de)優(you)點是(shi)(shi)梯(ti)(ti)(ti)(ti)段(duan)板(ban)(ban)(ban)下(xia)(xia)表(biao)面平整，支(zhi)模簡(jian)單(dan);其缺點是(shi)(shi)梯(ti)(ti)(ti)(ti)段(duan)板(ban)(ban)(ban)跨度(du)較(jiao)大(da)時，斜板(ban)(ban)(ban)厚度(du)較(jiao)大(da)，結構材料用(yong)(yong)量較(jiao)多(duo)。因此板(ban)(ban)(ban)式樓(lou)梯(ti)(ti)(ti)(ti)適(shi)用(yong)(yong)于(yu)可變荷載(zai)較(jiao)小(xiao)、梯(ti)(ti)(ti)(ti)段(duan)板(ban)(ban)(ban)跨度(du)一(yi)般不大(da)于(yu)3m的(de)情況(kuang)。