近年来各地涌现出大型剧场、影院、文化艺术中心、大型会议室等,这些建筑中往往设有大型的观众厅看台,观众座位看台呈逐排分布的圆弧形,各排看台呈阶梯形布置,而且每相邻两排座位的标高差值不相同,标高差值呈现阶梯形递增或递减。楼梯踏步的侧模板,由于每个踏步的高度是相等的,可以在踏步侧模板的上部安装通长的固定杆,来控制踏步侧模板的 In recent years, large-scale theaters, cinemas, arts and cultural centers, large conference rooms and the like have emerged in various places. Large auditorium grandstands are often installed in these buildings. Auditorium seating stands are arc-shaped distributed in rows and rows, , And each adjacent two rows of seats elevation difference is not the same, the elevation difference appears ladder-like increase or decrease. Staircase side of the template, because each step is the same height, you can step in the upper side of the template to install long through the long rod, to control the stepping side of the template