农村住宅楼房的楼梯,一般使用预制踏步板。使用预制踏步板,可以节约模板和工时。预制板的长度应根据楼梯间的宽度而定,一般长度为120～130厘米、宽度为30厘米、厚度为4厘米。一、一跑楼梯:要知道每一踏步高度和宽度的尺寸,首先要知道楼梯间的长度和楼层的高度,例如,楼层高度为320厘米,一般每级高度为16厘米左右。320÷16=20(级)。其中有宽度面的踏步只有19级,一般每 Stairs in rural residential buildings generally use prefabricated treads. Using prefabricated treads, you can save on formwork and man hours. The length of the prefabricated panel should be determined according to the width of the stairwell. It is generally 120-130 cm in length, 30 cm in width and 4 cm in thickness. One and one running stairs: To know the size of each step height and width, we must first know the length of the stairwell and the height of the floor, for example, the height of the floor is 320cm, generally about 16cm per level. 320÷16=20 (level). Among them, there are only 19 steps in width, and generally every