安装柱模板前，应先在基础面式楼面上弹出纵横轴线和四周边线，先弹两端柱轴

Before installing the column formwork, the vertical and horizontal axis and the four peripheral lines should be ejected on the foundation surface type floor. The axis and side lines of the columns at both ends should be ejected first, and then the axis and side lines of the middle part of the column should be ejected by pulling the line.

Before installing the column template, the vertical and horizontal axes and the four perimeter lines should be ejected on the base surface, the two ends of the column axis and edges, and then pull through the line to eject the axis and edges of the middle part of the column.

Before installing the column formwork, the vertical and horizontal axis and the surrounding sidelines should be popped out on the foundation floor, the axis and sidelines of the columns at both ends should be popped out first, and then the axis and sidelines of the columns in the middle should be popped out by pulling the through line.<br>