How to draw a picture with a border

The drawing steps of the border are as follows:

Method 1:

1 Draw a right angle.

2. Draw a leaf next to the right angle and modify it slightly.

3. Draw an arc on the diagonal of the border.

4. Modify the arc slightly.

5. Draw leaves and flowers.

Method 2:

A straight frame is a conventional frame. Draw a rectangular box with a ruler, which can be a quadrilateral or a polygon. According to the size of the notebook, you can draw 2-3 boxes, staggered distribution, to add a little change to the monotonous rectangle.

Method 3:

Three-dimensional border painting, on the basis of straight border, how to draw can make the border more special? After drawing a straight border, draw shadows on the adjacent sides with a highlighter, which is simply three-dimensional.

The role of the boundary:

The ultimate bearing capacity, ductility and energy consumption of shear wall members with frame columns are improved to a certain extent when the longitudinal reinforcement ratio of frame columns is improved, and proper reinforcement is beneficial to the seismic performance of members. Therefore, in practical engineering design, the reinforcement ratio of frame columns should be properly controlled.

Under the same amplitude, when the stirrup ratio of frame columns is improved by increasing the stirrup diameter and decreasing the stirrup spacing, the influence of increasing the stirrup diameter of frame columns on improving the seismic performance of shear wall members with frame columns is not very significant; When the stirrup spacing decreases, the ultimate bearing capacity and energy dissipation capacity of the members are slightly improved, while the ductility of the members is greatly improved.