1, familiar with the basic symbols and meanings of door frame wall drawings. Walls, doors, windows, columns, parking spaces, marking lines and elevation rulers all have specific symbols.
2, understand the proportion of drawings. The ratio of the door frame wall drawing is usually 1: 50 or 1: 100, which indicates the ratio of the actual size to the size on the drawing.
3. Understand the layout and size of drawings. Important information such as wall thickness, door and window size, number and position of columns can be determined by looking at the information marked on the drawings.
4. According to the information on the drawings, judge the structure and layout of the building, and you can see the overall structure and spatial layout of the building from the plan and elevation.
5. Pay attention to the details on the drawings. Such as door and window type, material, glass type, wall structure, etc. These details are very important for construction and quality control.