There are several types of scaffolds

Scaffold type: it can be divided into external scaffold and internal scaffold according to its erection position; According to its structural form, it can be divided into multi pole type, frame type, bridge type, hanging type, lifting type, and tool type scaffolds for interlayer operation. The materials used are divided into wood, bamboo, and steel pipe scaffolds. Steel pipe scaffolds are the most widely used and owned erection tools in China. Generally, A3 electric welded steel pipes are used. Its status, development and improvement will have a decisive impact on the progress of construction scaffold technology in China.