Advantages and disadvantages of portal steel pipe scaffolding

(1）. Advantages
1: The geometric dimensions of portal steel pipe scaffolding are standardized.
2: The structure is reasonable, the mechanical performance is good, the strength of the steel is fully utilized, and the bearing capacity is high.
3: Easy assembly and disassembly during construction, high erection efficiency, labor-saving and time-saving, safe and reliable, economical and applicable.
（2）. Disadvantages
1: There is no flexibility in the size of the frame, and any change in the size of the frame needs to be replaced with another type of door frame and its accessories
2: The cross support is easy to break at the middle hinge point;
3: The shaped scaffolding board is heavy,
4: The price is more expensive
3. Adaptability
1: Construct stereotyped scaffolding
2: Support frame for beam and slab frame (bearing vertical load);
3: Construct a movable workbench;