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Advantages and Disadvantages of Coupler Scaffolding
Release time:
2025-09-29
Coupler Type1. Advantages1: High load-bearing capacity. When the scaffold's geometric dimensions and structure meet the relevant requirements of the standards, generally, the load-bearing capacity of a single scaffold tube column can reach 15 kN–35 kN (1.5 tf–3.5 tf, design value).2: Easy to assemble and disassemble, flexible erection. Since the steel pipe length is easy to adjust and the coupler connection is simple, it can adapt to scaffolds for various planes and vertical surfaces of buildings and structures.3: Relatively economical, simple to manufacture, with lower initial investment costs; with careful design of scaffold geometry and attention to improving steel pipe turnover rate, material usage can achieve good economic results. For coupler steel pipe scaffolds, the steel consumption per square meter of building area is about 15 kg.2. Disadvantages1: Couplers (especially their screws) are easy to lose; the bolt tightening torque should not be less than 40 N·m and not greater than 65 N·m;2: Members at the joints are eccentrically connected, relying on friction to transfer loads and internal forces, which reduces their load-bearing capacity;3: The connection quality of coupler joints is significantly influenced by the couplers' own quality and the workers’ operation.3. Adaptability1: Construct various forms of scaffolds, formwork, and other supporting frames;2: Assemble grid frames;3: Erect ramps, sheds, grandstands, and other temporary structures;4: Serve as auxiliary or reinforcing members for other types of scaffolds.
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