What are the advantages and disadvantages of fastener scaffold?

What are the advantages and disadvantages of fastener scaffold? Please read the article edited by Zhong Da Consulting Company.

1, advantages

1) has a large bearing capacity. When the geometry size and structure of the scaffold meet the relevant requirements of the code, in general, the bearing capacity of the scaffold single column can reach15kn ~ 35kn (1.5tf ~ 3.5tf, the design value).

2) Convenient disassembly and assembly and flexible erection. Because the length of steel pipe is easy to adjust and the fastener connection is simple, it can be used for scaffolding of buildings and structures in various planes and facades.

3) More economical. Simple processing and low one-time investment cost; If the geometric dimensions of scaffolding are carefully designed and the turnover rate of steel pipes is improved, the material consumption can also achieve better economic results. Fastener steel pipe frame is equivalent to about 15 kg of building steel per square meter.

2. Deficiencies

1) fasteners (especially its screws) are easy to lose;

2) The members at the joint are eccentrically connected, and the load and internal force are transferred by the anti-sliding force, which reduces its bearing capacity;

3) The connection quality of fastener nodes is significantly influenced by the quality of fasteners themselves and the operation of workers.

3. Adaptability

1) Construction of various forms of scaffolding, formwork and other supporting frames;

2) assembling the tic-tac-toe frame;

3) Set up temporary structures such as ramps, sheds and stands.

4) As an assistant to other scaffolding, strengthen the bar.

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