Fastener type steel pipe scaffolding

Fastener type steel pipescaffolding refers to the scaffolding and support frame, collectively called scaffolding, which is erected for building construction and bears the load by fasteners and steel pipes. Fasteners that is the use of bolts fastened fastening connections. Domestic common fastener type steel pipe scaffolding is made of cast iron, its mechanical properties should be in line with the "steel pipe scaffolding fastener type steel pipe scaffolding" (GB15831-2006) material not less than KT330-08. also requires fastener type steel pipe scaffolding system parts less, simple installation, easy disassembly. In addition to cast iron fastener type steel pipe scaffolding, there are steel fastener type steel pipe scaffolding. Steel fastener type steel pipe scaffolding is generally divided into cast steel fastener type steel pipe scaffolding and steel plate stamping, hydraulic fastener type steel pipe scaffolding. Steel pipe generally has two kinds, one outer diameter 48mm, wall thickness 3.5mm; another outer diameter 51mm, wall thickness 3mm; according to its location and role is different, can be divided into uprights, horizontal rods, sweeping rods, scissor brace, etc..

Fastener type steel pipe scaffolding

Socket scaffoldingis a form of single-tube scaffolding, its structure is basically similar to the fastener type steel pipe scaffolding, mainly composed of uprights, horizontal rods, diagonal rods, adjustable base, etc., but the connection between the main rod and horizontal rod, diagonal rod is not with fasteners, but in the main rod welded socket, horizontal rod and diagonal rod welded plug, the plug into the socket, you can assemble into a variety of sizes of scaffolding, engineering is more commonly used in the bowl Buckle scaffolding.

Advantages:

①The load-bearing capacity is larger. When the geometry and structure of the scaffold meet the relevant requirements of the specification. Scaffolding of a single tube column bearing capacity up to 15kN35kN1.5tf3.5tf design value) fastener type steel pipe scaffolding erection flexible. As the length of the steel pipe is easy to adjust;

② Easy to assemble and disassemble. Fastener connection is simple, so it can be adapted to a variety of planes, elevations of buildings and structures with scaffolding. One-time investment cost is low; if the scaffolding geometry is carefully designed.

③ More economical. Simple processing. Pay attention to improve the use of steel pipe turnover, the amount of information can also achieve good economic results. Fasteners steel pipe scaffolding equivalent to about 15 kg of steel per square meter of construction.

Disadvantages:

① fasteners (especially the screw) are easy to lose; rely on anti-slip force to transmit the load and internal force;

②The bars at the nodes are eccentrically connected. thus reducing its load-bearing capacity;

③ the connection quality of the fastener node is significantly affected by the quality of the fastener itself and the operation of workers.