Scaffolding steel support is an important component used to provide temporary support and stability in construction. It is mainly used in the construction stage of high-rise buildings, bridges, tunnels and other projects. The following is a detailed introduction to scaffolding steel support:

Main types

Fasteners: Assembled from steel pipes and fasteners (right angle, rotation, butt fasteners), it is flexible and suitable for complex structures.

Bowl buckle steel pipe support: It uses bowl buckle connection, fast installation speed, good stability, and is often used in large projects.

Disc buckle steel pipe support (socket type): modular design, high bearing capacity, high assembly and disassembly efficiency, widely used in recent years.

Gate scaffolding support: It consists of a gate frame, cross support and horizontal rods, suitable for large-area support (such as factory buildings, stages).

Core composition

Vertical rod: vertical force-bearing rod that transfers load to the foundation.

Horizontal rod: Connects vertical rods to enhance overall stability.

Diagonal brace/scissor brace: Prevent lateral deformation of scaffolding and improve anti-overturning ability.

Adjustable base/top support: adjust the support height to meet different construction needs.

Connectors: such as fasteners, latches, etc., to ensure that the nodes are firm.

Material properties

Material: usually Q235 or Q345 carbon steel, high strength and corrosion resistance (some will be galvanized).

Specifications: Common steel pipe outer diameter is Φ48mm, Φ60mm, wall thickness 2.5~3.5mm.

Core functions

Load bearing: support the weight of construction personnel, materials and equipment, and withstand the lateral pressure during concrete pouring.

Ensure safety: provide a stable platform for high-altitude operations to prevent collapse.

Auxiliary construction: as the installation basis for formwork and protective nets.

Construction points

Design calculation: strength, stiffness and stability verification is required according to the load (static load, live load, wind load).

Erection specifications

The spacing and step distance of the vertical poles meet the requirements of the plan (such as 1.5m×1.5m).

Set up sweeping rods and scissor braces (angle 45°~60°).

The foundation needs to be leveled and compacted, and pads should be added if necessary.

Advantages

High strength and large bearing capacity.

Reusable and economical.

Modular design and strong adaptability.

Application

Building construction: external frame of high-rise buildings and full-floor support in interior.

Bridge engineering: cast-in-place box beam and bridge pier construction.

Industrial facilities: installation of large equipment in power plants and chemical plants.

Safety specifications

Comply with national standards such as "Safety Technical Specifications for Fastener-type Steel Pipe Scaffolding in Construction" (JGJ 130).

Overloading is strictly prohibited, and deformation and rusting should be checked regularly.

Guardrails and safety nets should be set up for aerial operations.

The reasonable design and construction of the steel support system is the key to ensuring project safety and efficiency, and it needs to be combined with professional calculations and on-site management.

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