Steel high-rise buildings refer to high-rise buildings that use steel as the main load-bearing structural material. This type of building is widely adopted due to its many advantages, especially in urban centers and in situations where high building speed is required. Here is some relevant information about steel structure high-rise buildings:

Characteristics of Steel Structure Tall Buildings

Fast construction speed: Steel structure components can be prefabricated in the factory, with high on-site installation efficiency, which can significantly shorten the construction period.

High strength: Steel has a high strength to weight ratio, which enables steel structures to withstand large loads and is suitable for constructing super high-rise buildings.

Good seismic performance: Steel structures have good toughness and elasticity, which can absorb and consume seismic energy, and improve the seismic resistance of buildings.

High flexibility: Steel structures can easily achieve large-span and open plan layouts, providing greater design freedom for buildings.

Energy saving and environmental protection: Steel structures can be recycled, reducing waste of building materials and contributing to environmental protection.

Good durability: Proper anti-corrosion treatment can greatly improve the service life of steel structures.

Application examples

Shenzhen Hanjing Center: This is the third tallest pure steel structure building in the world, with a unique structural design.

Guangzhou Commercial Center Project: located in the core area of Pazhou CBD on the south bank of the Pearl River in Haizhu District, Guangzhou, with a total height of 375.5 meters, it is one of the highest pure steel structure super high-rise buildings under construction in Asia.

The B01 project of Chongqing Jiangbeizui Hotel: This is a 199.95-meter-high super high-rise steel structure building, which adopts the form of frame+core tube.

Construction techniques and methods

Prefabricated construction: Steel structure high-rise buildings usually use prefabricated construction technology, which involves prefabricating components in the factory and assembling them on site to improve construction efficiency.

Technological innovation: For example, using trackless all position crawling welding robots to improve welding speed, or using BIM technology (Building Information Modeling) to assist in design and construction processes.

Floor system: Common floor systems include profiled steel plate concrete composite floor, cast-in-place integral concrete floor, precast concrete composite floor, and steel skeleton lightweight floor.

Design and construction precautions

Structural design: It is necessary to consider factors such as wind load and earthquake load of high-rise buildings, and ensure the overall stability of the structure.

Fireproof treatment: Steel structures need to undergo fireproof treatment to meet fire safety requirements.

Anti corrosion measures: Measures should be taken to prevent steel corrosion in damp or corrosive environments.

Thermal insulation and sound insulation: Appropriate thermal insulation and sound insulation measures need to be taken to improve the comfort of living or working.