In the structure of the building, steel structure and concrete structure are common. The steel structural is mainly composed of steel beams, steel columns, steel analysis frames and other components made of section steel and steel plates, and adopts rust removal and antirust processes such as silanization, pure manganese phosphating, washing and drying, and galvanizing. It is often used in large-scale Plants, venues, super high-rise and other fields. The concrete structure is mainly made of concrete, including plain concrete structure, reinforced concrete structure and prestressed concrete structure.
1. Comparison of the advantages of steel structure and concrete structure
Steel structures:
The material has high strength and is light in weight.
Steel has toughness, good plasticity, uniform material, and high structural reliability.
Low-carbon, energy-saving, green and environmentally friendly, and reusable.
Concrete structures:
Good integrity, can be poured into a whole.
It has good moldability and can be poured into structures of various shapes and sizes.
Good durability and fire resistance.
The project cost and maintenance cost are low.
2. Comparison of disadvantages of steel structure and concrete structure
The steel structure is heat-resistant, not fire-resistant, and has poor corrosion resistance.
Concrete structures have low tensile strength and are prone to cracks.
The self-weight of the structure is larger than that of steel and wood structures.
Outdoor construction is limited by climate and season.
New and old concrete are not easy to connect, which increases the difficulty of reinforcement and repair.
Both steel structures and concrete structures have their own advantages and disadvantages. There is no best or worst of the two structures. In different situations, each has its own scope of application.
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