Advantages and strength of steel structure
Although the weight of steel is larger, but the intensity is much higher, compared with other structural weight, the weight of the steel structure is much less than other structures. Under the condition of the same load, the steel structure is lighter in weight. When the span and load ratio of steel frame instead, a reinforced concrete roof component of 1/4 to 1/2, if the use of cold-formed steel beams is light. Because of light weight, convenient carrying and construction, therefore, the advantage of steel structure in one large span, high strength, large bearing structure, and is suitable for removable, easy to dismantle the structure.
Advantages and strength of steel structure:
1, structural strength
The steel material is well proportioned, anisotropic, elastic modulus, excellent plasticity and toughness, and it is a realistic elastic plastic body. Therefore, the steel structure is accurate, high strength, suitable for one of the major features of the building.
2, high level of industrialization
The steel structure is required to create a simple mechanical facilities and strict technological requirements, but the observation and the rest of the building structure, steel structure manufacturing level of industrialization, a large number of bulk manufacturing, to create fine bowl high, using field installation methods to build, construction site, can prolong the cycle, backward cost, improve economic efficiency.
3, good sealing
Because the structure can be completely sealing riveting, suppression of containers, request air tightness and water tightness of the heavy oil, are suitable for gas tanks and pipes with steel plate structure.
4, there are certain heat resistance
When the temperature of the house is within 250 DEG C, the change of the quantity of the steel is very small, and the strength of the steel is gradually increased by obtaining the temperature of 30 DEG C at the time of obtaining the temperature of 450 DEG C, and the intensity is zero. As a result, steel structures are more resistant to heat than reinforced concrete, which is normally used to measure not more than 250 degrees celsius. In their own special fire protection requirements of the building, the steel structure must use fire retardant paint, fire retardant coating on the surface of the coating can block heat resistance.
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