Steel structure is composed of steel materials, is one of the main types of building structures.The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of sections and steel plates, and adopts such derusting and anti-rust processes as silanization, pure manganese phosphating, washing drying and galvanizing.Welds, bolts or rivets are usually used to connect each member or component.Due to its light weight and simple construction, it is widely used in large workshops, stadiums, super high-rise buildings and other fields.Steel structure is easy to rust, generally steel structure to rust, galvanized or paint, and regular maintenance.
Features of steel structure:
The steel is characterized by high strength, light dead weight, good overall stiffness and strong deformation resistance, so it is especially suitable for building long-span and super-high and super-heavy buildings.The material is an ideal elastomer with good homogeneity and isotropy, which conforms to the basic assumption of general engineering mechanics.The material has good plasticity and toughness, can have great deformation, and can bear the dynamic load well.Short construction period;Its industrialization degree is high, may carry on the mechanization degree high specialization production.High strength steel should be studied to improve the yield point strength greatly.In addition, new types of sections, such as H sections (also known as wide flange sections) and T-shaped and shaped plates, should be rolled to meet the needs of long-span structures and super-tall buildings.In addition, there is no heat bridge light steel structure system, the building itself is not energy-saving, this technology with clever special connections to solve the problem of hot and cold bridge building;Small truss structure makes the cable and water pipe from the wall through, construction and decoration are convenient.
1. High material strength and light weight
The steel has higher strength and elastic modulus.Compared with concrete and wood, the ratio of its density to yield strength is relatively low, so under the same stress condition, the steel structure has small section, light dead weight, easy to transport and install, suitable for the structure with large span, high height and heavy bearing.
2, steel toughness, good plasticity, material uniformity, high structural reliability
It is suitable for bearing impact and dynamic load and has good seismic performance.The internal structure of steel is uniform, almost isotropic.The actual working performance of steel structure accords with the calculation theory.So the steel structure is highly reliable.
3, steel structure manufacturing and installation of high degree of mechanization
Steel structural members are easy to assemble in factory and on site.Factory mechanized manufacturing steel structural components finished high precision, high production efficiency, site assembly speed, short time limit.Steel structure is one of the most industrialized structures.
4. Good sealing performance of steel structure
Because the welded structure can be completely sealed, it can be made into high pressure vessel with good air tightness and water tightness, large oil pool, pressure pipeline, etc.
5, steel structure heat resistance not fire resistance
When the temperature is below 150℃, the steel properties change very little.Therefore, the steel structure is suitable for the hot shop, but when the surface of the structure is subjected to the thermal radiation of about 150℃, the heat insulation plate should be used to protect it.The temperature is between 300℃ and 400℃.The steel strength and elastic modulus decreased significantly, and the steel strength tended to zero when the temperature was about 600℃.In buildings with special fire protection requirements, steel structures must be protected by refractory materials to improve fire resistance.
6. Poor corrosion resistance of steel structure
Especially in humid and corrosive medium environment, easy to rust.General steel structure to rust, galvanized or paint, and regular maintenance.For offshore platform structures in seawater, special measures such as “zinc block anodic protection” should be adopted to prevent corrosion.
7. Low carbon, energy saving, green, and reusable
The demolition of steel structures produces almost no construction waste and the steel can be recycled.
The above is the introduction of the characteristics of steel structure;We are a steel structure manufacturer, the products are:steel component shelving,steel support frame,structural steel;Welcome to consult ~
Post time: Oct-09-2020