Professional design of long span steel structure

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Specifications

Specifications
1) . Easy to install, fire proof, good insulation
2). Certification: ISO9001:2000, SGS Standard.

Steel Structure Warehouse:

1.The steel structure of the connection method: welding connection
2.Steel structure design common norms are as follows: "Steel Design Code" (GB50017-2003) Cold-formed steel structure technical specifications" (GB50018-2002) "Construction Quality Acceptance of Steel" (GB50205-2001) "Technical Specification for welded steel structure" (JGJ81-2002, J218-2002) "Technical Specification for Steel Structures of Tall Buildings" (JGJ99-98)
3.The characteristics of steel Light weight steel structure Higher reliability of steel work Steel anti-vibration (earthquake), impact and good Steel structure for a higher degree of industrialization Steel can be assembled quickly and accurately Large steel interior space Likely to cause sealing structure Steel corrosive Poor fire-resistant steel Recyclable steel shorter duration
4.Commonly used steel grades and performance of steel Carbon
structural steel: Q195, Q215, Q235, Q255, Q275, etc.
High-strength low-alloy structural steel Quality carbon structural steel and alloy structural steel Special purpose steel Product Feature Carport, House, Office, Shop, Toilet, Villa, Warehouse, Workshop, Plant Other Information
Products have been all over the country more than 20 provinces, municipalities and autonomous regions, and have been exported to Europe, North America, the Middle East, Africa, Asia and other countries and regions, the widespread use

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Q:Why steel structure does not fire?
From the relationship between mechanical properties and temperature of steel, it can be concluded that the general trend is that the strength of steel decreases and the deformation increases with the increase of temperature. At 200 degrees or less, the performance of steel is not changed greatly; between 430 and 540 DEG C to strength decrease sharply; very low intensity can not bear the load of 600 DEG C, in addition to a blue brittleness phenomenon in the near 250 DEG C, about 260 to 320 DEG C when the creep phenomenon.
Q:Why steel structures are more suitable for building tall and high-rise buildings?
In fact, more reasonable, in the future development trend driven by the mixed structure of economic rationality, and good technical performance so that it can occupy a place,
Q:In the steel structure safety margin refers to what?
The ratio of the structural stress to the design stress minus 1 is used as a positive fraction of the strength of the structure.
Q:Can the steel structure workshop be welded?
Steel structure workshop can not be welded. Construction should be subject to design, light steel structure of industrial buildings, the design is friction type high-strength bolt connection; use period is strictly prohibited in the structure of welding.
Q:What is meant by a steel structure? What's the explanation for the trouble?
The term "limb" in a steel structure is most commonly used in latticed columns, in which the section, section, or plate is commonly referred to as the "limb". Like the limbs of a man, at the periphery.
Q:Where is the steel structure? High strength bolts?
All steel link bolts greater than 16, and a single screw design capacity of 0.5 tons, where high strength bolts are required..
Q:What are the differences between steel structures and concrete structures?
The strength of the steel is high and the modulus of elasticity is high. Compared with the concrete and wood density and the ratio of yield strength is relatively low, and therefore under the same loading conditions section of steel structure is small, light weight, convenient transportation and installation, suitable for large span, height, weight bearing structure.
Q:How much is one square meter for steel structure paint?
Different paint, brush mode, operation height have an impact on the cost, the specific circumstances of the specific treatment.
Q:What is the difference between steel structure and iron art?
The traditional iron mainly used in construction, Home Furnishing, garden decoration, traditional art deco style iron art, note to the new content and life, is widely used in indoor decoration, building exterior decoration, decoration and furniture decoration of the environment, because of the distinctive characteristics, style simple, economical and practical technology is simple, share a space for one person in modern decoration.
Q:Brief discussion on safety measures of steel structure installation
Steel structure safety protection: steel structure construction (installation) in general, each column in the factory according to a certain height to make, tower in accordance with each storey height of 12 ~ 13m production, to the site construction speed is faster. The installation of the operating personnel working time are most of the primary and secondary operation in the narrow beam or walk, in my project of steel structure of each layer height of 12 ~ 13m as an example, according to the standard of 2m aerial work as the starting point, it has exceeded the aerial work safety requirements, so in the end, the 3.5m column installation when conditions permit next, should put up the double level safety net for protection, and add a layer of horizontal safety net in each installation section of main structure column, the level of network security protection and steeplejacks protection distance is generally not more than 10m.

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