Steel structure manufacturer in China

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Product Description:

Steel Structure Building

1.the connection method of steel structure:

   welding connection or bolt 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

  • Steel shorter duration

4.Commonly used steel grades and performance of steel

  • Carbon structural steel: Q195, Q215, Q235, Q255, Q275, Q345,etc.

  • High-strength low-alloy structural steel

  • Quality carbon structural steel and alloy structural steel

  • Special purpose steel

5.Market:

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:What are the main structures and sub structures in the steel structure?
Main components: steel column, steel beam, crane beam and other large main componentsComponent: column bracing, horizontal support, tie bar, brace, casing etc.In addition to the purlin. I'm not sure whether it's the master or the second, and there's no definition.
Q:How is the steel structure foundation checked and accepted?
The column position in the column surface measuring axis of projectile.Level of plinth elevation. Concrete plinth elevation 50 ~ 60 mm for general casting (compared with steel column base design, installation in elevation) with steel plate or early adoption by plasma plate leveling.When using the steel plate support plate, steel plate area should be determined according to the fastening force and compressive strength, concrete of foundation base plate two times before grouting at the bottom of the column load and anchor bolt. The contact between the shim and the base and the bottom of the column should be smooth and tight.When the cushion plate is used, the shrinkage free mortar shall be adopted. The strength of the mortar block should be higher than that of the base concrete before the lifting of the column, and the mortar pad should have enough area to meet the requirements of the load.
Q:What does "HJ-1" mean in steel structures?
The structure is mainly composed of steel beams and steel plates, such as steel beams, steel columns, steel trusses and so on. Each component or component is usually connected with welds, bolts or rivets. Because of its light weight and simple construction, it is widely used in large factories, stadiums, super high-rise and other fields.
Q:Why are the main and main beam joints of steel structures articulated?
The hinged construction is convenient, the requirements of the secondary beam are large, the maximum bending moment is in the midspan, and the torsion resistance of the rigid beam is high.
Q:How to calculate the steel structure quota?
Steel structure is mainly made of steel material, and it is one of the main types of building structure. The structure is made up of steel beams, steel columns and steel trusses made of shape steel and steel plate.
Q:Want to ask the steel structure workshop leakage, how to do? How do you do it?
With high elasticity waterproof coating, special high strength waterproof suture polyester fabric is strengthened. After the film is solidified, a complete waterproof layer is formed, the bonding is firm, the high elasticity is maintained, and the waterproof and steam permeable is easy, and the construction is simple. With bass waterproof system for easy water leakage parts of waterproof construction, strengthen the treatment, can ensure that the roof is no longer leaking water, ten years quality insurance.
Q:In the installation of steel structure, insulation foil should be placed in the side wall or side wall? Why?
This is just the general case. Basically not strictly required.
Q:Installation quota, there are tubes, steel structures and general steel structure, how to distinguish between the two?
Installation quota, the pipe structure is hollow, pipe, solid steel, and the two how to distinguish between the problem, that is, hollow and solid division.
Q:What is the life span of steel structure?
But not to say that 50 will collapse.
Q:What is the fire-resistant time of steel column under steel structure?
The steel structure is generally 450 to 650 degrees Celsius in temperature will lose the bearing capacity, big deformation, resulting in steel column and beam bending, the results caused by excessive deformation can't continue to use, generally without steel structure fireproof limit protection for 15 minutes. The length of time is also related to the speed of heat absorption of the component.

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