Environment Friendly steel structure steel factory

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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:Is the floor of the steel structure slab cast-in-place or steel?
The steel floor of the steel structure building is steel.
Q:How much is the cost of the floor bearing plate of the steel structure?
That depends on the span of your floor to calculate the price, the span of different, used just specifications and prices are different, the general price should be 600-800 per square meter, including floor and capping materials.
Q:What is the main component in the steel structure and what is the secondary component?
But relatively speaking, such as columns on the ground fixed is the main component, if it is in the beam between the column is a member. The two ends of the beam are connected directly to the post, and the column is the main member, which is the main beam, and the minor beam between the beam and the beam is the secondary beam.
Q:Which is better, the steel structure or the frame structure?
Concrete beams and concrete walls are called shear wallsCommonly used in ordinary high-rise residential, and Fangxing very complex multi-storey villas and villas.Advantages: load-bearing structure for sheet concrete wall, the room can not see the edges and corners of columns, more suitable for residential than the frame structure. The concrete wall has the strongest seismic resistance, and the building safety is very high.Disadvantages: large amount of concrete, from the major, the total height is usually no more than 150m. The concrete wall is a high strength load-bearing wall, and the room can not be dismantled.
Q:What documents do steel installers need to have?
Steel erection workers need at least welder certificate, electrician certificate and hoisting certificate.
Q:What is the life span of steel structure?
But not to say that 50 will collapse.
Q:Excuse me, how to steel structure materials such as ah, how do I know purlin, bar, etc. What material is tied ah
Purlin, bar, etc. belong to time is tied to steel, angle steel, pipe, steel and other steel materials two processing, offer the actual weight per ton price, you have to feed the decomposition of various types of steel, (for example, the middle part is tied round pipe, both ends of steel plate, are calculated respectively after the total weight is single, tied)Most of the steel members are calculated in tons, and the wall panels are calculated by square meters. The folding parts are calculated by meters. All kinds of connecting bolts are included in the actual quantities, and the self tapping screws are taken together according to the panel area
Q:Why steel structure does not fire?
When the temperature is about 250 degrees Celsius, the tensile strength increases locally, the yield strength rises, the strength increases, and the plasticity decreases, and the material turns brittle.Creep is the phenomenon of steel deformation at a very slow speed in the range of 260 DEG C to 320 DEG C under the condition that the stress remains constant. With the performance of 200 DEG C has no change in the material properties, the surface structure of the radiation temperature should not exceed 200 degrees, the current steel structure industry regulation of the temperature to 150 degrees is appropriate, beyond which the temperature should adopt fire insulation protection.
Q:What does "HW350x350" mean in steel structures?
HW350X350 is a model of hot-rolled wide flange H steel. The standard method is "HW350X350""HW350X350 has two specifications, one is HW350X350X12X19 (high X, wide X, web thick X flange thickness), and one is very use specifications, used very few, the cross section is HW344X348X10X16
Q:Why steel structure is adopted in super high-rise buildings?
The steel strength (tensile and compressive) than concrete, steel (standard) 345Mpa (pull) above, 200Mpa (pressure), and concrete (standard) 10Mpa (pull), 100Mpa (pressure), so don't need stupid thick section.

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