Light Steel Structure Building

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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


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:How are the steel structures single, multi story and tall, super high-rise?
Super Tower: refers to buildings over 40 meters above 100 meters in height.
Q:What is the roof of a steel structure?
Now, the vast majority of industrial plants are 5% of the slope, that is, at 1:20, there are a few of the 1:15 slope, depending on the construction requirements. If you want to design the steel structure without knowing how to take it, there must be no problem at 1:20.
Q:The longitudinal force of a steel column supported by a steel column
Steel structure engineering is mainly made of steel, and it is one of the main types of building structures. The characteristics of the steel is of high strength, light weight, good integral rigidity, deformation ability, it is used in the construction of large span and super high and super heavy buildings especially suitable; homogeneous and isotropic material, an ideal elastic body, the most consistent with the basic assumption of the general engineering mechanics;
Q:In steel engineering, what is called rigid connection? What is articulated? What kind of nodes or structural parts are applicable to the two?
Steel structure, beam to column connections are usually used in 3 forms, flexible connection (also known as articulated) and semi rigid connection and rigid connection. In engineering practice, how to distinguish a node belonging to the rigid and semi rigid or hinged connection depends on the rotational stiffness, rigid connection should not have obvious connection with the angle of angle deformation, reduce deformation of the structural resistance should not exceed 5%.
Q:Excuse me, how to steel structure materials such as ah, how do I know purlin, bar, etc. What material is tied ah
Tie bar: horizontal bar between frames, usually over D80.Bar: straight brace purlin purlin and between parts of the cover inclined brace is a steel tube.
Q:The role of stiffeners in steel structures?
In the process of structure design, the structure may be suspended to span is too large, or too large, in this case, the connection structure can bear the load, the common vertical in the two combination on a reinforcing plate, reinforcing ribs (commonly known as JIN in reading the project, in order to increase the strength of binding).
Q:Is cast-in-place concrete attic good or steel structure + ALC board good?!
The short cycle of cast-in-place steel structure high stability, light weight, does not destroy the original structure, anchorage hole cast-in-place the original wall hit double row hole spacing of ten cm each with adhesive implantation wall, wall depth of ten to fifteen cm, and the steel structure is not greater than the chemical anchor spacing bolt with wall of not less than thirty cm fifty cm fifteen cm deep into the root.
Q:In the installation of steel structure, insulation foil should be placed in the side wall or side wall? Why?
I don't understand. Both inside and outside have wall panels and foil insulated cotton. Why do you use bare sheets, that is, aluminum foil?Some factories only have exterior wall panels, foil foil, interior moisture, cotton dustAs for downstairs said fire, I laughed, heat preservation itself is a fire retardant material, with aluminum foil does not matter
Q:What plate is the slab below the concrete floor of the steel structure?
In order to meet the requirement of rapid construction of the main steel structure, a firm platform can be provided in a short period of time, and a plurality of floors can be used for laying profiled steel plates, and the concrete flow of the concrete slab is divided into layers.
Q:How much is the square metre of steel structure engineering cost now?
As we all know, the cost of the steel structure house is basically the same as that of the traditional concrete structure, but the use area can be more than 5%, and the average carbon emission should be about 35% lower. It is an ideal choice for the development of a low carbon economy.Light steel structure residential structure refers to the use of steel structure as load-bearing structure, with environmental protection, light body, energy-saving materials for residential structures. At present, the light steel structure in China's construction industry accounted for less than 5%, while Europe and the United States and Japan developed countries have reached more than 50%. The development of residential steel structure in our country is very large.

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