Small Steel Structure Construction

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Description:
1.Length of the welding withnot indication, full welding should be applied
2.Seam without indication is fillet weld, height is 0.75t
3.The cutting angle without indication, radius R=30
4.Cutting angle not specified should be
5.The diameter of the hole for the bolt if not specified, D=22

Steel Structure:

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" (GB500182002) "Construction Quality Acceptance of Steel" (GB50205-2001) "Technical Specification for welded steel structure" (JGJ812002, 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:What is the ultimate capacity of steel structures?
When the structural or structural components appear in the following states, they shall be considered to exceed the limit of bearing capacity:1) a part of an entire structure or structure that is unbalanced as a rigid body (such as overturning);2) structural members or connections that are damaged by excessive material strength (including fatigue damage) or are not suitable for continued load due to excessive deformation;3) the structure is transformed into a mobile system;4) loss of stability (e.g. buckling) of structural or structural members;5) the foundation loses its carrying capacity and destroys (e.g. instability).
Q:What does "CHS44*12" mean in steel structures?
Steel structure is mainly made of steel material, and it is one of the main types of building structure.
Q:Large steel structure stress analysis, what software is good?
Let us talk about the software analysis of the steel structure I is currently using the STAAD analysis software, is a universal structure, support rod element, plate element, surface element, block element, can be used for spatial analysis and finite element analysis (you will need to have said wall finite element). The software provides the analysis results of internal force, stress and deformation. Is currently the mainstream analysis software. The steel structure and the reinforced concrete structure can be analyzed. The structure you say should be applicable.
Q:What is the edge of the steel structure?
The main points and methods of construction are as follows:(1) will continue to spread to the roof membrane vertical wall, form a waterproof membrane, flashing a height of not less than 250mm.(2) joints in the roof and the wall of the daughter of vertical handover, mortar leveling layer should be put into a circle or 45 degree slope, brush roll of adhesive, the adhesive sheet density, avoid roll overhead or break, and laying a layer of coil.(3) to receive an flashing coil head fixed on the vertical wall surface coil to prevent decline. The general approach is: cut out a long groove in the vertical wall, reducing coiled material pressed into the groove, and then screw pressure sealing materials filled with waterproof sealing strip, wipe cement mortar protection. The walls on the upper part of the groove shall also be waterproof.Common explanation: flashing refers to the waterproofing roof parapet, cornice or roof wall, its main role is to ensure that the level of the roof cornice and parapet, wall is washed by rain, and the rest of the protection of the roof waterproof layer (not water).
Q:In the steel structure, should be the first high-strength bolts after the end of the welding, or first screw, then welding after the end of the screw?
High strength bolt connection first start, from the middle to the periphery of the installation of high-strength bolts, all installed after, and then turn with torque wrench finally. The structure of high strength bolt joint needs little welding. Welding is definitely the last thing to do if needed.
Q:What does "fixation" mean in steel structures?
In general, the rigid connections of steel structural members can be completed by welding, riveting and high-strength bolts.
Q:What is called steel structure?
The composite structural members of SRC (SRC or SRC) are made up of concrete, shaped steel, longitudinal reinforcement and stirrups. The basic component is Liang Hezhu.The structure of the stiff concrete is divided into all structural members, the structure of the reinforced concrete and the part of the structure, and the structure of the stiff concrete.The stiff concrete has many advantages, such as high strength, small section size of the component, strong binding force with the concrete, saving concrete, increasing the use of space, reducing the cost of the project and improving the quality of the project.
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:What kind of steel is used in steel structure?
It depends on the kind of steel structure. There are thousands of kinds or even thousands of kinds of steel. General steel construction refers to the construction of steelIf the construction of steel, then basically steel Q235, Q345, Q390, Q420 four kinds of steel. Q235 is plain carbon steel. The latter three are low alloy steels. Corrosion depends on the structure of the steel structure and the use of parts, ships, viaducts, a corrosion resistant period of more than 20 years, but not up to this standard, foreign countries are basically sprayed aluminum and zinc sprayed. Antiseptic method. The tall tower structure of the TV tower mast varies from 10 to 20 years. The general steel structure must basically be more than 5 years.
Q:Can steel frames and channel steel be welded longer?
1, if the design does not require special requirements, this should be soldered.2, the use of direct welding when welding, the use of materials close to the channel steel, welding seam full of some, welding after the excess welding meat polished, you can basically do not see traces of welding.3. The quality of welding seam must be guaranteed. The mechanical properties of weld strength, hardness and so on must be guaranteed. In order to ensure the strength of the weld, the welded reinforcing plate can be added on the non joint surface.

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