High Class Steel-Work made in China

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Steel  Structure

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

Project Reference:

Area: 17,000m2
Steel Structure Quantity: 2,700ton
Color-Steel Plate Area: 29,670ton
Column Height: 32m
Weight of Per Column: 25ton
Crane Tonnage: 300ton
Total Cost: 25,080,000RMB
Duration: 150days

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Q:What exactly does the steel structure contain?
If the steel structure data according to the time and place of the project, it can be divided into two parts: production data and installation data. Production process mainly refers to the number of members in the record data, inspection data, raw material quality assurance data and test report; installation information mainly refers to the quality of raw material of construction site installation records, inspection records, straight field material test report, and ensure data organization design and special construction plan.
Q:How to detect crack of steel structure quickly and effectively
Cracks are generally observed on the weld or on the surface of the component. Large cracks can be seen with the eye, but there is often a capillary crack near the big crack. This is not necessarily an eye view, but these cracks can be detected with magnetic particle inspection
Q:What does a product frame refer to in a steel structure workshop?
Steel structure workshop refers to the steel column and steel beam on each axis. The steel structure workshop is made up of N pieces, a steel frame including steel columns, steel beams and high-strength bolts for connection.
Q:What does "PD140*4" and "PL12*150" mean in the steel structure drawing?
PD is a steel tube with a length of 140 and a diameter of 4.PL is a steel plate with a thickness of 12 and a width of 150.
Q:What is a steel beam?
Steel structure is mainly made of steel, and it is one of the main types of building structures. Steel is characterized by high strength, light weight and stiffness, so it is suitable for building large span and ultra high and super heavy buildings;
Q:Is there any difference between the rigid and rigid connections in the design of steel structures?
Two different concepts, reflect the position is different, generally refers to the fixed upper structure relative to the base part is fixed, as long as the foundation stiffness is enough, generally can be used as embedded parts embedded area in a certain range.
Q:Who knows what HW, HN and HM mean in steel structures?
It should be the difference between the elements added to different steels.HW is high tungsten, HN is high nickel, HM is high manganese
Q:Can the steel structure workshop be welded?
Construction: should be subject to the design of light steel structure of industrial buildings, the design is friction type high-strength bolt connection;Use period: prohibit welding on the structure.
Q:Ratio of width to thickness in steel structure design,
The slenderness ratio of columns in the design of components in the main role is to calculate to consider the load bearing capacity of reinforced concrete columns under eccentric compression is long, due to the impact of additional eccentric component elastic-plastic deformation caused by the eccentricity, stability coefficient and coefficient of axial compression member, and the slenderness ratio.The columns are also divided into short columns, long columns and slender columns due to slenderness. From here we determine the type of column and, in practice, try to avoid slender columns
Q:What are the meanings of I-beam BH300 x 200 x 6 x 8 on steel structures?
The ratio of the area of a longitudinal force (tension or pressure) to the effective area of a member (the axial compression member is a full cross section). The reinforcement ratio and the reinforcement ratio of the compression bar are calculated respectively. Formula: P =A (s) /bh (0). Here is the angle brackets below.Type: A (s) is the cross-sectional area of the longitudinal reinforcement in tension or compression zone; B is the width of the rectangular section; H (0) is the effective height of the cross section. The reinforcement ratio is a parameter that reflects the number of reinforcement.The minimum reinforcement rate is that, when the beam reinforcement ratio is very small, the beam tension zone after cracking, the steel stress tends to yield strength, the reinforcement rate is called the minimum reinforcement ratio (min). The minimum reinforcement ratio is determined according to the principle that the ultimate flexural capacity M (U) of the member section is equal to the bending moment M (CR) equal to the tensile moment of the concrete member under tension.

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