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 20/20
5.The diameter of the hole for the bolt if not specified, D=22

Project Reference:

Inner Mongolia Shangdu Power Plant is the main source
of west-east power transmission project with total
incestment of 5137 million Yuan. 1,900 tons for the steel
structure of the project with maximum thickness 60mm-

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Q:What does the title of a steel structure mean?
A truss is a structure in which the bars are hinged with each other at both ends. The straight rod truss has a generally triangular unit plane or space truss structure, mainly bear axial tension or stress, which can make full use of the strength of materials, the span is large than the solid web beam to save materials, reduce the weight and increase the stiffness. In the membrane structure building, truss design is very important, or it can support the whole building.
Q:What does "PD140*4" and "PL12*150" mean in the steel structure drawing?
Steel structure engineering is mainly made of steel, and it is one of the main types of building structures. Steel is characterized by high strength, light weight, overall rigidity and deformation ability, so it is suitable for building large span and ultra high and super heavy buildings;
Q:Those belong to the steel structure
Steel structure is mainly made of steel, and it is one of the main types of building structures. Steel structure is one of the common structural forms in modern architectural engineering. China is the earliest use of iron bearing structure manufacturing countries in emperor era (246-219 BC), has been made of iron bearing has the advantages of simple structure, while the western countries in seventeenth Century began to use metal bearing structure. In the 3-6 century, smart and hard-working Chinese people will use the chain construction of cable suspension bridge, the famous Sichuan Luding Dadu River Bridge, Jiangqiao Yunnan yuan and Guizhou plate Jiangqiao are bearing structure of early iron China's example.
Q:Steel structure canopy belongs to the metal structure which component? Steel roof truss? Steel wall frame? Or steel grid?
The canopy is divided into two parts, one is the structure of part two is part of enclosure (that is, roofing materials, such as glass, aluminum plate, color plate etc.)
Q:Construction technology practice of steel structure in interior decoration
And around the ring beam and wall with embedded parts / expansion bolt welding, filling gaps with polystyrene board insulation, achieve sound effects, and then use the blockboard or pine board tile can be integrated. Can also be added according to the needs of barbed wire, light weight ceramsite concrete pouring a layer of 40-60mm (heat preservation, sound insulation effect better). Then lay the composite floor. A gypsum slab ceiling is required below the steel structure. Suggest going to the construction site to have a look.
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:What does the name below the steel structure of the pillars of the corner piece of iron bolt connection called ah
Another is the column base plate of steel column with embedded parts welding, some with anchor bolt, bolt connection side, while welding, some do not anchor bolts, direct welding and embedded parts.
Q:What are the advantages of steel structure houses?
The characteristics of steel structure basically adopts the triangular truss system made of cold-formed steel, light steel members in sealed end structural plate and plaster board, formed a very strong - plate structure system, this system has stronger ability of resisting earthquake and horizontal load, suitable for the seismic intensity of 8 degrees above the area.Wind resistance: the steel structure is light in weight, high in strength, good in overall rigidity and strong in deformation. The weight of the building is only 1/5 of the brick concrete structure. It can withstand the hurricane of 70 meters per second, so that the life and property can be effectively protected.Durability: light steel structure residential cold-formed thin-walled steel structure using all system components, steel using super anticorrosion high strength cold rolled galvanized sheet manufacturing, effectively avoid the influence of the steel in the construction and use of the process of corrosion, increase the service life of steel member, the structure of a life span of 100 years.Thermal insulation: the heat preservation and heat insulation material is mainly made of glass fiber and cotton, and has good heat insulation effect. The utility model relates to an outer wall heat insulation board, which effectively avoids the cold bridge phenomenon of the wall, and achieves better heat preservation effect. 100mm around R15 thick cotton insulation, heat resistance equivalent to 1m thick brick wall.
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:The steel structure not brush rust which is based on the specification
Common sense, is buried in concrete column, it will not have the paint column and concrete together (painted isolated). Why don't the steel bars in the cement be painted? Good to understand.

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