High-end Steel Structure

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Product Description:

Steel  Structure

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

Project Reference:

The new railway section of bullet train is the inspection and repair base for north China and
the inspection and repair center for the north section of Beijing to Shanghai high-speed
railway. The total area is 183,330 square meters. The steel structure adopt arch steel truss
with maximum span 36 meters.

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Q:What does the construction of steel sub sections mean? What is the difference between a sub branch and a branch? How to divide the sub items?
A division can be divided into a number of sub divisions, and the difference is that segments can include sub segments. Engineering is the smallest unit of item valuation, composed of many sub projects constitute engineering division,
Q:What are the protective coatings for steel structures? Do they need to be tested and sampled?
The main protective coatings for steel structure are protective primer, intermediate paint, finish coat and fireproof coating for steel structure. Mainly primer, fire retardant paintIn testing, primer, intermediate paint, finish coat and fireproof coating are required before entering. After construction, fire retardant coatings for steel structures need to be tested on-site (compulsory). Some protective paint also need on-site inspection (see supervision or design, etc.).Sampling should be representative and stir well. Take the amount of each test unit requires different paint class probably take 500-1000ml can. Fire retardant paint, if it is a thick powder, take at least 1500g. In general, we should take more, because the inspection unit to retain part of the original.Sampling and testing are witnessed and non - witnesses, it is best to notify the supervisor to the scene.
Q:Large steel structure stress analysis, what software is good?
Landlord said SW, COSMOS, 3D3S, I have not used, do not comment. As for the PKPM software is the mainstream architectural design software, the rules of the structure is more applicable. The concept of a major feature of this software is "layer" is more obvious, is relatively rigid, through the "layer" bar calculation results often appear abnormal (such as crossing the floor column and brace etc.), so the industrial equipment no floor concept, to be especially careful when using. The panel you said could not be analyzed by finite element method.But PKPM also has the advantage, that is, get started quickly, for architectural design is relatively user-friendly, you just follow the prescribed steps step by step, you can basically complete modeling. In addition, he close to domestic norms, post-processing easier.Of course, some of the PKPM modules, I did not fully use, the evaluation of PKPM may not be accurate, comprehensive, please correct me downstairs.
Q:How can steel structures be divided into general steel structures, large steel structures and other steel structures?
There is no standard and strict definition of steel structure division.
Q:Which is better, the steel structure or the frame structure?
Brick wall bearing, called brick concrete structureCommonly used in the 7 storey below ordinary multi-storey residentialThe utility model has the advantages of low cost and simple and fast construction.Disadvantages: not suitable for complex forms, floors, room size and other construction requirements strictly, seismic capacity weaker.
Q:How can steel structures be made from bolts or bolts? High strength bolts are generally used for installation or production?
You must understand that a mounting bolt is used for installation, which is now in the welding joints of steel structure connection, the first fixed installation bolt and welding, the calculation only considers the weld resistance, the bolt itself does not force, with ordinary bolt.
Q:Steel structure brush fire retardant coating per square meter kg?
The amount of fire retardant paint is determined according to the coating thickness of fire-resistant coating, and the indoor thin steel structure fire retardant coating: the fire resistance limit of 2.5 hours per square meter is 6kg. Fire resistance limit of fire resistance limit of fire resistance limit of 2 hours per square meter was 4.5kg for 1.5 hours the amount per square meter 2.5kg 1 hours the amount per square meter 1.5kg indoor ultra-thin fireproof coating for steel structure: the fire resistance limit of fire resistance limit of fire resistance limit of 2 hours of consumption per square meter 3.5kg 1.5 hours per square meter per hour amount 2.9kg 1 the amount of 1.6kg square meters of indoor thick fire retardant coating for steel structure, fire resistance limit of 3 hours per square meter was 23kg. 2..0 hours of fire resistance per square meter dosage of 14kg
Q:What do we call a steel rivet in the hippocampus? What's the difference between them?
The pull nail of the hippocampus is a kind of metal link with unique structure and high riveting strength. It belongs to new fastening parts. The utility model has good filling hole performance, good air tightness and high riveting strength. The utility model is suitable for riveting fields with high surface requirements, high riveting strength and requirements for sealing performance.
Q:How to consider the influence of base displacement on steel structure
When performing the structural search and acceptance, the steel structure is completed after installation. Often issued axis displacement, the vertical deviation is too large and the height of the column column below the design elevation. In the high-rise steel structure engineering, it is also found that the spacing of each column is too large or too small, and it is often found that the top elevation at both ends of the beam is inconsistent when searching the top of each layer.
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.

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