Portal Large Span M20 Bolt Welding Steel Warehouse
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Detailed Product Description
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Large span M20 bolt welding steel warehouse
Steel warehouse
Steel warehouse has the advantages of light weight, high strength,
large span, and environmental protection. Steel structure warehouse
is mainly composed of horizontal structure and vertical structure
system. The transverse structural system uses trusses (including
roof trusses, beams and columns) as the basic load-bearing
structure to withstand the roof load of the crane, lateral wind
load and earthquake, as well as vertical load and horizontal
horizontal load. The longitudinal structure system consists of
columns, columns, walls, etc.
Material List
The advantages are as follows: (1) Lightweight roof, save the amount of steel, can reduce the
cross section and foundation size of beams and columns, and reduce
costs; (2) A large-span steel frame will change the height and thickness
of the web and the width of the flange plate. (3) Good seismic performance. Scope of application: (1) Wide range of uses, suitable for various factories, warehouses,
stadiums, hangars, etc.; (2) Usually used for single-storey industrial houses with a span of
9~36m and a column height of 4.5~12m. (3) The mezzanine can be added locally. The complete steel structure warehouse and factory buildings are
composed of various functional systems, mainly including: Structural system (including main structure, roof frame, wall and
wall beam); Enclosure system (including roof enclosure, wall panel enclosure,
edge and floor slab); Door and window system (including doors and windows); Ventilation system (including gas building system, exhaust system); Drainage system (including drainage ditch, downpipe, awning
system). 1. Structural system: 1) Primary and secondary structural materials: commonly used
Chinese national standard building steels are Q355B and Q235B;
according to the section processing technology, they are divided
into hot-rolled steel and welded steel. Surface anti-corrosion
treatment, mainly including painting or galvanizing, and larger
welding. Components should be painted, small components and
cold-formed thin-walled steel components should be galvanized.
According to local fire protection requirements, steel columns and
roof beams should be coated with fire-resistant paint. Roof purlins and fence beams: The roof purlins and fence beams are
cold-formed thin-walled steel, and their structural forms can be
divided into C-shaped simply supported beam mode and Z-shaped
continuous beam mode. 2. Closed system: The roof and wall panels mainly use single-layer color-coated
corrugated steel plates and sandwich panels. The insulation
material is made of glass fiber insulation cotton; the roof
lighting belt is made of PVC transparent lighting board. 1) Single-layer color coated corrugated steel sheet: (1) Substrate: Al-Zn coated substrate with thickness of 0.3, 0.45,
0.5 and 0.60 mm. Galvalume coated sheets are used in buildings in
extreme environments. They have high corrosion and weather
resistance, with a service life of more than 20 years. (2) Coating: Polyester coating (PE): good adhesion, wide
application range, medium resistance to chemical media, 7-10 years
of service life; silicon modified polyester (SMP): coating film has
good hardness , Wear resistance, heat resistance and durability,
limited gloss retention and flexibility, and a service life of
10-15 years; High weather resistance polyester (HDP): excellent UV resistance,
high durability and 10 to 12 years of service life; Polyvinylidene fluoride (PVDF): good moldability, excellent outdoor
durability and solvent resistance, but the color is limited, the
cost is high, and the service life is 20-25 years. 2) Glass fiber
insulation cotton commonly used glass fiber insulation cotton has a
bulk density of 12K, which has good heat insulation, sound
absorption and corrosion resistance. It is a non-combustible
material (A1 grade) with low moisture absorption rate. 3) The color
steel plate sandwich panel consists of two single-layer color steel
plates and a middle-layer polymer insulation core (including EPS
sandwich panels, rock wool sandwich panels, glass wool sandwich
panels and polyurethane (PU) sandwich panels) The thickness is
usually 50, 75, 100mm. The single-layer color steel sheet is as
described above. 3. Door and window system: Door: Commonly used doors include side-hung doors, sliding doors
and rolling doors. 4. Ventilation system: Steel structure warehouses and workshops have a large construction
area and have fire hazards. Because of the depth of the workshop,
it is difficult to remove the smoke by opening the outer wall. It
is necessary to consider setting up mechanical exhaust facilities
or natural exhaust in the middle of the factory. (1) Skylight: Its main functions include ventilation, lighting and
smoke exhaust.
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| Product Tags: M20 Bolt Welding Steel Warehouse Large Span Welding Steel Warehouse Portal Steel Structure Warehouse |
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