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    Structrual steel sports hall building In China

    Description of Strucutrual steel sports hall:

    This steel building construction is large span 3 rows style,use steel pipe truss frame,the clear span is 54 meter,eave height is 16.6 meter,girder height is 3meter.

    Toatal Area:3910M2

    Specifications of structural steel sports hall:

    1.Main steel frame:Steel pipes (Q235B):                     219*12 
                                                                245*16
                                                                89*3.5
                                                                70*3.5
                                                                60*3.5
                                                                102*6.0
                                                                70*5.0
                                                                180*8.0
                                                                203*6.0
                                                                70*3.0
                                                                83*3.5
                                                                60*3.0
                                                                102*3.5
    2.Foundation bolt:Q235B,M36
    3.Roof purlin:C250X75X20X2.5
                         C250X75X20X2.5  
    4.Sleeve tube:Φ12Φ32*2.5
    5.Steel truss:219x12245x1670x3.5
    6.Joist:square tube
    7.Roof panel:type840,0.476mm
    8.Skylight sheet:type840,1.5mmFRP
    9.Wall panel:type960,0.476mm
    10.Foundation bolt
    11.Normal bolt
    12.High strengh bolt
     
     

    The characteristics of the steel structure

     

    Steel structure is characterized by high strength, light weight, good overall stiffness and deformation ability, therefore, to build large span and super high, super-heavy buildings is suitable;Homogeneous and isotropic materials is good, is a ideal elastic body, the most in line with the general engineering mechanics basic assumption;Material plasticity and toughness, good can have large deformation, can bear dynamic load;Short construction period;Its high degree of industrialization, high mechanization degree of specialization of production can be performed. Steel structure components are easy to manufacture, site assembly in the factory.Mechanization of factory manufacture steel structure component products of high precision, high efficiency, site assembly speed up, short time limit for a project.Steel structure is one of the most industrialized structure.

    steel structure fireproof performance

    When the temperature was below 150 , the steel properties changed little.Thus the steel structure is suitable for the hot shop, but the structure surface at the thermal radiation of about 150 , to adopt heat insulation board to protect it.Temperature at 300 to 400 . The steel strength and elastic modulus were decreased significantly, the temperature about 600 , the steel strength tends to zero.In buildings with special fire protection demand, steel structure must be preserved with refractory materials in order to improve the fire resistance rating.

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