Lightweight Steel Box Girder High Intensity Stable Efficient For Long Spans Bridges
Brand Name:Great Wall
Certification:BV, SGS, CCIC,CNAS,CE,ISO9001,etc
Model Number:GWG
Minimum Order Quantity:According to the order
Delivery Time:According to the order
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Location:
Zhenjiang Jiangsu China
Address:
NO.103,Nanxu Road,Zhenjiang,Jiangsu,China
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Lightweight and high intensity Steel girder bridge fabricating Stable andefficien
Introduction:
Steel box girder, also known as steel box girder, is a common
structural form of long span bridges. This makes the bridge light
and sturdy. There are two main types of materials, one is
prestressed reinforced concrete box girder, and the other is steel
box girder.Generally used on bridges with large spans, because the
shape is like a box, it is called steel box beam.Box-section beam
bridge refers to a beam bridge whose main beam is in the form of a
thin-wall closed section. Long hollow trusses made of steel or
concrete are usually used as beams.
composition:
Steel box girder is generally composed of a top plate, a bottom
plate, a web, and a transverse partition, a longitudinal partition
and a plus
The ribs and the like are connected by means of all welding. The
top plate is an orthotropic bridge panel composed of a cover plate
and a longitudinal stiffener.
The thickness of each typical steel box girder can be: cover plate
thickness 14mm, longitudinal U-shaped rib thickness 6mm, upper
mouth width 320mm, lower mouth width 170mm, height 260mm, pitch
620mm; bottom plate thickness 10mm, longitudinal U-shaped stiffener
The inclined web is 14mm thick, the middle web is 9mm thick, the
transverse partition is 4.0m, the thickness is 12mm, and the beam
height is 2~3.5m.
Steel box beam is a commonly used structural form in engineering.
In order to study the influence of the spacing of the diaphragm on
the distortion of simply supported steel box girder under
concentrated load, the simple supported steel box girder with
different number of transverse partitions is set to compare the
concentration. Distortion effect and rigid torsion effect under
load, the maximum distortion effect is obtained with the number of
diaphragms. Concentrated load is applied to the top of the box
girder, and it is used according to four conditions: distortion,
rigid torsion, symmetrical bending and eccentric load. The method
of load decomposition is calculated.
Features:
In the long-span cable-supported bridge, the main beam of the steel
box spans several hundred meters and up to several kilometers. It
is generally divided into several beam sections for manufacturing
and installation. Its cross section has wide and flat shape
characteristics, and the aspect ratio reaches 1 : 10 or so.
Lightweight Steel Box Girder High Intensity Stable Efficient For Long Spans Bridges
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