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Zhenjiang Great Wall Heavy Industry Technology Co.,Ltd
ZHENJIANG GREAT WALL HEAVY INDUSTRY TECHNOLOGY CO.,LTD. Professional factory Specializing in Bailey Bridge and Steel Structure supply.
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Lightweight Steel Box Girder High Intensity Stable Efficient For Long Spans Bridges

Zhenjiang Great Wall Heavy Industry Technology Co.,Ltd

Lightweight Steel Box Girder High Intensity Stable Efficient For Long Spans Bridges

Brand Name : Great Wall

Model Number : GWG

Certification : BV, SGS, CCIC,CNAS,CE,ISO9001,etc

Place of Origin : Zhenjiang, China

MOQ : According to the order

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 50,000Tons per Year

Price : The highest performance-price ratio in the same trade

Delivery Time : According to the order

Advantange : fast installed; low cost; easy to install

Incidental services : Transportation insurance;Detailed Installation Guidance;According to the order

Product Name : Steel box girder

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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.


Product Tags:

prestressed box girder

      

steel plate girder

      
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