Zhenjiang Great Wall Heavy Industry Technology Co.,Ltd
Stable Resistant Steel Box Girder Top Plate Reinforced Concrete Structure
Country/Region
china
City & Province
zhenjiang jiangsu
Product Details
Mobile gantry crane stable Steel box girder Top plate Reinforced
concrete structure
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.
Introduction: Steel box girder, is a common structural form of long span bridges.
It is generally used on bridges with large spans. It is called a
steel box girder because its appearance is like a box.Box girder of
reinforced concrete structure is divided into prefabricated box
girder and cast-in-place box girder. The prefabricated box girder
combined bridge machine at the independent site can be erected
after the completion of the lower project, which can speed up the
project schedule and save the construction period; the
cast-in-place girder is mostly used for large continuous bridges.
There are two main types of materials, one is prestressed
reinforced concrete box girder, and the other is steel box girder.
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.