HD200 High quality portable bailey steel bridge components

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Shanghai
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1 set
Supply Capability:
1000 set/month

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The compact 200 panel bridge is similar to the compact 100 panel bridge from their appearance. The difference is its increased panel height to 2.134m. It employed the method of alternating joints between Reinforcement Chords and the joints between panels. This method can decrease inelastic deformation caused by the oversized pinholes.  Pre-arch method is used to additionally cut down mid-span and vertical deflection to a larger degree. Bolt-connected components use the orienting sleeve- fixing method to increase accuracy of connections. Shear is created in orienting sleeves and tension is developed in bolts, which increase the usage life of the bolts and ensure the safety of panel bridges. Wind resistant brace is made to be composite type and is connected to transom/girders to improve overall stability of panel bridges. 

The part between braced frame and panels is fixed through bridging so as to prevent the whole bridge from side bending. After the erection, there will be a pre-arched degree over the span of the bridge. Besides it can be assembled into single-lane bridges. The compact 200 panel bridge can also be assembled into double lane bridge, hence it broadens its application range. It is suitable for the load designs of HS-15, HS-20, HS-25 and pedrail-50 etc. 

 


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Q:Steel structure platform cost
Give me your drawings, the quota to be used, your construction organization plan and other relevant information to me. I'll calculate the cost for you
Q:What does steel structure 8M24 mean?
Steel structure is mainly made of steel material, and it is one of the main types of building structure
Q:What is the steel structure of portal frame and frame difference
The bent frame is composed of a roof truss (or a roof beam), a column and a foundation, wherein the column is hinged with the roof truss and is rigidly connected with the foundation. It is the basic structure form of the single story factory building.
Q:Why steel structure does not fire?
When the temperature is about 250 degrees Celsius, the tensile strength increases locally, the yield strength rises, the strength increases, and the plasticity decreases, and the material turns brittle.Creep is the phenomenon of steel deformation at a very slow speed in the range of 260 DEG C to 320 DEG C under the condition that the stress remains constant. With the performance of 200 DEG C has no change in the material properties, the surface structure of the radiation temperature should not exceed 200 degrees, the current steel structure industry regulation of the temperature to 150 degrees is appropriate, beyond which the temperature should adopt fire insulation protection.
Q:How is the steel structure foundation checked and accepted?
The column position in the column surface measuring axis of projectile.Level of plinth elevation. Concrete plinth elevation 50 ~ 60 mm for general casting (compared with steel column base design, installation in elevation) with steel plate or early adoption by plasma plate leveling.When using the steel plate support plate, steel plate area should be determined according to the fastening force and compressive strength, concrete of foundation base plate two times before grouting at the bottom of the column load and anchor bolt. The contact between the shim and the base and the bottom of the column should be smooth and tight.When the cushion plate is used, the shrinkage free mortar shall be adopted. The strength of the mortar block should be higher than that of the base concrete before the lifting of the column, and the mortar pad should have enough area to meet the requirements of the load.
Q:Is there any difference between the rigid and rigid connections in the design of steel structures?
Two different concepts, reflect the position is different, generally refers to the fixed upper structure relative to the base part is fixed, as long as the foundation stiffness is enough, generally can be used as embedded parts embedded area in a certain range.
Q:How to calculate the steel structure quota?
Depends on the classification, if there is civil construction on the set of civil steel structure quota, if there is installed on the installation of steel structure quota.
Q:Which is better, the fire resistance of the reinforced concrete structure and the fire resistance of the steel structure?
The steel melting point, steel structure is not to the melting point, when the burning temperature reached 500 degrees, the structure will collapse, concrete has no melting point, when the temperature reached 80 degrees will appear on the surface of concrete crack, skin peeling.
Q:In the steel structure, should be the first high-strength bolts after the end of the welding, or first screw, then welding after the end of the screw?
High strength bolt connection first start, from the middle to the periphery of the installation of high-strength bolts, all installed after, and then turn with torque wrench finally. The structure of high strength bolt joint needs little welding. Welding is definitely the last thing to do if needed.
Q:How many square meters is one ton of steel structure anticorrosion?
The whole system of 2000 quotas, including 2000 quotas, has no relevant explanations. Neither has been cancelled nor has it been made clear.

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