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:What are the methods of steel structure rust removal, which method is good?
Method: 1, steel rust blasting, namely: the steel shot by high-speed rotation of the polishing head thrown, shot hit on the component surface and achieve intensive derusting purposes; 2, sand blasting, namely: quartz sand, corundum sand, copper ore sand (price difference) with high pressure air jet carrying on the surface of the component to the purpose of steel rust;
Q:What is steel structure steel plate?
When the length of the material is controlled from 3 to 6m, the problem that the vertical transportation can not be suspended between the secondary beams can be avoided. When the floor slab is hoisted, a special soft sling is used. Check the soft sling for tearing and cutting when lifting. When the support plate is used on the steel beam, the probe shall be prevented. When laying, the operator shall wear a seat belt and ensure that the edges are secured to the perimeter safety rope.
Q:Who are the customers of color steel and steel structure?
Color steel composite plate, color coated tileSteel structure is installed large projects, large amount. Get enough to eat a few customers
Q:How to calculate the purlin of steel structure.
Single purlin weight =7.5* (0.16+ (0.06+0.02) *2-4*0.0025) *19.625=45.63 kg.You don't have 7.5 meters in the design bill, so you can ask about the design.
Q:What effect does the welding slag not have on the steel structure or the reinforced concrete structure?
Affect corrosion. Welding slag is porous, such as not welding slag, anti-corrosion paint can not effectively prevent oxygen and welding alloy contact, will cause rust.
Q:How can steel structures be made from bolts or bolts? High strength bolts are generally used for installation or production?
You must understand that a mounting bolt is used for installation, which is now in the welding joints of steel structure connection, the first fixed installation bolt and welding, the calculation only considers the weld resistance, the bolt itself does not force, with ordinary bolt.
Q:How to repair the steel structure workshop H steel column in the ground 1 meters high is hit by the car deformation, in the condition of not changing the column, how to restore and ensure structural load-bearing role?
Can be directly welded steel plate for reinforcement
Q:How much is steel per square meter of steel foundation?
All types of foundations are not exactly the same. It is recommended that you calculate the total amount of reinforcement, and then divide the area to get the square meter content. This is more accurate.
Q:Steel structure lateral inspection "z15" what does that mean?
Steel structure: one of the main structural types of steel structures. It is one of the common structural forms in modern architectural engineering. China was the earliest country to make load-bearing structures with iron. The steel structure project is mainly made of steel. As far back as the Qin Dynasty (246-219 BC), iron had been used as a simple load-bearing structure, while western countries began to use metal bearing structures in seventeenth Century. In the 3-6 century, smart and hard-working people China with chains built iron chain suspension bridge, the famous Sichuan Luding Dadu River Bridge, Jiangqiao Yunnan yuan and Guizhou plate Jiangqiao are China's early iron body bearing structure example. Although China's early iron structure in the remarkable achievements, but because of more than 2000 years of feudal system of bondage, science is underdeveloped, so temporarily stay at the level of iron buildings. It was not until the late nineteenth Century that China began to adopt modern steel structure. After the founding of new China, the application of steel structure has been greatly developed, both in quantity and quality, far more than in the past.
Q:Brief discussion on safety measures of steel structure installation
Steel structure safety protection: steel structure construction (installation) in general, each column in the factory according to a certain height to make, tower in accordance with each storey height of 12 ~ 13m production, to the site construction speed is faster. The installation of the operating personnel working time are most of the primary and secondary operation in the narrow beam or walk, in my project of steel structure of each layer height of 12 ~ 13m as an example, according to the standard of 2m aerial work as the starting point, it has exceeded the aerial work safety requirements, so in the end, the 3.5m column installation when conditions permit next, should put up the double level safety net for protection, and add a layer of horizontal safety net in each installation section of main structure column, the level of network security protection and steeplejacks protection distance is generally not more than 10m.

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