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What is the function of the modular multi-group joint expansion device
2025-04-22The modular multi-group joint expansion device is mainly used for structures such as bridges, and its functions are as follows: 1.Adapting to bridge deformation: Bridges will undergo telescopic deformation under the influence of factors such as vehicle loads, temperature changes, and concrete shrinkage and creep. The modular multi-group joint expansion device can, through its own telescopic abili
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How about the telescopic performance of ordinary noise reduction comb plate telescopic device
2025-04-15The expansion and contraction performance of the ordinary noise reduction comb plate expansion device is good, with the following characteristics: 1. adapt to large displacement: the surface plate of the comb plate expansion device is a comb shaped anti-skid groove steel plate, which is a supporting structure with mutual teeth extending from the left and right of the bridge deck gap. The structur
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Is the installation of JQZ series spherical bearings convenient
2025-04-08The installation of JQZ series of spherical bearings is relatively convenient, which is mainly reflected in the following aspects: 1. simple connection method: the sleeve and anchor bolt are used to connect the pier and beam. This connection method is relatively simple. The construction personnel only need to fix the sleeve on the pier and beam body according to the design requirements, and then
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What are the applications of railway rail transit bridge spherical bearings in large cross-border br
2025-04-01Railway Rail Transit Bridge spherical bearings are widely used in long-span bridges, mainly in the following aspects: 1. meet the stress requirements of long-span bridges Strong bearing capacity: long-span bridges bear huge loads, including the weight of the bridge itself, train loads, etc. The spherical bearing has high bearing capacity and can withstand the pressure of thousands or even
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What are the advantages of spherical bearings for railway rail transit bridges
2025-03-25Railway Rail Transit Bridge spherical bearing is an important supporting device for railway bridge construction, which has the following advantages: 1. high bearing capacity: the spherical bearing adopts spherical contact with large contact area, which can uniformly transmit the load of the bridge superstructure, and can bear the weight of thousands or even tens of thousands of tons, meeting the
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In which scenarios are the spherical bearings of railway rail transit bridges applied
2025-03-18Railway Rail Transit Bridge spherical bearings are used in a variety of scenarios, mainly including the following categories: 1. wide bridge: for railway bridges with large width, the bridge will produce complex deformation under the action of train load. With its good rotation performance and large displacement, the spherical bearing can better adapt to the deformation demand of the wide bridge,
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What are the uses of comb plate expansion device
2025-03-11The comb plate expansion device has the following main uses: 1. In terms of bridge engineering Adapting to Bridge Expansion and Deformation: It can effectively adapt to the expansion and deformation of bridges caused by temperature changes, concrete shrinkage and creep, vehicle loads, and other factors. In large-span bridges, temperature changes cause significant changes in the length of
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What are the applications of special bearings for highway bridges in coastal areas
2025-03-04Special bearings for highway bridges have various applications in coastal areas. The following are some common types and application scenarios: 1. Seismic isolation bearings Application scenario: Earthquake activity may be more frequent in coastal areas, and strong winds, waves, and other effects can also have dynamic effects on bridges. The Zhangshan high-speed railway (Guangdong section
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