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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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What is the main function of the axial multi-directional displacement comb plate expansion device
2025-02-25The axial multi-directional displacement comb plate expansion device mainly has the following functions: 1. Adapt to bridge displacement: Able to adapt to multi-directional displacement of bridges under temperature changes, vehicle loads, wind loads, etc., including longitudinal expansion, lateral displacement, and vertical rotation angles. The multi-directional displacement hinge composed of ste
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What are the applications of special bearings for highway bridges in complex terrain areas
2025-02-18The following are some applications of special bearings for highway bridges in complex terrain areas: 1. Raise the bowl shaped support Mountainous highway bridges: The terrain in mountainous areas is undulating, and during bridge construction, the use of adjustable basin type supports can correctly adjust the elevation of the beam body, ensuring smooth bridge alignment and meeting design
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What is the purpose of modular multi joint expansion device
2025-02-11Modular multi joint expansion device is mainly used in bridge engineering, and its applications include the following aspects: 1. Adapt to bridge deformation: It can effectively absorb and adapt to the expansion and contraction deformation of bridges caused by temperature changes, concrete shrinkage and creep, vehicle loads, and other factors. For example, when the temperature rises or falls sign
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Where are lead core isolation rubber bearings mainly used
2025-02-06Lead core seismic isolation rubber bearings are mainly used in the following fields: 1. Construction field New buildings: For important public buildings such as hospitals, schools, museums, and high-rise buildings that require high seismic resistance, lead core isolation rubber bearings can separate the structure from the foundation, extend the natural vibration period of the structure, re
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