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- Title
Trapezoidal Truss Type Arch Ring Cantilever Casting Hanging Basket.
- Abstract
For the construction project of Shuiluo River Grand Bridge which is a deck reinforced concrete cantilever casting arch bridge, based on domestic and international advanced technology and successful experience of deck arch ring hanging basket, a new type of cantilever casting hanging basket for concrete arch bridge with independent intellectual property rights is designed. The hanging basket mechanism is set up reasonably, which can minimize the self-weight and ensure that the stiffness, strength and stability meet the design requirements. The main bearing structure adopts a trapezoidal truss structure, which solves the problem of cantilever section casting with large inclination angle, long cantilever and heavy load. The travelling, positioning and adjusting mechanisms adopt hydraulic systems, which reduces human operation and improves the construction efficiency. During the construction of the bridge, the fully hydraulic steel internal formwork system is adopted for the first time, which realizes intelligent extension and retraction and the independent travelling functions of the internal formwork and greatly improves the construction efficiency. To adapt to the continuous changes in the angle of the hanging basket during the construction of the arch ring, the innovatively designed adjustable walkway platform system can always remain horizontal, which provides the operators of the hanging basket construction with a good safety guarantee and a comfortable working environment.
- Subjects
ARCHES; CANTILEVERS; TRUSSES; INTELLECTUAL property; BASKETS; ARCH bridges
- Publication
Construction Machinery & Equipment, 2024, Vol 55, Issue 5, p1
- ISSN
1000-1212
- Publication type
Article