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Key Technologies of Construction and Control of Arch Cantilever Casting for Mupeng Bridge
The technology of cantilever casting construction was complex for reinforced concrete arch bridges. This paper described key technologies of construction and control of concrete arch cantilever casting construction. The article introduced on cast-in-place support, fastening tower, hanging basket and anchorage system in cantilever casting construction. Based on the results of arch ring stress and arch ring camber, the methods of construction control were established on arch ring alignment, arch ring stress, cable force and tower displacement during the arch construction. Ensure the structure safety and make the structure's internal force reasonable, the compressive stress of arch sections is less than 10 MPa, tensile stress of arch sections is less than 1.5 MPa in construction of concrete arch cantilever casting.
Key Technologies of Construction and Control of Arch Cantilever Casting for Mupeng Bridge
The technology of cantilever casting construction was complex for reinforced concrete arch bridges. This paper described key technologies of construction and control of concrete arch cantilever casting construction. The article introduced on cast-in-place support, fastening tower, hanging basket and anchorage system in cantilever casting construction. Based on the results of arch ring stress and arch ring camber, the methods of construction control were established on arch ring alignment, arch ring stress, cable force and tower displacement during the arch construction. Ensure the structure safety and make the structure's internal force reasonable, the compressive stress of arch sections is less than 10 MPa, tensile stress of arch sections is less than 1.5 MPa in construction of concrete arch cantilever casting.
Key Technologies of Construction and Control of Arch Cantilever Casting for Mupeng Bridge
Peng, Wen-Ping (author) / Tian, Zhong-Chu (author) / Jiang, Tian-Yong (author)
2012
6 Seiten
Conference paper
English
Key Technologies of Construction and Control of Arch Cantilever Casting for Mupeng Bridge
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