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- W2978223670 abstract "When using traditional techniques, the following problems may appear during the construction of large-span CFST arch bridges: (1) high construction cost of traditional towers and long construction period; (2) large friction in traditional steering cable saddles and severe abrasion of fastening stay; (3) large pipe diameter and great perfusion volume, which make it difficult to guarantee concrete compactness in the pipes; (4) large span and a great number of arch rib erection segments, which affect the linear construction precision. This study focuses on the Matan Hongshui River Super-large Bridge, which is a half-through CFST arch bridge with a main span of 336 m. Specifically, the installation of arch rib cable-stayed fastening stay system, self-compacting non-shrinking concretes and intelligent load regulation for fastening cables during the construction process were investigated in depth. Moreover, some novel devices including distributed cable steering saddle and heavy steel tube tower were proposed and adopted. The present study can provide a new approach for the construction of large-span CFST arch bridges and insightful reference for same type of large-span bridges." @default.
- W2978223670 created "2019-10-10" @default.
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- W2978223670 date "2019-09-30" @default.
- W2978223670 modified "2023-09-26" @default.
- W2978223670 title "Key Technologies and Innovations in the Construction of Matan Hongshui River Super-Large Bridge" @default.
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- W2978223670 doi "https://doi.org/10.1007/978-3-030-29227-0_62" @default.
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