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This book systematically and comprehensively expounds the calculation theory, design method and engineering application of CWR turnout on bridges on high-speed railway. This book applies the concept of systems engineering and considers the vehicle-turnout-bridge as a coupled system. It combines static analysis, dynamic simulation, laboratory tests, and field tests, integrating theoretical research with practical engineering applications. The book solves critical technical puzzles such as constitutive relationships in force transfer mechanisms and interactions between turnouts and bridges, optimal configurations of turnouts relative to bridges, and appropriate structural designs and parameters for turnout beams. It establishes the calculation theory and design method for welded turnouts on bridges, creating a complete technical framework that includes theoretical analysis, structural design, testing, monitoring, and technical standards, thereby ensuring the safe and stable operation of high-speed railway turnouts on bridges in China. Moreover, the book introduces innovative design concepts for controlling relative displacements between turnouts and bridges, proposes design methods for welded turnouts on high-speed railway bridges, conducts service status monitoring and dynamic performance testing, and validates a wealth of field data. It summarizes research findings and practical experiences in the field of welded turnout technology on high-speed railway bridges, serving as a valuable resource for industry professionals, college students, and postgraduates involved in high-speed railway track engineering.
Qiuyi Li is the deputy chief engineer at China Railway Siyuan Survey and Design Group Co., Ltd., an expert at China Railway Construction Corporation, and serves as the deputy director of the Hubei Key Laboratory. He holds the titles of Doctor and Professorate Senior Engineer, specializing in track design and technology research and development for high-speed railways and urban rail transit. He has 2 National Science and Technology Progress awards, published two monographs, authored eight standards and specifications, and obtained 32 invention patents, 66 utility model patents, and 11 software copyrights. He has also received the National May Day Labor Medal, was selected for the "National Hundred Million Talents Project," earned the honorary title of "Outstanding Contributions Young and Middle-Aged Expert," Special allowance from the State Council of the People's Republic of China, and won the Zhan Tianyou Railway Science and Technology Award-Achievement Award.
Bin Zhu, vice chief engineer of the railway line and station design and research department at China Railway Siyuan Survey and Design Group Co., Ltd., holds the titles of Professorate Senior Engineer, Registered Supervision Engineer, and Secretary General of the Standardization (Track) Professional Committee of China Railway Society. He has led track design projects for the Guangzhou-Shenzhen-Hong Kong High-speed Railway, Hangzhou-Changsha High-speed Railway, and Nanchang-Ganzhou High-speed Railway. His expertise includes designing continuous welded rail with welded turnouts, master slab track, bi-block sleeper ballast-less tracks, and ballast-less track designs.
Shijie Zhang is the director of the Track Institute at China Railway Siyuan Survey and Design Group Co., Ltd. and a professor engineer. He focuses on high-speed railway and urban rail transit track engineering structure design, continuous welded rail, and the research and application of intelligent construction and operation and maintenance technology. He has been responsible for track design on projects such as the Nanjing-Hangzhou, Hangzhou-Ningbo, and Hangzhou-Huangshan High-speed Railways. He has received three Science and Technology Awards from the China Railway Society, six Excellent Engineering Design Awards from the National Railway Administration, four Science and Technology Awards from the China Construction Enterprise Management Association, and seven additional Science and Technology Awards from the China Railway Construction Corporation.
Introduction.- Overview of Technological Development of CWR Turnout on Bridge in China and Abroad.- Computational Models and Methods for CWR Turnout on Bridge.- Design Methodology of CWR Turnout on Bridge.- Research on Structural Design of Girder Turnout.- Dynamic Simulation Analysis of Turnout on Bridge.- Status Monitoring of CWR Turnout on Bridge.- Field Test for Mechanical Properties of CWR Turnout on Bridge.- Design Cases of CWR Turnout on Bridge.
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