Manufacturing technique and performance of functionally graded concrete segment in shield tunnel

2009, Volume 3, Issue 1

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Frontiers of Structural and Civil Engineering >> 2009, Volume 3, Issue 1 doi: 10.1007/s11709-009-0011-8

Manufacturing technique and performance of functionally graded concrete segment in shield tunnel

1. Key Laboratory of Silicate Materials Science and Engineering, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China; 2. Concrete Batching Plant, SDIC Hainan Cement Co., Ltd, Haikou 570100, China

Available online: 2009-03-05

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Abstract

The quality of segment is very important to the service life of shield tunnel. Concerning the complex engineering environment of the Wuhan Yangtze River Shield Tunnel, the principle of functionally graded materials was introduced to design and produce the functionally graded concrete segment (FGCS). Its key manufacturing technique was proposed and its performance was tested.

Keywords

shield tunnel ; functionally graded concrete segment (FGCS) ; manufacturing technology ; performance

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