New Revival Technique for Tunnel Structures
By S. Matsuoka, M. Saitou, T. Suzuki and K. Nishiwaki

Concrete Journal, Vol.41, Apr. 2003


Synopsis
Spalling of tunnel lining concrete is currently a serious problem. For providing powerful solutions, various methods for tunnel repair and reinforcement anre propsed. However, effective techniques that can be used in tunnels in service have not yet been well established. This paper deals with a newly developed reinforcing method applicable to tunnels in service and reports the case of its utilization in actual tunneles.
Keywords:
tunnel, reinforcing method, short-fiber reinforcement

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