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Erschienen in:
1996 | OriginalPaper | Buchkapitel
Tunnel Rehabilitation
verfasst von : Henry A. Russell
Erschienen in: Tunnel Engineering Handbook
Verlag: Springer US
Enthalten in: Professional Book Archive
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Over the last few years, the concern for infrastructure has created a new interest in the rehabilitation of existing tunnel facilities. Many of the tunnels in the United States and abroad were constructed prior to World War II and are approaching their design-life expectations. However, due to the high cost of replacing these facilities, many tunnel systems are being rehabilitated to extend their useful lives well into the next century.