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- W658522875 abstract "Maintenance of Britain's Victorian Railway tunnels is now greater than ever before with increased traffic, loading sizes, speeds and the need for reliability and safety. Deterioration in tunnel linings has caused loss of gauge due to bulging. Water dripping onto tracks has increased rail wear, caused serious loss of tractive effort and formation of icicles that has resulted in line blockages. In the 1997/1998 Structures Renewal Programme, aimed to make tunnels maintenance free for 10 years, Charles Haswell and Partners Limited and Natural Cement Distribution Limited were involved with 13 tunnels in the Great Western Region UK, four built by Brunel. Haswell inspected and prepared a scope of remedial works for each tunnel, then designed and supervised repair works. In order to assess repair requirements, a desk study was carried out on typical tunnel construction methods and materials, building up a picture of the strength of the brick/masonry lining ring. Site inspections, with some coring of the lining, gave added support to these strength estimates. The design of remedial works was primarily concerned with water management and strengthening. The use of 'original' materials such as Natural Hydraulic Lime and Natural Cement allowed sympathetic and effective repairs to be undertaken but still giving respect to these 150 year old structures. The paper describes the 1998 strengthening and water management repairs to Sugarloaf Tunnel, Mid-Wales, UK. The case study includes a re-visit to the project after 5 years. For the covering abstract see ITRD E123168." @default.
- W658522875 created "2016-06-24" @default.
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- W658522875 date "2003-07-01" @default.
- W658522875 modified "2023-09-27" @default.
- W658522875 title "MAINTAINING AND REPAIRING VICTORIAN BRICK RAILWAY TUNNELS" @default.
- W658522875 hasPublicationYear "2003" @default.
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