Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
Patent
1987-05-11
1988-11-22
Taylor, Dennis L.
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
Boring
405150, 405141, E21D 1114
Patent
active
047862068
ABSTRACT:
A tunnel wall lining method is provided, wherein annular recesses circumferentially are provided in outer periphery of a lining form into which arcuate segments are assembled, a plurality of rows of reinforcing bars are arranged annularly in the respective recesses of the lining form, and a lining is constructed with concrete cast into a space between the tunnel wall and the lining form. The lining thus constructed includes circumferentially extending and radially inwardly projecting beams in which the reinforcing bars are embedded, whereby a lining having a reinforcing structure can be constructed in a simple and economical manner and in a shortened construction period.
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Kumai Fumitaka
Yamamoto Minoru
Taylor Dennis L.
Tekken Construction Co. Ltd.
Yamamoto Minoru
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