EXPERIMENTAL STUDY ON THIN FLEXIBLE TUNNEL SUPPORT SYSTEM
The mechanical efficiency of a thin flexible tunnel support system such as shotcrete lining and rock bolts is investigated on the basis of experimental works. At first, model tests of tunnel excavation in which shotcrete lining and rock bolts were simulated by thin papers were carried out in a dry sand ground. It was found out that even if so flexible thin paper closed ring lining has a remarkable effect on the tunnel stability and that the effect of rock bolts appears only when they are placed to get into the outside of a plastic zone developed in the surrounding ground. A circular tunnel excavation was simulated by shrinking a metal ring in an aluminum rod mass and the development of a loosened zone in the ground due to tunneling was discussed. (Author abstract)
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/05783747
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Corporate Authors:
Japan Society of Civil Engineers
1-chome, Yotsuya, Shinjuku-ku
Tokyo, Japan 160-0004 -
Authors:
- Adachi, T
- TAMURA, T
- YASHIMA, A
- Publication Date: 1985-6
Language
- Japanese
Media Info
- Features: References;
- Pagination: p. 47-52
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Serial:
- Japan Society of Civil Engineers, Proceedings
- Volume: 3
- Issue Number: 358
- Publisher: Japan Society of Civil Engineers
- ISSN: 0578-3747
Subject/Index Terms
- TRT Terms: Excavation and tunneling; Ground handling; Linings; Rockbolts; Shotcrete; Soil stabilization; Tunnel lining; Tunneling
- Uncontrolled Terms: Stabilization
- Old TRIS Terms: Ground supports; Shotcrete lining; Tunnel excavation; Tunnel stability; Tunnels and tunneling
- Subject Areas: Aviation; Bridges and other structures; Construction; Design; Geotechnology; Highways; Public Transportation; I25: Design of Tunnels; I54: Construction of Tunnels;
Filing Info
- Accession Number: 00453785
- Record Type: Publication
- Source Agency: Engineering Index
- Files: TRIS
- Created Date: Aug 27 2004 10:00PM