화약ㆍ발파 (Explosives and Blasting)
- 제9권4호
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- Pages.22-31
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- 1991
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- 1229-9073(pISSN)
일본의 NATM시공
New Austrian Tunneling Method
초록
NATM technic had been applied to Nakaya tunnel of Sin kan express R.R lines in 1975. on the worst expandable geological conditions, application of NATM method was carried out good result. Measurement data which include convergencymeter, inclinometer, extensometor load-cell, strain gage data of shotcrete stress and steel arch. was explained with slides. Induced NATM technic has been improved since 1975 as follows, specially adhesive method of shotcrete instead of spray method such as tunnel swift lining Sliding press lining, clean lining by pumping and sweeping tote lining ets.
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