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Optimum heat insulator in consideration of statistical atmospheric conditions for an adiabatic icicle prevention in an existing tunnel
既設トンネルにおける気象条件の確率量を考慮した断熱つらら防止工の断熱材の最適化
1988
Doboku Gakkai Ronbunshu
既設トンネルにおける気象条件の確率量を考慮した断熱つらら防止工の断熱材の最適化
Preserved Fulltext
This paper deals with the optimum method of a heat insulator for an adiabatic icicle prevention at tunnel-lining surface. The atmospheric conditions, which consist of yearly mean temperature, yearly amplitude and daily amplitude, are estimated as statistical values following an extreme distribution analysis. They are incorporated into a nonsteady state heat convection/conduction analysis about a tunnel-ground model with adiabatic treatment. Thus the material and the thickness of a heat
doi:10.2208/jscej.1988.400_171
fatcat:z2dt2jcibba23jh5sfot3simwy