Effects of the activity of underground Ping-Ling moutain area on temperature in the tunnels

• Main Authors: Hsu,Chi-Hsuan, 許績勳
• Other Authors: Chen,Falin
• Format: Others
• Language: zh-TW
• Published: 1996
• Online Access: http://ndltd.ncl.edu.tw/handle/41687614398241494433

碩士 === 國立臺灣大學 === 應用力學研究所 === 84 === Ping-Ling tunnel provides connection from Ping-Ling freeway interchange to the town of Tou-Chen in Lan-Yang plain totaling 12.9 kilometers long. Due to tunnel length and Taiwan's higher ambient temperature the tunnel may face heat dissipation Trapped heat may accumulate within the tunnel and cause sustained high tunnel temperature. During tunnel excavation, deposit of ground water was found trapped within rock formations. The amount of ground water released was large that even the construction was slowed. Ground water activity may increase heat dissipation from tunnel walls, hence, tunnel temperature may be lowered. This thesis will first examine rock formation's physical properties and ground water level distributions along boring locations along the tunnel. Meteorological data of northern Taiwan region from the Central Weather Service will further aid the study. More, correlation will be made between ground water activities and ground water temperature. In the last section of this thesis, heat dissipation effect of tunnel walls from ground water activities will be modeled with empirical simulations.