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Permanent link (DOI): https://doi.org/10.7939/R3JM23Q0F

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An investigation of the ambient temperature field and thermal response of the Calgary Airport Trail Tunnel Open Access

Descriptions

Other title
Subject/Keyword
road tunnels
heat transfer analysis
thermal loads
long term monitoring
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Mori, Lomere
Supervisor and department
Gul, Mustafa (Civil and Environmental Engineering)
Cheng, Roger (Civil and Environmental Engineering)
Examining committee member and department
Adeeb, Samer (Civil and Environmental Engineering)
Department
Department of Civil and Environmental Engineering
Specialization
Structural Engineering
Date accepted
2016-09-29T14:46:16Z
Graduation date
2016-06:Fall 2016
Degree
Master of Science
Degree level
Master's
Abstract
Thermal loads must be considered in the design of many types of structures including buildings, dams, bridges, and tunnels. In some cases, thermal loads may have the same order of magnitude as dead and live loads. Determining the thermal load is a complex problem since it depends on several variables such as structural material, geometry of the structure, and the environment the structure is exposed to. The thermal response of the structure, which includes stresses and displacements, is also equally complex. There is currently a lack of design provisions in structural codes and literature that address design temperatures and the location of movement joints in tunnel structures. In this context, the main focus of this thesis is to study the temperature distribution and thermal response in concrete road tunnels due to ambient temperature using a case study. The main body of this thesis is comprised of two parts. The first part involves the study of temperature distributions and the resulting thermal response in the tunnel structure using numerical modelling. The second part involves the analysis of long term temperature and displacement sensor monitoring data collected from the Airport Trail Tunnel in Calgary, Alberta, which is a case study for this thesis. The aim of the study is to evaluate findings from the numerical analysis and sensor data with current structural code provisions that address design temperature and the location of movement joints. From the investigation, it was determined that the design temperature range was within CSA S6, however CSA S6 underestimates the temperature gradient effects in the walls and slabs of the tunnel. Recommendations and future work are addressed to conclude the thesis.
Language
English
DOI
doi:10.7939/R3JM23Q0F
Rights
This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for the purpose of private, scholarly or scientific research. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
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