Ridge keel geometry and interaction with the confederation bridge

Date
2010
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Abstract
The Confederation Bridge is the longest bridge to span ice covered waters in the world. To process the abundance of sonar data collected at the Bridge, two macro programs were created. Sonar data from 2007 and 2008 data collected by the ice force monitoring program were processed using the macros. Ice depth data was obtained from sonar instrumentation and then combined with video and pressure data to produce two dimensional keel cross-sections. Keel depth, width, leading angle, trailing angle, bottom width, and area are identified for each cross-section. Keel cross-sections are then matched to the ice load at the likely interaction time and checked for possible relationships. Maximum keel depths were less than those predicted during Bridge design. However, the probability of exceedance of keel depths observed is close to the design distribution. Almost no relationship was observed between keel geometric properties and load in the overall data.
Description
Bibliography: p. 162-166
Some pages are in colour.
Includes a CD containing the appendices.
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Citation
Obert, K. M. (2010). Ridge keel geometry and interaction with the confederation bridge (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/3526
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