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| Power Engineers Inc. |
Kitimat, BC |
Carried out field investigation and geotechnical evaluation of anchor sites in metamorphic rocks for cross-valley cables to support transmission lines at Kildala Pass. The three day field investigation involved geological mapping in the vicinity of the proposed anchor blocks, and the collection of discontinuity information. The anchor block stability was assessed using limit equilibrium analysis to calculate the factor of safety against sliding, and Newmark analyses were used to estimate the movement of the anchors in the event of an earthquake. The cross valley cable support design comprised of splayed out strand anchors drilled into the rock face and spread over a concrete saddle for load distribution. Also prepared decision analysis model to evaluate risk of placing the anchors.
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| Raven Architects |
North Vancouver, BC |
Completed field investigation and preliminary foundation design for restaurant structure at Capilano Suspension Bridge in North Vancouver. The design involved rock reinforcement comprising a series of tensioned rock anchors installed through the rock supporting the footings.
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| URS Greiner Inc. |
Allentown, Penn |
Responsible for foundation design of the abutments and piers in limestone bedrock for a 1728-ft span, steel truss highway bridge over Lehigh River, between Bethlehem and Easton, Pennsylvania. This involved research of existing geological data, development of geologic models, evaluation of rock foundations and slope stability during construction, recommendation for 1997 subsurface investigation, and risk assessment for bridge foundation stability.
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| Fluor Daniel |
Argentina |
Responsible for the stability assessment of the foundations for a 341 m-span, tension cable pipeline bridge sited in metamorphic rock. The work involved the review of a report on the foundation stability conditions and design of tie-down anchors prepared by another consultant. The potential for sliding to take place of a three dimensional block formed by the intersection of discontinuities beneath the bridge foundation was evaluated using limit equilibrium analyses under static and seismic conditions.
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