Shallow Foundation Design with Liquefiable Soils and Pile Foundations

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Description

Shallow Foundation Design with Liquefiable Soils
This presentation will go through Design Example 62 “Shallow Foundation Design with Liquefiable Soils”. The design example is based on an actual project in which an existing building on a site with liquefiable soils and with shallow foundations was required to be brought to current building code standards. It delves into ASCE 7-16 Section 12.13.9, discussing when shallow foundations can be used and for what parameters they must be designed on sites with liquefiable soils.

Pile Foundations
The presentation includes a review of Example 5 of Volume 3, which pertains to the design of a cast-in-place concrete pile foundation. The foundation addressed in the example is a post-tensioned concrete parking garage. However, the pile design methodology is applicable to any building. The presentation includes recommendations for coordination with the geotechnical engineer, determination of the most cost-effective geotechnical pile capacity for the project, determining the number of piles at each location, geotechnical and structural design of the piles to resist vertical and lateral loading, distribution of base shear, review of applicable Code requirements and recommendations for detailing.

Course will award 1.5 hours of continuing education
This course is Diamond Review approved in 49 states. New York does not accept hours from recordings.

Please note: This webinar is part of the Seismic Design Series and is not included in the NCSEA Webinar Subscription.

Contributors

Katy Briggs, S.E.

Katy Briggs, S.E., was the Volume 1 project manager and co-project manager for the 2018 SSDM. She is a co-founder of BASE Design and has a wide-range of experience in the AEC industry. She has managed the structural design and analysis of new buildings, retrofits of existing buildings, and the post-disaster evaluation of existing buildings. Her project work includes education, healthcare, government, correctional, residential, and commercial facilities, utilizing a variety of building materials. This work has been done for clients ranging from individual owners to architects to government agencies.
Stephen Harris, S.E.

Stephen Harris, S.E., has practiced structural engineering for over 35 years and is a principal at Simpson Gumpertz & Heger Inc. His experience includes design of new structures, seismic strengthening of existing structures and design of pile foundation systems. His pile foundation designs include the 49ers Levi’s Stadium, Facebook’s new West Campus, Samsung’s new American Headquarters in San Jose, and the new SFO Control Tower. Other noteworthy projects include the seismic upgrade of the War Memorial Veterans Building in San Francisco, the expansion, remodel, and seismic upgrade of the J. Paul Leonard & Sutro Library at San Francisco State University, the design of the 29-story 199 Fremont office building in San Francisco and the design of forty-two new Bachelor Enlisted Quarters buildings at USMC Base, Camp Pendleton, CA.

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Description

Contributors

Katy Briggs, S.E.

Stephen Harris, S.E.