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Your search keyword '"Allen, Tony"' showing total 2 results
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2 results on '"Allen, Tony"'

1. HBCUs Should Join Forces.

Author

Allen, Tony

Subjects
*HISTORICALLY Black colleges & universities, *MINORITY college graduates, *EDUCATIONAL quality, *GOVERNMENT aid to higher education
Abstract

The author offers insights on the need for Historically Black Colleges and Universities (HBCU) in the U.S. to organize a nationwide consortium of talent and innovation to become a large university system in the country. Topics discussed include the share of HBCUs in producing college graduates of color in the country, criticism of the quality of education being provided by HBCUs, the struggle of HBCUs to leverage its financial resources, and the ability of HBCU to become a larger single system.

Published
2022

2. LRFD Calibration of Internal Limit States for MSE Walls Using Steel Strip Reinforcement.

Author

Bathurst, Richard J., Bozorgzadeh, Nezam, and Allen, Tony

Subjects
*STEEL strip, *LOAD factor design, *REINFORCING bars, *REINFORCED soils, *ROLLING (Metalwork), *WALL design & construction, *CALIBRATION
Abstract

The paper demonstrates load and resistance factor design (LRFD) calibration for tensile strength and pullout strength limit states for steel strip mechanically stabilized earth (MSE) walls using a reliability theory-based approach. The analyses adopt load models found in current North American LRFD specifications in combination with a coupled mechanical-corrosion model for the reinforcement tensile strength and pullout models found in design guidelines and in the research literature. Resistance factors for prescribed load factors and different load and resistance model combinations are compiled in tables. The limitations of the LRFD approach to generate resistance factors that are judged to be acceptable based on current practice are demonstrated. The challenges to generate consistent design outcomes with the same margin of safety expressed probabilistically are identified, and the link to reliability-based design is described. Example designs are provided to show the impact on steel reinforcement quantities and length when using different models in combination with proposed and current specified load and resistance factors. The calibration outcomes will be of value to code writers in Canada and the US for MSE wall design sections in the next editions of national geotechnical foundation LRFD codes. [ABSTRACT FROM AUTHOR]

Published
2021
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