Development of Structurally Independent Foundations for 36-inch Tall Single Slope Traffic Rail (SSTR) for MASH TL-4
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2020-12-01
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Edition:September 2018–August 2019
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Abstract:The objective of this project was to develop structurally independent foundations for TxDOT’s 36-inch tall single slope traffic rail (SSTR). The barrier and foundation systems were required to meet AASHTO MASH Test Level 4 (TL-4) criteria, and require minimal maintenance after a design impact. Foundation designs were needed for two common field installation scenarios; a foundation that has a shallow depth but can have a wider footprint, and a foundation that has a narrow footprint, but can have greater depth.
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