Transcription of Bridge Design Manual - LRFD (LRF)
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Bridge Design Manual - LRFD. Revised July 2018. 2018 by Texas Department of Transportation (512) 463-8630 all rights reserved Manual Notice 2018-1. From: Gregg A. Freeby, , Director, Bridge Division Manual : Bridge Design Manual - LRFD. Effective Date: July 31, 2018. Purpose This Manual documents policy on Bridge Design in Texas. It assists Texas Bridge designers in apply- ing provisions documented in the AASHTO LRFD Bridge Design Specifications, to which designers should adhere unless directed otherwise by this document. Changes Revisions to Manual to conform to the 8th Edition of the AASHTO LRFD Bridge Design Specifications with Interims.
on typical multi-column bents and abutments, use the multiple presence factor, m, per Article 3.6.1.1.2. Distribute the live load equally to all supporting foundations, assuming all lanes are loaded. Do not apply the Dynamic Load Allowance (IM) to the live load in determining foundation
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