Safety-based Bridge-overstress Criteria for Nondivisible Loads PDF Download

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Safety-based Bridge-overstress Criteria for Nondivisible Loads

Safety-based Bridge-overstress Criteria for Nondivisible Loads PDF Author: Gongkang Fu
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 52

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Book Description
Most states face increasing pressure to issue more permits for heavier overweight trucks, and currently use the AASHTO rating concept (with or without an overstress criterion) in checking these loads. That bridge-rating procedure, however, is intended to cover only normal traffic, and the basis for these overstress criteria involved is not well documented. This report discusses current New York State practice for checking overweight permits. A new permit-issuance procedure for checking overloads is then proposed for both annual and trip permits for nondivisible loads, based on principles of uniform bridge safety. This procedure may be included in bridge-evaluation specifications.