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Thursday, July 23, 2020 | History

2 edition of Guide specifications for fracture critical non-redundant steel bridge members found in the catalog.

Guide specifications for fracture critical non-redundant steel bridge members

American Association of State Highway and Transportation Officials.

Guide specifications for fracture critical non-redundant steel bridge members

by American Association of State Highway and Transportation Officials.

  • 17 Want to read
  • 25 Currently reading

Published by AASHTO in Washington .
Written in

    Subjects:
  • Bridges -- Design and construction.,
  • Fracture mechanics.,
  • Structural engineering.

  • Edition Notes

    Statementprepared jointly by the Technical Committee for Structural Steel Design and for Welding of the AASHTO Subcommittee on Bridges and Structures and the Federal Highway Administration and cooperatively with the AASHTO Subcommittee on Materials.
    ContributionsUnited States. Federal Highway Administration., American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures., American Association of State Highway and Transportation Officials. Subcommittee on Materials.
    The Physical Object
    Paginationiii, 35 p. :
    Number of Pages35
    ID Numbers
    Open LibraryOL17887432M

    Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members as Revised by Interim Specifications for Bridges , , , and This fracture control plan: assigns responsibility for specifying which, if any, steel bridge member or member component falls in the category of "fracture critical"; requires that. ture critical member to ensure that it receives appropriate priority when the bridge is inspected. An inspection plan is formulated for each bridge with fracture critical members that include equipment, inspection technique, and staffing. The potential for fatigue cracks is evaluated and locations identi­ fied.

    N/A AASHTO Guide Specifications for LRFD Seismic Design 7/12/ IS N/A AASHTO Guide Specifications for Design and Construction of Segmental Concrete Bridges 7/12/ IS N/A AASHTO Guide Specifications for Fracture Critical Non- Redundant Steel Bridge Members 7/12/ IS N/A AASHTO Guide Specifications for Horizontally Curved Steel. design) and ultimately issuance of the AASHTO Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members. Today, fracture-critical members require frequent hands-on inspection. There are 60 such elements on the Van Buren Bridge, including eye-bars similar to the member that failed causing the collapse of the Silver Bridge.

    The National Bridge Inventory (NBI) is a database, compiled by the Federal Highway Administration, with information on all bridges and tunnels in the United States that have roads passing above or below. This is similar to the grade crossing identifier number database compiled by the Federal Railroad Administration which identifies all railroad crossings.   Designers have long recognized the inherent structural efficiency and economy associated with non-redundant bridge systems. Presently, steel bridge structures with non-redundant tension members, labeled as fracture critical members (FCMs), are subjected to more stringent design, material, fabrication, and inspection requirements.


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Guide specifications for fracture critical non-redundant steel bridge members by American Association of State Highway and Transportation Officials. Download PDF EPUB FB2

Guide specifications for fracture critical non-redundant steel bridge members. Washington: AASHTO,© (OCoLC) Document Type: Book: All Authors / Contributors: American Association of State Highway and Transportation Officials.

Guide Specifications for Fracture Critical Non-redundant Steel Bridge Members: Author: American Association of State Highway and Transportation Officials: Contributors: United States. Federal Highway Administration, American Association of State Highway and Transportation Officials.

Get this from a library. Guide specifications for fracture critical non-redundant steel bridge members, as revised by interim specifications for bridges, and [American Association of State Highway and Transportation Officials.

Subcommittee on. GUIDE SPECIFICATIONS FOR FRACTURE CRITICAL NON-REDUNDANT STEEL BRIDGE MEMBERS. This fracture plan assigns responsiblity for specifying which, if any, steel bridge member or member components falls in the category of "fracture critical", and requires that such members or member components be fabricated by plants with personnel organization, experience, knowledge and.

A separate section is included as a commentary to these interim specifications and a section is also included which contains revisions to the Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members, and the Standard Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals, Fracture Critical Non-Redundant Bridge Members in Here are the initial additional requirements for what are defined as fracture critical members setting them apart from other bridge members.

The Guide Specifications primarily mandates more stringent CVN requirements, and fabrication and shop inspection practices. The Guide Specifications. the fracture critical category, the component must be in tension.

Further, a fracture critical member may be either a complete bridge member or it may be a part of a bridge member.” AREMA Manual for Railway Engineering, Chap Article b “Members or member. General. Fabricate the structural steel in a fabricating plant that is certified under the American Institute of Steel Construction (AISC) Quality Certification Program.

Fabricate “fracture-critical” elements in accordance with the AASHTO “Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members.”. steel bridge members especially when they are classified as fracture critical member (a steel tension member whose failure would probably cause collapse).

This module provides engineers with an explanation of redundancy and how it affects the design, fabrication, inspection, and management of steel girder bridges.

Key Words AASHTO, Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members, Washington, D.C.: American Association of State Highway and Transportation Officials, September, Google Scholar.

InAASHTO published the first edition of the Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members, becoming known as the “AASHTO Fracture-Control Plan.” This was the document that introduced the term “fracture critical” and implemented reduced fatigue stress range limits and improved fabrication quality.

AASHTO GUIDE SPECIFICATIONS FOR FRACTURE CRITICAL NON-REDUNDANT STEEL BRIDGE MEMBERS. Description This publication provides recommended requirements for identifying, fabricating, welding, and testing of a fracture critical, non-redundant steel bridge member whose failure can be expected to First released inthe original AASHTO Fracture Control Plan (FCP) was entitled AASHTO Guide Specification for Fracture Critical Non-Redundant Steel Bridge Members (1).

The intention of the FCP was to reduce the likelihood of brittle fracture through a process including design review, material toughness specifications, fabrication.

AASHTO (), Bridge Analysis and Rating System, BARS-PC, ReleaseModUsers Manuals I and II, American Association of State Highway and Transportation Officials, Washington, DC.

AASHTO (), Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members, American Association of State Highway and Transportation. AASHTO GUIDE SPECIFICATIONS FOR FRACTURE CRITICAL NON-REDUNDANT STEEL BRIDGE MEMBERS for the design of a horizontally-curved steel member. AASHTO GUIDE SPECIFICATIONS FOR BRIDGE RAILINGS Description This publication describes three bridge-railing Performance Levels and associated crash tests and.

member joint involved until the Contractor has proven to the Inspector, by mock-up procedures or otherwise, his ability to properly perform the required weld. Weld repairs on fracture critical m embers shall com ply with the AASHTO Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members.

SECTION 4 TECHNIQUE. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages. 48 AASHTO. Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members, 1st ed.

Washington, D.C., AASHTO. The Manual for Bridge Evaluation, 2nd ed. Washington, D.C., A. AASHTO. AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaries and Traffic Signals AASHTO Manual on Foundation Investigations AASHTO/AWS Bridge Welding Code AASHTO Guide Specifications for Horizontally Curved Highway Bridges AASHTO Guide Specifications for Fracture Critical Non-redundant Steel Bridge Members.

Fracture-critical members are treated in the AASHTO LRFD Specifications and in the AASHTO ‘‘Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members.’’ A fracture-critical member (FCM).

According to the “ Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members” (1), "fracture critical members or member components (FCMs) are tension members or tension components of members whose failure would be expected to result in collapse of the bridge." Bridges in this classification are non-redundant, meaning.

G. AASHTO, Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members, current Edition and all subsequent Interims H. AASHTO Bridge Rating and AASHTO Bridge Design Software, developed by Baker Corp, Moon Township, Pittsburgh.Guide Specifications fo r Strength Design of Truss Bridges, 3.

Standard Specifications for Seismic Design of Highway Bridges, 4. Guide Specifications for Fracture Critical Non-Redundant Steel Bridge Members, 5.

Guide Specifications — Thermal Effects in Concrete Bridge Superstructures, 6. Guide Specifications for Fatigue Design of Steel.AASHTO LRFD Bridge Design Specifications AASHTO Manual for Bridge Evaluation AASHTO Manual for Bridge Element Inspection FHWA Bridge Inspector's Reference Manual FHWA Hydraulic Engineering Circular No.

18 Code of Federal Regulations, 23 Highways PartSubpart C - National Bridge Inspection Standards.