AASHTO NSBA G4.1-2019 钢桥制造质量控制（QC）与质量保证（QA）指南 Steel Bridge Fabrication QC QA Guidelines

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Steel Bridge Fabrication

QC/QA Guidelines

American Association of State Highway

and Transportation Officials

National Steel Bridge Alliance

AASHTO/NSBA Steel Bridge Collaboration

G4.1-2019

PREFACE

This document is a standard developed by the AASHTO/NSBA Steel Bridge Collaboration. The primary

goal of the Collaboration is to achieve steel bridge design and construction of the highest quality and value through

standardization of the design, fabrication, and erection processes. Each standard represents the consensus of a

diverse group of professionals.

It is intended that Owners adopt and implement Collaboration standards in their entirety to facilitate the

achievement of standardization. It is understood, however, that local statutes or preferences may prevent full

adoption of the document. In such cases, Owners should adopt these documents with the exceptions they feel are

necessary.

Cover graphics courtesy of Atema Inc.and High Steel Structures, LLC.

DISCLAIMER

The information presented in this publication has been prepared in accordance with recognized

engineering principles and is for general information only. While it is believed to be accurate, this information

should not be used or relied upon for any specific application without competent professional examination and

verification of its accuracy, suitability, and applicability by a licensed professional engineer, designer, or

architect.

The publication of the material contained herein is not intended as a representation or warranty of the

part of the American Association of State Highway and Transportation Officials (AASHTO) or the National Steel

Bridge Alliance (NSBA) or of any other person named herein, that this information is suitable for any general or

particular use or of freedom from infringement of any patent or patents. Anyone making use of this information

assumes all liability arising from such use.

Caution must be exercised when relying upon other specifications and codes developed by other bodies

and incorporated by reference herein since such material may be modified or amended from time to time

subsequent to the printing of this edition. The authors and publishers bear no responsibility for such material other

than to refer to it and incorporate it by reference at the time of the initial publication of this edition.

AASHTO Document No: NSBASBFQC-2 ISBN: 978-1-56051-740-5

AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS

444 North Capitol Street, N.W. Suite 249

Washington, D.C. 20001

EXECUTIVE COMMITTEE

2019–2020

OFFICERS:

PRESIDENT: Patrick McKenna, Missouri*

VICE PRESIDENT: Victoria Sheehan, New Hampshire*

SECRETARY-TREASURER: Scott Bennett, Arkansas

EXECUTIVE DIRECTOR: Jim Tymon, Washington, D. C.

REGIONAL REPRESENTATIVES:

REGION I: Vacant

Diane Gutierrez-Scaccetti, New Jersey

REGION II: Melinda McGrath, Mississippi

Russell McMurry, Georgia

REGION III: Mark Lowe, Iowa

Craig Thompson, Wisconsin

REGION IV: Kyle Schneweis, Nebraska

James Bass, Texas

IMMEDIATE PAST PRESIDENT: Carlos Braceras, Utah

*Elected at the 2019 Annual Meeting in St. Louis, Missouri

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标签： #钢 #质量控制 #制造

摘要：

AASHTO NSBA G4.1-2019 是钢桥制造领域中关于质量控制（QC）与质量保证（QA）的核心标准指南，旨在为钢桥制造过程提供系统化的质量管理框架。该指南融合了美国国家公路与运输协会（AASHTO）与国家钢桥联盟（NSBA）的行业最佳实践，涵盖从材料验收、焊接工艺评定到最终产品检验的全流程要求。文档详细规定了制造商在焊接、装配、无损检测及文件记录等方面的管控标准，同时明确了QA监督方与QC执行方的职责划分，以确保钢桥结构的安全性、耐久性和性能一致性。对于工程承包商、检测机构及桥梁设计师

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AASHTO NSBA G4.1-2019 钢桥制造质量控制（QC）与质量保证（QA）指南 Steel Bridge Fabrication QC QA Guidelines

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