Especificaciones para juntas atornilladas

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Specification for Structural Joints Using ASTM A325 or A490 Bolts
June 30, 2004 Supersedes the June 23, 2000 Specification for Structural Joints Using ASTM A325 or A490 Bolts.

Prepared by RCSC Committee A.1—Specifications and approved by the Research Council on Structural Connections.

RESEARCH COUNCIL ON STRUCTURAL CONNECTIONS c/o American Institute of SteelConstruction, Inc. One East Wacker Drive, Suite 3100, Chicago, Illinois 60601-2001


Copyright © 2004 by Research Council on Structural Connections All rights reserved. This book or any part thereof must not be reproduced in any form without the written permission of the publisher. The information presented in this publication has been prepared in accordance with recognized engineering principles andis 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 engineer, architect or other design professional. The publication of the material contained herein is not intended as arepresentation or warranty on the part of the Research Council on Structural Connections 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 andcodes 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 Research Council on Structural Connections bears 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.

Printed in theUnited States of America

Specification for Structural Joints Using ASTM A325 or A490 Bolts, June 30, 2004 RESEARCH COUNCIL ON STRUCTURAL CONNECTIONS

iii PREFACE The purpose of the Research Council on Structural Connections (RCSC) is: (1) To stimulate and support such investigation as may be deemed necessary and valuable to determine the suitability, strength and behavior of various types ofstructural connections; (2) To promote the knowledge of economical and efficient practices relating to such structural connections; and, (3) To prepare and publish related standards and such other documents as necessary to achieving its purpose. The Council membership consists of qualified structural engineers from academic and research institutions, practicing design engineers, suppliers andmanufacturers of fastener components, fabricators, erectors and code-writing authorities. The first Specification approved by the Council, called the Specification for Assembly of Structural Joints Using High Tensile Steel Bolts, was published in January 1951. Since that time the Council has published fifteen successive editions. Each was developed through the deliberations and approval of the fullCouncil membership and based upon past successful usage, advances in the state of knowledge and changes in engineering design practice. This edition of the Council’s Specification for Structural Joints Using ASTM A325 or A490 Bolts continues the tradition of earlier editions. The major changes are: • • Sections 5.1, 5.2, and 5.3 were editorially revised to clarify strength requirements of slip criticalconnections. Section 6.2.1 was modified to permit the use of A490 type bolts, with round heads equal or larger in diameter than ASTM F1852 heads, without F436 hardened washers. Table 6.1, footnote d, was added to clarify use of non-hardened plate washer to be used in conjunction with an ASTM F436 hardened washer. Commentary Table C-2.1 bolt head and nut dimension locations F and W as shown in...
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