1、ASCE STANDARD ASCE/SEI 41-17 Seismic Evaluation and Retrofit of Existing BuildingsASCE STANDARD ASCE/SEI 41-17 Seismic Evaluation and Retro tof Existing Buildings PUBLISHED BY THE AMERICAN SOCIETY OF CIVIL ENGINEERSLibrary of Congress Cataloging-in-Publication Data Names: American Society of Civil E
2、ngineers. Title:ASCEstandard,ASCE/SEI,41-17,seismicevaluationandretro tofexistingbuildings. Other titles: Seismic evaluation and retro t of existing buildings Description: Reston, Virginia : American Society of Civil Engineers, 2017. | Includes bibliographical references and index. Identi ers: LCCN
3、2017047777 | ISBN 9780784414859 (soft cover : alk. paper) | ISBN 9780784480816 (PDF) Subjects: LCSH: Earthquake resistant designStandards. | BuildingsEarthquake effects. Classi cation: LCC TH1095 .A527 2017 | DDC 693.8/52021873dc23 LC record available at https:/lccn.loc.gov/2017047777 Published by A
4、merican Society of Civil Engineers 1801 Alexander Bell Drive Reston, Virginia, 20191-4382 www.asce.org/bookstore | ascelibrary.org This standard was developed by a consensus standards development process that has been accredited by the American National Standards Institute (ANSI). Accreditation by A
5、NSI, a voluntary accreditation body representing public and private sector standards development organizations in the United States and abroad, signi es that the standards development processusedbyASCEhasmettheANSIrequirementsforopenness,balance,consensus,and due process. While ASCEs process is desi
6、gned to promote standards that re ect a fair and reasoned consensus among all interested participants, while preserving the public health, safety, and welfare that is paramount to its mission, it has not made an independent assessment of and does not warrant the accuracy, completeness, suitability,
7、or utility of any information, apparatus, product, or process discussed herein. ASCE does not intend, nor should anyone interpret, ASCEs standards to replace the sound judgment of a competent professional, having knowledge and experience in the appropriate eld(s) of practice, nor to substitute for t
8、he standard of care required of such professionals in interpreting and applying the contents of this standard. ASCE has no authority to enforce compliance with its standards and does not undertake to certifyproductsforcomplianceortorenderanyprofessionalservicestoanypersonorentity. ASCEdisclaimsanyan
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12、8-0-7844-1485-9 (soft cover) ISBN 978-0-7844-8081-6 (PDF) Manufactured in the United States of America. 24 23 22 21 20 19 18 17 1 2 3 4 5ASCE STANDARDS In 2014, the Board of Direction approved revisions to the ASCE Rules for Standards Committees to govern the writing and maintenance of standards dev
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14、d by the same process every ve to ten years. Requests for formal interpretations shall be processed in accordance with Section 7 of ASCE Rules for Standards Committees which are available at www.asce.org. Errata, addenda, supplements, and interpretations, if any, for this standard can also be found
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17、he ASCE Library (http:/ascelibrary.org/page/books/s-standards). Seismic Evaluation and Retro t of Existing Buildings iiiCONTENTS ASCE STANDARDS iii TIPS FOR USING THIS STANDARD . iv FOREWORD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18、. . . xxxix ACKNOWLEDGMENTS. xli UNIT CONVERSIONS xlv 1 GENERAL REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Scope. 1 1.2 De nitions and Notations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2
19、.1 De nitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2.2 Notations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.2.2.1 Upper Case Notations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20、 . 7 1.2.2.2 Lower-case Notations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.2.2.3 Greek Notations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1.3 Evaluation and Retro t Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21、 . . . 19 1.4 Seismic Evaluation Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1.4.1 Selection of Performance Objective. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1.4.2 Level of Seismicity . . . . . . . . . . . . . . . . . . . . . .
22、 . . . . . . . . . . . . . . . . . 19 1.4.3 As-Built Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1.4.4 Evaluation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1.4.5 Evaluation Report . . . . . . . . . . . .
23、. . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1.5 Seismic Retro t Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.1 Initial Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.2 Selection
24、 of Performance Objective. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.3 Level of Seismicity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.4 As-Built Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25、 20 1.5.5 Retro t Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.6 Retro t Strategies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.7 Retro t Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26、. . . . . . . . . . . 20 1.5.8 Veri cation of Retro t Design. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.9 Construction Documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.10 Construction Quality Assurance. . . . . . . . . . . . . .
27、 . . . . . . . . . . . . . . . . . . . 20 1.5.10.1 Construction Quality Assurance Plan . . . . . . . . . . . . . . . . . . . . . . . 20 1.5.10.2 Construction Quality Assurance Requirements . . . . . . . . . . . . . . . . . . 20 1.5.10.3 Responsibilities of the Authority Having Jurisdiction. . . . .
28、. . . . . . . . . . 21 2 PERFORMANCE OBJECTIVES AND SEISMIC HAZARDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.1 Scope. 23 2.2 Performance Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.2.1 Basic Performance Objective for Exis
29、ting Buildings (BPOE) . . . . . . . . . . . . . . . . . 23 2.2.2 Enhanced Performance Objectives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.2.3 Limited Performance Objectives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.2.4 Basic Performance Objectiv
30、e Equivalent to New Building Standards (BPON) . . . . . . . . 23 2.2.5 Partial Retro t 23 2.2.6 System-Speci c Performance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.3 Target Building Performance Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31、. . 23 2.3.1 Structural Performance Levels and Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Seismic Evaluation and Retro t of Existing Buildings v2.3.1.1 Immediate Occupancy Structural Performance Level (S-1). . . . . . . . . . . . 24 2.3.1.2 Enhanced Safety Structural Performance
32、 Range . . . . . . . . . . . . . . . . . 24 2.3.1.3 Life Safety Structural Performance Level (S-3). . . . . . . . . . . . . . . . . . 24 2.3.1.4 Reduced Safety Structural Performance Range (S-4) . . . . . . . . . . . . . . . 24 2.3.1.5 Collapse Prevention Structural Performance Level (S-5) . . . . .
33、 . . . . . . . . 25 2.3.1.6 Structural Performance Not Considered (S-6). . . . . . . . . . . . . . . . . . . 25 2.3.2 Nonstructural Performance Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2.3.2.1 Operational Nonstructural Performance Level (N-A) . . . . . . . . . . . . .
34、 . . 25 2.3.2.2 Position Retention Nonstructural Performance Level(N-B). . . . . . . . . . . . 25 2.3.2.3 Life Safety Nonstructural Performance Level (N-C) . . . . . . . . . . . . . . . 25 2.3.2.4 Hazards Reduced Nonstructural Performance Level (N-D). . . . . . . . . . . . 25 2.3.2.5 Nonstructural P
35、erformance Not Considered (N-E) . . . . . . . . . . . . . . . . 25 2.3.3 Designation of Target Building Performance Levels . . . . . . . . . . . . . . . . . . . . . . 25 2.3.3.1 Operational Building Performance Level (1-A). . . . . . . . . . . . . . . . . . 25 2.3.3.2 Immediate Occupancy Building Pe
36、rformance Level (1-B) . . . . . . . . . . . . 25 2.3.3.3 Life Safety Building Performance Level (3-C) . . . . . . . . . . . . . . . . . . 26 2.3.3.4 Collapse Prevention Building Performance Level (5-D) . . . . . . . . . . . . . 26 2.4 Seismic Hazard. . . . . . . . . . . . . . . . . . . . . . . . . .
37、 . . . . . . . . . . . . . . . . . . . . . . 26 2.4.1 General Procedure for Hazard Caused by Ground Shaking . . . . . . . . . . . . . . . . . . 26 2.4.1.1 BSE-2N Spectral Response Acceleration Parameters . . . . . . . . . . . . . . . 26 2.4.1.2 BSE-1N Spectral Response Acceleration Parameters . . .
38、. . . . . . . . . . . . 26 2.4.1.3 BSE-2E Spectral Response Acceleration Parameters . . . . . . . . . . . . . . . 26 2.4.1.4 BSE-1E Spectral Response Acceleration Parameters . . . . . . . . . . . . . . . 26 2.4.1.5 Response Acceleration Parameters for Other Probabilities of Exceedance. . . . 26 2.4.
39、1.6 Adjustment for Site Class . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2.4.1.7 General Response Spectrum . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2.4.2 Site-Speci c Procedure for Hazards Caused by Ground Shaking . . . . . . . . . . . . . . . 27 2.4.2.1 Site-Spec
40、i c Response Spectra . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2.4.3 Ground Motion Acceleration Histories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2.5 Level of Seismicity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3
41、EVALUATION AND RETROFIT REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.1 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.2 As-Built Information. . . . . . . . . . . . . . . . . . . . . . . . . .
42、. . . . . . . . . . . . . . . . . . . 29 3.2.1 Building Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.2.2 Building Con guration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.2.3 Component Properties . . . . . . . . . .
43、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.2.4 Site and Foundation Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.2.5 Adjacent Buildings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.2.5.1 Building Pounding .
44、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.2.5.2 Shared Element Condition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.2.5.3 Hazards from Adjacent Buildings . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.3 Benchmark Buildings . . . . . . . . . . . .
45、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.3.1 Existing Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.3.2 Field Veri cation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.3.3 Condition As
46、sessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.3.4 Geologic Site Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3.4 Evaluation and Retro t Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
47、 . . . 34 3.4.1 Limitations on the Use of Tier 1 and Tier 2 Evaluation and Retro t Procedures . . . . . . . 36 3.4.1.1 Buildings Conforming to One of the Common Building Types . . . . . . . . . 36 3.4.1.2 Buildings Composed of More than One of the Common Building Types. . . . 38 3.4.2 Tier 1 Screeni
48、ng Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.4.3 Tier 2 De ciency-Based Evaluation and Retro t Procedures. . . . . . . . . . . . . . . . . . 38 3.4.3.1 Evaluation Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.4.3.2 Retro t Req
49、uirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.4.4 Tier 3 Systematic Evaluation and Retro t Procedures . . . . . . . . . . . . . . . . . . . . . 38 3.4.4.1 Evaluation Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 3.4.4.2 Retro t Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 4. TIER 1 SCREENING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 4.1 Scope. . . . . . . . . . . . . . . . . . . . . . .
