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Seismic Design Using Structural Dynamics Based on 2015 IBC / ASCE 7-10 / ACI 318-14

Item #: 9183S16

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Overview

The 2015 edition of the International Building Code (IBC) require the use of a dynamic analysis procedure for the seismic design of a building under certain conditions of irregularity, occupancy, and height. However, dynamic analysis procedures are more complicated than the more traditional static procedure, and over the years, many questions have been asked about code provisions concerning this. This publication has been created to answer these questions and demystify the application of the code.

This publication addresses the two methods by which a designer may comply with the seismic design requirements of ASCE 7-10, which is adopted by the 2015 IBC: Equivalent Lateral Force Procedure (ASCE 7-10 Section 12.8) and Dynamic Analysis Procedure (ASCE 7-10 Section 12.9 and Chapter 16). Although ASCE 7-10 formally recognizes two dynamic analysis procedures: modal response spectrum analysis and time-history analysis, the modal response spectrum analysis is by far the more common in design office usage and is the primary subject of this publication. The background and details are explained in Chapter 1 of this publication where a step-by-step analysis procedure is given, and a three-story, one-bay frame example is solved entirely manually to illustrate application of the procedure.

Chapter 2 of this publication is devoted exclusively to the detailed design of a 20-story reinforced concrete building that utilizes a dual system consisting of special shear walls and special moment frames for earthquake resistance. Modal response spectrum analysis is used as the basis of design. Design utilizing the Equivalent Lateral Force Procedure is also illustrated as a prerequisite to design using the Dynamic Analysis Procedure. A key feature of this example that would be of particular interest to users is the design of reinforced concrete shear walls by the procedure in the 2014 edition of ACI 318 Building Code Requirements for Structural Concrete.

Details
ISBN:
978-1-936039-32-6
Publisher:
S.K. G & Associates

The 2015 edition of the International Building Code (IBC) require the use of a dynamic analysis procedure for the seismic design of a building under certain conditions of irregularity, occupancy, and height. However, dynamic analysis procedures are more complicated than the more traditional static procedure, and over the years, many questions have been asked about code provisions concerning this. This publication has been created to answer these questions and demystify the application of the code.

This publication addresses the two methods by which a designer may comply with the seismic design requirements of ASCE 7-10, which is adopted by the 2015 IBC: Equivalent Lateral Force Procedure (ASCE 7-10 Section 12.8) and Dynamic Analysis Procedure (ASCE 7-10 Section 12.9 and Chapter 16). Although ASCE 7-10 formally recognizes two dynamic analysis procedures: modal response spectrum analysis and time-history analysis, the modal response spectrum analysis is by far the more common in design office usage and is the primary subject of this publication. The background and details are explained in Chapter 1 of this publication where a step-by-step analysis procedure is given, and a three-story, one-bay frame example is solved entirely manually to illustrate application of the procedure.

Chapter 2 of this publication is devoted exclusively to the detailed design of a 20-story reinforced concrete building that utilizes a dual system consisting of special shear walls and special moment frames for earthquake resistance. Modal response spectrum analysis is used as the basis of design. Design utilizing the Equivalent Lateral Force Procedure is also illustrated as a prerequisite to design using the Dynamic Analysis Procedure. A key feature of this example that would be of particular interest to users is the design of reinforced concrete shear walls by the procedure in the 2014 edition of ACI 318 Building Code Requirements for Structural Concrete.