ACI 341.2R 14:2014 Edition

$48.48

341.2R-14 Analysis and Design of Seismic-Resistant Concrete Bridge Systems

Published By	Publication Date	Number of Pages
ACI	2014	48

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Category: ACI

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Description

This report is intended for use by practicing engineers and provides a summary of the state-of-the-art analysis, modeling, and design of concrete bridges subjected to strong earthquakes. It is intended to supplement and complement existing documents from the American Association of State Highway and Transportation Officials (AASHTO), California Department of Transportation (Caltrans), and various building codes and guidelines. Procedures and philosophies of codes and guidelines are summarized. Linear and nonlinear seismic analysis methods are also discussed, and important modeling considerations for different bridge elements, including curved girders and skewed abutments, are highlighted. The report also includes a summary of general seismic-resistant design and construction considerations for concrete bridges, as well as analysis and design considerations for bridges with seismic isolation. Keywords: abutment; bridge; column; connections; design; earthquake; footing; girder; hinge; restrainer; seismic; seismic analysis; seismic isolation.

PDF Catalog

PDF Pages	PDF Title
3	CONTENTS
4	CHAPTER 1— INTRODUCTION 1.1—General
5	1.2—Lessons learned from earthquake damage to bridges
8	CHAPTER 2— NOTATION AND DEFINITIONS 2.1—Notation 2.2—Definitions
9	CHAPTER 3— CODES 3.1—Historical perspective CHAPTER 4— SEISMIC HAZARDS 4.1—Introduction
10	4.2—Probabilistic seismic hazard analysis
11	4.3—Multi-level earthquake ground motions 4.4—USGS probabilistic ground motion maps and design value maps
12	4.5—Vertical accelerations 4.6—Near-fault ground motions and residual ground displacements near faults
13	4.7—Load combinations 4.8—Combining effects of orthogonal components of earthquakes 4.9—Ground motion time histories
14	4.10—Geotechnical considerations CHAPTER 5— ANALYSIS 5.1—Overview
15	5.2—Single-mode spectral analysis 5.3—Pushover analysis
16	5.4—Multi-mode spectral analysis 5.5—Time-history analysis 5.6—Nonlinear analysis
22	CHAPTER 6— MODELING 6.1—General
24	6.2—Superstructure modeling
25	6.3—Substructure modeling 6.4—Abutment and foundation modeling
29	6.5—Bearings CHAPTER 7— DESIGN 7.1—General 7.2—Multi-level seismic design
30	7.3—AASHTO force-based design methods
31	7.4—Displacement-based design methods
32	7.5—Seismic conceptual design
33	7.6—Design considerations
37	7.7—Seismically isolated bridges
41	7.8—Construction CHAPTER 8— REFERENCES Authored references