This SEAOC Blue Book: Seismic Design Recommendations is the premier publication of the SEAOC Seismology Committee. The name Blue Book is renowned worldwide among engineers, researchers, and building officials. Since 1959, the SEAOC Blue Book, previously titled Recommended Lateral Force Requirements and Commentary, has been a prescient publication of earthquake engineering. The Blue Book has been at the vanguard of earthquake engineering in California and around the world.
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Typology Definition and Fragility Functions for Physical Elements at Seismic Risk
Author: K. Pitilakis, Helen Crowley, Amir Kaynia | Size: 10 MB | Format:PDF | Quality:Unspecified | Publisher: Springer | Year: 2014 | pages: 420 | ISBN: 9789400778719, 9789400778726, 9400778716
Fragility functions constitute an emerging tool for the probabilistic seismic risk assessment of buildings, infrastructures and lifeline systems. The work presented in this book is a partial product of a European Union funded research project SYNER-G (FP7 Theme 6: Environment) where existing knowledge has been reviewed in order to extract the most appropriate fragility functions for the vulnerability analysis and loss estimation of the majority of structures and civil works exposed to earthquake hazard. Results of other relevant European projects and international initiatives are also incorporated in the book. In several cases new fragility and vulnerability functions have been developed in order to better represent the specific characteristics of European elements at risk. Several European and non-European institutes and Universities collaborated efficiently to capitalize upon existing knowledge. State-of-the-art methods are described, existing fragility curves are reviewed and, where necessary, new ones are proposed for buildings, lifelines, transportation infrastructures as well as for utilities and critical facilities. Taxonomy and typology definitions are synthesized and the treatment of related uncertainties is discussed.
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Posted by: rilxous - 07-30-2014, 03:22 AM - Forum: Archive
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# Full title: A simplified method of estimating construction pore pressures in earth dams
# Author(s): Narita, K.; Okumura, T.; Murata, N.; Ohne, Y
# Publisher: Soils and Foundations, Japanese Society of Soil Mechanics and Foundation
Engineering, vol. 23, no. 4, pp. 43-55 (1983)
# Language: English
# ISBN-10: e.g. 1234567890
# ISBN-13: e.g. 1234567890123
Article/eBook Full Name: Effective Length and Notional Load Approaches for Assessing Frame Stability
Author(s): Structural Engineering Institute
Publish Date: (June 1997)
ISBN: 0784402302
Published By: Amer Society of Civil Engineers
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The book provides a rigorous axiomatic approach to continuum mechanics under large deformation. In addition to the classical nonlinear continuum mechanics – kinematics, fundamental laws, the theory of functions having jump discontinuities across singular surfaces, etc. - the book presents the theory of co-rotational derivatives, dynamic deformation compatibility equations, and the principles of material indifference and symmetry, all in systematized form. The focus of the book is a new approach to the formulation of the constitutive equations for elastic and inelastic continua under large deformation. This new approach is based on using energetic and quasi-energetic couples of stress and deformation tensors. This approach leads to a unified treatment of large, anisotropic elastic, viscoelastic, and plastic deformations. The author analyses classical problems, including some involving nonlinear wave propagation, using different models for continua under large deformation, and shows how different models lead to different results. The analysis is accompanied by experimental data and detailed numerical results for rubber, the ground, alloys, etc. The book will be an invaluable text for graduate students and researchers in solid mechanics, mechanical engineering, applied mathematics, physics and crystallography, as also for scientists developing advanced materials.
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book explains theories and tools to represent uncertainty using both data and expert judgment. It teaches the reader how to make design or business decisions when there is limited information with these tools. Readers will learn a structured, risk-based approach, which is based on common sense principles, for design and business decisions. These decisions are consistent with the decision-maker’s risk attitude.
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This report contains information and recommendations concerning the selection and use of natural pozzolans generally conforming to the requirements of ASTM C618- 08. Topics covered include the effect of natural pozzolans on concrete properties, a discussion of quality control and quality assurance practices, and guidance regarding handling and use of natural pozzolans in specific applications.
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This guide summarizes current practices for obtaining cores and interpreting core compressive strength test results in light of past and current research findings. Many of these findings are based on older references as the research has reached a mature state. Parallel procedures are presented for cases where cores are obtained to assess whether concrete strength in a new structure complies with strength-based acceptance criteria, and to determine a value based on the actual in-place concrete strength equivalent to the specified compressive strength fc′. The latter can be directly substituted into conventional strength equations with customary strength reduction factors for strength evaluation of an existing structure. It is inappropriate to use procedures for determining the equivalent specified concrete strength to assess whether concrete strength in a new structure complies with strength-based acceptance criteria.
The order of contents parallels the logical sequence of activities in a typical core-test investigation. Chapter 3 describes how bleeding, consolidation, curing, and microcracking affect in-place concrete strength in structures so the investigator can account for this strength variation when planning the testing program. Chapter 4 identifies preferred sample locations and provides guidance on the number of specimens that should be obtained. Chapter 5 summarizes coring techniques that should result in undamaged, representative test specimens. Chapter 6 describes procedures for testing cores and detecting "outliers" by inspection of loadmachine displacement curves or using statistical tests from ASTM E178. Chapter 7 summarizes the subsequent analysis of strength test data including use of ASTM C42/42M precision statements that quantify expected variability of properly conducted tests for a sample of homogeneous material, research findings concerning accuracy of empirically derived core strength correction factors, and statistical analysis techniques that can determine if the data can be grouped into unique categories. Chapter 8 briefly elaborates on criteria presented in ACI 318 for using core test results to investigate low-strength cylinder test results in new construction.
Chapter 9 presents two methods for estimating the lower tenth-percentile value of in-place concrete strength using core test data to quantify in-place strength. This value is equivalent to the specified compressive strength fc′ and can be directly substituted into conventional strength equations with customary strength reduction factors for strength evaluation of an existing structure.
Example calculations are presented in an appendix for:
• Outlier identification in accordance with ASTM E178 criteria;
• Determining whether a difference in mean strengths of cores from beams and columns is statistically significant; and
• Computing the equivalent specified strength using the two approaches presented in Chapter 9.
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