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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Showing 1-5 of 15 Abstracts search results
Document:
SP127-13
Date:
October 1, 1991
Author(s):
Mark Fintel and S. K. Ghosh
Publication:
Symposium Papers
Volume:
127
Abstract:
An alternative to the empirical code approach for earthquake-resistant design of building structures is proposed. The suggested procedure uses carefully selected earthquake accelerograms as loading and dynamic inelastic response history analysis to determine member forces and deformations. A number of analyses make it possible to design into the structural elements a desirable balance between flexural strength, shear capacity, and ductility. The amount of allowable ductility in a yielding member depends on selected serviceability criteria and on the deformational capacity of the member. The design approach makes it possible to predetermine the sequence in which inelasticity spreads to various designated structural members. A structure needs to be provided with special ductility details only in the predetermined hinging regions.
DOI:
10.14359/3028
SP127-03
Jack P. Moehle and Stephen A. Mahin
Observations on the performance of reinforced concrete structures during past earthquakes are summarized and discussed. The review covers observations related to the structural concept, proportioning, and detailing. The review draws from experiences gained during numerous earthquakes, and includes observations of acceptable building performances as well as unacceptable ones. The repeated occurrence of many classes of damage and failure suggests lessons that should be learned.
10.14359/3007
SP127-07
Arnaldo T. Derecho and Arthur A. Huckelbridge
A brief discussion of soil-structure interaction, particularly in terms of its effects on structures subjected to earthquakes, is presented. Factors influencing the degree to which soil-structure interaction modifies the response of structures, when compared to the response of rigid-based structures, are listed. The distinction between inertial and kinematic components of soil-structure interaction is made and the generally beneficial effects of interaction on earthquake structural response is noted. Soil-structures interaction effects are most pronounced in rigid, massive structures founded on compliant soils. Brief mention is made of the uncertainties surrounding the determination of interaction effects on structural response, especially those associated with the effects of nonlinear soil behavior.
10.14359/3016
SP127-14
James Robert Harris and Gene R. Stevens
Current building standards contain complex sets of rules for detailing reinforced concrete structures to resist earthquakes. The rules are intended to deliver reliable post-elastic energy dissipation. This is necessary because structures are designed to yield at levels of motion that are only a fraction of the real motions in a strong earthquake. The detailing rules are intended to prevent brittle modes of failure, such as shear and unconfined compression of concrete, while encouraging widespread flexural yielding. The rules also take into account two other distinctive characteristics of earthquake loading reversal of direction and repetitive cycles. This paper attempts to set forth the rationale for these detailing rules that will allow the designer to see the overall design philosophy and to relate a particular design to the intended performance.
10.14359/3029
SP127-08
Finley A. Charney
Inelastic static and dynamic analysis of reinforced concrete structures is demonstrated with a specific example taken from the U.S.-Japan Cooperative Program on Earthquake Engineering. The analytical process is explained from a hierarchical perspective, starting with material constitutive relationships, progressing to cross-sectional and element modeling, and culminating with the assembly of the complete system. The computed static and dynamic inelastic response of the mathematical model is than compared to the behavior observed during shaking table tests of the 1/5-scale laboratory model. The paper concludes with a detailed discussion of the degree of correlation obtained, and suggestions for future coordinated analytical-experimental research.
10.14359/3018
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