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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 25 Abstracts search results
Document:
SP63-09
Date:
August 1, 1980
Author(s):
A. E. Long and D. W. Kirk
Publication:
Symposium Papers
Volume:
63
Abstract:
The results of lateral load tests on one third scale slab-column structures with realistic boundary conditions are presented. Measured moments at both internal and edge columns are compared with predictions based on methods in codes and other analytical procedures including finite elements. For all methods of prediction the lateral stiffness of the frameworks is overestimated and in some cases to a substantial extent. The lateral stiffness was also found to be influenced by cracking due to gravity loading.
DOI:
10.14359/6652
SP63-11
R. G. Oesterle, A. E. Fiorato, J. D. Aristizabal-Ochoa, and W. G. Corley
Results of an experimental investigation to determine inelastic load-deformation character istics of reinforced concrete structural walls are reported. Sixteen large structural walls have been tested. These tests show that structural walls possess signif icant rotational ductility when subjected to reversing loads. In addition, it was found that shear distortions within the hinging region of a wall are coupled to flexural rotations. Therefore, inelastic shear distortions should be considered in structures designed to utilize the inelastic capacity of struc-tural walls for earthquake resistant construction.
10.14359/6654
SP63-14
A. T. Derecho, M. Iqbal, M. Fintel, and W. G. Corley
In developing a design procedure for earthquake-resistant structures, information on demand as well as capacity has to be obtained. Data on demand are most conveniently obtained through dynamic inelastic analysis. Capacity values are generally deter-mined by tests of large-size specimens subjected to slowly reversed loads. In correlating demand with capacity, an important consideration is the degree to which the laboratory loading represents earthquake response conditions. A valid correlation is possible only if it can be shown, among other considerations, that the loading program used in tests is comparable to, or more severe than, conditions that can be expected under earthquake excitation. This paper presents the results of an investigation to determine appropriate loading programs for use in quasi-static tests to simulate response to earthquakes. The study is part of a combined analytical and experimental project to develop design procedures for earthquake-resistant structural walls and wall systems. In the first phase of the project, the structure considered is an isolated wall. Frame-wall systems are considered in later phases of the project.
10.14359/6657
SP63-07
H. Sucuoglu and A. E. Aktan
An analytical procedure to generate reinforced concrete plane frame response to reversing static loading is developed. Yield is permitted to occur and spread to crossections which are not predetermined. Response of a 3 story 2 bay frame under reversed lateral load is investigated with particular reference to locations that yield, propagation of yield, beam and column behavior and collapse. To permit the structure prescribe its locations of inelasticity rather than predetermining these regions was observed to be a significant aspect in mathematical modelling.
10.14359/6650
SP63-20
J. Schwaighofer and W. N. Ho
The equivalent frame method is employed in the elasto-plastic analysis of a perforated core structure which is subjected to uniformly distributed torque over the height of the core. In a step by step approach the sequence of crack formation, and the onset of yielding of the tension steel in the coupling elements and the shear walls is given.
10.14359/6663
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