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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 23 Abstracts search results
Document:
SP157-02
Date:
October 1, 1995
Author(s):
H. Aoyama
Publication:
Symposium Papers
Volume:
157
Abstract:
Summarized in this paper are the background state of the art in reinforced concrete beam-column joint design leading to the U. S.-N. Z.-Japan trilateral cooperative research, outline of the trilateral research, and its conclusions affecting the design practice in each country. Particular emphasis is placed on the transition of structural engineering research from empirical approach to rational approach which became apparent in the course of trilateral research and discussion.
DOI:
10.14359/979
SP157-03
J. O. Jirsa
Problems associated with design of beam-column joints for shear have been studied extensively in many countries. Work in New Zealand on the performance of joints in reinforced concrete moment resisting frames in seismic zones served to alert designers all over the world to consider these problems. Fundamental studies conducted by Paulay and his colleagues and students contributed immeasurably to our understanding of the behavior of joints. However, the approaches used in design codes have not always been the same as those used in New Zealand. The reasons for these differences have much to do with design philosophies, research objectives, and code development procedures. Shear problems at locations other than joints and in elements where rehabilitation (repair and strengthening) is needed to improve performance of structures under earthquake generated deformations still lack definition sufficient for developing code provisions.
10.14359/980
SP157
Editors: Nigel Priestly, Michael P. Collins, and Frieder Seible
A total of 21 technical papers comprise this Special Publication which covers recent developments in lateral force transfer in buildings. Note: The individual papers are also available as .pdf downloads.. Please click on the following link to view the papers available, or call 248.848.3800 to order. SP157
10.14359/14197
SP157-05
O. Joh, Y. Goto, and T. Shibata
Based on the authors' previous tests, failure modes of beam bar anchorage with 90-degree bend used in reinforced concrete beam-column joints were classified into three types: a side split failure, a local compression failure, and a raking-out failure. To clarify the raking-out failure, the least understood of the modes, column type specimens with beam bars with 90-degree bend in the beam-column joints were tested under pullout loading at the bars. The specimen variables were development length, column depth, lateral reinforcement ratio, spacing between beam bars, and concrete compressive strength. From the test results, influence factors on the raking-out failure mode were discussed and an equation evaluating anchorage strength proposed.
10.14359/981
SP157-10
A. J. O'Leary
Describes design and construction aspects of precast concrete moment resisting frames for the lateral load resistance of multistory buildings. Discussion will concentrate on the particular aspects of the framing system of a 13-story building constructed in Wellington, New Zealand. The building is octagonal in plan with a perimeter lateral load-resisting frame consisting of two-story high precast reinforced concrete elements. Each element includes a column plus two levels of beam stubs. In-situ concrete midspan beam splices and grouted steel sleeve column reinforcing bar splices form the joints between individual units. The paper also briefly presents other similar precast systems used for multistory buildings. A review of laboratory testing recently completed is given which confirms the good structural performance of the framing systems described.
10.14359/1016
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