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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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.
Title: Impact Loading of a Reinforced Concrete Beam-to-Column Joint
Author(s): Alan J. Watson
and John E. lnkester
Publication: Special Publication
Appears on pages(s): 143-164
Keywords: energy models; beams thods; (supports); columns (supports) ; impact strength; impact tests; joints; static loads; strains. (junctions);
Abstract:The paper describes the behavior of a 1/8th scale model reinforced concrete beam to column joint under an impact load applied to the beam. The load is produced by a 1.68kg steel rod fired from an air gun with an impact velocity of either 8.9 m/s or 13.4 m/s. The column reactions were measured by foil electrical resistance strain gauges on 3 load cells. Similar strain gages gave the incident and reflected stress pulse from which the impact load on the beam has been obtained. The deflections of the beam during the impact were recorded using moving coil linear displacement transducers. The measured behaviour of the joint under impact load has been compared with that of identical specimens under static load and with calculated values.
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