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Accession Number:
ADA114375
Title:
Reinforced Concrete Beams under Combined Axial and Lateral Loading.
Descriptive Note:
Final rept.,
Corporate Author:
NEW MEXICO ENGINEERING RESEARCH INST ALBUQUERQUE
Report Date:
1982-01-01
Pagination or Media Count:
232.0
Abstract:
Nine hinge-supported reinforced concrete beams were tested under displacement control with a proportional axial and symmetrical two-point lateral loading system. The nine beams were divided into three test series of three beams each. The beams in Series 1 contained shear reinforcement and were loaded monotonically to failure. Those in Series 2 contained no shear reinforcement and were loaded similarly to the first series. The Series 3 beams were shear reinforced and were loaded to failure under cyclic loading. Each beam had a 3.82-m span, a 229- by 381-mm cross section, and an effective depth of 317 mm. Reinforcement consisted of three No. 6 bars in tension and two No. 2 bars in compression. Shear reinforcement consisted of No. 2 stirrups at a spacing of 152 mm. Measurements consisted of steel and concrete strain, axial and lateral loads, pressure, displacement, and rotation. The Series 1 and 3 beams failed in flexural tension, and the Series 2 beams failed in shear compression. Also reported are the results of two companion plain concrete testing programs 1 multiaxial testing of cubes, and 2 displacement-controlled cylinder tests. Author
Distribution Statement:
APPROVED FOR PUBLIC RELEASE
