Paper Title:
Study on Seismic Behavior of Vertical Connection in Prefabricated Reinforced Concrete Structures
  Abstract

The paper attempts to research the seismic behavior and mechanical mechanisms under repeated low-cycle loading of vertical connections in prefabricated reinforced concrete structures. Eighteen specimens were designed and tested, the test process and the mechanical mechanisms are studied, the seismic behavior of connections is analyzed, and the shear resistance formulas are proposed. The theoretical values based on proposed formulas are good agreement with test results. Under repeated loading, the shear resistance decreases, the connection ductility increases with connecting bar, but decreases with connection width. However, all the connections fail crisply with poor ductility. At sudden-cracking, the shear resistance increases with connecting bar, but changes nonlinearly with connection width. The resistance is composed of attributions of mechanism of diagonal-compressive column (MDCC) and mechanism of compressive friction action (MCFA). After sudden-cracking, the shear resistance is provided by weakened MDCC and dowel action of connecting bars (DACB). It increases with connecting bar and connection width.

  Info
Periodical
Advanced Materials Research (Volumes 250-253)
Edited by
Guangfan Li, Yong Huang and Chaohe Chen
Pages
1385-1394
DOI
10.4028/www.scientific.net/AMR.250-253.1385
Citation
G. H. Song, D. W. Wang, B. K. Liu, "Study on Seismic Behavior of Vertical Connection in Prefabricated Reinforced Concrete Structures", Advanced Materials Research, Vols. 250-253, pp. 1385-1394, 2011
Online since
May 2011
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Price
$32.00
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