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Energy absorption capacity of reinforced concrete beam-column connection with ductility classes low

Adnan, Azlan and Osman, Mohd. Hanim and Mohd. Sam, Abdul Rahman (2014) Energy absorption capacity of reinforced concrete beam-column connection with ductility classes low. American Journal Of Civil Engineering And Architecture, 2 (1). pp. 42-52. ISSN 2328-398X

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Official URL: https://www.researchgate.net/publication/274542290...

Abstract

Once the behaviour of reinforced concrete moment resisting frame structures is investigated, it is concluded that the performance of beam column connections is not satisfactory. In order to understand the complex mechanisms and satisfactory behaviour of beam column connections, lots of investigations have been done. The most critical zone in reinforced concrete moment resisting frames would be the beam column connection. The behaviour of beam column connection once it is subjected to large forces during earthquakes has a great impact on the response of the structure. The shear failure has a brittle nature which is not a desirable structural performance during earthquakes. Two new types of shear reinforcements design are introduced in this study for the purpose of reaching a higher performance and material capacity for the connection and hence, the structure. These two shear reinforcement designs working simultaneously with other reinforcement systems and concrete have a better performance compared to that of conventional methods. The first specimen is made according to conventional method of design as control specimens in conformance with Euro code EC2 & EC8. The second specimen introduces a continued shear resistance system against discontinued conventional shear resistance system (stirrups) which is called “Single Square Spring Shear Resistance System” (SSSSRS). The third specimen possesses two continued square spring systems twisting together and making a parallel system called “Double Square Spring Shear Resistance System” (DSSSRS). A comparison was made between the performances of the improved shear reinforcement systems of beam-column connections against the control specimens. It was concluded that a lower deflection along with higher energy absorption was achieved for “Single Square Spring Shear Resistance System” (SSSSRS) and “Double Square Spring Shear Resistance System” (DSSSRS) compared to control specimens Energy Absorption Capacity of Reinforced Concrete Beam-Column Connections, with Ductility Classes Low (PDF Download Available).

Item Type:Article
Subjects:A General Works
ID Code:59720
Deposited By: Haliza Zainal
Deposited On:23 Jan 2017 08:24
Last Modified:06 Jun 2017 11:46

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