Shear and Bending Response of RC Captive Columns from the Lateral Load

International Journal of Civil Engineering

© 2017 by SSRG - IJCE Journal

Volume 4 Issue 7

Year of Publication : 2017

Authors : Ashwin Kumar, Dr. D.T. Naveen Kumar

10.14445/23488352/IJCE-V4I7P105

How to Cite?

Ashwin Kumar, Dr. D.T. Naveen Kumar, "Shear and Bending Response of RC Captive Columns from the Lateral Load," SSRG International Journal of Civil Engineering, vol. 4,  no. 7, pp. 29-39, 2017. Crossref, https://doi.org/10.14445/23488352/IJCE-V4I7P105

Abstract:

For functional or aesthetic reasons a huge number of Reinforced Concrete (RC) structures are built with workmanship infill. For architectural necessities sometimes window or ventilator openings introduced in the wall. Due to these openings captivecolumn effect is formed in RC developments with such halfway brick work infill prompts genuine quake shear harms in sections. To reduce the potential for captivecolumn damage induced by partial infill and the RC frames behaviour with partial masonry infill under lateral loading is studied in present work. The instance of short sections subjected to seismic tremor impacts is incorporated. A RC portal frame of span 5m and 3.5m height having opening percentages of 0.1%, 0.33% and 0.55% were introduced. It has been observed from the results that, there is a linear variation in the displacement up to 85%. There is an increase in the Bending moment of Leeward column curve shows the strut action. Also, there is a decrement in lateral stiffness ratio curve with respect to increase in opening area ratio curve which shows the sudden variation in opening area ratio. There is an increment in shear force up to 45% of H0/H ratio.

Keywords:

Captive column, portal frame, masonry infill, lateral load.

References:

[1]. Mainstone (1971) and Mainstone and Week (1970) “Performed monotonic Experiments on full-scale concrete-encased steel frames in-filled with masonry panels”
[2]. P.M. Pradhan et al. (2012), “ a review on partial in-filled frames under lateral loads”
[3]. Al-Chaar et al. (2002) tested for ½ scale, single story, masonry in-filled non-ductile frames, under monotonic static loading
[4]. Diptesh Das and C.V.R. Murty., (2004), “Brick masonry infills in seismic design of RC framed Buildings”, Part-2 Behaviour, Indian Concrete Journal, pp. 31-38.
[5]. C.V.R. Murthy., (2005), IITK BMTPC “Earthquake Tips Learning Earthquake Design and Construction”, National Information Centre of Earthquake Engineering, IIT Kanpur, India.
[6]. Pankaj Agarwal and Manish Shrikande, (2011), Earthquake Resistant Design of Structures, Prentice Hall of India Private Limited, New Delhi, India.
[7]. Diana, M. Samoila. (2012) “Analytical Modelling of Masonry Infills”, Civil Engineering & Architecture, Vol. 55 No. 2
[8]. Yuh-When Liou et al.(2012), “ Experimental and analytical study of masonry infilled frames”
[9]. S.Saravannan et al.(2014), “Captive column effect in cold formed steel frame with partially infilled cement bonded particle board under lateral monotonic loading”.