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Comparative Analysis of Elevated Water Storage Structure using Different Typesof Bracing Patterns in Staging

Gaurav S. Atalkar*, 0**

* M.Tech Student, Civil Engineering Department, ShriRamdeobaba College of Engineering & Management, Nagpur, India.

** Assistant Professor, Civil Engineering Department,ShriRamdeobaba College of Engineering & Management, Nagpur, India.

Periodicity:March - May'2014
DOI : https://doi.org/10.26634/jste.3.1.2978

Abstract

From the very upsetting experiences of few earthquakes, like the Bhuj earthquake in India (DurgeshC. Rai 2003), R.C.C elevated water tanks were heavily damaged or collapsed. This might be due to lack of knowledge regarding the proper behavior of supporting pattern of the tank due to dynamic effect and improper geometrical selection of staging. The main aim of this study is (i) to understand the behavior of different staging, under different loading conditions (ii) to strengthen the conventional type of staging during earthquake. Seismic coefficient method, for five different types of bracing patterns, is applied to the staging of elevated circular water tank in zone IV, and is carried out using STAAD Pro. V8i. Comparison of base / storey shear and nodal displacements of the container of circular water tank for empty, half filled and full condition is done. Alternate diagonal bracing pattern for staging yields the optimum value of base shear and displacement, compared to other patterns that are studied.

Keywords

Keywords: Elevated Water Tanks, Staging, Bracings, Base Shear, Displacement, Seismic Coefficient Method.

How to Cite this Article?

Atalkar, G.S., and Gharad, A.M. (2014). Comparative Analysis of Elevated Water Storage Structure using Different Types of Bracing Patterns in Staging. i-manager’s Journal on Structural Engineering, 3(1), 1-6. https://doi.org/10.26634/jste.3.1.2978

References

[1]. Durgesh C. Rai (2003). “Performance of Elevated Tanks in Mw 7.7 Bhuj Earthquak of January 26th, 2001.”Proc. Indian Acad. Sci. (Earth Planet. Sci.), 112, No. 3 pp. 421- 429

[2]. H. S. Patel and Ayazhussain M. Jabar(2012). “Seismic Behavior of RC Elevated Water Tank Under Different Staging Pattern and Earthquake Characteristics.”International Journal of Advanced Engineering Research and Studies, EISSN2249– 8974.

[3]. IITK-GSDMA (October 2007). “Guidelines for Seismic Design of Liquid Storage Tanks: Provisions with Commentary and Explanatory Examples.” Gujarat State Disaster Management Authority, Indian Institute of Technology Kanpur.

[4]. IS 11682:1985, “Criteria for Design of RCC Staging for Overhead Water Tanks.” Bureau of Indian Standards, New Delhi, India.

[5]. IS 1893:2000(Part 1), “Criteria for Earthquake Resistant Design Structures, General Provisions and Buildings.” Bureau of Indian Standards, NewDelhi, India.

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