Seismic Analysis and Design of INTZE Type Water Tank

Author(s):

Kaviti Harsha , ANDHRA UNIVERSITY; K.S.K Karthik Reddy, ANDHRA UNIVERSITY; Kondepudi Sai Kala, ANDHRA UNIVERSITY

Keywords:

Intze Water Tank, Base Shear, Base Moment, Full Tank Condition, Empty Condition, Displacements

Abstract:

Due to enormous need by the public, water has to be stored and supplied according to their needs. Water demand is not constant throughout the day. It fluctuates hour to hour. In order to supply constant amount of water, we need to store water. So to meet the public water demand, water tanks need to be constructed. They are grave elements in municipal water supply, firefighting systems and in many industrial amenities for storage of water. Intze type tank is commonly used overhead water tank in India. These tanks are designed as per IS: 3370 i.e. Code of practice for concrete structures for storage of liquids. BIS implemented the revised version of IS 3370 (part 1& 2) after a long time from its 1965 version in year 2009. Presently large number of overhead water tanks is used to distribute the water for public utility. Most of the water tanks were designed as per old IS Code: 3370-1965 without considering earthquake forces. The objective of this dissertation is to shed light on the Intze water tank designed considering the earthquake forces according to Indian standard code: 3370-2009 and draft code 1893-Part 2, (2005) considering two mass modal i.e. impulsive and convective mode method. Intze tank supported on frame staging .Also this report includes analysis by STAAD Pro for wind and seismic forces .Finally the results are validated with the results of manual calculation From the present study, it was observed that, for elevated tanks the two degree of freedom idealization of tank have shown better results when compared to single degree of freedom of idealization.

Other Details:

Manuscript Id	:	IJSTEV2I3007
Published in	:	Volume : 2, Issue : 3
Publication Date	:	01/10/2015
Page(s)	:	11-24

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