Parametric Study to Analyze Hydrodynamic Response for Intze Water Tank
Journal Title: GRD Journal for Engineering - Year 2019, Vol 4, Issue 0
Abstract
Indian sub-continent is vulnerable to natural disasters like earthquakes, cyclones, floods etc. Collapse of structures causes people to life loss that cannot be recovered. Elevated water tanks are considered lifeline structure during any calamities hence it must remain serviceable even after disaster so that domestic as well as incidental needs are fulfilled. Seismic response or behavior of such structures are necessary to be studied in order to meet safety objectives. According to IS 1893 (Part2): 2014 elevated water tank is considered as two mass model. In the present study, efforts are made to understand the behavior of RC intze tank supported on frame type staging, when it is subjected to dynamic pressure. Various parametric studies have been carried out to study the hydrodynamic response by varying the tank capacities they are 500m3, 750m3,1000m3, height to diameter ratio of cylindrical wall from 0.4 to 0.8, different seismic zones and soil types. Seismic analysis and design is carried out in excel sheet. Here configuration of staging was taken same for all the cases. It is observed that system responses such as time period, hydrodynamic pressure, base shear, overturning moment, sloshing wave height are highly influenced by geometrical parameters.
Authors and Affiliations
Saurin P. Trivedi, Prof. Dhruti M. Pandya
Keywords
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