International Journal of Engineering and Advanced Technology (IJEAT) ISSN: 2249 – 8958, Volume-9 Issue-3S, March, 2020 22 Retrieval Number: C10060393S20/2020©BEIESP DOI: 10.35940/ijeat.C1006.0393S20 Published By: Blue Eyes Intelligence Engineering & Sciences Publication Abstract: RC intze water tanks are constructed for storage and suppling of water through a certain height with adequate pressure of water distribution. Many overhead water tanks affected due to certainty like earthquake that can induce large lateral forces. So, there is a necessity to Understand and examine the behavior of intze tank supported on framing in context to different soil types under the seismic forces. This paper evaluates the experimental output of seismic analysis that compares shear and moments at base for different seismic zone (II, III, IV, V) in different type of soil conditions. Keywords: Intze water tank, Seismic analysis, Base shear, Base moment. I. INTRODUCTION Water supply plays a portal vote day to day life and adequate storage is highly desirable, is proportional to increase in population, requirement for drinking water has increased and also due to a shortage of electricity at various regions of India, it is not possible to supply water through pumps at peak time. So, at such scenario elevated water tanks happen to vital part of life [1]. Earthquakes affected several tanks in past that can induce large horizontal and overturning forces in elevated water tanks. The elevated water tank damaged due to a large mass concentrated at the top with the relatively slender supporting system [2-3]. Water tanks can distress in different situations like inaccurate structural configuration design, poor materials quality and workmanship, corrosion of reinforcement, wind forces and earthquake [4]. II. LITERATURE REVIEW Harsha et al. [7] analyzed and designed Intze water tank by considering the quake forces as per IS 3370-2009 and draft code IS 1893(Part-2): 2002 with two mass model i.e. impulsive model and convective model. They observed that time period; base shear and moment determined by convective mode of vibration was greater as compared to the impulsive mode of vibration. Shear and moment at base by two mass model modes were obtained 36% and 41% respectively as compared to the lumped mass model method. Revised Manuscript Received on March 15, 2020. Rakesh Yadav, Techno India NJR Institute of Technology, Udaipur Rajasthan, India. E-mail:rakeshyadav1927@gmail.com Trilok Gupta, Maharana Pratap University of Agriculture and Technology University in Udaipur, Rajasthan, India. Ravi S Sharma, Maharana Pratap University of Agriculture and Technology University in Udaipur, Rajasthan, India. Livaoglu and Dogangun [8] they used finite elements model with the frame type and shaft type supporting system. It has been observed that the supporting system affect the sloshing displacement as compared to shaft type system. It was found that the displacement decreased 83% for frame type supporting system. However, 12% displacement decreased, when the shaft type supporting system is used. Shakib et al. [9] analyzed RC elevated water tanks, having capacity of 900 cum and at a height of staging 25, 32 and 39 m. It is assumed that concrete behaves nonlinearly. So, study entailed the shear and moment at base increases in the range between 10-20 %, and 13-32 % respectively. Also, displacement and hydrodynamic pressure increases in the range between 10-15 % and 8-9 %, respectively. Vyankatesh and Varsha [10] analyzed the circular Intze tank supported on RC frame staging and shaft staging at different staging height for different capacities and seismic zones for IS 1893 (Part-II):2014, is derived the increase in tank capacity for the different seismic zone and also base moment supported on frame staging was less as compared to shaft staging. III. MATHODOLOGY It must be ensured that the water tank design is capable to withstand certainty like earthquake loading, which varies with an increase in seismic zones. 3.1 Methods of seismic analysis Mainly two different types of design analysis are as follows. 3.1.1 Equivalent static analysis: Statistical approach can be efficiently appeal to elevated water tank. It is dependent on representation of seismic load in the form of identical static loads. Approximate in context to tank is vital and without any degradation, in accuracy estimate, a single degree of freedom is sufficient. K = P / Δ Where K= Lateral Stiffness of staging P= Applied lateral force ∆ = Deflection in mm 3.1.2 Dynamic analysis: It is very hard to analyse the dynamic nature of elevated water tank. Due to static behaviour of tank, predictions can hardly be done. Elevated water tank having liquid with free surfaceis related to motion of natural calamity like earthquake and the direction of motion result in acceleration of the tank wall and liquid. Rakesh Yadav, Trilok Gupta, Ravi S. Sharma Seismic Behavior of RC Intze Water Tank under Various Zone and Soil Condition