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Dynamic Analysis of Elevated Water Tank with Different Staging Configurations


Abhishek Sharma , Punjab Engineering College Chandigarh, India; Sarita Singla, Punjab Engineering College Chandigarh, India


Time History Analysis, Static Analysis. STADD Pro V8i, Base Shear, Nodal Displacement, Mass Participation Factor, Time period of Vibration


The report presents the static analysis and Time History Analysis of an elevated water tank using STAAD Pro V8i software. The design involves load calculations manually and analyzing the whole structure by STAAD Pro V8i. The design method used in STAAD Pro analysis is Limit State Design and the water tank is subjected to live load, dead load, self-weight and seismic loads. Seismic load calculations are done as per IS 1893-2000.Eigen solution so obtained helps in determining the base shear and various peak story shear values of the structure. Frequency analysis gives the natural frequency of the structure and time history, which defines the behaviour of the structure in certain interval of time against various functions like velocity, displacement and acceleration and hence the graphical solutions has been drawn for each analysis. In the present study, three earthquake ground motions selected are considered as an input motion for the time history analysis and applied at the base of the structure. The seismic performance of the elevated water tank under three different selected earthquake (Kakinada, Elcentro and Bhuj) records will be examined for different staging configurations. For time history analysis STAAD Pro v8i software is used for the structure. The output parameters Base Shear, Nodal Displacement at the top of tank, Mass Participation factor, Time period of Vibration in various structural elements of various cases of water tank has been investigated and also been compared with static analysis results.

Other Details

Paper ID: IJSRDV8I70124
Published in: Volume : 8, Issue : 7
Publication Date: 01/10/2020
Page(s): 212-219

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