Abstract
Many water tanks are pull-down during post-earthquake due to failure of water tank staging and this occurs because of the dynamic behaviour of the water tank staging that leads to collapse of water tank. These are important elements during post-earthquake that must be in service. In this study to reduce the damage of water tank staging by installation of additional dissipation devices known as dampers made up of X-plate steel and aluminum and these are effective in reduction of damage of structures, gives the additional damping and additional stiffness to the structure. For this study water tank staging’s with different heights are modeled in SAP-2000 and performed nonlinear dynamic analysis under four real ground motions with and without damper. After the analysis the results obtained is, Displacement, shear force, amount of energy dissipation, maximum axial force and bending moment compared with and without damper and significantly reduced.
Highlights
Earthquake is an unexpected tragic event that produces some energy in the form of waves due to this ground starts shaking
In this paper describing about elevated water tanks, these tanks plays an important role in municipality services
From the experimental analysis the responsive quantities of shear, axial and bending moment of two elevated water tank staging as shown in table 3&4.From the results it is noted that axial force gradually increases and shear force and bending moment significantly reduces as compared without damper case
Summary
Earthquake is an unexpected tragic event that produces some energy in the form of waves due to this ground starts shaking. To determine the seismic response of the structure with steel and aluminum damper for this study 12 column 20m staging height and 24 column 24m staging height has been considered and modeled and time story analysis has been performed under four real ground motions in SAP-2000 as shown in table 1. To examine the efficiency of the X-plate steel and aluminum damper for this study time history analysis has been performed under four real ground motions in Sap-2000 as shown in table-2. From the experimental analysis the responsive quantities of shear, axial and bending moment of two elevated water tank staging as shown in table 3&4.From the results it is noted that axial force gradually increases and shear force and bending moment significantly reduces as compared without damper case
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