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Raji, S. A.
- Numerical Simulation of Thermal Diffusion in Outdoor Concrete Fish Pond
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Authors
Affiliations
1 National Institute for Freshwater Fisheries Research, P.M.B 6006 New Bussa, Niger State, NG
2 Civil Engineering Department, University of Ilorin, Ilorin, NG
1 National Institute for Freshwater Fisheries Research, P.M.B 6006 New Bussa, Niger State, NG
2 Civil Engineering Department, University of Ilorin, Ilorin, NG
Source
International Journal of Engineering Research, Vol 5, No 7 (2016), Pagination: 582-585Abstract
In this research, numerical simulation of thermal diffusion in outdoor concrete fish pond was conducted.Experimental determination of temperature variation in the walls of concrete fish ponds was carried out to establish parameters for the simulation. Transient numerical simulation of the thermal diffusion across the thickness of the concrete wall was also carried out in ANSYS to determine change in temperature with time. Using the condition of inner maximum temperature of ππβ and final outer temperature of ππ.πππβ for dry concrete fish pond and inner maximum temperature of 39β and final outer temperature of 32.077β for wet concrete fish pond, graphical and analytical methods were used to validate the results. From the study, the results show that the present of water in the pond reduces the effect of high temperature on the concrete fish pond. In conclusion, the thermal penetration on the concrete wall and the intermittent heating and cooling of the concrete fish pond creates the fatigue which leads to cracking. Since this heating effect was found to be critical in the empty pond, it is recommended that even after harvesting of fish from the fish pond, the pond should be filled with water to avoid thermal cracking as a result of thermal diffusion in the concrete.Keywords
Concrete Fish Pond, Thermal Diffusion, Transient Simulation and Cracks.- Effect of Flood on Bridge Pier
Abstract Views :152 |
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Authors
Affiliations
1 Department of Civil Engineering, University of Ilorin, Ilorin, NG
1 Department of Civil Engineering, University of Ilorin, Ilorin, NG
Source
International Journal of Engineering Research, Vol 5, No 3 (2016), Pagination: 172- 175Abstract
This project focused on the use of computer software (MIDAS/CIVIL) for the modelling and analysis of bridge pier due to the effect of flood with University of Ilorin bridge as case study. The primary objective of the project was determining the effects of flood on bridge components. The methodology used involved the collection of data on the existing University of Ilorin Bridge, analysis of the bridge pier both manually and with computer analysis using MIDAS / Civil engineering software. The maximum stress and shear force were found to be 22.20kN/m2 and 373.93kN at the toe of the pier, the maximum moment was found to be 1703.53kNm while the maximum deflection was 207.51mm at the top of the pier.Keywords
Bridge, Flood, Pier, Midas.- Analysis of Interlocking Pavement Road:(Case Study:COMSIT Road in University of Ilorin)
Abstract Views :165 |
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Authors
Affiliations
1 Department of Civil Engineering, University of Ilorin, P.M.B. 1515, Ilorin, NG
1 Department of Civil Engineering, University of Ilorin, P.M.B. 1515, Ilorin, NG