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Venkatasubramani, R.
- Study on Fly Ash Geopolymer Concrete to Reduce Global Warming Gases
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Affiliations
1 Department of Civil Engineering, V.L.B Janakiammal College of Engineering and Technology Kovaipudur, Coimbatore-641 042, T. N., IN
1 Department of Civil Engineering, V.L.B Janakiammal College of Engineering and Technology Kovaipudur, Coimbatore-641 042, T. N., IN
Source
Nature Environment and Pollution Technology, Vol 9, No 2 (2010), Pagination: 383-387Abstract
The climate change due to global warming, one of the greatest environmental issues, has become a major concern during the last decade. The global warming is caused by the emission of greenhouse gases such as CO2 to the atmosphere by human activities. In recent years, attempts to increase the utilisation of fly ash to partially replace the use of Portland cement in concrete are gathering momentum. Geopolymer concrete is a new material that does not need the presence of Portland cement as a binder. Instead, activating the source materials such as fly ash that are rich in silicon (Si) and aluminium (Al) using high alkaline liquids produces the binder required to manufacture the concrete. Hence, concrete with no cement can be achieved. In this study M20 grade geopolymer concrete was designed and two trial mixes have been compared with the control specimen. This paper presents information on fly ash-based geopolymer concrete, material and the mixture proportions, the manufacturing process, and the influence of various parameters on the properties of fresh and hardened concrete.Keywords
Fly Ash, Geopolymer Concrete, Superplasticizer, Global Warming.Full Text
- Ground Water Quality Modelling for Pollachi Taluk of Coimbatore District
Abstract Views :129 |
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Authors
Affiliations
1 Department of Civil Engineering, V.L.B. Janakiammal College of Engineering and Technology, Coimbatore-641 042, T. N, IN
2 Department of Civil Engineering, Government College of Technology, Coimbatore-641 013, T.N, IN
1 Department of Civil Engineering, V.L.B. Janakiammal College of Engineering and Technology, Coimbatore-641 042, T. N, IN
2 Department of Civil Engineering, Government College of Technology, Coimbatore-641 013, T.N, IN
Source
Nature Environment and Pollution Technology, Vol 6, No 3 (2007), Pagination: 443-446Abstract
A detailed study on water quality was conducted by collecting samples from 20 bore wells of Pollachi taluk, Coimbatore district. A correlation analysis has been carried out among the various parameters. The usefulness of this approach has been demonstrated to predict the quality of ground water. Significant linear relationships among some water quality parameters have been obtained which can be used for rapid monitoring of water quality parameters.Full Text
- Study on Subsurface Water Quality in Mettupalayam Taluk of Coimbatore District, Tamil Nadu
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Authors
Affiliations
1 Department of Civil Engineering, VLB Janakiammal College of Engineering and Technology, Coimbatore-641 042, T. N., IN
2 Department of Civil Engineering, Government College of Technology, Coimbatore-641 013, T.N., IN
1 Department of Civil Engineering, VLB Janakiammal College of Engineering and Technology, Coimbatore-641 042, T. N., IN
2 Department of Civil Engineering, Government College of Technology, Coimbatore-641 013, T.N., IN
Source
Nature Environment and Pollution Technology, Vol 6, No 2 (2007), Pagination: 307-310Abstract
Studies were conducted in the year 2002 and 2003, to know the quality of Borewell waters of five stations of Mettupalayam Taluk, Coimbatore district to assess their suitability for drinking and irrigation. The data were analysed with reference to WHO standards, and it was found that the physico-chemical parameters are within the maximum permissible limits. The study area also reveals that ground water of the area is dominated by magnesium and sodium with chloride.Full Text