Concrete and the Environment
Deterioration of Concrete in Aggressive Environment
... curing environment on the strength and durability of concrete which is cured in water containing different percentages of nitric acid and hydro chloric ...M40 concrete cubes of sizes ...
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PERFORMANCE OF CONCRETE EXPOSED TO CORROSIVE ENVIRONMENT
... Investigation to study the performance of portland cement concrete of M20 strength exposed to corrosive environment ( 5% H2SO4 Solution , 5% HC 1 Solution , 10% (NH4SO4 Solution and 10% [r] ...
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Behaviour of a Sustainable Concrete in Acidic Environment
... years. Concrete is susceptible to acid attack because of its alkaline ...sustainable concrete in 3% sulphuric acid and 1.5% nitric acid environment in which cement was replaced by a combination of ...
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Green Concrete for better Sustainable Environment
... “Green Concrete..’’Green concrete has nothing to do with ...thinking environment into concrete considering every aspect from raw materials manufacture over mix design to structural design, ...
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Isolation and identification of concrete environment bacteria
... that concrete environment is a high alkaline environment, the pH value of the isolation flask is maintained in alkaline condition for ensuring self survival of the isolated ...
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Evaluation of Performance of Geopolymer Concrete in Acid Environment
... of concrete by acid attack has been a major problem which needs to be addressed with the utmost ...of concrete. Portland cement concrete due to high alkanity may be prone to acid attack by acidic ...
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Impact Of Concrete, Steel And Timber On The Environment: A Review
... Email: [email protected] ABSTRACT:The elements of the built environment are all products of construction. Construction uses materials obtained from natural sources or processed from raw materials obtained from ...
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A STUDY ON FLY ASH CONCRETE IN MARINE ENVIRONMENT
... structural concrete. In this article, the effects of mixing and curing concrete with seawater on the compressive, tensile, flexural and bond strengths of concrete were ...investigated. ...
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Deterioration of Concrete in Ambient Marine Environment (RESEARCH NOTE)
... marine environment on structural concrete is an important issue for the scientists/researchers over the several ...marine environment where sea salts diffused within the concrete get the ...
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Completely recyclable concrete for a more environment-friendly construction
... Copper slag was found to be an interesting iron source for the production of CRC. First of all, it is an industrial by-product and its application reduces the need for natural resources on the one hand and the production ...
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Studies on concrete degradation in aggressive environment and development of protective system
... experiment with cyclic immersion of the samples in acid sulphuric and sodium sulphate solutions, PTL concretes were found to expand to a remarkable extent, although with a lower mass loss. Accordingly to these results, ...
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Utilization of Coal Fly ash in concrete Industry to Protect the Environment
... • Reduced requirement of cement for same strength thus reduced cost of concrete. 10. Conclusions In India, about 120 coals based thermal power plants are producing nearly about 112 million tons of coal fly ash per ...
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Performance of alkali activated slag concrete under aggressive environment
... for Concrete Aggre- gates, ASTM International, 2016) and their moisture condition was found to be in Saturated Surface Dry (SSD) ...aggressive environment condition, the AASC mixes were prepared with ...
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Service life estimation of cracked and healed concrete in marine environment
... for Concrete Research, Ghent University, Belgium ABSTRACT: In the aggressive seawater environment, the durability of concrete is strongly influenced by the presence of chlorides and ...Self-healing ...
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Quantum-Chemistry Based Studying of Rebar Passivation in Alkaline Concrete Environment
... 3. SUMMARY AND CONCLUSIONS Active steel corrosion entails the formation and destruction of the passive film on steel surface. Central to the understanding of the two processes are the structure and dynamics of the ...
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Influence of the Marine Environment on Reinforced Concrete Degradation Depending on Exposure Conditions
... reinforced concrete in marine ...in concrete contour and interface steel-concrete on samples exposed to continuous immersed seawater, alternated wet in seawater/dry at atmosphere and continuous ...
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Corrosion Resistance of Calcium Aluminate Cement Concrete Exposed to a Chloride Environment
... (CAC) concrete to enhance the durability against an externally chemically aggressive environment, in particular, chloride-induced ...and concrete properties, CAC was partially mixed with ordinary ...
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Electrochemical Behavior of Reinforced Concrete and Its Relation With the Environment of Xalapa, Veracruz
... reinforced concrete exposed to the environment of the city of Xalapa, Veracruz, to portray the effect in the durability, since this depends not only from its mechanical features but also from the ...
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Performance of Geopolymer Concrete at Elevated Temperature and Against Aggressive Chemical Environment.
... geopolymer concrete at elevated temperature on the basis of physical appearance, weight loss and residual compressive strength ...geopolymer concrete cubes of 150×150×150 mm were ...geopolymer ...
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Performance of Geopolymer Concrete with Silica Fumes under Various Aggressive Environment
... Concrete is a mixture of naturally and easily available ingredients such as cement, sand, aggregate and water. Cement has occupied second place as most used material in world after water. The rapid production of ...
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