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Vijaya Sekhar Reddy, M.
- Experimental Investigations on Mechanical Properties of High Strength Concrete by using Supplementary Cementing Materials
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Authors
M. Vijaya Sekhar Reddy
1,
I.V. Ramana Reddy
2,
K. Madan Mohan Reddy
1,
N. Krishna Murthy
3,
P. Ramesh
4
Affiliations
1 Department of Civil Engineering, Srikalahasteeswara Institute of Technology, Srikalahasti, AP, IN
2 Department of Civil Engineering, Sri Venkateswara University College of Engineering, Tirupati, AP, IN
3 Engineering Department, Yogi Vemana University, Kadapa, IN
4 Department of Civil Engineering, Sri Vidyanikethan Engineering College, Rangampeta, Tirupati, AP, IN
1 Department of Civil Engineering, Srikalahasteeswara Institute of Technology, Srikalahasti, AP, IN
2 Department of Civil Engineering, Sri Venkateswara University College of Engineering, Tirupati, AP, IN
3 Engineering Department, Yogi Vemana University, Kadapa, IN
4 Department of Civil Engineering, Sri Vidyanikethan Engineering College, Rangampeta, Tirupati, AP, IN
Source
Research Journal of Engineering and Technology, Vol 4, No 1 (2013), Pagination: 26-29Abstract
Portland cement has been a very satisfactory hydraulic binder for structural applications for a long time now. However there are many new issues stemming from its ever increasing use. Sustainable development today demands development of new concrete technologies, which use less natural resources and energy, and generate less CO2, without compromising on strength and durability properties. Supplementary Cementing Materials (SCMs) such as Flyash, Blast Furnace Slag, Silica Fume and Metakaoline etc., either in singly or in combination, in development of alternate binder systems is thus of economic and ecological significance. In the recent years, use of High Performance Concrete (HPC) in the construction industry as got momentum. For designing HPC, both SCMs and Superplasticizers are essential for the improvement of Workability and Mechanical Properties. The paper presents experimental studies conducted on two grades of HPC mixes of M50 and M60 using mineral and chemical admixtures in various proportions. Overall, the paper highlights the usage of admixtures to achieve high strength concrete mixes and from the experimental investigation it is clear that mineral admixtures contribute effectively a lot not only for achieving durability, also high strength.Keywords
Supplementary Cementing Materials (SCMs), High Performance Concrete (HPC), Flyash, Blast Furnace Slag, Silica Fume, Metakaoline.
References
- Bhattacharjee B, Misra A, Rai HS. Specifications for High Performance Concrete in India. In proceedings of the International UKIERI Concrete Congress, New Delhi, India, 8-10 March 2011.
- Chen HS, Sun W and Stroeven P. Prediction of compressive strength and optimization of mixture proportioning in ternary cementitious systems. Materials and Structures, 36; 2003: 396- 401.
- Alain Bilodeau and Mohan Malhotra V. High-volume fly ash system: sustainable development, ACI Materials Journal, 97(1); 2000:.41-48.
- Natesan SC, Ananda Kumar S and Venkatesh Babu DL. Effect of pulverized fuel ash (PFA) and condensed silica fume (CSF) on the strength of high performance concrete (HPC), Proceedings of International Conference on Civil Engineering, Bangalore, 2001: 89-95.
- Toutanj H, Delatte N, Aggoun S, Duval R and Danson A. Effect of supplementary cementations materials on the compressive strength and durability of short-term cured concrete, Cement and Concrete Research, 34; 2004: 311-319.
- IS: 12269-1987, Specification for 53 Grade Ordinary Portland Cement, Bureau of Indian Standards, New Delhi, India, 1989.
- IS: 383-1970: specifications for Coarse and Fine Aggregates for natural sources of concrete, Bureau of Indian standards, New Delhi.
- IS: 10262-2009: Concrete Mix Proportioning-guidelines, Bureau of Indian Standards, New Delhi.
- IS: 516-1959: Methods of tests for strength of concrete, Bureau of Indian standards, New Delhi.
- IS: 5816-1999: Methods of tests for Splitting tensile strength concrete, Bureau of Indian standards, New Delhi..
- Durability Properties of M30 Grade Concrete Using Mineral and Chemical Admixtures
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Authors
Affiliations
1 Department of Civil Engineering, Sri Kalahastheeswara Institute of Technology, Srikalahasti, Andhra Pradesh, IN
1 Department of Civil Engineering, Sri Kalahastheeswara Institute of Technology, Srikalahasti, Andhra Pradesh, IN
Source
Research Journal of Engineering and Technology, Vol 5, No 2 (2014), Pagination: 102-109Abstract
The February 2007 report issued by the International Panel on Climate Change (IPCC) has started in no uncertain terms that global warming is no longer an issue that has to be debated. According to the report, global warming is here, and drastic actions are needed for the long term sustainable of our environment. In these contexts that this paper discusses the role of supplementary cementing materials as partial replacement for cement in concrete in reducing green house gas emissions. In the new millennium, concrete incorporating self-curing agents will represent a new trend in the concrete construction. Curing of concrete plays a major role in developing the concrete microstructure and pore structure, and hence improves its durability and performance. Due to the high alkalinity of concrete it has always been susceptible to acid attack. Hence, in this investigation an attempt was made in order to know the behavior of Concrete specimens curing with acids such as HCL, Alkaline such as NaOH and sulphate solution MgSO4 and Na2SO4.
In the last decade the use of Supplementary Cementing Materials (SCMs) has become an integral part of high strength and high performance concrete mix design. The addition of SCM to concrete reduces the heat of hydration and extends the service life in structures by improving both long term durability and strength. Some of the commonly used SCMs are Flyash, Silica fume and Metakaoline. This paper presents results of the durability characteristic properties of M30 grade of Concrete with and without SCMs and Superplasticizers.
Keywords
Supplementary Cementing Materials (SCMs), Superplasticizer, Durability, Acid Test, Alkaline Test, Sulphate Attack.- Significant Role of Supplementary Cementing Materials in Concrete for the Assessment of Durability
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Authors
Affiliations
1 Department of Civil Engineering, Srikalahasteeswara Institute of Technology, Srikalahasti, Andhra Pradesh,, IN
2 Department of Civil Engineering, Srikalahasteeswara Institute of Technology, Srikalahasti, Andhra Pradesh, IN
1 Department of Civil Engineering, Srikalahasteeswara Institute of Technology, Srikalahasti, Andhra Pradesh,, IN
2 Department of Civil Engineering, Srikalahasteeswara Institute of Technology, Srikalahasti, Andhra Pradesh, IN
Source
Research Journal of Engineering and Technology, Vol 8, No 3 (2017), Pagination: 187-190Abstract
Concrete has today very demanding performance requirements. The concrete durability crisis which started to attract public attention forced the engineers to think about the performance of concrete proper mix design and careful construction using the best available materials and technologies are necessary to achieve quality concrete structures. The February 2007 report issued by the International Panel on Climate Change (IPCC) has started in no uncertain terms that global warming is no longer an issue that has to be debated. According to the report, global warming is here, and drastic actions are needed for the long term sustainability of our environment. Curing of concrete plays a major role in developing the concrete microstructure and pore structure and hence improves its durability and performance. It is in this context that this paper discusses the role of supplementing cementing materials as partial replacement for cement in concrete in reducing green house gas emissions. In the last decade the use of Supplementary Cementing Materials (SCM) has become an integral part of high strength and high performance concrete mix design. The addition of SCM to concrete reduces the heat of hydration and extends the service life in structures by improving both long term durability and strength. The addition of SCM to concrete reduces the heat of hydration and extends the service life in structures by improving both long-term durability and strength. Some of the commonly used SCM’s are Flyash, Silica fume, Blast furnace slag and Metakaoline. This paper presents the results of the durability characteristic properties of M30 grade of concrete without superplasticizer. The durability was evaluated using Rapid Chloride Permeability Test.Keywords
Standard Concrete, Supplementary Cementing Materials (SCMs), Durability, Rapid Chloride Permeability Test.References
- Bhaskar .S, Ravindra Gettu, Bharatkumar. B.H and Neelamegam. M, (2012) “Strength, bond and durability related properties of concretes with mineral admixtures”, Indian Concrete Journal, Vol. 86(2), pp. 9-16.
- Smith Kevin. M, Schokker Andrea. J, and Tikalsky Paul. J, (2004) “Performance of supplementary cementitious materials in concrete resistivity and corrosion monitoring evaluations”, ACI Materials Journal, Vol. 101(5), pp.385-390.
- Swamy. R. N (1996) “High Performance Durability through Design. International Workshop on High Performance Concrete”, ACI-SP, Vol.159 (14), pp. 209-230,
- Vaishali Ghorpade and Sudarsana Rao. H, (2011) “Chloride Ion Permeability Studies of Metakaoline based, High Performance Concrete”, International Journal of Engineering Science and Technology (IJEST), Vol.3 (2), pp.1617-1623.
- Khadiraranaikar. R.B, Chandrabansi. G. B. and Md. Asif Maruf,(2012) “Durability of High Performance Concrete Congaing Rice Husk Ash using Rapid Chloride Penetration Test, In Proceedings of International conference on Sustainability Challenges and advances in concrete technology (SCACT)”, Organized by Dept of Civil Engg, PSG College of Technology, Coimbatore, India.
- IS: 12269-1987, Specification for 53 Grade Ordinary Portland Cement, Bureau of Indian Standards, New Delhi, India, 1989.
- IS: 383-1970: specifications for coarse and fine aggregates for natural sources of concrete, Bureau of Indian standards, New Delhi.
- IS: 10262-2009: Concrete Mix Proportioning-guidelines, Bureau of Indian Standards, New Delhi.
- Standard test method for electrical indication of concrete’s ability to resist chloride ion penetration, ASTMC 1202-97, Annual book of ASTM standards, vol.04.02,pp.639-644.
- Study on Tensile Strength Properties of Calcium Silicate Bricks by Using Jute and Banana Fibres
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Authors
Affiliations
1 Department of Civil Engineering , Srikalahasteeswara Institute of Technology, Srikalahasti, Andhra Pradesh, IN
2 Department of Civil Engineering, Srikalahasteeswara Institute of Technology, Srikalahasti, Andhra Pradesh,, IN
1 Department of Civil Engineering , Srikalahasteeswara Institute of Technology, Srikalahasti, Andhra Pradesh, IN
2 Department of Civil Engineering, Srikalahasteeswara Institute of Technology, Srikalahasti, Andhra Pradesh,, IN
Source
Research Journal of Engineering and Technology, Vol 8, No 4 (2017), Pagination: 333-337Abstract
The plain concrete possesses a very low tensile strength, limited ductility and little resistance to cracking. The addition of small, closely spaced and uniformly dispersed fibres to concrete would act as crack arrester and would substantially improve its static and dynamic properties. This paper presents the variation in strength characteristics of fibre bricks by varying the percentage of fibres and class F flyash. the percentage of fibres is varied from 0.25% and 0.5% An effort for an alternate approach in the experimental manufacturing of brick was accomplished by using various supplementary cementing materials like class F Fly ash, Hydrated lime and fibres such as jute and banana are used as key ingredients in the present investigation. Recycling such wastes by utilizing them into building materials is a moderate solution for the environmental pollution issues. Much of an emphasis is laid on energy saving and economy. In this experimental work an attempt is made for such an alternate approach.Keywords
Natural Fibre, Jute Fibre, Banana Fibre, Fly Ash Bricks, Split Tensile Strength.References
- Mayurkumar Patoliya, Jayesh Pitroda (2012), “An Experimental Study of Utilization Aspect of Natural/Artificial fibre in Fly ash Bricks in Central Region of Gujarat”, National conference on advance in Engineering and Technology Kalol, Gujarat , March, pp.13.1-13.4.
- Malaviya S K, Chatterjee B and Singh K K (1999), “Fly ash- An emerging alternative building material”, proceedings of National Seminar, February 26-27 , pp. 59.
- Sanjay Salla, Jayeshkumar Pitroda (2013), B. K. Shah, Comparative Study on Rice Husk and Ground Nut Shell in Fly Ash Bricks, , International journal of inventive engineering and sciences Vol 1 Issue-7, June.
- Dhaval Vaviya, J J Bhavsar, Jayesh Pitroda (2011), “Literature Review On Comparing Clay Bricks Nomograms With Fly Ash Bricks” published in National Conference on Recent Trends In Engineering and Technology, (NCRTET-2011) B.V.M. Engg. College, V.V.Nagar, Gujarat on 13 th – 14 th May.
- Nutan C. Patel, Prof. Jayeshkumar Pitroda (2013), “Fly Ash Brick: Glass Fibre the Innovative Concept for Getting Higher Strength Brick” International Journal of Innovative Research in Science, Engineering and Technology, IJIRSET / Vol. 2, Issue 3, March.
- IS :5816-1999, Splitting tensile strength of concrete , BIS, New Delhi.