The Experts below are selected from a list of 53376 Experts worldwide ranked by ideXlab platform
Ravindra K Dhir - One of the best experts on this subject based on the ideXlab platform.
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establishing a relationship between Modulus of Elasticity and compressive strength of recycled aggregate concrete
Journal of Cleaner Production, 2016Co-Authors: R V Silva, Jorge De Brito, Ravindra K DhirAbstract:Abstract This paper provides a systematic literature review, based on the identification, appraisal, selection and synthesis of the evidence of 121 publications published over a period of 43 years from 1973 to 2015, relating to the effect of incorporating recycled aggregates, sourced from processed construction and demolition waste, on the Modulus of Elasticity of concrete. It identifies various influencing aspects related to the use of recycled aggregates such as replacement level, size and origin, as well as mixing procedures, exposure of the resulting concrete to different environmental conditions, use of chemical admixtures and additions, and development of the Modulus of Elasticity over time. A statistical analysis on the collated data is also presented with the purpose of understanding the loss of Modulus of Elasticity, based on quality and replacement level of recycled aggregates. Furthermore, a relationship between Modulus of Elasticity and compressive strength, in accordance with existing specifications for conventional structural concrete, is also proposed.
R V Silva - One of the best experts on this subject based on the ideXlab platform.
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establishing a relationship between Modulus of Elasticity and compressive strength of recycled aggregate concrete
Journal of Cleaner Production, 2016Co-Authors: R V Silva, Jorge De Brito, Ravindra K DhirAbstract:Abstract This paper provides a systematic literature review, based on the identification, appraisal, selection and synthesis of the evidence of 121 publications published over a period of 43 years from 1973 to 2015, relating to the effect of incorporating recycled aggregates, sourced from processed construction and demolition waste, on the Modulus of Elasticity of concrete. It identifies various influencing aspects related to the use of recycled aggregates such as replacement level, size and origin, as well as mixing procedures, exposure of the resulting concrete to different environmental conditions, use of chemical admixtures and additions, and development of the Modulus of Elasticity over time. A statistical analysis on the collated data is also presented with the purpose of understanding the loss of Modulus of Elasticity, based on quality and replacement level of recycled aggregates. Furthermore, a relationship between Modulus of Elasticity and compressive strength, in accordance with existing specifications for conventional structural concrete, is also proposed.
F Gomez - One of the best experts on this subject based on the ideXlab platform.
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splitting tensile strength and Modulus of Elasticity of self compacting concrete
Construction and Building Materials, 2011Co-Authors: C Parra, M Valcuende, F GomezAbstract:Abstract In this experimental work, the splitting tensile strength and the Modulus of Elasticity are studied for self-compacting concretes of different ages. At the same time, its porous structure is analysed, since this aspect is directly related with mechanical properties of the material. Eight different concretes were used, four self-compacting and four normally-vibrated, with different water/cement ratios and different types of cement. The results obtained show that in self-compacting concretes made with limestone filler the splitting tensile strength is on average 15% less than that of normally-vibrated concretes. It is therefore suggested that the standard expressions that are normally used for normally-vibrated concretes should be modified for these concretes. In addition, it is seen that the cementitious paste’s Modulus of Elasticity is greater in the self-compacting concretes because the addition of limestone fines creates lower porosity and a finer microstructure. Despite this, the concrete’s Modulus of Elasticity tends to be around 2% less in the self-compacting concretes as a result of the greater amount of cement paste in the self-compacting concretes.
Jorge De Brito - One of the best experts on this subject based on the ideXlab platform.
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establishing a relationship between Modulus of Elasticity and compressive strength of recycled aggregate concrete
Journal of Cleaner Production, 2016Co-Authors: R V Silva, Jorge De Brito, Ravindra K DhirAbstract:Abstract This paper provides a systematic literature review, based on the identification, appraisal, selection and synthesis of the evidence of 121 publications published over a period of 43 years from 1973 to 2015, relating to the effect of incorporating recycled aggregates, sourced from processed construction and demolition waste, on the Modulus of Elasticity of concrete. It identifies various influencing aspects related to the use of recycled aggregates such as replacement level, size and origin, as well as mixing procedures, exposure of the resulting concrete to different environmental conditions, use of chemical admixtures and additions, and development of the Modulus of Elasticity over time. A statistical analysis on the collated data is also presented with the purpose of understanding the loss of Modulus of Elasticity, based on quality and replacement level of recycled aggregates. Furthermore, a relationship between Modulus of Elasticity and compressive strength, in accordance with existing specifications for conventional structural concrete, is also proposed.
Hamid Nikraz - One of the best experts on this subject based on the ideXlab platform.
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Modulus of Elasticity of Reinforced Silty Sand
2011Co-Authors: Amin Chegenizadeh, Hamid NikrazAbstract:Reinforced soil has been among the most effective soil modification materials. Its use has been expanded dramatically into civil engineering, geotechnical engineering and pavement engineering. Reinforcing subgarde in pavement systems has always been an issue. This study focuses on effect of fibre inclusion on the Modulus of Elasticity of subgrade material. Plastic fibre was used for this investigation. Fibre contents and aspect ratio have been changed during these tests. The fibre percentage varied from 0 % (for unreinforced samples) to 0.3%. Silty sand was used as sub grade material. Unconfined compression tests were carried out to investigate behaviour of the composite under different loading condition. The results showed that the Modulus of Elasticity of fibre reinforced composite has increased by fibre inclusion. The fibre length and fibre content found to play important rule on the Modulus of Elasticity of fibre.
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Modulus of Elasticity of reinforced clay
Advanced Materials Research, 2011Co-Authors: Amin Chegenizadeh, Hamid NikrazAbstract:Reinforced soil has been among the most effective soil modification materials. Its use has been expanded rapidly into civil engineering, geotechnical engineering and pavement engineering. Reinforcing subgarde in pavement systems has always been an issue. This study focuses on effect of fibre inclusion on the Modulus of Elasticity of subgrade material. Plastic fibre was used for this investigation. Fibre contents and aspect ratio have been changed during these tests. The fibre percentage varied from 0 % (for unreinforced samples) to 3%. Clay was used as sub grade material. Unconfined compression tests were carried out to investigate behaviour of the composite under different condition. The fibre length and fibre content found to play important rule on the Modulus of Elasticity of fibre. Furthermore it was observed that ductility of sample increased by fibre inclusion.
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Study on Modulus of Elasticity of Reinforced Clay
Advanced Materials Research, 2011Co-Authors: Amin Chegenizadeh, Hamid NikrazAbstract:Reinforced soil has been among the most effective soil modification materials. Its use has been expanded rapidly into civil engineering, geotechnical engineering and pavement engineering. Reinforcing subgarde in pavement systems has always been an issue. This study focuses on effect of fibre inclusion on the Modulus of Elasticity of subgrade material. Plastic fibre was used for this investigation. Fibre contents and aspect ratio have been changed during these tests. The fibre percentage varied from 0 % (for unreinforced samples) to 6%. Clay was used as sub grade material. Unconfined compression tests were carried out to investigate behaviour of the composite under different condition. The fibre length and fibre content found to play important rule on the Modulus of Elasticity of fibre. Furthermore it was observed that ductility of sample increased by fibre inclusion.
