Strength And Related Properties Of Concrete A Quantitative Approach PdfBy Klaus A. In and pdf 25.03.2021 at 07:16 4 min read
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- STRENGTH AND RELATED PROPERTIES OF CONCRETE: A QUANTITATIVE APPROACH
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- Construction and Building Materials
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The science and technology of concrete have been based almost exclusively on empirical knowledge. The description of concrete properties and behavior was therefore by necessity mostly of qualitative nature.
STRENGTH AND RELATED PROPERTIES OF CONCRETE: A QUANTITATIVE APPROACH
The point load strength I s 50 is an alternative mechanical parameter to predict the compressive strength of concrete. The scope of this investigation is to develop an empirical equation relating the point load strength and compressive strength of concrete. In this context, crushed limestone aggregates at two different strength levels were used in concrete mixture. Point load strength and compressive strength tests on concrete specimens which had 6 different compressive strengths were performed for each limestone aggregate.
The relative error can be considered reasonably well for the empirical relationship. The proposed equation is quite compatible with the database. It can be used to estimate the axial compressive strength of concrete under confining stress without performing triaxial tests, considered Hoek-Brown and Johnson empirical failure criterions.
This is a preview of subscription content, access via your institution. Rent this article via DeepDyve. Aitcin P. Google Scholar. ASTM ASTM a. ASTM b. Attard M. Bieniawski Z. Broch E. Girgin N. Hoek E. ISRM Japanese Industrial Standard Johnston I. Kayabal K. Composites , Vol. Komlos K. Konig G. Popovics S. Richardson D. Richart F. Robins P. Setunge S. Singh V. Sonmez H. Vallejo L. Zacoeb A.
Zain M. Zhou F. Xie J. Download references. Reprints and Permissions. Estimation of the compressive strength of concrete under point load and its approach to strength criterions. Download citation. Received : 03 June Revised : 01 August Accepted : 19 August Published : 12 January Issue Date : September Search SpringerLink Search.
Abstract The point load strength I s 50 is an alternative mechanical parameter to predict the compressive strength of concrete. References Aitcin P. Author information Affiliations Dept. View author publications. Rights and permissions Reprints and Permissions. About this article.
[PDF Download] Strength and Related Properties of Concrete: A Quantitative Approach [Read]
The point load strength I s 50 is an alternative mechanical parameter to predict the compressive strength of concrete. The scope of this investigation is to develop an empirical equation relating the point load strength and compressive strength of concrete. In this context, crushed limestone aggregates at two different strength levels were used in concrete mixture. Point load strength and compressive strength tests on concrete specimens which had 6 different compressive strengths were performed for each limestone aggregate. The relative error can be considered reasonably well for the empirical relationship. The proposed equation is quite compatible with the database.
Corrosion of steel rebar in reinforced concrete is one the most important durability issues in the service life of a structure. In this paper, an investigation is conducted to find out the relationship between the amount of reinforced concrete corrosion and GPR maximum positive amplitude. The corroded rebars were then placed into three different oil emulsion tanks having different dielectric properties similar to concrete. The maximum amplitudes from the corroded bars were recorded. A linear relationship between the maximum positive amplitudes and the amount of corrosion in terms of percentage loss of area was observed. It was proposed that the relationship between the GPR maximum amplitude and the amount of corrosion can be used as a basis of a NDE technique of quantitative estimation of corrosion. Ground Penetrating Radar GPR has been widely used in several types of nondestructive evaluation of concrete, such as detecting and locating rebar, finding concrete thickness, and detecting voids and cracks.
Once production of your article has started, you can track the status of your article via Track Your Accepted Article. An international journal dedicated to the investigation and innovative use of materials in construction and repair. Construction and Building Materials provides an international forum for the dissemination of innovative and original research and development in the field of construction and building materials Construction and Building Materials provides an international forum for the dissemination of innovative and original research and development in the field of construction and building materials and their application in new works and repair practice. The journal publishes a wide range of innovative research and application papers which describe laboratory and to a limited extent numerical investigations or report on full scale projects. Multi-part papers are discouraged. Construction and Building Materials also publishes detailed case studies and some incisive review articles that contribute new understandings.
Construction and Building Materials
The increasing number of early deterioration symptoms found in relatively new concrete structures provides a strong argument for the development and validation of techniques to monitor the condition state of concrete elements and provide data to estimate the potential service life. The use of NDT monitoring techniques is an important way to prevent and control the deterioration of concrete structures without damaging the material. Using UPV data it is possible to check the concrete uniformity, accompany the deterioration, detect internal flaws and voids and, by means of a comparison with reference specimens, even estimate the compressive strength. The results indicate that surface mapping seems to be a better way to analyze and visualize UPV results. ASNT
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This paper deals with the interfacial effects of silica fume SF and styrene-butadiene rubber SBR on compressive strength of concrete. Analyzing the compressive strength results of 32 concrete mixes performed over two water—binder ratios 0. This understanding model might serve as useful guides for commixture concrete admixtures containing of SF and SBR. The accuracy of the proposed model is investigated. Good agreements between them are observed.
Science and Technology of Materials is the official journal of SPM, the Portuguese Society of Materials Sociedade Portuguesa de Materiais , providing a forum for publishing peer-reviewed papers related to both fundamentals of materials science and technological application of engineering materials. The scope of the journal covers a wide range of topics in materials science that are of interest to the SPM, encompassing electrochemistry, corrosion and protection of materials, extractive metallurgy and recycling, electronic and optoelectronic materials, biomaterials, forest materials, polymeric and composite materials, foundry, heat treatment and surface engineering, tribology, and fracture. Science and Technology of Materials welcomes contributions in the form of original research papers, review articles and technical notes reporting advances on those fields, emphasizing new materials, new products and devices, and new technologies. CiteScore measures average citations received per document published.
Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. Popovics Published Materials Science. This book addresses concrete strength. It contains the quantitative tools necessary to understand, assess and improve concrete quality. Chapter headings include the following: 1. Compressive Strength of Hardened Concrete; 2.
Relationship Between Composition and Strength of Concrete; and 6. Elastic Strength and Related Properties of Concrete: A Quantitative Approach.
Cement industry consumes high energy and produces major emissions to the environment. In order to reduce the effects environmental impact, energy, and resources caused by conventional materials, various by-products and pozzolonic material are used to achieve sustainable concrete. Assessing the concrete performance based on multiple conflicting attributes is decisive and compelling.
There is no standardized procedure for producing geopolymers; therefore, many researchers develop their own procedures for mixing and curing to achieve good workability and strength development. The curing scheme adopted is important in achieving maximum performance of resultant geopolymers. In this study, we evaluated the impact of sealed and unsealed curing on mechanical strength of geopolymers. Fly ash-based geopolymers cured in sealed and unsealed moulds clearly revealed that retention of water during curing resulted in superior strength development. In the unsealed specimens the average compressive strength of geopolymers was lower; ranging from 60 to 90 MPa with a slight increase as the curing period increased.