A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Petrographic, mechanical and chemical properties of major coarse aggregate resources in Lebanon, eastern Mediterranean
Abstract In a previous study to locate the major coarse aggregate resources currently being exploited in the Lebanon, 20 major operating quarrying sites were located, described and sampled. This paper reports the evaluation of these samples, based on petrographic analysis and mechanical and chemical acceptance tests as well as the results of tests conducted on fresh and hardened concrete samples made with various types of coarse aggregate. In general, the samples were of good quality and suitable for use in concrete although the grading of the aggregates varied widely between quarries and some samples were found to be gap graded. Only the material from Berquayel failed the soundness test. Cherts were identified in some of the samples, leading to the conclusion that alkali-aggregate reactions might occur in these rocks. The results of the concrete tests showed that the measured concrete stiffness was in many cases slightly lower than the anticipated theoretical value. It is hoped that the results of the study will provide valuable assistance to all those involved in the construction industry, including engineers, contractors, ready-mix plant operators and government officials.
Petrographic, mechanical and chemical properties of major coarse aggregate resources in Lebanon, eastern Mediterranean
Abstract In a previous study to locate the major coarse aggregate resources currently being exploited in the Lebanon, 20 major operating quarrying sites were located, described and sampled. This paper reports the evaluation of these samples, based on petrographic analysis and mechanical and chemical acceptance tests as well as the results of tests conducted on fresh and hardened concrete samples made with various types of coarse aggregate. In general, the samples were of good quality and suitable for use in concrete although the grading of the aggregates varied widely between quarries and some samples were found to be gap graded. Only the material from Berquayel failed the soundness test. Cherts were identified in some of the samples, leading to the conclusion that alkali-aggregate reactions might occur in these rocks. The results of the concrete tests showed that the measured concrete stiffness was in many cases slightly lower than the anticipated theoretical value. It is hoped that the results of the study will provide valuable assistance to all those involved in the construction industry, including engineers, contractors, ready-mix plant operators and government officials.
Petrographic, mechanical and chemical properties of major coarse aggregate resources in Lebanon, eastern Mediterranean
Hamad, B. S. (author) / Khoury, G. R. (author) / Khatib, H. (author)
2001
Article (Journal)
English
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