Engineering Characteristics of widely used Coarse Aggregates in Pakistan: A Comparative Study
Abstract
Pakistan has vast potential of concrete aggregates due to having numerous mountainous ranges. However, the properties of these aggregates are yet to be explored as scant research has been carried out in this area. In this study, an experimental approach was adopted to compare the engineering properties of widely used coarse aggregates in Pakistan. Aggregate samples were gathered from four various quarries in accordance with ASTM sampling procedure and their physical as well as mechanical properties were evaluated through laboratory testing according to ASTM and BS standards. Tests were performed on Margalla, Sargodha, Barnalla and Mangla crushes. Different concrete specimens were also prepared using the above mentioned aggregates and tested for their mechanical properties (compressive, tensile and flexural strengths). Test results revealed that the aggregates from evaluated quarries are suitable to be used in concrete. Each sample of aggregates have different characteristics which is very important keeping in view the type of construction, economy and its environment. It was observed that Margalla aggregates resulted in better concrete mechanical properties, while Sargodha aggregates showed improved physical characteristics.References
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[15] Alexander M., Mindess S. Aggregates in Concrete. 13th Ed. Modern Concrete Technology, 2005, USA.
[16] WAPDA. Study Report, Concrete Materials Studies, Mangla Dam Raising Project, 2004.
[17] Islam M.J., Meherier M.S., Islam A.K.M.R. Effects of waste PET as coarse aggregate on the fresh and harden properties of concrete. Construction and Building Materials, Vol. 125, 2016, pp. 946–951.
[18] Zainab Z.I., Enas A.A. Use of waste plastic in concrete mixture as aggregate replacement. Waste Management, Vol. 28, 2008, pp. 2041–2047.
[19] Kaplan M. Flexural and compressive strength of concrete as affected by the properties of coarse aggregates. Journal American Concrete Institute, Vol. 55, 1959, pp. 1193–1208
[2] Munir M.J., Qazi A.U., Kazmi S.M.S., Khitab A., Ashiq S.Z., Ahmed I. A literature review on alkali silica reactivity of concrete in Pakistan. Pakistan Journal of Science, Vol. 68, No. 1, 2016, pp. 53-62.
[3] Ayub M., Ali Q., Shahzada K., Naseer A., Shoaib M., Ayub U. Engineering assessment of coarse aggregates used in Peshawar. International Journal of Advanced Structures and Geotechnical Engineering, Vol. 1, No. 2, 2012, pp. 61-64.
[4] Siddiqi Z., Hameed R., Saleem M., Khan Q., Ishaq I. Performance study of locally available coarse aggregates of Azad Kashmir. Pakistan Journal of Engineering and Applied Sciences, Vol. 65, No. 1, 2013, pp. 90-94.
[5] ACI Committee 221. Guide for use of normal weight aggregate in concrete. ACI manual of concrete practice, Part 1, 2001, Farmington Hills (MI).
[6] ACI Committee 363. State-of-the art report on high strength concrete. ACI manual of concrete practice, Part 1, 2001, Farmington Hills (MI).
[7] Al-Oraimi S., Taha R., Hassan H. The effect of the mineralogy of coarse aggregate on the mechanical properties of high-strength concrete. Construction and Building Materials, Vol. 20, 2006, pp. 499-503.
[8] Elsharief A., Cohen M., Olek J. Influence of aggregate size, water cement ratio and age on the microstructure of the interfacial transition zone. Cement and Concrete Research, Vol. 33, No. 11, 2003, pp. 1837- 1849.
[9] Beshr H., Almusallam A., Maslehuddin M. Effect of coarse aggregate quality on the mechanical properties of high strength concrete. Construction and Building Materials, Vol. 17, No. 2, 2003, pp. 97–103.
[10] Abdullahi M. Effect of aggregate type on Compressive strength of concrete. International Journal of Civil and Structural Engineering, Vol. 2, No. 3, 2012, pp. 791-800.
[11] Basheer L., Basheer P., Long A. Influence of coarse aggregate on the permeation, durability and the microstructure characteristics of ordinary Portland cement concrete. Construction and Building Materials, Vol. 19, No. 9, 2005, pp. 682-690.
[12] Neville A. Properties of Concrete. 2nd Ed. Pearson education limited. London, 2010.
[13] Ukpata J., Ephraim M., Akeke G. Compressive strength of concrete using lateritic sand and quarry dust as fine aggregate. ARPN Journal of Engineering and Applied Sciences, Vol. 7, No. 1, 2012, pp. 81-92.
[14] Tasong W., Lynsdale C., Cripps J. Aggregate-cement paste interface. Influence of aggregate physical properties. Cement and Concrete Research, Vol. 28, No. 10, 1998, pp. 1453-1465.
[15] Alexander M., Mindess S. Aggregates in Concrete. 13th Ed. Modern Concrete Technology, 2005, USA.
[16] WAPDA. Study Report, Concrete Materials Studies, Mangla Dam Raising Project, 2004.
[17] Islam M.J., Meherier M.S., Islam A.K.M.R. Effects of waste PET as coarse aggregate on the fresh and harden properties of concrete. Construction and Building Materials, Vol. 125, 2016, pp. 946–951.
[18] Zainab Z.I., Enas A.A. Use of waste plastic in concrete mixture as aggregate replacement. Waste Management, Vol. 28, 2008, pp. 2041–2047.
[19] Kaplan M. Flexural and compressive strength of concrete as affected by the properties of coarse aggregates. Journal American Concrete Institute, Vol. 55, 1959, pp. 1193–1208
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Published
2017-02-15
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Civil Engineering,Structures, Construction, Geo technology, Water, Transportation
