Ahmed, A., Abdel kareem, K., Altohamy, A., Rizk, S. (2014). POTENTIAL USE OF MINES AND QUARRIES SOLID WASTE IN ROAD CONSTRUCTION AND AS REPLACEMENT SOIL UNDRE FOUNDATIONS. JES. Journal of Engineering Sciences, 42(No 4), 1094-1105. doi: 10.21608/jesaun.2014.115043
Ahmed Abdul Mageed Ahmed; Khairy Hassan Abdel kareem; Ahmed Mohamed Altohamy; Sherein Ahmed Mohamed Rizk. "POTENTIAL USE OF MINES AND QUARRIES SOLID WASTE IN ROAD CONSTRUCTION AND AS REPLACEMENT SOIL UNDRE FOUNDATIONS". JES. Journal of Engineering Sciences, 42, No 4, 2014, 1094-1105. doi: 10.21608/jesaun.2014.115043
Ahmed, A., Abdel kareem, K., Altohamy, A., Rizk, S. (2014). 'POTENTIAL USE OF MINES AND QUARRIES SOLID WASTE IN ROAD CONSTRUCTION AND AS REPLACEMENT SOIL UNDRE FOUNDATIONS', JES. Journal of Engineering Sciences, 42(No 4), pp. 1094-1105. doi: 10.21608/jesaun.2014.115043
Ahmed, A., Abdel kareem, K., Altohamy, A., Rizk, S. POTENTIAL USE OF MINES AND QUARRIES SOLID WASTE IN ROAD CONSTRUCTION AND AS REPLACEMENT SOIL UNDRE FOUNDATIONS. JES. Journal of Engineering Sciences, 2014; 42(No 4): 1094-1105. doi: 10.21608/jesaun.2014.115043
POTENTIAL USE OF MINES AND QUARRIES SOLID WASTE IN ROAD CONSTRUCTION AND AS REPLACEMENT SOIL UNDRE FOUNDATIONS
In Egypt, large quantities of coarse solid wastes are produced annually during the processing of phosphate ores and quarrying operations of marble and granite rocks. These wastes are stored in piles around or near mine sites, which are aesthetically unattractive and often degrading the environment. Various solutions have been sought for this major environmental problem and the best solution found is recycling. However, these wastes , because of their similarity to the conventional aggregates , represent a potentially useful source of material for a variety of applications ( in roadbed and dam construction , as railroad ballast ,as aggregate in concrete and asphalt mixes , …) The main purpose of this research is to investigate the possibility of utilizing the above mentioned three waste materials in road construction (base and sub base) and as a replacement layers for the problematic soil in foundations. Experimental tests were carried out on these wastes to assess their physical, mechanical and chemical properties, according to the Egyptian standards. The modified proctor and California bearing ratio (CBR) are the most important tests of soil compaction to assess the suitability of any waste materials. The CBR value of phosphate waste is 88% , 95% for crushed marble and about 41% for crushed granite. The obtained results proved that these kinds of wastes can be used in base and sub-base layers in road construction and as replacement soil under foundations. The potential uses of these wastes are considered beneficial from the economic and environmental points of view and saving the natural resources of aggregate.
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