Abstract

The increase in the development of the construction projects in Egypt during the last few years has increased the need for large quantities of concrete aggregates. The common types of aggregates such as natural and industrial gravel, which were widely used for a long time in many projects, became in severe shortage and were unavailable in many parts of our country. Moreover, the transport of high quality aggregates from far quarries was found impractical and costly. Many types of aggregates composed from carbonate or basaltic rocks became widely used. In the present study, the physical, Geomechanical and chemical properties of Maghra Al Hadida Formation at Gabel Shabrawet were investigated. Bulk specific gravity (SSD), water absorption, sieve analysis, Los Angeles abrasion test, soundness, clay lump and friable particles, flakiness and elongation, XRD and DRF indices of coarse aggregate were evaluated and suitable for road construction and concrete industry. Nearly all the samples were found within the specified limits of ASTM specifications and are appropriate material for concrete, asphalt and suitable as dimension stone.

Highlights

  • The Egyptian government and the private sectors have moved toward the new area by establishing lots of new road networks, different types of projects (industrial zones, new urbanization areas e.g. (New Cairo, 6th October) cities and agricultural activities)

  • In Egypt, natural aggregates are widely distributed with a huge range of potential sources, that of low-cost products and they play an important role in the growth of the Egyptian economy

  • This paper focuses on suitability of aggregates of Magra El Hadida Formation at Gabel Shabrawet in asphaltic mixtures and concrete depending on their physical, mechanical, and mineralogical properties

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Summary

Introduction

The Egyptian government and the private sectors have moved toward the new area by establishing lots of new road networks, different types of projects (industrial zones, new urbanization areas e.g. (New Cairo, 6th October) cities and agricultural activities). (New Cairo, 6th October) cities and agricultural activities) This will increase the ability of the country to advance and develop. In Egypt, natural aggregates are widely distributed with a huge range of potential sources, that of low-cost products and they play an important role in the growth of the Egyptian economy. This paper focuses on suitability of aggregates of Magra El Hadida Formation at Gabel Shabrawet in asphaltic mixtures and concrete depending on their physical, mechanical, and mineralogical properties. This subject is a challenge in Egypt and needs intensive effort to end up with the Egyptian aggregate formulation

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