Comparison Between the Effect of Tap Water and Sea water on the Mechanical Properties of Dense - Graded Asphalt Mixtures | ||||
| ERJ. Engineering Research Journal | ||||
| Article 5, Volume 23, Issue 4, October 2000, Page 59-70 PDF (334.68 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/erjm.2000.71221 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Saad A. El-Hamrawy1; Gomaa Kh. M. Moussa2 | ||||
| 1Faculty of Engineering - Miufiya University, Shebin El-kom | ||||
| 2Faculty of Engineering - Alexandria University, Alexandria 21544 | ||||
| Abstract | ||||
| Moisture damage is a major problem for asphalt concrete pavements. Water-induced damage of asphalt mixtures produces serious distress, reduces performance and increases maintenance cost of pavements. Moisture-induced damage produces several forms of distress, including localized bleeding, rutting, shoving and ultimately complete failure as a result of permanent deformations and cracking. This damage occurs because of stripping of asphalt from aggregate. Stripping is primarily an aggregate problem, but the type of asphalt is also important. Thus it is important to evaluate both asphalt and aggregate to be used in the mixtures. Many countries lie close to seashore. The roads ofthese countries have a major problem because they are subjected to seawater and other weathering conditions. Therefore, the main objective of this research is to study the major effect of seawater on the mechanical properties of asphaltic mixtures. Also, a comparison was made between the effect of tap water and seawater on these properties. In this research Marshall -, indirect tensile strength-, and vacuum saturation tests were used under different states of curing. The study and analysis of the tests results reveals that the seawater had serious effects on the mechanical properties of dense - graded asphaltic mixtures than tap water. Also, it can be concluded that roads subjected to the seawater should receive more c6mpactive effort than others roads. | ||||
| Keywords | ||||
| materials; Dense Graded Asphaltic Mixtures; Marshall Test; Tap water; Sea water; Indirect Tensile Strength; and; Failure Strain | ||||
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