EVALUATION OF USING A WHITE GRAVEL OF KERBALA QUARRIES IN ASPHALT MIX

M.L. Al Maimuri, Najah; K.  Abed Al-Kafaji, Mohammed; Adi,; Hadi  M. Al, Abdul

	EVALUATION OF USING A WHITE GRAVEL OF KERBALA QUARRIES IN ASPHALT MIX
AL-TAQANI
Article 1, Volume 24, Issue 3, 2011, Pages 117-127
Authors
Najah M.L. Al Maimuri; Mohammed K. Abed Al-Kafaji; ; Abdul Hadi M. Al
Abstract
The basic purpose of this research is focused to assess the possibility of using a white gravel as a coarse aggregate in the asphaltic mixes which practically in turn reduce the eventual construction costs of the asphaltic roads in many cities at the middle of Iraq through evaluating their physical properties. Three different local types of aggregates are selected from the middle and northern-west of Iraq and used in this laboratorial analysis; those are White Crushed Gravel (WCG), White Rounded Gravel (WRG) and Black Uncrushed (Rounded) Gravel (BRG). Strength, extraction and stripping tests are conducted in evaluating the resulted physical properties of the produced asphaltic mixes. The results of the laboratorial tests indicate that White Crushed Gravel (WCG) which is used as a coarse aggregate in the asphaltic mixes yields maximum Marshal Strength and minimum Marshal Flow of 8.3KN and 2.2mm respectively associated with an asphaltic mixing content of 5% of the total mixing weight, whereas BRG yields minimum Marshal Strength and maximum Marshal Flow of 6.8KN and 2.4mm respectively occurred with asphaltic mixing content of 4%. White Crushed Gravel (WCG) gives an Index of Retained Strength of 94.7% with 5% asphaltic mixing content whereas Black rounded Gravel (BRG) yields 91.4% Index of Retained Strength occurred with 4% asphaltic mixing content. .

Statistics Article View: 110 PDF Download: 80