Staff Members - Benha University
EFFECT OF CHEMICAL ADDITIVES ON ENGINEERING PROPERTIES OF BASE AND SUB-BASE LAYERS
International Journal of Civil Engineering (IJCE) • 2016
Publication Information
Authors
ALNOS HEGAZY1 AHMED MOHAMADY2 AHMED GAMAL, AYMAN SALM
Keywords
Bitumen, CBR, Crushed Stone, Lime, Sodium Chloride, Stabilization, Strength Improvement
Journal
International Journal of Civil Engineering (IJCE)
Publisher
International Academy of Science, Engineering and Technology
Volume
5
Issue
5
Pages
12
publication.type
International
Paper Link
Open Link
Supplementary Materials
Not Available
Abstract
The main objective of this work was to analyze the use of lime, bitumen and sodium chloride in base course
material stabilization. Evaluation of strength properties of stabilized soil materials conducted by California Bearing Ratio
(CBR) test. The material used in this research is crushed stone used as base and sub-base layers. The obtained results
present that the lime has significant effect on strength improvement of stabilized layer. Also, 9% lime content is
recommended to be the optimum to increase the bearing capacity as this content verifies standard specification of base
layer which must be not less than 80% of CBR value. While emulsion bitumen and sodium chloride have positive effect on
strength improvement, but not enough with respect to standard specification for stabilizing base course material.
Consequently it should use another stabilizer with bitumen or sodium chloride to obtain required results for increasing
strength of the stabilized layer.
material stabilization. Evaluation of strength properties of stabilized soil materials conducted by California Bearing Ratio
(CBR) test. The material used in this research is crushed stone used as base and sub-base layers. The obtained results
present that the lime has significant effect on strength improvement of stabilized layer. Also, 9% lime content is
recommended to be the optimum to increase the bearing capacity as this content verifies standard specification of base
layer which must be not less than 80% of CBR value. While emulsion bitumen and sodium chloride have positive effect on
strength improvement, but not enough with respect to standard specification for stabilizing base course material.
Consequently it should use another stabilizer with bitumen or sodium chloride to obtain required results for increasing
strength of the stabilized layer.