Cracking Evaluation of Semi-Flexible Pavement Mixture Comparison Bitumen Emulsion Modified Grout

Jawad, Fatima Ali; Al-Busaltan, Shakir

doi:10.63463/kjes1035

	Cracking Evaluation of Semi-Flexible Pavement Mixture Comparison Bitumen Emulsion Modified Grout
Kerbala Journal for Engineering Sciences (KJES)
Article 7, Volume 1, Issue 2, 2021, Pages 202-215 PDF (471.19 K)
Document Type: Research Article
DOI: 10.63463/kjes1035
Authors
Fatima Ali Jawad^* ¹; Shakir Al-Busaltan²
¹Department of Civil Engineering, College of Engineering, University of Kerbala, Karbala, Iraq
²Department of Civil Engineering, University of Kerbala, Karbala, Iraq
Abstract
Due to its excellent load bearing capability, semi-flexible pavement (SFP) has received a lot of attention in recent years. Its strength, rutting resistance, and constituent composition are all thoroughly investigated during examinations. However, there is a lack of knowledge on its cracking capability and mechanism. An indirect tensile strength test (ITS) and a tensile strength ratio (TSR) are used to assess the cracking ability of SFP mixtures in this paper. When a porous asphalt skeleton is filled with cement-based grouting material, semi-flexible pavement (SFP) has been found to operate effectively in the severely loaded roadway and airport pavement construction. The results showed that the ITS is high for the mixtures without emulsion, and when to increase emulsion the ITS decrease. The highest values for ITS are for the mixture without emulsion (M1) while the lowest values for ITS are for mixtures containing 60% EM. Moreover, the addition emulsion to the mixture improved TSR and using 60% emulsion give the high for TSR.
Keywords
Keywords: emulsion,,; ,،,؛semi-flexible pavement,,; ,،,؛silica fume,,; ,،,؛indirect tensile strength,,; ,،,؛tensile strength ratio

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