Cracking Evaluation of Semi-Flexible Mixture Comparison Sustainable Modified Cementitious Grout | ||
Kerbala Journal for Engineering Sciences | ||
Article 8, Volume 1, Issue 2, December 2021, Pages 216-232 PDF (565.04 K) | ||
Document Type: Research Article | ||
Authors | ||
Karrar Mohsen* 1; Shakir Al-Busaltan2; Mustafa Amoori Kadhim2 | ||
1Department of Civil Engineering, College of Engineering, University of Kerbala, Karbala, iraq | ||
2Department of Civil Engineering, College of Engineering, University of Kerbala, Karbala, Iraq. | ||
Abstract | ||
Semi-flexible pavement (SFP) get high importance in recent years due to its high traffic load capacity. Its strength, rutting resistance, and component structure have been explored comprehensively in think. In any case, understanding its cracking execution and instrument is restricted. To this end, this paper assesses the cracking execution of the SFP mixture by utilizing the indirect tensile strength test (ITS). Both ITS monotonic and tensile strength ratio TSR tests are utilized to characterize the cracking resistance of SFP mixtures with several kinds of grout materials. Ordinary Portland Cement (OPC), silica fume (SF), palm frond waste ash (PFWA), superplasticizer (SP), and water are all used in a sustainable modified grout which incorporate w-LDPE (waste-low density polyethene) modified asphalt binder. ITS comes about to appear that the addition of 10% PFWA is the best grout content to be used for cracking resistance for SFP. The cracking resistance of sustainable modified cementitious grout and modified asphalt binder used for SFP is profoundly influenced by grout ingredient sorts, dosage and properties. | ||
Keywords | ||
Cracking; indirect tensile strength; tensile strength ratio; modified asphalt binder; palm frond waste ash | ||
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