FLEXURAL PERFORMANCE OF SELF-COMPACTING CONCRETE CONTAINING CORN-COB ASH
Published In: 4TH INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL, STRUCTURAL AND MECHANICAL ENGINEERING
Author(s): ADEKUNLE P. ADEWUYI , ALEX F. ADISA , OBANISHOLA M. SADIQ , OLADIPUPO S. OLAFUSI , OLUBAYO T. OLATEJU
Abstract: The use of supplementary cementitious materials (SCMs) in Self-compacting concrete (SCC) is becoming popular in civil engineering research and developments. This is mostly due to the enhanced rheological characteristics and economic benefits influenced by the inclusion of these SCMs in SCC works. This study experimentally investigated the flexural performance and deformation characteristics of self-compacting concrete (SCC) containing corn-cob ash (CCA). A total of twelve SCC mixes were investigated - eight mixes of CCA blended SCC containing admixtures and two non-CCA blended-SCC mixes with and without admixtures were studied and flexural behavior of 150 × 150 × 600 mm reinforced concrete beam specimens investigated. Although, the control SCC had higher ultimate failure load than the CCA blended SCC, failure loads of all the mixes increased with increased water-binder ratio and CCA blended SCC had better durability properties in first crack development than the control SCC, and their
- Publication Date: 18-Mar-2016
- DOI: 10.15224/978-1-63248-093-4-20
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APPLICATION OF NANOTECHNOLOGY TO IMPROVE THE PERFORMANCE OF ASPHALT MATERIALS
Published In: 4TH INTERNATIONAL CONFERENCE ON ADVANCES IN CIVIL, STRUCTURAL AND MECHANICAL ENGINEERING
Author(s): ABDULLAH ABDELALEEMABOU KHADRAH
Abstract: Nanotechnology has been gradually penetrated into the field of asphalt modification. Seemingly magic effects of nanomaterial have been brought to improve the performance of asphalt. To demonstrate many of the prospective applications, researchers have conducted a series of positive and effective efforts dealing with the preparation of modified asphalt to demonstrate the mechanism of modification and the resultant improvement in performance. In this review, various nanomaterial used in asphalt modification are initially presented, followed by the methods employed to modify the asphalt with these materials and finally the effects of nanomaterial on the performance of base asphalt are presented and the modification mechanisms are discussed. Based on the current research results, the influence of preparation process parameters on the compatibility of every phase in the modified bitumen and the stability of the modified asphalt system are described.
- Publication Date: 18-Mar-2016
- DOI: 10.15224/978-1-63248-093-4-21
- Views: 0
- Downloads: 0