Please use this identifier to cite or link to this item: http://ir.futminna.edu.ng:8080/jspui/handle/123456789/8660
Full metadata record
DC FieldValueLanguage
dc.contributor.authorOlawuyi, Babatunde J.-
dc.contributor.authorBoshoff, William P.-
dc.date.accessioned2021-07-12T08:31:43Z-
dc.date.available2021-07-12T08:31:43Z-
dc.date.issued2017-
dc.identifier.citationOlawuyi B.J. & Boshoff, W.P. (2017)en_US
dc.identifier.urihttp://repository.futminna.edu.ng:8080/jspui/handle/123456789/8660-
dc.description.abstractIncorporating Superabsorbents Polymers (SAP) as internal curing agents (IC-agents) in high-performance concrete (HPC) for mitigation of autogenous shrinkage is one new trend in concrete practice. SAP’s water absorption and desorption as cement hydrates however leave microvoids within the concrete which can negatively influence the mechanical properties of HPC. The SAP content, sizes, binder composition, solid constituents of concrete, and curing age could be of direct influence on the resultant air voids sizes and its distribution in concrete. This paper, therefore, reports on three dimensional (3D) volume analysis of the influence of SAP contents and curing age on air voids distribution in HPC. Four HPC mixtures with different binder constituents and water/binder (W/B): M1F and M1S (0.2), M2 (0.25), and M3 (0.3) were tested with two-grain sizes of SAP (SP1 6 300 lm and SP2 6 600 lm). The SAP contents were also varied (0%; 0.2%; 0.3%; and 0.4%) by weight of binder. Concrete cylinders (50 mm b 100 mm) were cast and cured in water for different ages (7, 28, 56, and 90 days) before the hardened HPC was subjected to X-ray computed tomography (CT) scanning for determination of the air void distribution. The analyzed 3D X-ray images gave results on SAP grain sizes, SAP air voids, distribution, and volume in the HPC with the respective influence of binder type, W/B, and curing age assessed.en_US
dc.description.sponsorshipSNF Floerger – ZAC de Milieux, 42163 ANDREZIEUX Cedex – FRANCE: Davy Penhard, FEI Visualisation Science Group; Dr. Anton du Plessis and Stephan le Roux, CT, Scanner Unit, Central Analytical Facilities (CAF), Stellenbosch University, South Africaen_US
dc.language.isoenen_US
dc.publisherConstruction and Building Materials (Science Direct - Elsevier)en_US
dc.relation.ispartofseries135;-
dc.subjectComputed tomography (CT) scanning, 3D-void analysis, High-performance concrete, Air void distribution, Super-absorbent Polymers (SAP), SAP content, Binder type, Curing ageen_US
dc.titleInfluence of SAP Contents and Curing Age on Air Void Distribution of High Performance Concrete using 3D Volume Analysisen_US
dc.typeArticleen_US
Appears in Collections:Building



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.