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Journal Publication
Title of Article Behavior of concrete cylinders confined with ferro-geopolymer jacket in axial compression 
Date of Acceptance 6 October 2016 
Journal
     Title of Journal KKU Engineering Journal 
     Standard TCI 
     Institute of Journal Faculty of Engineering, Khon Kaen University, Thailand 
     ISBN/ISSN  
     Volume 44 
     Issue
     Month April-June
     Year of Publication 2017 
     Page  
     Abstract It is beneficial to utilize geopolymer for rehabilitation of concrete structures for its potential properties, such as high adhesion to OPC concrete even at low degree of interface roughness, high durability and good fire resistance. This paper introduced ferro-geopolymer jacket to strengthen concrete columns; it is a kind of jacket constructed with geopolymer mortar reinforced with wire mesh. This study was conducted to investigate the behavior of concrete cylinders confined with ferro-geopolymer jacket in axial compression. OPC concrete cylinders with 100 mm diameter and 200 mm height were used. High calcium fly ash-based geopolymer mortar, activated with sodium hydroxide (NaOH) and sodium silicate (Na2SiO3), cured in room temperature of 25 ºC was used. The ferro-geopolymer jackets with 25 mm thickness, reinforced with 1, 2 and 3 layers of expanded metal mesh were casted around the concrete cylinders. The study results revealed that the compressive load carrying capacity and axial stiffness of concrete cylinders were improved. Monolithic failure mode was obtained as a result of strong adhesion between geopolymer and the concrete core. Enhancement in compressive load carrying capacity of the jacketed concrete cylinders was contributed by combination of confinement effect and the compressive load resisted by the jacket transferred from concrete core through bonding. 
     Keyword Ferro-geopolymer jacket, Compressive strength, Axial stiffness, Monolithic failure mode 
Author
575040148-1 Mr. KOTHAY HENG [Main Author]
Engineering Master's Degree

Reviewing Status มีผู้ประเมินอิสระ 
Status ได้รับการตอบรับให้ตีพิมพ์ 
Level of Publication ชาติ 
citation false 
Part of thesis true 
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