A study of steel wire mesh reinforced high performance geopolymer concrete slabs under blast loading. (10th February 2019)

• Record Type: Journal Article
• Authors: Meng, Qingfei; Wu, Chengqing; Su, Yu; Li, Jun; Liu, Jian; Pang, Jiabao
• Is Part Of: Journal of cleaner production. Volume 210(2019)
• Page Start: 1150
• Page End: 1163
• Publication Date: 2019-02-10
• Subjects: Factory and trade waste -- Management -- Periodicals; Manufactures -- Environmental aspects -- Periodicals; Déchets industriels -- Gestion -- Périodiques; Usines -- Aspect de l'environnement -- Périodiques; 628.5
• DOI: 10.1016/j.jclepro.2018.11.083
• Languages: English
• ISSNs: 0959-6526

Abstract

Abstract: In this study, a novel green construction material, high performance alkali-activated geopolymer concrete is introduced. Both numerically and experimentally investigations were conducted on a new type of structural slabs made of steel wire mesh reinforced geopolymer concrete against close-in ground surface explosion. Steel rebar reinforced conventional concrete slabs are also studied to compare the results. The experimental investigation was conducted to study the slab damage mechanism. It is found that the steel wire mesh reinforced geopolymer concrete slab showed less damage and fragmentation under 50 kg Trinitrotoluene (TNT) blast load within 3 m, 5 m and 7 m distances as compared to the C30 concrete slab. Numerical analysis was then conducted to further investigate the slab dynamic responses. Combining the steel wire mesh reinforcement with geopolymer concrete can help increase the blast resistance capacity leading to promising and environmental friendly structural protective design. Graphical abstract: Highlights: High performance green geopolymer concrete was used on testing specimens. Steel wire mesh reinforced geopolymer concrete slab against TNT blast was studied. Both numerical and experimental tests were carried out in this study. The failure and damage modes of specimen were observed compared and discussed.