Mechanical Behaviour and Microstructural Investigation of Geopolymer Concrete After Exposure to Elevated Temperatures

被引:55
|
作者
Hassan, Amer [1 ]
Arif, Mohammed [2 ]
Shariq, M. [1 ]
机构
[1] Aligarh Muslim Univ, Zakir Husain Coll Engn & Technol, Dept Civil Engn, Aligarh 202002, Uttar Pradesh, India
[2] Qassim Univ, Coll Engn, Dept Civil Engn, Buraydah 51452, Saudi Arabia
关键词
Alkaline solution; Geopolymer concrete; Fire resistance; Elevated temperature; Fly ash; FLY-ASH; THERMAL PERFORMANCE; CEMENT; STRENGTH; BINDERS; SLAG;
D O I
10.1007/s13369-019-04269-9
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
In the present study, the mechanical properties and microstructure of the geopolymer concrete (GPC) after exposure to elevated temperatures have been investigated. The GPC and ordinary Portland cement (OPC) concrete specimens were exposed to high temperatures and tested for the mechanical properties and microstructure. The findings of this investigation indicate that the GPC has better compressive strength, develops minor cracks, and undergoes slight damage in the mass at the elevated temperature as compared to OPC concrete. For ambient-cured and heat-cured conditions, the experimental results of the GPC after exposure to high temperatures (600 degrees C onward) show almost the same mechanical properties, while the OPC concrete significantly loses the strength along with large cracks developed above 400 degrees C. Moreover, the scanning electron microscope test shows that the OPC concrete developed a lot of cracks and started losing the bonds between the matrix at 400 degrees C, while the GPC holds over its strength until 800 degrees C.
引用
收藏
页码:3843 / 3861
页数:19
相关论文
共 50 条
  • [1] Mechanical Behaviour and Microstructural Investigation of Geopolymer Concrete After Exposure to Elevated Temperatures
    Amer Hassan
    Mohammed Arif
    M. Shariq
    [J]. Arabian Journal for Science and Engineering, 2020, 45 : 3843 - 3861
  • [2] Behaviour of Geopolymer Mortars after Exposure to Elevated Temperatures
    Kaya, Mehmet
    Uysal, Mucteba
    Yilmaz, Kemalettin
    Atis, Cengiz Duran
    [J]. MATERIALS SCIENCE-MEDZIAGOTYRA, 2018, 24 (04): : 428 - 436
  • [3] Mechanical and Microstructural Evaluations of Lightweight Aggregate Geopolymer Concrete before and after Exposed to Elevated Temperatures
    Abdulkareem, Omar A.
    Abdullah, Mohd Mustafa Al Bakri
    Hussin, Kamarudin
    Ismail, Khairul Nizar
    Binhussain, Mohammed
    [J]. MATERIALS, 2013, 6 (10): : 4450 - 4461
  • [4] Flexural Behaviour of Combined FA/GGBFS Geopolymer Concrete Beams after Exposure to Elevated Temperatures
    Ren, Jun-ru
    Chen, Hui-guo
    Sun, Tao
    Song, Hao
    Wang, Miao-shuo
    [J]. ADVANCES IN MATERIALS SCIENCE AND ENGINEERING, 2017, 2017
  • [5] Mechanical Properties of Geopolymer Mortar after Exposure to Elevated Temperatures
    Zhang, Hai Yan
    Kodur, Venkatesh
    Cao, Liang
    [J]. RESPONSE OF STRUCTURES UNDER EXTREME LOADING, 2015, : 213 - 220
  • [6] Mechanical and Microstructural Characterization of Quarry Rock Dust Incorporated Steel Fiber Reinforced Geopolymer Concrete and Residual Properties after Exposure to Elevated Temperatures
    Ibraheem, Muhammad
    Butt, Faheem
    Waqas, Rana Muhammad
    Hussain, Khadim
    Tufail, Rana Faisal
    Ahmad, Naveed
    Usanova, Ksenia
    Musarat, Muhammad Ali
    [J]. MATERIALS, 2021, 14 (22)
  • [7] Dynamic compressive behaviour of concrete after exposure to elevated temperatures
    Ren, Weibo
    Xu, Jinyu
    Su, Haoyang
    [J]. MATERIALS AND STRUCTURES, 2016, 49 (08) : 3321 - 3334
  • [8] Dynamic compressive behaviour of concrete after exposure to elevated temperatures
    Weibo Ren
    Jinyu Xu
    Haoyang Su
    [J]. Materials and Structures, 2016, 49 : 3321 - 3334
  • [9] Behaviour of Geopolymer Concrete Two-Way Slabs Reinforced by FRP Bars After Exposure to Elevated Temperatures
    Sarwar H. Mohmmad
    Mehmet E. Gülşan
    Abdulkadir Çevik
    [J]. Arabian Journal for Science and Engineering, 2022, 47 : 12399 - 12421
  • [10] Behaviour of Geopolymer Concrete Two-Way Slabs Reinforced by FRP Bars After Exposure to Elevated Temperatures
    Mohmmad, Sarwar H.
    Gulsan, Mehmet E.
    Cevik, Abdulkadir
    [J]. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING, 2022, 47 (10) : 12399 - 12421