期刊
CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY
卷 20, 期 5, 页码 1097-1103出版社
SPRINGER
DOI: 10.1007/s10098-018-1532-4
关键词
Fire-resistant brick; High-calcium fly ash; Geopolymer; Outdoor heat exposure
资金
- Thailand Research Fund (TRF)
- Faculty of Science, Burapha University, under TRF Research Scholar Contract [RSA5880001]
This research proposed an alternative utilization of high-calcium fly ash to produce geopolymer bricks for fire-resistant applications. Outdoor heat exposure (OHE) was applied to cure geopolymer mortar. The temperature was up to 40 A degrees C. Geopolymer brick was created with a 30-day compressive strength of 47 MPa via OHE curing for 3 days. The brick experienced a low weight loss after the firing test, which indicated its fire-resistant property. For the flame test, the maximum temperature on the opposite side of the brick from the flame was lower than 380 A degrees C, with no observable cracks, complying with the fire-test requirement. Therefore, high-calcium fly ash geopolymer cured with OHE is suitable for use as a fire-resistant material. In addition, outdoor heat exposure is a promising renewable means to cure geopolymer.
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