TY - GEN
T1 - Development of Rapid-Setting Repair Materials Through One-Part Geopolymer Technology
AU - Lee, Wei Hao
AU - Tsai, Ying Kuan
AU - Chen, Chien Chin
AU - Gao, De Wei
N1 - Publisher Copyright:
© The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.
PY - 2024
Y1 - 2024
N2 - The development of geopolymer materials has been over 35 years. Compared with ordinary portland cement (OPC), geopolymer materials have many excellent properties such as high-early strength, nice durability, low carbon emission…etc. Therefore, geopolymer materials have great potential to replace OPC. In particular, geopolymer’s high early strength characteristics are very suitable as repair materials. However, the traditional geopolymer manufacturing process is mixed alkaline solution and aluminosilicate materials. The transportation and storage of alkaline solution will cause a significant burden on the factory, limiting the application and market willingness of geopolymer material. This study focuses on using solid-state activator to develop one-part geopolymer, which is “only adding water” to produce geopolymer. This study will try to develop [Rapid-setting repair geopolymer paste] and [Rapid-setting repair geopolymer mortar] and discuss the effect of solid activator dosage amount, type of solid activator, and solid activator fineness on the mechanical and workability properties of geopolymer materials. According to the experiment results, after curing for 2h, the compressive strength of [Rapid-setting repair geopolymer paste] can reach over 30 MPa, and the compressive strength can reach 100 Mpa after curing for 28 days. The compressive and flexural strength of [Rapid-setting repair geopolymer mortar] can reach over 60 and 10MPa, after curing for the day. The shrinkage rate can be controlled at lower than 0.1%. This study succeeded in developing a suitable repair material using one-part geopolymer technology. It is hoped that the practical application can be carried out after more testing in the future.
AB - The development of geopolymer materials has been over 35 years. Compared with ordinary portland cement (OPC), geopolymer materials have many excellent properties such as high-early strength, nice durability, low carbon emission…etc. Therefore, geopolymer materials have great potential to replace OPC. In particular, geopolymer’s high early strength characteristics are very suitable as repair materials. However, the traditional geopolymer manufacturing process is mixed alkaline solution and aluminosilicate materials. The transportation and storage of alkaline solution will cause a significant burden on the factory, limiting the application and market willingness of geopolymer material. This study focuses on using solid-state activator to develop one-part geopolymer, which is “only adding water” to produce geopolymer. This study will try to develop [Rapid-setting repair geopolymer paste] and [Rapid-setting repair geopolymer mortar] and discuss the effect of solid activator dosage amount, type of solid activator, and solid activator fineness on the mechanical and workability properties of geopolymer materials. According to the experiment results, after curing for 2h, the compressive strength of [Rapid-setting repair geopolymer paste] can reach over 30 MPa, and the compressive strength can reach 100 Mpa after curing for 28 days. The compressive and flexural strength of [Rapid-setting repair geopolymer mortar] can reach over 60 and 10MPa, after curing for the day. The shrinkage rate can be controlled at lower than 0.1%. This study succeeded in developing a suitable repair material using one-part geopolymer technology. It is hoped that the practical application can be carried out after more testing in the future.
KW - Geopolymer
KW - High early strength
KW - Pavement repair materials
UR - http://www.scopus.com/inward/record.url?scp=85185830939&partnerID=8YFLogxK
U2 - 10.1007/978-981-99-6368-3_13
DO - 10.1007/978-981-99-6368-3_13
M3 - Conference contribution
AN - SCOPUS:85185830939
SN - 9789819963676
T3 - Lecture Notes in Civil Engineering
SP - 145
EP - 156
BT - Proceedings of the 3rd International Civil Engineering and Architecture Conference - CEAC 2023
A2 - Casini, Marco
PB - Springer Science and Business Media Deutschland GmbH
T2 - 3rd International Civil Engineering and Architecture Conference, CEAC 2023
Y2 - 17 March 2023 through 20 March 2023
ER -