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Degradation of limestone calcined clay cement (LC3) mortars under sulfate attack
Limestone Calcined Clay Cement (LC3 is a newly proposed low-carbon cement, which can effectively reduce energy consumption and carbon emissions of the traditional cement industry without changing the basic mechanical properties of cement-based materials. In this study, the degradation process of mortar samples of limestone and calcined clay cementitious material under sulfate attack is studied by both macroscopic and microscopic analysis. The results show that compared with pure Portland cement, the addition of calcined clay and limestone can significantly reduce the expansion rate, loss of dynamic modulus and mass loss of mortar specimens under sulfate attack. The addition of calcined clay and limestone will refine the pore size distribution of mortar specimens, then inhibiting the diffusion of sulfate and formation of corrosive products, therefore leading to a significant improvement of the sulfate resistance.
Degradation of limestone calcined clay cement (LC3) mortars under sulfate attack
Limestone Calcined Clay Cement (LC3 is a newly proposed low-carbon cement, which can effectively reduce energy consumption and carbon emissions of the traditional cement industry without changing the basic mechanical properties of cement-based materials. In this study, the degradation process of mortar samples of limestone and calcined clay cementitious material under sulfate attack is studied by both macroscopic and microscopic analysis. The results show that compared with pure Portland cement, the addition of calcined clay and limestone can significantly reduce the expansion rate, loss of dynamic modulus and mass loss of mortar specimens under sulfate attack. The addition of calcined clay and limestone will refine the pore size distribution of mortar specimens, then inhibiting the diffusion of sulfate and formation of corrosive products, therefore leading to a significant improvement of the sulfate resistance.
Degradation of limestone calcined clay cement (LC3) mortars under sulfate attack
Low-carbon Mater. Green Constr.
Yu, Cheng (author) / Li, Zhen (author) / Liu, Jiaping (author)
2023-02-01
Article (Journal)
Electronic Resource
English
Limestone Calcined Clay Cement (LC<sup>3</sup>) , Sulfate attack , Expansion , Sulfate penetration profiles , Corrosion product 石灰石-煅烧粘土低碳复合水泥 , 硫酸盐侵蚀 , 膨胀 , 硫酸根离子扩散 , 侵蚀产物 , Engineering , Civil Engineering , Building Construction and Design , Building Materials , Sustainable Architecture/Green Buildings , Renewable and Green Energy
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