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Mechanical Properties of Concrete Containing Ceramsite Sand
Lightweight aggregate concrete has been widely used due to its excellent performance, such as the light weight, the high strength and the thermal insulation. Ceramsite sand is a kind of artificial fine lightweight aggregate, which could be used as an effective internal curing material for concrete with low water-binder ratio. In this paper, the mechanical properties of concrete with the water to cement ratio of 0.3, 0.35 and 0.4, in which the natural sand was replaced by ceramsite sand at 20%, 40%, 60%, 80% and 100% in volume were studied. The hydration degree of cement in the paste around ceramsite sand particles was also tested. The research results showed that with the increasing of the ceramsite sand content, the compressive strength, the flexural strength and the static elastic modulus of concrete decreased. Ceramsite sand promoted the hydration degree of cement at the interface area, and this effect became more obvious for the concrete with lower water to cement ratio.
Mechanical Properties of Concrete Containing Ceramsite Sand
Lightweight aggregate concrete has been widely used due to its excellent performance, such as the light weight, the high strength and the thermal insulation. Ceramsite sand is a kind of artificial fine lightweight aggregate, which could be used as an effective internal curing material for concrete with low water-binder ratio. In this paper, the mechanical properties of concrete with the water to cement ratio of 0.3, 0.35 and 0.4, in which the natural sand was replaced by ceramsite sand at 20%, 40%, 60%, 80% and 100% in volume were studied. The hydration degree of cement in the paste around ceramsite sand particles was also tested. The research results showed that with the increasing of the ceramsite sand content, the compressive strength, the flexural strength and the static elastic modulus of concrete decreased. Ceramsite sand promoted the hydration degree of cement at the interface area, and this effect became more obvious for the concrete with lower water to cement ratio.
Mechanical Properties of Concrete Containing Ceramsite Sand
Dong, Shuhui (author) / Yang, Wencui (author) / Ge, Yong (author) / Jiang, Shouheng (author) / Sun, Tuo (author) / Deng, Jiaping (author)
Fifth International Conference on Transportation Engineering ; 2015 ; Dailan, China
ICTE 2015 ; 1259-1265
2015-09-25
Conference paper
Electronic Resource
English
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