Shun Kang1, Xun Yuan1, Changwu Liu1,*, Yulin Chen1, Xianliang Zhou1, Haikuan Wu2, Zhiguo Ma3
Journal of Renewable Materials, Vol.10, No.12, pp. 3521-3538, 2022, DOI:10.32604/jrm.2022.021694
Abstract Part of the tunnel spoil can not be used for concrete due to alkali-aggregate reaction (AAR). Water is an indispensable condition for AAR, so separating the alkali-aggregate from water is of great benefit to controlling the
AAR. This paper investigates the modification of concrete and aggregate by hydrophobic impregnation and
organic coating and then evaluates their waterproof and mechanical properties by dynamic contact angle
(DCA), ultrasonic wave velocity, scanning electron microscope (SEM), nuclear magnetic resonance (NMR),
and so on. For waterproofness, hydrophobic impregnation and organic coating can both improve the waterproofness of concrete and aggregate. The organic coating is suitable… More >
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