Concrete-autolysis-type rapid self-repairing system in water environment and preparing method thereof
A self-dissolving concrete technology, applied in the field of concrete engineering, can solve the problems of inconvenient practical application and cumbersome preparation process, and achieve the effects of large absolute value of strength and incremental value, good repairability, and rapid hydration
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Embodiment 1
[0045] In this embodiment, a self-dissolving rapid self-repair system for concrete under water environment, the system includes a concrete matrix and self-dissolving composite microspheres filled in the concrete matrix, and the surface of the self-dissolving composite microspheres is covered with autolytic Type protective film, the center is a composite mineral composed of tricalcium silicate and tricalcium aluminate.
[0046] Among them, the mass percentage of the self-dissolving composite microspheres in the gelling material is 8wt%, while the mass ratio of tricalcium silicate to tricalcium aluminate is 2:1, and the outer diameter of the self-dissolving composite microspheres is 1-2 μm , The thickness of the self-dissolving protective film is 20-50nm.
[0047] Tricalcium silicate is TC3S crystalline tricalcium silicate, tricalcium aluminate is monomineral tricalcium aluminate, and the self-dissolving protective film is an unsaturated polyester protective film containing este...
Embodiment 2
[0059] In this embodiment, a self-dissolving rapid self-repair system for concrete under water environment, the system includes a concrete matrix and self-dissolving composite microspheres filled in the concrete matrix, and the surface of the self-dissolving composite microspheres is covered with autolytic Type protective film, the center is a composite mineral composed of tricalcium silicate and tricalcium aluminate.
[0060] Among them, the mass percentage of the self-dissolving composite microspheres in the gelling material is 12wt%, while the mass ratio of tricalcium silicate to tricalcium aluminate is 4:1, and the outer diameter of the self-dissolving composite microspheres is 1-2 μm , The thickness of the self-dissolving protective film is 20-50nm.
[0061] Tricalcium silicate is MC3S crystalline tricalcium silicate, tricalcium aluminate is monomineral tricalcium aluminate, and the self-dissolving protective film is an unsaturated polyester protective film containing est...
Embodiment 3
[0069] In this embodiment, a self-dissolving rapid self-repair system for concrete under water environment, the system includes a concrete matrix and self-dissolving composite microspheres filled in the concrete matrix, and the surface of the self-dissolving composite microspheres is covered with autolytic Type protective film, the center is a composite mineral composed of tricalcium silicate and tricalcium aluminate.
[0070] Among them, the mass percentage of self-dissolving composite microspheres in the gelling material is 10wt%, while the mass ratio of tricalcium silicate to tricalcium aluminate is 3:1, and the outer diameter of self-dissolving composite microspheres is 1-2 μm , The thickness of the self-dissolving protective film is 20-50nm.
[0071]Tricalcium silicate is RC3S crystalline tricalcium silicate, tricalcium aluminate is monomineral tricalcium aluminate, and the self-dissolving protective film is an unsaturated polyester protective film containing ester bonds ...
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