Lai, L., 2020. Influence of water-rock chemical erosion on the shear strength of coastal buildings. In: Malvárez, G. and Navas, F. (eds.), Global Coastal Issues of 2020. Journal of Coastal Research, Special Issue No. 95, pp. 262–266. Coconut Creek (Florida), ISSN 0749-0208.

This paper formulates the chemical solution preparation scheme of water-rock and the scheme of preparation and shearing of specimens, and carries out the experiment of shear strength of building under different water-rock chemical solution erosion conditions, and carries out the direct shear experiment, and analyzes the influence law of water-rock chemical action on the shear strength of building, quantificationally expresses the evolution process of the shear strength parameters of building with the chemical damage of water-rock through the introduction of chemical water-rock damage degree, and uses the method of chemical kinetics to simulate the evolution process of damage degree buildings with time in the given chemical water-rock conditions, then predicts the evolution law of shear strength parameters. The degradation of shear strength of building is analyzed and verified. Experimental results show that the degradation of shear strength of building in alkaline environments not as good as that of an acid environment, and the internal friction angle and cohesion of the building decreases with the increase of water-rock chemical damage degree.

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