Influence Mechanism of Grouting on Mechanical Characteristics of Rock Mass

Zhang Jixun, Shu Jiaqing, Ren Xuhua and Ren Hongyun

Mathematical Problems in Engineering, 2013, vol. 2013, 1-6

Abstract:

Grouting technology has been widely used in all fields of geotechnical and civil engineering. Prospective engineering objectives including reinforcement of rock mass and groundwater leakage treatment can be achieved by grouting which will change the mechanical parameters of rock mass such as strength, elastic modulus, and coefficient of permeability. In this paper, rock mass is assumed as a composite material consisting of rock particles and random microcracks initially. Since part or all of the cracks will be filled with cement slurry after grouting, rock mass consists of rock particles, grout condensate, and some or no random microcracks after grouting. The damage constitutional law of the mesoscopic element is established based on the theory of mesoscopic damage mechanics. With the heterogeneity of the components of rock mass considered, the variation of mechanical characteristics of rock mass is studied before and after grouting. And the influence mechanism of grouting on rock mass is investigated at mesoscale level.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:281817

DOI: 10.1155/2013/281817

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