Cement-Epoxy Composite Grouting Technology: Research and Application

WEI Tao; ZHANG Jian

doi:10.11988/ckyyb.20210560

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Journal of Changjiang River Scientific Research Institute ›› 2021, Vol. 38 ›› Issue (12) : 1-5. DOI: 10.11988/ckyyb.20210560

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Cement-Epoxy Composite Grouting Technology: Research and Application

WEI Tao, ZHANG Jian

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Abstract

The reinforcement grouting of unfavorable geological body has always been a technical difficulty in the foundation treatment of hydraulic structures. In the recent four decades, cement-epoxy composite grouting technology has been used to solve many engineering problems successfully. In this paper, the research and application achievements of cement-epoxy composite grouting technology are summarized. The varieties and development process of cement-epoxy composite grouting materials are described. The techniques of compound grouting are expounded, and two arrangements of hole distribution of compound grouting (same hole compound and different hole compound) are defined and explained. The criteria of starting chemical grouting should be based on the water permeability index of the irrigated body. Moreover, the theory of compound grouting is summarized, and typical engineering cases of cement chemical compound grouting are introduced. In addition, research of epoxy grouting materials should develop towards high performance and non-toxic features in future. The intelligence and informatization level of grouting equipment needs to be improved. In terms of grouting theory, indoor simulation and visualization research should be strengthened to improve the theoretical system of cement-epoxy composite grouting and to provide better services for engineering.

Key words

cement-epoxy composite grouting / grouting materials / grouting theory and techniques / grouting equipment / unfavorable geological body

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WEI Tao, ZHANG Jian. Cement-Epoxy Composite Grouting Technology: Research and Application[J]. Journal of Changjiang River Scientific Research Institute. 2021, 38(12): 1-5 https://doi.org/10.11988/ckyyb.20210560

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