Dr. Xinxing Zhou Profile

Dr. Xinxing Zhou

at Shanxi Transportation Technology Research & Develo

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Proceedings Article | 29 April 2022 Paper

Mechanical properties and morphology of polyurethane composite grouting materials

Xinxing Zhou, Yancong Zhang, Wei Bian, Yapeng Rong

Proceedings Volume 12255, 122551E (2022) https://doi.org/10.1117/12.2638643

KEYWORDS: Polyurethane, Composites, Polymers, Resistance

Read Abstract +

Nine leaks in ten tunnels in our country. The loess geological widely distributed Shanxi Province, which are more likelyto form a tunnel leakage water. Polyurethane composite grouting materials is a great materials for repairing the tunnel leakage water. In order to reduce the cost of grouting materials, fly ash, bottom ash, and carbide slag were addedintothegrouting materials and the mechanical properties and morphology of polyurethane composite grouting materials werefocused studied. The compressive strength of polyurethane composite grouting materials can reach up to 14MPa. Theresults showed that solid waste (fly ash, bottom ash, or carbide slag) can increase the mechanical properties andchangethe morphology of polyurethane composite grouting materials. Moreover, the water permeability coefficient ofpolyurethane composite grouting materials can meet the engineering application requirements.

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