Research on the preparation and performance of high polymer grouting materials for road engineering
ZHANG Zhenxing
WEN Li
LIU Xinlei
DONG Yuming
Abstract：Based on the technical characteristics of non excavation grouting repair technology,it is proposed that expansive grouting materials should be used for large volume cavity diseases,and micro expansive grouting materials should be used for small volume cavity diseases.The effects of the amount of catalyst and foaming agent on the properties of expandable high polymer grouting material and the amount of catalyst and epoxy resin on the properties of micro expansive grouting material were studied through experiments.The results showed that the mixing ratio of component B of the expansive polymer grouting material was 5％amino based chain extender,0.5％foaming agent,0.5％catalyst A33,and 1.0％-1.5％foaming agent water.The mixing ratio of component B of micro expansive grouting material is 5％amine based chain extender,0.5％foaming agent,0.2％catalyst T12,and 10％epoxy resin E51.
Keywords：asphalt pavementnon excavation groutingroad maintenancepolyurethaneepoxy resin
Publication Date：2025-01-24
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)