The application of geopolymer grouting material in the treatment of road soft soil
sun jia-ying~(1; 2); wang zhi-xin~2; dai ya-ying~2; rui zhi-ping~3(1. shanghai municipal engineering research institute; shanghai 200031; china; 2. shanghai university; shanghai 200072; china; 3.shanghai kelian special concrete construction ltd; shanghai 200444; china)