Title :
Study on the technology of reinforcing ultrahigh subgrade of low liquid limit clay by grouting wall method
Author :
Yang, Hongxia ; Zhao, Zhengrong
Author_Institution :
Dept. of Civil Eng., Shandong Jiaotong Univ., Jinan, China
Abstract :
Based on the case of reinforcement engineering design for highly-filled subgrade to be antiskid and settlement-reducing with low liquid limit clay in the gully development zone of intermountain fault basin in Jinan´s Round-city Expressway,and on the compaction grouting test on experimental section and grouting effect detection,the relationship among grouting amount,grout diffusion radius and soil void ratio,grouting pressure,slurry water-cement ratio is discussed.A design scheme of reinforcing highly-filled subgrade in the method of grouting wall is put forward in this paper.The data from the long-term observation of the open road settlement and current situation of slope stability of roadbed verified the feasibility of this technology.
Keywords :
clay; design engineering; geotechnical engineering; mechanical stability; slurries; soil; walls; compaction grouting test; grout diffusion radius; grouting amount; grouting effect detection; grouting pressure; grouting wall method; highly-filled subgrade; intermountain fault basin; low liquid limit clay; reinforcement engineering design; slope stability; slurry water-cement ratio; soil void ratio; ultrahigh subgrade; Compaction; Electron tubes; Filling; Plasmas; Roads; Slurries; Soil; antiskid and settlement-reducing; grouting wall; low liquid limit clay; reinforcement; ultrahigh subgrade;
Conference_Titel :
Multimedia Technology (ICMT), 2011 International Conference on
Conference_Location :
Hangzhou
Print_ISBN :
978-1-61284-771-9
DOI :
10.1109/ICMT.2011.6002916
