PROCEEDINGS OF THE ELEVENTH ASIAN REGIONAL CONFERENCE ON SOIL MECHANICS AND GEOTECHNICAL ENGINEERING : SEOUL/ KOREA/ 16-20 AUGUST 1999 Soil Mechanics and Geotechnical Engineering Eleventh Asian Regional Conference Edited by S.W.Hong, M.M.Kim, G.S.Yang, S.R.Lee, S.S.Chung, C.C.Ihm, H.T.Kim J.B.Park & B.S.Lee Base grouting of wet process bored piles in Bangkok subsoil Teparaksa W. Chulalongkorn University, Thailand Thasnanipan N., Anwar M. A. Seafco Company Limited Bangkok, Thailand A.A. BALKEMA / ROTTERDAM / BROOKFIELD / 1999