1STATUS QUO OF THE STUDY ON SUBGRADE DISEASES AND THE TREATMENT TECHNIQUES IN KARST AREAMU Jin-wei, LEI Ming-tang, LIANG Jun-lin, SHI Lian-fu89-952MODEL EXPERIMENT OF ROCKFILL SUBGRADE STABILITY UNDER KARST WATER IMPACTJIANG Xiao-zhen, LEI Ming-tang, LI Yu, DAI Jian-ling, Meng Yan96-1023MONITORING TECHNIQUE AND METHODS OF THE KARST COLLAPSESLI Yu, ZHU Ping, LEI Ming-tang, JIANG Xiao-zhen, DAI Jian-ling, MENG Yan103-1084THE APPLICATION OF GIS IN THE STUDY ON HIGHWAY SUBGRADE DISEASE IN KARST AREADAI Jian-ling, JIANG Xiao-zhen109-1145ANALYSIS TO HIGH ROCKFILL EMBANKMENT SETTLEMENT ON THE BASIS OF GOMPERTZ GROWTH CURVEZHAO Ming-hua, WU Jian-ning, CHEN Chang-Fu, LIU Jiang-bo115-1186STUDY ON GAS-BASED PARAMETERS BACK ANALYSIS OF HIGH ROCKFILL EMBANKMENTCHEN Chang-Fu, LI Gang, CAO Wen-gui119-1237A RESEARCH ON THE MEASURE OF THE COMPACTNESS OF A MODEL OF HIGH EMBANKMENT USING DYNAMIC TEST METHODYU De-jie, ZHAO Ming-hua, ZHAO Jiang, WU Jian-ning124-1278CHARACTERS AND TREATING TECHNIQUES OF KARST SUBGRADE DISEASE ALONG SHUIREN-NANNING HIGHWAY IN GUANGXIDENG Jia-xi, WANG Hao, WEI Ming128-1349DESIGN AND PRACTICE FOR THE SCHEME OF OBSERVATION OF ROCKFILL EMBANKMENT'S SETTLEMENTPENG Jian-guo, LIU Xiao-ming, LIU Jiang-bo135-13910BACK-CALCULATION OF ROCK SOCKET FRICTION FOR CONCRETE SHAFTS IN KARSTShilong MEI, E.C.Drumm, Baoshan HUANG, Wenbin HE, Gang ZUO140-14611TEST FOR BEARING BEHAVIOR OF PILE IN KARST AREAJIN Shu-bin, HUANG Sheng-gen, CHANG Zhong-kun147-151,15512APPLICATION OF IMPACTING ROLLER TO COMPACTING THE ROCKFILL SUBGRADELu Da, DENG Jia-xi, HAO Chun-zhong152-15513ANALYSIS TO FACTORS AFFECTING THE STABILITY OF KARST CAVE CEILING WITH ORTHOGONAL DEFINITE ELEMENT METHODZHANG Lin, YANG Zhi-gang, QIAN Qing-qiang, TANG Shao-hui156-15914APPLICATION OF GPR IN GEOLOGICAL FORECAST FOR HIGHWAY TUNNELSFANG Jian-li, Ying Song, JIA Jin160-16315STUDY ON THE MODE OF WATER ENVIRONMENTAL RAVAGE CAUSED BY HIGHWAY CONSTRUCTION IN GUIZHOU KARST AREA AND THE PROTECTION STRATEGYCheng Xing, GUO Ming, SHI Fang-hong164-168