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PROCEEDINGS OF THE THIRD THAILAND SYMPOSIUM ON ROCK MECHANICS

Preface Committee Keynote lectures Rocks under stress – from lithosphere to laboratory (H. Dürrast) Importance of through 3d mapping for safe tunnel construction: development of the tunnel mapper, a digital tunnel mapping and 3d interpretation system using stereo photogrammetric concepts (S. Hwang) Assessment of coal mine waste dump behaviour using numerical modeling (T.N. Singh) Properties of rockfills with weak rock inclusion (N. Phien-wej & M.M. Lwin) Technical papers Direct tensile strength and deformability of intact rocks (S. Klanphumeesri & K. Fuenkajorn) Effect of intermediate principal stresses on compressive strength of Phra Wihan sandstone (T. Pobwandee & K. Fuenkajorn) Laboratory simulations of seawater intrusion and controlling methods (P. Weingchanda, S. Aracheeploha, P. Tepnarong & K. Fuenkajorn) Empirical and numerical analyses of support requirements for Manipura diversion tunnels in Myanmar (B. Soe & K. Fuenkajorn) Polyaxial strengths of Maha Sarakham salt (T. Sriapai, P. Samsri & K. Fuenkajorn) Laboratory test model for solar energy storage in rock fills (D. Phueakphum & K. Fuenkajorn) Physical model simulations of surface subsidence due to brine pumping (R. Rhattanapong, S. Aracheeploha,P. Tepnarong & K. Fuenkajorn) Determination of salt creep properties using modified point load tchnique (P. Samsri, P. Tepnarong & K. Fuenkajorn) Influence of loading rate on compressive strength of rock salt (T. Sriapai, P. Samsri & K. Fuenkajorn) Polyaxial creep testing of rock salt (P. Samsri, T. Sriapai, C. Walsri & K. Fuenkajorn) Fracture permeability under normal and shear stresses (J. Obcheoy, S. Aracheeploha & K. Fuenkajorn) Final pit wall design and stability analysis of Kitadin Tandung Mayang coal mine, Indonesia (S. Kamutchat & T. Pimpak) Transition from compressive to tensile strengths of intact rocks (D. Phueakphum, C. Walsri & K. Fuenkajorn) Rock mass deformation modulus: elastometer test and empirical criterion (P. Thongthiangdee) Analysis of failure behavior of silo-shape cavern under high internal pressure (J. Tansakul &P. Jongpradist) 3D numerical analysis of high rockfill dam construction with consideration of shear dilatancy (P. Pramthawee, P. Jongpradist & P. Kittiyodom) Use of surface miner in hard bauxite mining - an Indian case study (P. Chattoraj) Slope failure at "C" pit north wall, Chatree Gold Mine (P. Pangpetch, C. Intaraprasit, K. Kornsang, S. Surakotra & W. Sirisookprasert) Stability analysis and design of the final pit walls of Mae Tan lignite mine, Lampang province (K. Tongsoc, W. Yartmitnoon & K. Fuenkajorn) Reviews of slope failure in lowwall area3of Mae Moh mine (P. Doncommul, P. Pimklang, N. Mungpayabal & A. Chaiwan) Design and analysis of adit for limestone quarry of Siam City Cement Public Company Limited (A. Boonbatr & K. Fuenkajorn) Large-scaled slake durability index testing (S. Rintrawilai, C. Walsri & K. Fuenkajorn) A guideline of empty gap length for Air Deck blasting in good rockmass (S. Rommayawes & C. Leelasukseree) Room-and-pillar method for Phetchaboon coal mine (S. Choochang & K. Fuenkajorn) Physical model simulation of jointed rock slopes (M. Kleepmek & K. Fuenkajorn) Prediction of rock mass along tunnels by geostatistics (K. Kaewkongkaew, N. Phien-wej & D. Kham-ai) Prediction of tunnel support requirements by empirical methods (N. Phien-wej, K. Kaewkongkaew, T. Suksawad & M.M. Swe) Author index