foundation investigation การใช้

• Treatment method for accidents in the bridge foundation investigation drilling in karst terrain
• Abstract : through analysing systematically the conditions of engineerin g geology and hydrogeology , the regimes of groundwater level and data of deep wells , the p aleorelief , and the groundwater levels measured during the periods of foundation investigation of each existing building , the aberrant cause of groundwater level at yangfangdian and its vicinity was derived , and the approximate scope of grou ndwater level anomalies in the above - mentioned area in march , 1999 was obtained by calculation