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A stone column is often used technology of a ground improvement. The design of stone columns is still based on experiences and empirical computational methods. The most important properties of stone column are unit weight of a soil, relative density, strength and deformation properties. The total resistance and deformation of stone column is also significantly affected by properties of the original subsoil. The article deals with determination of the relative density of the stone columns by using the in пїЅ situ t...

During period of preparing the construction of halls of the industrial park, according to the geotechnical investigation were found adverse properties of soil. Below the ground surface was situated 5.5 m soft clay layer, deeper clayey gravel. Due to the nearby located river, the groundwater level was found just below the ground surface. Strict requirements to fulfilling first of all the serviceability limit state have led to the preparing the load test in real geological conditions in scale 1:1. Expecting load on ...

Twenty years after finishing the dam ?unovo on river Danube about 15 km beneath Bratislava were after regular controls gradually exclude from system some observation boreholes. There were realised new investigation boreholes. The main reason of these boreholes was verification of the soil characteristics in depth where the periodical changing of water in Danube and in reservoir had negative influence on the permeability characteristics. One of the most important factors of safety is filtration stability of granula...