Search for dissertations about: "water curtain"

Found 3 swedish dissertations containing the words water curtain.

  2. 1. Water Curtains in Gas Storage. An Experimental Study

    Author : Carl-Olof Söder; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; analytical simulations; unlined gas storage; jointed rock; gas migration; gas containment; geo-hydrological test methods; hydromechanical breakdown;

    Abstract : Water curtains have been used for more than 20 years to prevent the escape of gas from caverns excavated in rock. Today, the use of water curtains appears to be increasing, with applications in various forms of storage caverns. READ MORE

  4. 2. Design of grout curtains under dams founded on rock

    Author : Suihan Zhang; Fredrik Johansson; Johan Funehag; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Grout curtains; Rock grouting; Dams; Erosion; Infilling materials in rock fractures; Injekteringsridåer; Berginjektering; Dammar; Erosion; Sprickfyllnadsmaterial; Soil and Rock Mechanics; Jord- och bergmekanik;

    Abstract : Grouting has long been implemented as a ground improvement technique to reduce the seepage through the rock mass. Grout curtains are usually constructed under dams as a barrier to prevent leakage from the reservoir. So far, the grout curtains under dams have mainly been designed by using an empirical design approach. READ MORE

  5. 3. Rock mass behavior under hydropower embankment dams with focus on fracture erosion and rock mass stability

    Author : Alexander Bondarchuk; Ignacio Escuder-Bueno; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mining and Rock Engineering; Gruv- och Berganläggningsteknik;

    Abstract : In Sweden there are about 190 large hydropower dams of varying age. According to the definition by the International Commission of Large Dams (ICOLD), if the height of the dam exceeds 15 m it is referred as large. Majority of these dams are of embankment type. READ MORE