Method for locating defects in slot walls or for checking the tightness of a slot wall joint and thermal slot wall joint inspection system
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Use of a composition to reduce permeability or to seal floors, rocks or structures from permeation by fluids or gases
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Method for removal of sample e.g. cement grout from soil, involves forming recess at hollow pipe to allow ingress of sample into inner space of hollow pipe, and closing recess to withdraw hollow pipe from soil for removal of sample
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bore seal
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Method for preparing and carrying out soil treatment comprises inserting a hole into the ground using a boring head connected to a borer and closing the flow path by inserting a closing element into the borer
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Method and arrangement for sealing an opening in the form of a hole in a sheet pile wall
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Width detection device for high pressure injection column e.g. for cement foundations, using flat material measuring band projecting through opening in wall of boring rod
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Foundation for hydraulic structures
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Ground jet system of suspension and air feed fits suspension outlets in end of nozzle support at angle to drillrod so suspension feeds via ball valve to outlets as nozzle support rotates.
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Process for underpinning foundation elements
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Method and device for producing undercut cavities, in particular for producing support members and nails
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Device for preloading a foundation element, in particular a pile, and method for producing a preloadable foundation element
