Abstract: A device (100) is provided for the demolishing and in particular for milling horizontal, vertical and inclined surfaces or layers suitable for pedestrians and/or vehicles such as for instance asphalt and/or concrete roads. The device comprises rotatable working means (10) rotatably fixed to a main supporting frame (T) which comprises a first supporting element (L) and a second supporting element (F). The device also comprises regulating means adapted to adjust the position of the first supporting element (L) with respect to the main frame (T) independently of the position of the second supporting element (F). The regulating means comprise an arm (R) fixed to the main frame (T) so as to be free to rotate or translate. The first supporting element (L) is rotatably fixed to a portion (H) of the arm (L).

Abstract: A system for forming a subsurface wellbore includes a rack and pinion system including a chuck drive system. The chuck drive system operates a drilling string. An automatic position control system includes at least one measurement sensor coupled to the rack and pinion system. The automatic position control system controls the rack and pinion system to determine a position of the drilling string.

Abstract: A power umbilical for transfer of large amounts of electric power, fluids and electric current/signals from the sea surface to equipment deployed on the sea bed, in particular in deep waters includes a number of electric power conducting cables, pipes and electric conductors/wires collected in a bundle, a filler material lying at least partly around and between the pipes, cables and the conductors/wires, and a protective sheath enclosing the pipes, cables conductors/wires and filler material. The load carrying elements of the power umbilical are light weighted rods of composite material that can either be collected in bundles or appear individually or in a combination thereof.

Abstract: In a method for milling an opencast mining surface or for milling off layers of an asphalt or concrete traffic surface with a milling machine removing the ground surface, by milling the ground surface along a predetermined milling track and by transporting the milled material via a conveying device to at least one container of a truck that travels along next to the milling machine, a relative position between the container and the conveying device is automatically controlled to regulate the loading of the container.

Abstract: A system is provided for determining a volume of material milled, or a surface area milled, by a construction machine having a milling drum. The volume of material milled is determined as a function of a cross-sectional area of material to be milled in front of the milling drum and a distance traveled by the construction machine while actively milling. The cross-sectional area is determined in part by direct machine observation of one or more profile characteristics of a ground surface in front of the milling drum. The surface area milled is determined as a function of the width of the area to be milled in front of the milling drum and a distance traveled by the construction machine while actively milling.

Abstract: A device is capable of autonomously burrowing into the earth and, when at depth, discharging a fluid into a geologic formation. The device includes a component body holding a computer controller; a battery; a motor; and a coiled hose. A drill head external to the component body is equipped with a spiral blade that burrows down pulling the component body with it. A cylindrical shell surrounding the component body creates an annulus where debris from the drill head flows upward. The coiled hose is released from the component body as the device descends. An electrical cable may be co-wound with the coiled hose or may be embedded in the wall of the coiled hose. Fluid may be conveyed through the coiled hose to a discharge valve in the component body. The discharge valve is connected to a telescoping discharge nozzle.

Abstract: A method for waste burial includes preparing metallic containers (11) for waste storage each being configured to contain drum cans (12) in each of which waste is contained, and being sealed; drilling a vertical hole (26) to bury a plurality of the containers (11) for waste storage in a ground (20), thereafter disposing a steel pipe (27) in the vertical hole (26); providing a concrete base (30) on a lower portion of the steel pipe (27), thereafter disposing the container (11) for waste storage on the concrete base (30), and thereon stacking a plurality of the containers (11) for waste storage; and sealing an upper portion of the uppermost container (11) for waste storage with a concrete (34), after stacking the containers (11) for waste storage from the ground (20) to a predetermined depth.

Abstract: A method and a device for producing a pipe bed or a pipe bed profiling. The method includes: digging a trench, producing a trench floor, producing the pipe bed or pipe bed profiling by a pipe-bed finisher adapted in at least one sub-region of its outer contours to the outer contours of the pipe to be laid, and on its longitudinal sides at least one guide or side element projects laterally on each of its two sides. The device has a pipe-bed finisher, shape-adapted in at least one sub-region of its outer contours to an outer contour of the pipe to be laid. The pipe-bed finisher is constructed either as a pipe profiling arbor that has at least on one front end, a finished guide tip or as a pipe profiling sleeve that has a punch-like, open or closed, concave or convex sleeve end region in the advancing direction.

Abstract: A shearer system for removing material along a mineable distance relative to a mining environment includes a rail assembly to support movement of a shearer carriage thereon. The system further includes a haulage motor structured and arranged to move the shearer carriage along the rail assembly. The system has a rotatably driven cutter that is positionable relative to the shearer carriage. The system further includes an actuator supported by the shearer carriage for changing a cutting height of the cutter. The system further includes a controller that can control a velocity of the shearer carriage based on a translation speed of the cutter, a maximum speed of the shearer carriage, a current cutter height, and a desired cutter height. Optionally, the controller can further control the velocity of the shearer carriage based on a predetermined stopping distance of the shearer carriage.

Abstract: A pipeline laying vessel for laying a pipeline (5) on a seabed, which pipeline laying vessel comprises a hull, a positioning device (6) for positioning a pipe section in a firing line (3) along which the pipeline is laid, which positioning device is supported by the hull, and a clamp (17) for holding the pipeline suspended from the vessel, wherein the clamp is located in the firing line, and comprises a support device (18) constructed and arranged to allow the clamp to hold the pipeline in a first mode wherein the clamp has a fixed position relative to the positioning device, and in a second mode (52) wherein the clamp is pivotable relative to the positioning device.

Abstract: A surface mining system for removing material from a mining face generally includes a conveyor extending substantially parallel to the mining face, a miner supported by and moveable along the conveyor, and a conveyor translation device associated with the conveyor and operable to move the conveyor and the miner toward the mining face. A method for advancing a surface mining longwall system generally includes moving the longwall shearer along a face conveyor, operating load translation devices to move the face conveyor and the longwall shearer toward the mining face, resetting a first group of load translation devices, and then resetting a second group of load translation devices. A load translation device generally includes an actuator, a ground drilling device coupled to and moveable with a portion of the actuator, and a frame coupled to and moveable with another portion of the actuator.

Abstract: A pick tool for degrading asphalt or rock, comprising a PCD element; the PCD element comprising a PCD structure (20) bonded to a cemented carbide support body (30) at an interface; the PCD structure comprising a first region (24) and a second region (25) adjacent the first region, the second region bonded to the first region by intergrowth of diamond grains; the first region (24) comprising a plurality of alternating strata (24c, 24t), each stratum having a thickness in the range of about 30 to 300 microns; the second region comprising a plurality of strata (25a, 25b), one or more strata in the second region (25a) having a thickness greater than the thicknesses of the individual strata in the first region (24c, 24t), wherein the alternating strata in the first region (24) comprise first strata alternating with second strata, the first strata being in a state of residual compressive stress and the second strata being in a state of residual tensile stress.

Abstract: The invention relates to a tool for a breaking hammer, a breaking hammer, and the use of a breaking hammer. The breaking hammer includes a percussion device, the percussion piston of which providing impacts to the tool for breaking rock. An impact surface of the tool has a curved form surface that has a radius of curvature and a center axis on the longitudinal axis of the tool. The direction of the centre axis is transverse to the plane through the longitudinal axis of the boom of a work machine.

Abstract: A method of forming an underground slurry wall having the steps of: (a) providing a trencher having a trenching arm assembly with a cutting tooth track; (b) providing a dispensing tube proximate the cutting tooth track; (c) rotating the cutting tooth track; (d) extending the cutting tooth track below the outside surface, to, in turn, agitate the soil therebelow to a predetermined depth; (d) translating the trenching arm assembly across the outside surface so as to form an underground wall of agitated soil; (e) dispensing a clay-like material proximate the cutting tooth track; and (f) utilizing the cutting tooth track to mix the clay-like material into the soil while the cutting tooth track is rotating and translating, to, in turn, mix the clay-like material into the agitated soil. Systems are likewise disclosed.

Abstract: Devices and methods for preventing migration of buoyant contaminants from subaqueous contaminated sediment while providing for venting of gas that migrates from the contaminated sediment are described.

Abstract: A method and apparatus for converting an iron-bearing residue generated in a hydrometallurgical process that contains small amounts of soluble heavy metals into a stable form by means of a neutralizing agent. The residue is elutriated and the elutriated residue is fed into at least one stabilization or homogenization reactor, into which a neutralizing agent is also routed, and the homogenous mixing together of the residue and neutralizing agent takes place by means of a helix mixer, where the ratio of the diameter of the mixer to the diameter of the reactor is 0.75-0.99.

Abstract: Described herein are tools, systems and methods for conditioning, strengthening and/or improving in situ soil geotechnical or agricultural properties while at least temporarily reducing soil density, energy requirements and tool wear.

Abstract: A pick assembly (100) comprising a pick tool (200), a pick holder (300) and a rotatable drive means (400); in which the pick holder is attached to the rotatable drive means and the pick tool comprises a base (220) and a strike element (210) capable of being attached to the base, the strike element comprising a strike tip (212) defining a strike tip axis (213) and the base capable of being attached to the pick holder; the pick holder and pick tool being configured in relation to the drive means operative to the strike tip axis being oriented to within a strike angle of at most 5 degrees with a strike plane on which the strike tip will travel when driven by the drive means.

Abstract: The invention provides a process for stabilizing waste by landfilling, including mixing the waste with ash after burning oil shale, whereby safely stabilizing inorganic or organic waste by embedding it in a hardened matter exhibiting a high compression strength.

Abstract: Disclosed is a method for installing a support column under the water. The method includes: (step 1) installing a plurality of steel pipes to stand up at regular distance on the floor of a place with water; (step 2) inserting a drilling rod into each of the steel pipes, to excavate a bedrock with a bit attached to an end portion of the drilling rod and fixing the drilling rod on the bedrock; and (step 3) placing and curing an accelerating agent containing concrete or mortar inside each of the steel pipes. According to the disclosed method, the solar generating apparatus mounted on a floating plate can be more securely supported by firmly installing the support column.