Abstract: The disclosure relates to a drilling rig for cutting a vertical trench in the ground, the rig comprising: a frame; and a verticality measurement device comprising a first cable and at least a first inclinometer, one end of the first cable being connected to the top portion of the frame and to the first inclinometer. According to the disclosure, the drilling rig has a first connection device comprising: a support fastened to the frame; and a body connected to the support via a swivel link; the first inclinometer and the first cable are fastened to the body on opposite sides of the swivel link.

Abstract: A system having: a terrestrial scanning device, a topographic benchmark secured permanently to a support, including a code that is readable automatically at a distance of at least 3 m by the scanning device, this code ss providing information as to the position of the benchmark in a given frame of reference and/or having an identifier listed in a database in which the position of the benchmark in said frame of reference is also recorded.

Abstract: Portable device (5) for acquiring images of an environment, in particular a tunnel (85), the device comprising an acquiring module (10) comprising a rod (12) and at least two acquiring stages (25a-c) placed at different heights on the rod, each acquiring stage comprising a plurality of cameras (20) configured to each acquire an image of the scene, the viewing axes (27) of the cameras of an acquiring stage being angularly distributed about the axis of the rod so that the acquired images overlap angularly.

Abstract: The invention relates to the field of excavation systems, and more particularly to excavation systems including tools for excavation by electric pulses. An excavation system of the invention comprises a support frame (34), a hydraulic circuit with a pump, and first and second excavation tools.

Abstract: The invention has for object a method for manufacturing concrete construction blocks (6) for a wind-generator tower made up of at least two consecutive blocks secured to one another by a contact surface of each of the two blocks, the manufacturing method comprising the following steps: pouring concrete into a first cage of reinforcements (10-1) so as to obtain the first concrete construction block comprising a first contact surface (9), and pouring concrete into a second cage of reinforcements (10-2) so as to obtain the second concrete construction block, the second cage of reinforcements being provided in a form (21) arranged such that the first contact surface (9) of the first block (6-1) makes up a wall for delimiting (26) the pouring of the concrete such as to form a contact surface (9) of the second block (6-2).

Abstract: The invention relates to a drilling machine (10) for making an excavation in ground in a drilling direction, said drilling machine comprising: an anchor module (12) having an anchor device for preventing the anchor module from moving in the drilling direction relative to the ground by bearing against one of the walls of the excavation; a drilling module (20) provided with cutter members connected to the anchor module while being movable in translation relative to the anchor module; and movement means (35) for moving the cutter members in translation relative to the anchor module. The drilling module is also hinged relative to the anchor module, and the drilling machine comprises first path correction means (40) for causing the drilling module to pivot relative to the anchor module about a pivot axis (X) perpendicular to the drilling direction.

Abstract: An automatic reloading and transport system for solid targets for a particle accelerator using a pneumatic tube transport system from the point of target activation by a particle accelerator to a target processing point and back, comprising a pneumatic tube transport system with end stations for receipt and dispatch of a capsule accommodating the target, a handling mechanism for both manipulating the solid target and handling the capsule and a target positioning system.

Abstract: Computer platform for pooling and viewing digital data on a planet or sub-planet scale, which platform lists georeferenced data used for the representation of heterogeneous objects originating from various sources, including objects derived from scans and objects derived from at least one computer assisted drawing software package, metadata logged in at least one database being associated with at least some of the georeferenced data, these metadata comprising at least one item of information relating to the accuracy with which the position of these georeferenced data in at least one frame of reference is known.

Abstract: A pendular tuned mass damper includes a set of hangers connected in an articulated manner to a fixed frame, a mobile frame carried by the hangers, at least one inertial mass carried by the fixed frame or the mobile frame, and a system for driving the inertial mass, the system configured to transform variation of the angle of at least one hanger relative to the fixed frame or to the mobile frame into a relative movement of the inertial mass with respect to the frame that carries it.

Abstract: The structural cable (10) comprises a bundle of load-bearing tendons (15) extending between upper and lower anchoring devices, a first sheath (20) containing the bundle of tendons, and a second sheath (22) arranged around the first sheath, with a gap between the first and second sheaths.

Abstract: The invention relates to a method of building a foundation (1) comprising a steel monopile (2) and a precast concrete part (3) on top of the monopile (2), comprising:—arranging a support structure (12) inside the monopile (2), the support structure (12) having a plurality of rods (16) extending radially with respect to a longitudinal axis of the monopile; —bringing the concrete part (3) above the monopile (2), with supporting columns (13) interposed between the support structure (12) and the concrete part (3), wherein reinforcement bars (14) protruding from a bottom surface (9) of the precast concrete part (3) extend downwardly beyond the support structure (12) by passing between the rods (16) of the support structure (12); —arranging tendons (15) between the support structure (12) and the concrete part (3) and tensioning the tendons (15); and—pouring concrete into an upper part of the monopile (2).

Abstract: The invention has for object a system for assembling a tower for a wind generator consisting of a plurality of blocks, comprising: a structure for lifting each one of said blocks, and a structure for supporting said lifting structure, the lifting structure being moveable in relation to the support structure between a block-gripping position and a block-holding position, the lifting structure comprising a body for gripping each block.

Abstract: The invention relates to a method of representing the movements, if any, of a structure (10), the method being performed in an appliance (50) including a camera (52), said structure being provided with at least one movement measurement device (20, 22, 24). The invention comprises: a step of acquiring an image of the structure with the help of the camera; a step of sending a query to a remote server (30); a step of receiving at least some information about the movement measurement device in response to said query, said information including data about at least one measurement obtained with the help of the movement measurement device; and a step of inserting said measurement data in said image.

Abstract: The invention relates to an installation (10) for making a continuous wall in ground (S), the installation comprising: an excavation machine (14) having a frame (16) with a bottom end (16b); determination means (80) for periodically determining the offset between the frame and a first screen while making a second screen in the ground juxtaposed with the first screen; and correction means (50) for periodically correcting the position of the frame (16) so as to reduce the offset as determined by the determination means between the frame (16) and the first screen (E1), and maintain overlap between the longitudinal side of the frame and the longitudinal side of the first screen in such a manner that the second screen is secant with the first screen (E1) over the entire length of the shorter of the first and second screens, thereby forming the wall that is continuous.

Abstract: Disclosed are examples of methods and systems for cutting up a reinforced concrete mass, in which a drilling tool is provided. In various embodiments, the drilling tool comprises: a drill tube carrying a cutter member; a device for causing the drill tube to vibrate, the device comprising a vibration generator for generating longitudinal vibration in the drill tube; a device for injecting a drilling fluid at the distal end of the drill tube; and a device for moving the drill tube along its longitudinal direction. In the disclosed methods and systems, the reinforced concrete mass is cut up by drilling at least one hole with the help of the drill tool by causing the drill tube to vibrate while injecting the drilling fluid into the mass from the distal end of the drill tube.

Abstract: A dock building apparatus comprises a cantilever arm (11) having a first portion configured to be supported on a ground area and a second portion for overhanging a construction area. The cantilever arm (11) is displaceable perpendicularly to the length of the cantilever arm. The apparatus further includes a lifting device (19) movable along the cantilever arm for bringing construction materials including foundation members from the ground area to the second portion of the cantilever arm, and a foundation building tool (15) movable along the cantilever arm for installing the foundation members in the construction area.

Abstract: The disclosure relates to a device for reinforcing a ground on which is disposed a loading structure. Threaded inclusions are disposed vertically within the ground and reinforce said ground. The core diameter of threaded inclusions is between 250 mm and 450 mm and the external diameter is between 350 mm and 600 mm. A load transmitting layer is interposed between the ground and the loading structure disposed thereon, so as to transmit and distribute the load from the loading structure to both the ground and the plurality of inclusions. A ratio between a distance between axes of two adjacent inclusions and the internal diameter of said adjacent inclusions is between 4 and 14, and the inclusions are made from a material having a specified 28-day compressive strength between 5 MPa and 35 MPa.

Abstract: The invention relates to a concreting installation for concreting an excavation. The installation includes a concreting column having a top end arranged to be open in order to be at atmospheric pressure, and at least one controlled retention device situated at a distance from the open top end of the concreting column and adapted, in at least one configuration, to retain a volume of concrete inside the column. The invention also relates to a method of concreting an excavation.

Abstract: Various methods of making a reinforced structure in the ground using a boring tool are provided. One of the methods includes providing a boring tool having a boring tube that can vibrate. The method also includes making a borehole in the ground using the boring tool while causing the boring tube to vibrate. Additionally, the method includes, when the boring tube has reached a predetermined depth, injecting a sealing grout into the boring tube that embeds the boring tube in the sealing grout. Further, the method includes detaching the boring tube from the boring tool, thereby providing a structure reinforced by the boring tube.

Abstract: The invention relates to the field of operations of cutting and isolating pipes that may contain a product that is hazardous to the environment or the personnel carrying out work and requires leak tight handling. The invention relates more particularly to a containment device 1 for work carried out on a pipe comprising a rigid tool flange 11 having an end wall provided with an orifice with a section adapted to the external cross of the pipe, an opening wider than the orifice located opposite the end wall, and a side access 111 for a cutting tool, and a flexible film 13 for forming a leak tight volume around the pipe, wherein a first film end that is fixed to the opening in teh tool flange mounted on the pipe and a second film end that is connected to the pipe. The invention also relates to a method for cutting and isolating a pipe.