Abstract: For an enclosure including a ground area (2), a spectator area (3) around the ground area and a plurality of bearing points (12) around and above the spectator area, the method of mounting a roof structure comprises: assembling a tension ring (14) at the level of the ground area, the tension ring comprising at least one first cable extending along the tension ring and a plurality of connectors (15) spaced along the tension ring; attaching a plurality of second cables (13) to the plurality of connectors, each second cable having a first end connected to a respective one of the connectors and extending radially and outwardly from the tension ring, each second cable being associated with a respective one of the bearing points (12); and lifting the tension ring by pulling the connectors (15) by the second cables (13).

Abstract: The proposed sheath is for a structural cable (10) having a path between an upper anchorage (16) and a lower anchorage (17). It comprises sheath segments (21) assembled along the path of the structural cable, at least one supporting rope (30) extending along the sheath segments and having an upper end connected to the construction work adjacent to the upper anchorage, and connectors (32) for connecting the sheath segments to the at least one supporting rope. The connectors (32) are configured to block relative upward movement of the supporting rope (30) with respect to the sheath segments (21) and to allow relative downward movement of the supporting rope with respect to the sheath segments.

Abstract: The structural cable of a construction work comprises a bundle of load-bearing tendons, a sheath within which the bundle of tendons is located, and at least one vibration module received within the sheath and configured to generate vibrations to break superficial ice or frost deposits on the cable.

Abstract: A structural cable of a construction work. The structural cable including a bundle of load-bearing tendons, a sheath within which the bundle of tendons is located, a housing located within the sheath and fixed relative to the sheath, said housing defining a cavity, the bundle of tendons being at a distance from the housing and the cavity, the bundle of tendons being located outside the housing and the cavity, said cavity extending longitudinally relative to the sheath.

Abstract: For an enclosure including a ground area (2), a spectator area (3) around the ground area and a plurality of bearing points (12) around and above the spectator area, the method of mounting a roof structure comprises: assembling a tension ring (14) at the level of the ground area, the tension ring comprising at least one first cable extending along the tension ring and a plurality of connectors (15) spaced along the tension ring; attaching a plurality of second cables (13) to the plurality of connectors, each second cable having a first end connected to a respective one of the connectors and extending radially and outwardly from the tension ring, each second cable being associated with a respective one of the bearing points (12); and lifting the tension ring by pulling the connectors (15) by the second cables (13).

Abstract: A structural cable of a construction work. The structural cable including a bundle of load-bearing tendons, a first sheath containing the bundle of tendons, a second sheath arranged around the first sheath, the second sheath comprising windows, and a plurality of light-radiating modules configured to radiate light, each light-radiating module being arranged within the structural cable to radiate light through at least one window outwardly relative to the structural cable.

Abstract: The sheath (20) for a structural cable (10) has an outer surface to be exposed to an environment of a construction work equipped with the structural cable (10). The outer surface of the sheath has a roughness texture (30) to promote retention of frozen water. In at least an upper part of the length of the sheath (20), the roughness texture (30) covers more than half of the outer surface of the sheath.

Abstract: The method for manufacturing an individually sheathed strand comprises: conveying a group of metal wires through a die; upstream of the die, applying a first filler product to at least a first portion of the strand; upstream of the die, applying a second filler product to at least a second portion of the strand distinct from the first portion; and extruding a plastic around the group of metal wires passing through the die, so as to envelop the group of metal wires covered with the first and second filler products in a continuous sheath formed of the extruded plastic. The second filler product has greater adhesion to the group of metal wires than the first filler product.

Abstract: The proposed sheath is for a structural cable (10) having a path between an upper anchorage (16) and a lower anchorage (17). It comprises sheath segments (21) assembled along the path of the structural cable, at least one supporting rope (30) extending along the sheath segments and having an upper end connected to the construction work adjacent to the upper anchorage, and connectors (32) for connecting the sheath segments to the at least one supporting rope. The connectors (32) are configured to block relative upward movement of the supporting rope (30) with respect to the sheath segments (21) and to allow relative downward movement of the supporting rope with respect to the sheath segments.

Abstract: The structural cable of a construction work comprises a bundle of load-bearing tendons, a sheath within which the bundle of tendons is located, and at least one vibration module received within the sheath and configured to generate vibrations to break superficial ice or frost deposits on the cable.

Abstract: A sheath of a structural cable of a construction work, the structural cable being destined to comprise a bundle of tendons (20) destined to bear a load of the structural cable and to be received within said sheath, the sheath having an outer surface (30) and the sheath being made of a single layer of material (32) over at least a part of the length of the sheath. The sheath comprises heating components (34) arranged within said single layer (32), the heating components (34) being configured for receiving electrical energy and, using said electrical energy, heating at least the outer surface (30) of the sheath so as to prevent ice, snow, rime or frost from forming thereon or remove ice, snow, rime or frost from the outer surface (30) of the sheath.

Abstract: A structural cable of a construction work. The structural cable including a bundle of load-bearing tendons, a sheath within which the bundle of tendons is located, a housing located within the sheath and fixed relative to the sheath, said housing defining a cavity, the bundle of tendons being at a distance from the housing and the cavity, the bundle of tendons being located outside the housing and the cavity, said cavity extending longitudinally relative to the sheath.

Abstract: The assembly comprises a structural cable comprising tendons (12) and a saddle deflecting the structural cable between the two ends thereof. The saddle comprises a body (18), conduits (24) formed in the body and each receiving one of the tendons of the cable, and two anchoring devices (20) which anchor the tendons by defining a first portion of the structural cable received in the saddle, where the tendons are subject to a prestressed tension that is constant over time and at least one second portion of the structural cable where the tendons are subject to tensions that are variable over time. An anchoring device (20) comprises an anchoring plate (28) comprising anchoring openings (36) each receiving one of the tendons, and wedges (30) each received in a respective anchoring opening of the anchoring plate in order to lock one of the tendons of the structural cable. The anchoring plate (28) has a rear surface bearing against the body (18).

Abstract: A device for anchoring prestressing reinforcement(s) or a structural cable such as a guy, for structural works, in particular made of concrete, including an anchor block having at least one housing configured to receive a clamping jaw for clamping a reinforcement, and an anchor sub-block, having a bearing face on which the anchor block rests and an arched shape, the concave portion of which is oriented toward the structural works.

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: In order to handle a wind turbine blade between the ground and a rotor of an electric generator mounted on a nacelle (15) at the top of a tower (10), the blade (25) is retained in a support (40) that is mounted on a trolley (30) arranged against the tower. The trolley is moved and guided along the tower using at least one cable (32, 33) which is angled in such a way as to apply a force having a horizontal component in the direction of the tower to the trolley.

Abstract: A structural cable of a construction work. The structural cable comprises: a bundle of load-bearing tendons (20), a first sheath (26) containing the bundle of tendons, a second sheath (28) arranged around the first sheath, the second sheath comprising windows (31), and a plurality of light-radiating modules (46) configured to radiate light, each light-radiating module being arranged within the structural cable to radiate light through at least one window outwardly relative to the structural cable.

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: A fire protection device for a structural cable is proposed including taught metal reinforcements (32) and having a first stretch (41), a second stretch (42) and a connection zone (40) of a collar (30) located between the first and second stretches. The fire protection device comprises a protective mat (34) surrounding the structural cable (16) in the first and second stretches (41, 42) and interrupted in the connection zone (40), and a thermally insulating ring (36) more rigid than the protective mat (34), arranged between the reinforcements (32) and the collar (30) in the connection zone (40) and cooperating with the protective mat in order to provide the reinforcements with a continuous thermal protection along the first stretch (41), of the connection zone (40) and of the second stretch (42).

Abstract: A fire protection device for a structural cable is proposed including taught metal reinforcements (32) and having a first stretch (41), a second stretch (42) and a connection zone (40) of a collar (30) located between the first and second stretches. The fire protection device comprises a protective mat (34) surrounding the structural cable (16) in the first and second stretches (41, 42) and interrupted in the connection zone (40), and a thermally insulating ring (36) more rigid than the protective mat (34), arranged between the reinforcements (32) and the collar (30) in the connection zone (40) and cooperating with the protective mat in order to provide the reinforcements with a continuous thermal protection along the first stretch (41), of the connection zone (40) and of the second stretch (42).