Wind turbine containing segmented tower and foundation
SUBSTANCE: wind turbine contains a foundation and a tower with a pularity of tower segments mounted on the foundation, wherein the foundation has a tower base which extends longitudinally and which is at least partially embedded in the foundation. The tower base consists of at least two pre-cast concrete segments, the lower tower segment is pulled together with at least two pre-cast concrete segments of the tower base by means of tension rods, tension strands or tension cables. Each of the mentioned at least two pre-cast concrete segments comprises a plurality of tubular elements or through holes for receiving the tension rods, tension strands or tension cables. The tower of the wind turbine is also described.
EFFECT: improved connection of the tower to the foundation.
7 cl, 4 dwg
FIELD: power industry.
SUBSTANCE: invention refers to a segment (1) of wind power plant tower. Tower segment (1) is made in the form of side wall segment and feature reinforced concrete housing with two joint elements (6) matching joint elements of another tower segment. In the reinforced concrete housing, at least one connection element is embedded and anchored in each link (6) area to engage with connection element (12) of adjoining tower segment. Connection element (12) features fastening wall (14) basically parallel to respective joint element (6) and absorbing tensile load directed across the joint element (6) and across fastening wall (14). At least one reinforcement bar (20) attached to the first fastening wall (16) is tilted against reinforcement bar (22) connected to another side wall (18) by a definite angle (26).
EFFECT: prolonged life of wind power plant or maintenance periods.
14 cl, 12 dwg
SUBSTANCE: assembly kit includes reinforced concrete rack, isolated wire fixation elements 2, support element 3 for attachment of elements 2, clamp 5 for connection of support element 3 to rack armature for earthing. Elements 2 are made in the form of three electric isolation cross-bars, each consisting of two isolators 7 with lugs 8, 9 at each end, pad 10 and wire fixation element 11, so that each isolator 7 has a joint connection at the end 8 to pad 10 which is also connected to element 11 by a joint. Support element 3 is made in the form of long extension for vertical bracket fixation in extended position on top 4 with four lugs 14-17 at one side and two lugs 18, 19 at the opposite side. Lugs 14-19 are positioned in sequence along the length of long extension (3) and allow for joint connection of isolators on them by lugs 9 so that isolator pairs 7 are positioned in geometrical longitudinal axes at an angle to each other. Long extension includes two steel angles 20 bent at top 21 and welded together at the top with the help of strap 22 so that one of shelves 23 is positioned in the same plane with shelf 23 of the other angle and towards these shelves to form side walls of long extension (3) by other shelves 24, where lugs 17-19 are attached; long strap 26 welded to shelves 23 at the end of long extension (3) with protruding ends 27 at side walls where holes for bracket 12 ends; set of reinforcing plates 30 with at least one plate welded at each level of lugs 14-19, so that each reinforcing plate 30 is attached by its opposite sides to internal surfaces of both steel angles 20.
EFFECT: extended range of equipment for erection of overhead transmission line poles by intermediate pole erection kit with simple and compact design of supporting element for fixation of isolated wire bearing elements, simplifying pole transportation to the site and erection.
6 cl, 12 dwg
SUBSTANCE: kit contains at least one support made of reinforced concrete with a cross bore adjacent to the butt end in the end intended for burial into the ground, elements for insulated fixture of wires, at least one support structure to fix the elements for insulated fixture of wires, which may be mounted on the pole peak or a section adjacent to its peak, as well as a supporting plate with two openings for installation at the butt end of the pole end intended for burial, which square area exceeds the square area of the above butt end, and a bracket to fix the supporting plate. The bracket is made of two parts. One part is made as a rod with a threaded section at one end and an element with opening at the other end. The second part is made as an axial element with L-shaped sections oriented towards each other and having threaded sections at the ends. One section of the second part is made so that it can pass through the cross bore in the pole and its threaded section can pass through the opening in the first part used for the bracket fixation by a nut screwed onto the threaded section of the second part. The second section of the second part and the rod of the first part are made so that their threaded sections can pass through openings in the supporting plate in order to pull it by nuts screwed onto these threaded sections to the pole butt end.
EFFECT: expanding stock-in-trade to construct a pole of the overhead transmission line made as a kit for assembly of different poles for the lines, which is featured by a high degree of stability in the required vertical position and burial into the ground due to inclusion to the above kit of an element simple in manufacture, easy to mount and transport, in order to increase the cross-section area of the pole end intended for burial into the ground.
32 cl, 41 dwg
SUBSTANCE: reinforced-concrete vibrated pole contains body made of vibrated concrete in the shape of rectangular cross-sectional beam with two opposite inclined edges separating from the top to basis; one of them has rectangular shape and is reinforced by four angular and four longitudinal intermediate rods connected by crosswise reinforcement; at that four angular longitudinal rods are located in the pole bodies along corners, longitudinal intermediate rods are located in the pole body along the opposite inclined edges between angular longitudinal rods corresponding to adjoining edges at one level; crosswise reinforcement is made in the shape of spiral embracing and interconnecting angular and intermediate longitudinal rods at the pole length.
EFFECT: improvement of the pole construction considering loads stipulated by its use as intermediate pole of power transmission lines, increased bending load in one or two crosswise directions, and in cease of increase of transversal loads in the areas of top and basis.
8 cl, 7 dwg
SUBSTANCE: power transmission line stand is made as a hollow pillar of prestressed reinforced concrete. It has a rectangular cross section, and a longitudinally transverse reinforcement, available in the stand, is made of two identical units, every of which consists of a prestressed reinforcement wire, divided into two groups, which are remote from each other relative to a transverse axis of the stand cross section and are arranged symmetrically to it and in a row, which is parallel to a longitudinal axis of the stand cross section, which is wound with a flat spiral, besides, the above specified units are arranged symmetrically relative to the longitudinal axis of stand cross section, and the longitudinal reinforcement is a wire of 5 mm in diameter, and flat spirals are made of 3 mm wire.
EFFECT: development of a reliable, simple and manufacturable reinforced concrete stand with reduced weight.
SUBSTANCE: lengthy structure of antenna tower comprises a tower support, where a hollow inner part of the structure represents an inner installation shaft, at the same time the lengthy structure comprises a basic segment, at least one intermediate segment and a completing segment. The tower is arranged with the possibility to locate one or more basic radio station sin the installation shaft surrounded by one or more coupled antennas on top of the tower support, besides, the tower material is represented by cement-based composite materials reinforced with fibres. Also a lengthy segment of an antenna tower is described, as well as a method to assemble a lengthy structure.
EFFECT: cheaper production of structure and making its servicing possible.
19 cl, 12 dwg
FIELD: building units, particularly elongated building structure members formed of reinforced concrete and having inner reinforcement.
SUBSTANCE: support pole consists of the main concrete layer and metal reinforcement. Part of metal reinforcement is covered with dielectric material. Dielectrically insulated part is located in the area of conditional support pole foundation shear line and extended in both directions from the line for at least 1 m.
EFFECT: increased service life.
2 cl, 1 dwg
FIELD: power industry.
SUBSTANCE: arrangement method of supports of overhead power transmission lines on permanently frozen soils, in which a casing pipe is driven and a pile is submerged into it. During pile submersion process, installation of stiff elements is performed onto the shaft of the pile by welding, for that purpose, location zone of stiff elements is marked on the pile. At pile driving, when the lower mark achieves the top level of the casing pipe, geometrical measurement of gaps is performed between the casing pipe and the pile, and as per measurement results, stiff elements are manufactured, which are welded in pairs on opposite sides in one vertical plane, and as the pipe is being submerged, the operation is repeated.
EFFECT: increasing carrying capacity of a pile on horizontal loads; improving reliability due to action of forces of frost boil of the soil on the pile; reduction of labour input and material consumption.
2 cl, 1 dwg
FIELD: power industry.
SUBSTANCE: pile foundation for arrangement of supports of an overhead power transmission line includes a casing pipe and a pile arranged in it, which includes a shaft and a shoe fixed in the lower part of the shaft. A pile is provided with stiff elements that are installed on the shaft in the direction of action of horizontal forces on the pile due to action of loads from supports of the overhead line, which serve for transfer of horizontal forces from the pile to the casing pipe and located on the shaft with a pitch of not less than length of a stiff element.
EFFECT: increasing carrying capacity of a pile on horizontal loads; improving reliability due to action of forces of frost boil of the soil on the pile; reduction of labour input and material consumption for execution of works.
7 cl, 1 dwg
SUBSTANCE: invention relates to construction, namely, to a foundation system for load-perceiving placement of a body or at least one body module of a self-service machine. The foundation system for load-perceiving placement of a body or at least one body module of a self-service machine comprises at least one basement element, which comprises at least one support surface for the body or at least for one body module of the self-service machine. The basement element comprises a concrete body and at least one metal bearing element resting on it, on which there is at least one support surface for the body or the body module of the self-service machine. The metal bearing element is made as capable of levelling relative to the concrete body of the basement element with the help of at least one adjustment accessory. At least to one side, in particular, to the front side and/or rear side of the basement element, there is at least one element of paving attached from concrete. This paving element is connected to the basement element, accordingly, to its concrete body, so that movement of the paving element from the basement element is prevented.
EFFECT: increasing bearing capacity, reduced labour intensiveness and material intensity during erection.
36 cl, 13 dwg
SUBSTANCE: foundation for a pillar or a structure of tower type includes an upper shell in the form of a truncated cone that expands towards the base. In order to increase bearing capacity of the foundation, the upper shell is made on support lower shells connected in the upper part, which are made in the form of an inner cylindrical and outer shell in the form of a truncated cone, which expands towards the base, made with a ledge in the lower part below the inner cylindrical shell by 0.1 of the foundation diameter, and having an angle of inclination to the vertical line of the inner side, which is equal to the angle of the inner friction of the foundation soil. In the inner part of the shells there are materials in the form of soil and cement soil of different strength and under different angle.
EFFECT: increased bearing capacity of a foundation, reduced labour intensiveness and material intensity.
2 cl, 2 dwg
SUBSTANCE: prefabricated foundation for a column or a wall includes an outer shell located in the ground, faced by its broadening part to the base. In this case, the foundation in the lower part has an articulated joint with an inner supporting shell faced by its broadening part to the base.
EFFECT: reduction of metal consumption and reduction of labour intensity of the foundation manufacture.
SUBSTANCE: support includes buried post and plate with a central hole through which the post is put. The post has a through transverse hole, recesses are made on upper surface of the plate, the post is equipped with connection rod which is longer than the post cross-section and is inserted in the through hole in the post. Protruding ends of connection rod are placed in plate recesses and cast with concrete.
EFFECT: enhanced bearing capacity of support, reduced material and labour consumption.
6 cl, 2 dwg
FIELD: power engineering.
SUBSTANCE: foundation (100) is made, several height-adjustment blocks (500) are installed on the foundation, a load-distributing ring (200) is installed on several height-adjustment blocks (500), besides, the load-distributing ring (200) is balanced by setting of the height-adjustment blocks (500), and a joint between the foundation (100) and the load-distributing ring (200) is filled with a filling compound (300). A tower (400) is erected on the load-distributing ring (200). The height-adjustment blocks (500) are designed so that they may carry the first load in the form of the mass of the load-distributing ring (200), however, they sink, if one of several height-adjustment blocks is exposed to such a high force that the foundation via the height-adjustment blocks is exposed to the specific pressure that exceeds the specified limit value. The height adjustment blocks are made of plastic.
EFFECT: reliable and cost-effective erection of a tower, including a tower of a wind-driven plant.
8 cl, 6 dwg
SUBSTANCE: invention relates to steel supports of power transmission lines, a contact system of railroads, antenna mast communication structures and other similar facilities operated outdoors. The method to increase reliability and durability of fixation of a power transmission line steel support to a foundation includes flange connection of a support with an embedded part of the foundation, besides, in order to protect support structures and the foundation against moisture from atmospheric precipitation leaking along the support to the foundation, between supports surfaces of flanges, there is a drip strip arranged from a durable and corrosion-resistant material.
EFFECT: improved reliability, durability and resistance to vandalism, reduction of operational costs.
4 cl, 1 dwg
SUBSTANCE: foundation of a power transmission line support comprises a support board and a stand installed on it. The value of the protective concrete layer to the working reinforcement of the stand varies depending on conditions of concrete operation along the stand height.
EFFECT: improved durability and reduction of operational costs.
3 cl, 1 dwg
SUBSTANCE: method to strengthen power transmission line support comprises arrangement of strengthening elements to this support. Besides, it is strengthened with guy lines or cross braces, which are fixed to a yoke arranged above the weaker zone of the support and to screw piles deepened into soil, and the yoke is installed with an elastic circular pad between itself and the support.
EFFECT: increased bearing capacity, reliability and durability, reduced timeframes and lower cost of strengthening works, elimination of power transmission line disconnection.
5 cl, 2 dwg
FIELD: power industry, particularly foundations for poles, masts, or chimneys.
SUBSTANCE: reinforced concrete foundation in accordance with the first embodiment comprises support panel and vertical post of parallelepiped shape. The vertical post has pyramidal head. Upper part of the post is formed of high-quality concrete for depth of not more than 1 m beginning from post head. The high-quality concrete has improved resistance to frost and moisture as compared with concrete used for remainder post part forming. In accordance with the second embodiment foundation does not have panel and comprises pyramidal head.
EFFECT: increased service life of foundation.
3 cl, 3 dwg
FIELD: electric power engineering; design of reinforced concrete foundations for power transmission line supporting structures.
SUBSTANCE: foundation for free-standing supporting structures of power transmission lines, mainly for power transmission lines with narrow base, includes vertical pipe driven into soil with at least two fins oriented along the pipe and made in the form of plates fastened to said pipe opposite one another. In the upper part said pipe is equipped with a pad to install supporting structure or pile of power transmission line, and fins along the pipe are fastened to the pipe in its upper part being tapered to the lower part of the pipe and having length no more than 1/3 of the depth of pipe driving into the soil.
EFFECT: improvement of foundation performance; improvement of foundation upset resistance.
2 dwg, 3 cl