EP1087077B1 - Procédé et dispositif pour le levage et/ou la restauration de mâts - Google Patents

Procédé et dispositif pour le levage et/ou la restauration de mâts Download PDF

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Publication number
EP1087077B1
EP1087077B1 EP00119145A EP00119145A EP1087077B1 EP 1087077 B1 EP1087077 B1 EP 1087077B1 EP 00119145 A EP00119145 A EP 00119145A EP 00119145 A EP00119145 A EP 00119145A EP 1087077 B1 EP1087077 B1 EP 1087077B1
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EP
European Patent Office
Prior art keywords
mast
clamp
concrete
jury
extension arm
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Expired - Lifetime
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EP00119145A
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German (de)
English (en)
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EP1087077B8 (fr
EP1087077A1 (fr
Inventor
Richard Dipl.-Ing. Anderka
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ABB Leitungsbau GmbH
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ABB Patent GmbH
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Publication of EP1087077B1 publication Critical patent/EP1087077B1/fr
Publication of EP1087077B8 publication Critical patent/EP1087077B8/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/24—Cross arms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like

Definitions

  • the invention relates to a tree and a method for increasing and / or rehabilitating concrete and solid steel masts using such a cane tree according to the preamble of claims 1 and 5.
  • Such a method and such a tree can be found in the rehabilitation of concrete and solid steel pylons for use damaged in the area of their trusses. However, they can also be used to elevate concrete and steel solid pylons become.
  • Stick trees are used until now only in the construction of lattice towers for overhead lines. In the used for this tree trees is between the short inner floor trees and the long outdoor trees. To deal with such stick trees to be able to work, they have to be held tiltably. The tips of these Stick trees are therefore movable on all four sides with sides and grab trains anchored.
  • the device described here comprises a platform which along T-shaped rails can be moved vertically.
  • the rails are on the outside surface of an already completed section of a chimney educated.
  • On the platform a mast is installed, which at its upper end a having pivotable boom.
  • FR-A-2058857 discloses a method and apparatus for quick assembly described by pylons.
  • the line masts are made of individual components put together, which are put together for this purpose.
  • the components are set on top of each other with the help of a mounting mast whose length is specified and whose diameter is substantially smaller than that of the power pole.
  • This Assembly mast is provided at its upper end with a non-movable boom.
  • the stacked components are with guide elements for the Provided mounting pole. With the help of these guide elements, the assembly mast moved so far along the finished section of the mast be that raised with it a next component and ready on the already put section of the mast can be placed.
  • a set of components is known. He includes mast shots that can be connected to each other, as well as a device for mounting the mast shots. This device is at the ends of the mast shots with axle bearings, and one Mounting rocker equipped. The mounting rocker is at both ends with one each Mastschussage and each provided a axle bearing. It will last at the last mounted mast set pivotally mounted.
  • the longitudinal axis of the mast shot can be aligned vertically and horizontally. However, it can not be around the longitudinal axis the mounting rocker are rotated.
  • the invention has for its object to provide a method with the concrete and Steel wall masts can be raised and / or refurbished so that during the necessary work for raising and / or refurbishing the ladder ropes in the upper Area of the masts can remain.
  • a device to be shown with this procedure can be carried out.
  • the tree 1 shown in Figure 1 consists essentially of a steel pipe. 2 and a hood-shaped end piece 3, which is provided with a boom 4.
  • the trusses 31, Fig. 2 shows are made of concrete, Damage (not shown here) and by steel trusses (here not shown) should be replaced.
  • German Patent Application 199 15 499. 6 is a concrete mast of this type disclosed, the renovated and / or extended and at the same time with new steel trusses.
  • inventive Tree 1 used.
  • the core of the tree 1 tree is the steel tube 2.
  • About the first, upwardly facing end 2A of the steel tube 2 is the hood-shaped Put on end piece 3.
  • the boom 4 is attached to the end piece 3, that he is aligned perpendicular to the longitudinal axis of the steel pipe 2.
  • the free outward facing End of the boom 4 is connected to a rod-shaped support member 5.
  • the second end of the support member 5 is fixed to the free end 3A of the end piece 3.
  • the inner diameter of the end piece 3 is dimensioned so that it is around the Longitudinal axis of the steel pipe 2 can be rotated. This makes it possible for the boom 4 to swing at least so far that its longitudinal axis parallel if necessary Align the longitudinal axes of the trusses 31 as shown in FIG.
  • the length of the Tree 1 tree is sized so that the concrete pole 30 remedied in the way and / or can be increased, as in German Patent Application 199 15 499. 6 is disclosed.
  • a ladder 1S is releasably attached thereto.
  • the mounting of the ladder 1S already takes place during the assembly of the cane tree 1 at the bottom 100.
  • the cane tree 1 is attached to the concrete mast 30, are suspended from the insulator chains 32 of the concrete mast 30 lines 33rd Grounded at the neighboring pylons.
  • a plug-in conductor 8 solvable built on the concrete pole 30 so that it can be climbed.
  • clamp 6 is detachably mounted on the concrete pole 30, such that it engages around it, while the clamp 7 pointing horizontally outwards is attached to the clamp 6.
  • the second end 2B of the steel pipe 2 is flattened Connector 2F provided. This is during the assembly of the tree trunk 1 suspended between the clamp 7 rotatable. In the decency of 1.0m above the clamp 6 Then two more clamps 9 and 10 are also detachably mounted.
  • the clamp 9 is attached so that it encompasses the concrete pole 30.
  • the clamp 10 is at the Clamp 9 held so that it points horizontally outward, in such a way that they themselves is located in a region between the conductor cables 33 of the two trusses 31. The The same applies to the above-described clamp 7.
  • the cane tree 1 also headphonesstelti in an area between the conductors 33 of the two trusses become.
  • Fig. 3 the two interconnected clamps 9 and 10 in to see a plan view.
  • the clamp 9 consists of two components 9X, each have five edges 9K and 9L. These are arranged in a semicircle. there are the second halves of the two opposite edges 9K in the right Angle bent outward, so that she flat extensions 9V. Two each Extensions 9V are assembled and connected by a screw 9S are connected.
  • the inner diameter of the clamp 9 is a few inches larger than the outer diameter of the concrete mast 30.
  • the between the clamp 9 and the concrete mast 30 remaining space is in areas with elements 9Z hardwood filled.
  • the concrete pole 30 is protected from damage.
  • the areas the components 9Z facing the concrete mast 30 are concave-shaped, so that they rest very well on the concrete pole 30.
  • the components 9Z are releasably attached to the inside of the clamp 9. If necessary, they can be exchanged for wider or narrower components 9Z Depending on how large the outer diameter of the respective concrete mast 30th is.
  • the clamp 10 is composed of two semicircular components 10X.
  • the inner diameter the clamp 10 is adapted to the outer diameter of the tree trunk 1.
  • Each component 10X has at its two ends in each case a planar extension 10V on.
  • Two mutually joined extensions 10V are over at least one screw 10S releasably connected.
  • Two joined extensions 10V are for attaching the clamp 10 to the clamp 9 between two extensions 9V arranged. You will get along with these from a 9S screw held together. The installation of the clamps 9 and 10 happens only then the cane tree 1 is positioned so that its longitudinal axis is oriented vertically and the end piece 3 facing upward, so that the steel pipe 2 passed through the clamp 10 can be.
  • a large roller 11 is mounted on one of the two traverses 31.
  • a another roller 12 is, as shown in Fig. 4, installed at the foot of the concrete mast 30.
  • the assembled tree 1 is then with its flattened fitting 2F rotatably attached to the clamp 7.
  • a rope 13 a double-deck winch 14 as shown in FIG. 4 over the two rollers 12 and 11 out and with the Connecting piece 2F of still lying on the ground floor 100 tree 1 connected.
  • the rope 13 so far up to the flat end piece 2F is located between the clamp 7 and with the screw 7S so mounted can be that the cane tree 1 pivoted to the concrete mast 30 and away from it can be.
  • a tension-resistant line 17 (here only one shown) for the erection of the tree trunk 1 attached.
  • the clamp 18 is at a distance of 0.30 m above the clamp 9 is mounted.
  • the lines will be 17 passed over the conductor cables 33 to the bottom 100. You will first sit up used to stabilize the tree 1 sideways. They will be off the ground 100 out of technicians by hand.
  • the two clamps 9 and 10 are installed as above described. Subsequently, the tree trunk 1 in the clamp 10 is static loadable fixed. Then the second ends of the lines 17 are anchored in the floor 100.
  • one of the lines 17 is previously transferred to a clamp 19, which is installed immediately above the bracket 18. Through the two lines 17 a greater safety and a lower dead weight of the tree trunk 1 is achieved.
  • the conductors 33 are disconnected and hung on the clamp 9. This is on the sides, which are parallel to the conductors 33 run for this purpose each with three eyelets 9H, as shown in Figures 1, 3 and 5 are shown.
  • the conductors 33 are hung only about 1.0m deeper. Thus, the vertical distances to undernchenden objects (not here shown) still sufficient. Costs for scaffolding and / or other measures are thus avoided.
  • Concrete trusses 31 to be replaced are as shown in Fig. 5, each with a slip 20, which embraces each traverse 31, suspended from a fork armature 21.
  • Fig.6 shows the fork armature 21 at the on the rollers 22 and 23rd hanging rope 28 is suspended.
  • the rollers 22 and 23 are on a tab 3L of the tail or a tab 4 L of the boom 4 is arranged.
  • the top to be cut off End of the concrete mast 30A becomes horizontal with a pulling stroke (not shown) intercepted.
  • the lines 25 and 26 attached and the concrete pole 30 according to the section line A-A 'horizontal cut off.
  • the cut end 30A of the concrete mast 30 with the two trusses 31 is lowered with the Switzerlandhub in the vertical.
  • the boom 4 is now with the help of the lines 25 and 26 pivoted by 90 ° so that the longitudinal axes of two trusses 31 parallel to the conductors 33 run. Since the boom 4 a Length of 0.80 m, depends the cut end 30 A of the concrete mast 30th with the trusses 31 in front of the conductor cables 33, which are suspended on the eyelets 9H of the clamp 9 are. Thus, the end 30A of the concrete mast 30 without difficulty the bottom 100 are drained.
  • Fig. 7 shows a tip 35 with which the concrete pole 30 shown in FIG. 8 now at his upper end 30A is provided.
  • This is made of a commercial, galvanized Made of sheet steel. It has a cross-section of eight edges of equal length (here not shown) is limited.
  • the tip 35 is designed to be the concrete pole 30 envelops over a defined length envelope. As concrete poles in general not absolutely round and straight and their diameter is not measured to the nearest millimeter can be made, the tip 35 is provided with a diameter of five mm greater than that of the concrete mast 30.
  • the length of section 36 with which the top 35 overlaps the upper end 36A is determined by the diameter of the concrete mast 30. It must be at least 1.5 times the diameter that the Concrete mast 30 at the upper edge of the clamp 9 has.
  • the length of section 36 must be at least 0.57 m.
  • the length of the tip 35 thus results from the length of Area which is damaged on the concrete pole 30 and thus must be replaced, plus the Length of the required overlap 36.
  • the concrete mast 30 is repaired. An additional increase in the concrete mast 30 is not provided.
  • a minimum length of the tip 35 of 1.00 + 0.57 1.57 m.
  • Will the length of section 36 for reasons of safety to three times the diameter preferably increased to 1.14 m, so a peak 35 with a length of 2.14 m to use.
  • the tip 35 is at its second, upwardly facing end with two outwardly facing flanges 37 and 38 provided.
  • the height of the flanges 37 and 38 is about 0.30m. This is to be added to the length of 2.14 m, so that gives a total length of the tip 35 of about 2.44 m.
  • the flanges 37 and 38 are arranged in a common plane perpendicular to the longitudinal axis of the traverse 31.
  • At each flange 37, 38 is a traverse 31 of galvanized, coated Screwed steel sheet.
  • the tip 35 is also designed so that the new traverses 31 after installing the top 35 on the concrete pole 30 in the same Height as the original trusses 31 are arranged.
  • the tip 35 is with the assembled trusses 31 and the insulator chains 32 with Help the cane tree 1 raised in the same way as the severed end 30A of the concrete mast 30 was previously drained, and so high that they are above the Concrete mast 30 hangs. With the help of the lines 25 and 26 of the boom 4 is back in his swung back original position. The tip 35 is shown with the in Fig. 6 Rope 27 pulled over the roller 23 to the center of the concrete mast 30 and then with the two on the rollers 12 and 12A at the foot of the concrete mast 30 current ropes 27 and 28 of the double-deck winch 14 lowered until the top 35 on the clamp. 9 seated.
  • the trusses 31 are aligned, the tip 35 is grounded and with shrinkage-free rapid cement (not shown here) poured out. To the outflow To prevent the quick cement, a soft material is placed on the clamp 9. After the rapid cement has cured, the conductor cables 33 are returned to the Insulator chains 32 attached. Then the cane tree 1, the bells 6, 9, 18 and 19, the large roller 11 and the plug conductor 8 degraded, the groundings to the Neighboring masts expanded and the line is put back into operation.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Shovels (AREA)
  • Paper (AREA)
  • Ladders (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Claims (8)

  1. Mât de hissage avec comme âme un tube d'acier (2) à l'extrémité supérieure duquel est monté mobile en rotation une pièce structurelle (3) comportant une flèche (4) et un élément support (5) en forme de barre relié à l'extrémité dirigée vers l'extérieur de la flèche (4) et à l'extrémité libre de la pièce structurelle (3), caractérisé en ce que la pièce structurelle (3) est conformée en forme de pièce d'extrémité (3) en forme de chapeau coiffant, mobile en rotation, la première extrémité (2A) du tube d'acier (2) et que la flèche (4) qui y est fixée est orientée perpendiculairement à l'axe longitudinal du tube d'acier (2), en ce que la pièce d'extrémité (3) est munie de deux poulies (22 et 23), dont une poulie (22) est disposée sur une patte (4L) à l'extrémité libre de la flèche (4) et la deuxième poulie (23), sur une patte (3L) prévue à même la pièce d'extrémité (3), en ce qu'un câble (27, 28) est respectivement passé sur une des poulies (22, 23) et est apte à être relié à un treuil à deux niveaux (14) et en ce que le tube d'acier (2) est muni à sa deuxième extrémité (2B) d'une pièce de raccordement (2F) aplatie.
  2. Mât de hissage selon la revendication 1, caractérisé en ce que, pour installer le mât de hissage (1), il est prévu une première bride (6) dont le diamètre intérieur est apte à être relié à la section du mât (30) à âme pleine en béton ou en acier de laquelle il est conjugué et que sur la première bride (6) est retenue la deuxième bride (7) à laquelle est fixée mobile en rapprochement ou en éloignement du mât en béton (30) la pièce de raccordement aplatie (2S) du mât de hissage (1).
  3. Mât de hissage selon la revendication 1 et 2, caractérisé en ce qu'il est prévu une troisième bride (9) composée de deux composants (9X) assemblés, que chacun des composants (9X) comporte cinq arêtes (9K et 9L) qui sont orientées en forme de demi-cercle de telle sorte que les deuxièmes moitiés de deux arêtes (9K) espacées et parallèles sont courbées à angle droit vers l'extérieur sous forme d'extensions (9V), que les deux composants (9X) sont assemblés de telle sorte que deux extensions (9V) sont situées directement en face l'une de l'autre et sont reliées entre elles de façon amovible, que deux arêtes (9L) des composants (9X) destinées à être orientées parallèlement aux câbles conducteurs (33) prévus sur le mât à âme pleine en béton ou en acier sont munies à l'extérieur d'oeillets (9H) destinés à retenir les câbles conducteurs (33), que le diamètre intérieur de la bride (9) est supérieur de quelques centimètres au diamètre extérieur du mât à âme pleine en béton ou en acier (30) et que l'espace subsistant entre la bride (9) et le mât à âme pleine en béton ou en acier (30) est rempli par zones de composants (9Z) en bois dur aux faces internes concaves.
  4. Mât de hissage selon les revendications 1 à 3, caractérisé en ce qu'il est prévu une quatrième bride (10) constituée par deux composants (10X) en forme de demi-cercle dont le diamètre intérieur est conjugué du diamètre extérieur du tube d'acier (2), en ce que chaque composant (10X) comporte à chacune de ses deux extrémités une extension (10V) surfacique orientée vers l'extérieur et que les deux composants (10X) sont assemblés de telle sorte que deux extensions (9V) respectives se font directement face et sont reliées entre elles de façon amovible, en ce que deux extensions (10V) assemblées de la quatrième bride (10) sont disposées entre deux extensions (9V) de la troisième bride (9) et sont retenues ensemble et avec celles-ci de façon amovible et en ce que le tube d'acier (2) est apte à être fixé dans la bride (10).
  5. Procédé destiné à exhausser et/ou à réparer un mât à âme pleine en béton ou en acier (30) avec deux traverses (31), des chaínes d'isolateurs (32) et des câbles conducteurs (33) en utilisant un mât de hissage (1) conforme à la revendication 1, caractérisé en ce que l'on monte de façon amovible le mât de hissage (1) sur le mât en béton (30), que l'on démonte les câbles conducteurs (33) des chaínes d'isolateurs (31) et qu'on les fixe sur le mât en béton (30) à peu de distance en dessous des traverses (31), en ce que l'on détache du mât en béton (30), à une distance définie en dessous des traverses (31), l'extrémité (30A) du mât en béton (30) fixée à une flèche (4) du mât de hissage (1) et qu'on la descend ensuite au sol (100), en ce que l'on fixe sur la flèche (4) une pointe (35) réalisée en acier sur laquelle on a monté des traverses (31) munies de chaínes d'isolateur (32), qu'on la tire vers le haut, qu'on en coiffe l'extrémité du mât en béton (30) et qu'on l'aligne et en ce que l'on suspend de nouveau les câbles conducteurs (33) aux chaínes d'isolateurs (32) et qu'on les remet en fonctionnement.
  6. Procédé selon la revendication 5, caractérisé en ce que l'on accroche au mât en béton (30) une échelle extérieure (8) et qu'on installe à une distance définie en dessous de la face inférieure des traverses (31) une première bride (6) du mât de hissage (1) ainsi qu'une première poulie (11) sur l'une des traverses (31) et une deuxième poulie (12) au pied du mât en béton (30), en ce que l'on fixe sur la première bride (6) une deuxième bride (7) orientée parallèlement aux câbles conducteurs (33) et que l'on relie un câble (13) à la deuxième extrémité (2B) du mât de hissage (1), qu'on le fait passer par la première poulie (11) et par la deuxième poulie (12) et qu'on le relie à un treuil à deux niveaux (14), en ce que l'on tire le mât de hissage (1) vers le haut et qu'on l'installe sur la deuxième bride (7) par la pièce de raccordement (2F) aplatie prévue sur la deuxième extrémité (2B) de manière à être mobile en pivotement en éloignement ou en rapprochement du mât en béton ou du mât à âme pleine en acier (30), en ce que l'on relie le câble (13) à la flèche (4) et que l'on retient dans un premier temps le mât de hissage (1) par un deuxième câble (15) du treuil à deux niveaux (14) relié à l'extrémité libre de la pièce d'extrémité (3) à une distance donnée du mât en béton (30) de telle sorte que la flèche (4) est dirigée vers le haut jusqu'à ce que le câble (13) forme avec le mât en béton (30) un angle suffisant permettant de tirer directement le mât de hissage (1) dans une position définitive dans laquelle la pièce d'extrémité (3) est dirigée vers le haut.
  7. Procédé selon l'une quelconque des revendications 5 et 6, caractérisé en ce que l'on installe une troisième bride (9) du mât de hissage (1) à un mètre au-dessus de la première bride (6) et que l'on fixe le mât de hissage (1) dans une quatrième bride (10) reliée à la troisième bride (9) de manière à ce qu'il ait une capacité portante statique et qu'on le relie en outre à deux câbles (17) résistant à la traction dont les premières extrémités sont accrochées dans une bride (18 et 19) respective installée en dessous de la flèche (4) et dont les deuxièmes extrémités sont haubanées en direction du sol (100) dans lequel elles sont ancrées, en ce que l'on déconnecte ensuite les câbles conducteurs (33) et qu'on les suspend dans des oeillets (9H) de la troisième bride (9), en ce que l'on fixe l'extrémité supérieure (30A) du mât (30) avec les traverses (31) à la flèche (4) du mât de hissage (1), que l'on fixe à chacune des extrémités des traverses (31) une corde respective (25 et 26) et que l'on coupe horizontalement le mât en béton (30) à une distance définie en dessous de la face inférieure des traverses (31), en ce que l'on fait pivoter de 90° la flèche (4) à l'aide des cordes (25 et 26) et que l'on descend l'extrémité (30A) du mât en béton (30) au sol (100).
  8. Procédé selon l'une quelconque des revendications 3 à 7, caractérisé en ce que l'on assemble tout d'abord une pointe (35) en tôle d'acier, deux traverses (31) en acier et des chaínes d'isolateurs (32), que l'on fixe sur la flèche (4) cette pointe préassemblée, qu'on la tire vers le haut, et qu'on oriente ensuite les axes longitudinaux des traverses (31) de manière à ce qu'ils soient perpendiculaires aux câbles conducteurs (33) en tournant la flèche (4), en ce qu'avec un câble supplémentaire (27) et une poulie (23) on tire la pointe (35) vers le centre du mât en béton (30), qu'on la descend ensuite avec deux câbles (27 et 28), qu'on en coiffe le mât en béton (30) et qu'on la pose sur la bride (9), en ce que l'on aligne et met à la terre les traverses (31) et qu'on coule dans la pointe (35) du ciment à prise rapide sans retrait et en ce que l'on fixe les câbles conducteurs (33) aux chaínes d'isolateurs (32) des traverses (31) après durcissement du ciment à prise rapide.
EP00119145A 1999-09-25 2000-09-05 Procédé et dispositif pour le levage et/ou la restauration de mâts Expired - Lifetime EP1087077B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19946060 1999-09-25
DE19946060A DE19946060A1 (de) 1999-09-25 1999-09-25 Verfahren und Vorrichtung zur Erhöhung und/oder Sanierung von Masten

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EP1087077A1 EP1087077A1 (fr) 2001-03-28
EP1087077B1 true EP1087077B1 (fr) 2005-07-27
EP1087077B8 EP1087077B8 (fr) 2005-09-28

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EP (1) EP1087077B8 (fr)
AT (1) ATE300644T1 (fr)
DE (2) DE19946060A1 (fr)

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CN103912135B (zh) * 2014-04-04 2015-12-30 山东省产品质量检验研究院 网架结构弦杆矫正装置及矫正方法
CN110805353A (zh) * 2019-09-29 2020-02-18 国网江苏省电力有限公司徐州供电分公司 一种利用组合式电动抱杆架设输电塔架的方法
CN112627623A (zh) * 2020-12-03 2021-04-09 国网辽宁省电力有限公司锦州供电公司 带电更换电线杆方法
CN113236011B (zh) * 2021-06-03 2022-09-23 河北久金电力器材制造有限公司 便于安装的横担及使横担便于安装的方法
CN113833300B (zh) * 2021-09-17 2023-01-20 广东电网有限责任公司 一种输电塔维修方法

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GB350465A (en) * 1930-02-05 1931-06-05 Eugen Haber Improvements in staging for use in building metal chimneys in sections
US3074564A (en) * 1961-03-01 1963-01-22 Chicago Bridge & Iron Co Mast extension jib
DE1198981B (de) * 1964-03-06 1965-08-19 Bbc Brown Boveri & Cie Montagegeraet fuer Rohrantennenelemente und Mastbauwerke
DE1658882A1 (de) * 1967-08-18 1971-02-11 Inst Stahlbeton Verbindungsmittel fuer Stahlbetonteile,insbesondere fuer Stahlbetonmaste
FR2058857A5 (fr) * 1969-09-30 1971-05-28 Morihain Marcel
DE2255713A1 (de) * 1972-11-14 1974-05-16 Starkstrom Anlagen Gmbh Bauelementensatz fuer die errichtung von masten
DE3506677A1 (de) * 1985-02-26 1986-08-28 Ludwig Freytag GmbH & Co KG, 2900 Oldenburg Verfahren zum verstaerken von freileitungsmasten aus beton
DE3608771A1 (de) * 1986-03-15 1987-09-24 Bbc Brown Boveri & Cie Innenstockbaum
JP2879316B2 (ja) * 1995-07-14 1999-04-05 株式会社藤栄建設興業 建柱用ポール
DE19915499A1 (de) 1999-04-07 2000-10-12 Abb Patent Gmbh Betonmast für Freileitungen

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EP1087077B8 (fr) 2005-09-28
DE50010815D1 (de) 2005-09-01
ATE300644T1 (de) 2005-08-15
EP1087077A1 (fr) 2001-03-28
DE19946060A1 (de) 2001-04-26

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