EP1043457B1 - Betonmast für Freileitungen - Google Patents
Betonmast für Freileitungen Download PDFInfo
- Publication number
- EP1043457B1 EP1043457B1 EP00106374A EP00106374A EP1043457B1 EP 1043457 B1 EP1043457 B1 EP 1043457B1 EP 00106374 A EP00106374 A EP 00106374A EP 00106374 A EP00106374 A EP 00106374A EP 1043457 B1 EP1043457 B1 EP 1043457B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- concrete mast
- concrete
- cross
- length
- mast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
Definitions
- the invention relates to a method for renovating and / or increasing Concrete pylons for overhead lines according to the preamble of claim 1 as disclosed in US-A-3 911 548, and to a concrete mast produced by this method according to claim 5.
- Heavy current overhead lines for nominal voltages from 10 kV to 50 kV are often used Concrete masts laid.
- the concrete masts used are between vibrating concrete masts and spun concrete masts.
- the masts are very durable. It However, it has been shown that damage in the form of cracks and chipped material occur. If the stability is not yet at risk, you can this damage can be repaired using the methods known to date.
- the invention is therefore based on the object of demonstrating a method with repairs the concrete masts of the type mentioned in the event of damage and / or for a higher operating voltage and thus higher performance can be upgraded. Furthermore, the invention is based on the object of refurbishing this method and / or to show elevated concrete mast.
- FIG. 1 shows a cut concrete mast 1, which is designed as a tip 2 Attachment is provided. Two trusses 3 and 4 are attached to this.
- Concrete mast 1 is the concrete mast 1 shown in FIG Torsional forces in the upper area of his shaft are damaged.
- the overhead lines 5 are first switched off according to FIG. 5.
- two auxiliary cross members 30 and 40 are attached to the concrete mast 1. You serve for hanging the overhead lines, for picking up the stick tree, for the side Anchoring the stick tree and as a support for the top.
- Each of the two Auxiliary trusses 30 and 40 have a length of 1.5-2.0 m.
- the lowered conductor cables 5 (not shown here) are suspended. Subsequently the damaged part of the concrete mast 1 according to FIG. 5 below the Break 100 cut horizontally along line A-A.
- the tip 2 intended for renovation is made of a galvanized sheet steel. It has the cross section shown in FIG. 2. It is made up of eight edges of equal length limited.
- the tip 2 is also shaped so that it extends from its first end 2A, that encloses the concrete mast 1 like a shell, conical up to its second end 2B rejuvenated.
- the cone of the tip 2 is adapted to the cone of the concrete mast 1. In the exemplary embodiment shown here, it is 15 mm / m. Its dimensions can also be selected differently if required.
- the tip 2 in the section 2L which surrounds the free end of the concrete mast 2 like a shell, with a diameter provided, which is five mm larger than the diameter that cannot be measured exactly of the concrete mast 1 in this area. It also increases friction and Adhesion area between concrete mast and tip 2 reached. In addition, the alignment the tip 2 may be corrected if necessary.
- the section closes down 2L of the tip 2, the free end of the concrete mast 1 as shown in FIG. 1 like an envelope encloses.
- the length of this overlap 2L is the diameter 1 D of the Concrete mast 1 co-determined according to FIG. 2. It should be at least 1.5 times the Diameter be 1 D.
- the Concrete mast 1 for example, a diameter of 0.38 m. So that the length of the Section 2L must be at least 0.57 m.
- the length of the tip 2 results from the Length of the area that is damaged on the concrete mast 1 and must therefore be replaced, plus the length of the required overlap 2L between the concrete mast 1 and the tip 2. In the embodiment shown here, the concrete mast 1 is only repaired.
- the flanges 12 and 13 are in a common plane perpendicular to the longitudinal axis of the Tip 2 aligned.
- a cross member 3 and 4 is attached to each flange 12, 13.
- Each of the two cross members 3 and 4 is made of hot-dip galvanized, coated steel sheet manufactured. Their dimensions are adapted to the respective conditions.
- the Color of the steel tip 2 and the trusses 3 and 4 can match the Color of the concrete mast 1 can be adjusted.
- the tip 2 is over the remaining, the upper end of the cut concrete mast 1 slipped.
- four sets of screws 9 are provided at the bottom and approximately in the middle of the tip 2. These are arranged all around the same distance apart on one level.
- the Tip 2 is grounded with a cable connector (not shown here) on a special earth reinforcement iron (not shown here) of the concrete mast 1 and an aluminum wire (not shown) with a cable lug on a flat connection in the tip 2.
- the cavities 10, which, as shown in FIG. 2, are present at the locations are where there is no contact between the tip 2 and the concrete mast 1 After setting up tip 2, pour out a non-shrinking quick-setting cement (not shown here).
- the Tip 2 sealed at the bottom with adhesive tape (not shown here).
- 2 openings 11 are provided in the tip, each with a plate 11P are lockable.
- the openings 11 are arranged so that they are about 0.05 m above of the cut concrete mast 1. After making the ground connection in the top and filling the cavities 10 are the openings 11 closed.
- the tip 2 is closed at its second end 2B with a cover 8E. So that moisture can escape from the inner surfaces of the concrete mast 1 more quickly ventilation is provided.
- below the Cover 8E provided four openings 2E.
- a concrete mast 1 for medium voltage overhead lines of 10kV also for higher ones
- the method according to the invention is increased to such an extent that it can be used for an operating voltage up to 150 kV is suitable.
- This increase is necessary because the up now used insulator chains (not shown here) must be replaced.
- the insulator chains 5K, which are required for an operating voltage of 150kV need a greater distance from the ground and from intersection objects that is not given if the original height of the concrete mast 1 is maintained.
- the same process steps are carried out for raising a concrete mast 1 as shown in Fig. 1 and explained in the accompanying description.
- the Power line overhead cables 5 are placed on auxiliary cross beams (not shown here).
- the concrete mast 1 becomes about 0.10m below the lower edge of its original Traverse (not shown here) cut horizontally. It becomes a top 2 used, which brings for example an increase of 0.90 m and an overlap 2L of 1.15 m between the concrete mast 1 and the tip.
- the length of the Overlap 2L also corresponds to three times the diameter 1D of the concrete mast 1.
- the flanges 12 and 13 to which the two new cross members 3 and 4 are attached are opposite the lower edges of the original trusses (here not shown) by 0.90 m higher.
- the width of the flanges 12 and 13 is also here about 0.30m. To take this length into account in the total length of tip 2.
- the new trusses 3 and 4 will not be longer than the old trusses (here not shown). This is important because it means that the original line or Protective strip width is kept unchanged.
- an earth rope optical waveguide is used for this used.
- the construction of such a ground cable optical fiber has long been known. It is therefore not explained in more detail here.
- Such an earth rope optical fiber 5E serves as lightning protection for the route (not shown here).
- the tip is 2, which is used to raise the concrete mast 1 is provided, at its second end 2B compared to that shown in Fig. 3 and exemplary embodiment explained in the associated description an additional extension of about two meters.
- the earth rope optical fiber 5E is installed in this extension. On the extension the tip 2 can also be omitted with a 150 kV power line 5 become. In this case, the earth rope optical fiber 5E will replace the fourth chain of insulators 5K attached to the traverse 4, while the overhead power lines 5 are attached to the three insulator chains 5K. For optimal lightning protection for the To reach the concrete mast 1 and the high-voltage overhead lines 5, the earth rope optical fiber 5E attached to the crossbar 3, 4 near the concrete mast 1.
Description
- Fig. 1
- einen reparierten Betonmast,
- Fig. 2
- einen Querschnitt durch einen Betonmast gemäß Fig. 1.,
- Fig. 3
- einen mit dem erfindungsgemäßen Verfahren erhöhten Betonmast
- Fig. 4
- eine Variante des Betonmasts gemäß Fig. 3.
- Fig. 5
- den beschädigten Betonmast einer Mittelspannung-Freileitung.
Claims (12)
- Verfahren zur Sanierung und/oder Erhöhung von Betonmasten (1) mit jeweils zwei Traversen (3 und 4) für Freileitungen (5), dadurch gekennzeichnet, daß jeder Betonmast (1) unterhalb der Traversen (3 und 4) abgeschnitten und mit einem das freie Ende des Betonmastes (1) bereichsweise hüllenartig umschließenden Ansatzstück (2) vorgebbarer Länge versehen wird, an dem wenigstens zwei Traversen (3 und 4) an definierter Stelle befestigt werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Betonmast (1) mindestens 0,10m unterhalb von der Unterkante der beiden Traversen (3 und 4) abgeschnitten wird, daß über das freie Ende des Betonmasts (1) ein als Spitze (2) ausgebildetes Ansatzstück (2) gestülpt wird, welches das freie Ende des Betonmastes (1) über eine definierte Länge hüllenartig umschließt, und daß die Befestigung der Traversen (3 und 4 ) in der gleichen Höhe und/oder in einem definierten Abstand über der ursprünglichen Befestigung vorgenommen wird.
- Verfahren nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß bei einer Sanierung des Betonmastes (1) die gesamte Länge der Spitze (2) so bemessen wird, daß die neuen Traversen (3 und 4) in der gleichen Höhe wie ursprünglichen Traversen (3, 4) angeordnet werden, und daß das freie Ende des Betonmasts (1) von der Spitze (2) über eine Länge, die dem 1,5- bis 3-fachen Durchmesser (1D) des Betonmasts (1) entspricht, hüllenartig umgeben wird.
- Verfahren nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß bei einer Erhöhung des Betonmastes (1) die Länge der Spitze (2) so bemessen wird, daß sie der Länge der Spitze (2) bei einer Sanierung zuzüglich der gewünschten und/oder der statisch möglichen Länge entspricht, und daß das freie Ende des Betonmasts (1) von der Spitze (2) über eine Länge, die dem 1,5- bis 3-fachen Durchmesser (1 D) des Betonmasts (1) entspricht, hüllenartig umgeben wird.
- Betonmast mit wenigstens zwei Traversen (3 und 4) für Freileitungen (5), dadurch gekennzeichnet, daß der Betonmast (1) unterhalb seiner ursprünglichen Traversen abgeschnitten und sein freies Ende bereichsweise von einem Ansatzstück (2) hüllenartig umgeben ist, das eine vorgebbare Länge aufweist, und daß zwei Traversen (3 und 4) in der ursprünglichen Höhe oder in einem vorgebbaren Abstand oberhalb davon am Ansatzstück (2) lösbar befestigt sind.
- Betonmast nach Anspruch 5, dadurch gekennzeichnet, daß das Ansatzstück (2) als konisch geformte Spitze ausgebildet und über das freie Ende des Betonmastes (1) gestülpt ist, daß die Spitze (2) mit mindestens zwei Flanschen (12 und 13) zur Befestigung von wenigstens zwei Traversen (3 und 4) in der ursprünglichen Höhe oder in einem vorgebbaren Abstand über dem ursprünglichen Befestigungspunkt versehen ist.
- Betonmast nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, daß die Spitze (2), die Flansche (12 und 13) und die Traversen (3 und 4) aus verzinktem Stahlblech gefertigt sind.
- Betonmast nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß die Spitze (2) von ihrem ersten, das freie Ende des Betonmastes (1) umschließenden Ende (6A), bis ihrem zweiten Ende (6B) konisch verjüngt ist, daß die Spitze (2) mit einen 8-kantigen Querschnitt versehen ist, dessen Innendurchmesser maximal 5mm größer bemessen ist als der Außendurchmesser des Betonmastes (1), und daß die Hohlräume (10) zwischen dem Betonmast (1) und der Spitze (2) mit einem Schnellzement ausgefüllt sind.
- Betonmast nach einem der Ansprüche 5 bis 8,dadurch gekennzeichnet, daß, die gesamte Länge der Spitze (2) bei einer Sanierung so bemessen ist, daß die neuen Traversen (3 und 4) in der gleichen Höhe wie die ursprünglichen Traversen (3 und 4) angeordnet sind, und daß das freie Ende des Betonmasts (1) von der Spitze (2) über eine Länge hüllenartig umgeben ist, die dem 1,5- bis 3-fachen Durchmesser (1D) des Betonmasts (1) entspricht.
- Betonmast nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß die gesamte Länge der Spitze (2) bei einer Erhöhung so bemessen ist, daß sie der Länge der Spitze (2) bei einer Sanierung zuzüglich der gewünschten und/oder der statisch möglichen Länge entspricht, und daß das frei Ende des Betonmasts (1) von der Spitze (2) über eine Länge hüllenartig umgeben ist, die dem 1,5- bis 3-fachen Durchmesser (1D) des Betonmasts (1) entspricht
- Betonmast nach einem der Ansprüche 5 bis 10, dadurch gekennzeichnet, daß ein Erdseil-Lichtwellenleiter (5E) vorgesehen ist, der an einer zusätzlichen Verlängerung der Spitze (2) oder an einer Traverse (3, 4) befestigt ist.
- Betonmast nach Anspruch 11 , dadurch gekennzeichnet, daß die Spitze (2) für die Halterung des Erdseil-Lichtwellenleiters (5E) um wenigstens zwei Meter zusätzlich nach oben verlängert ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19915499 | 1999-04-07 | ||
DE19915499A DE19915499A1 (de) | 1999-04-07 | 1999-04-07 | Betonmast für Freileitungen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1043457A2 EP1043457A2 (de) | 2000-10-11 |
EP1043457A3 EP1043457A3 (de) | 2001-09-26 |
EP1043457B1 true EP1043457B1 (de) | 2004-04-21 |
Family
ID=7903668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00106374A Expired - Lifetime EP1043457B1 (de) | 1999-04-07 | 2000-03-24 | Betonmast für Freileitungen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1043457B1 (de) |
AT (1) | ATE264972T1 (de) |
DE (2) | DE19915499A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19946060A1 (de) | 1999-09-25 | 2001-04-26 | Abb Patent Gmbh | Verfahren und Vorrichtung zur Erhöhung und/oder Sanierung von Masten |
FR2890991B1 (fr) * | 2005-09-16 | 2007-11-09 | Gcc Soc Par Actions Simplifiee | Procede de renforcement d'un poteau en beton existant et poteau ainsi renforce |
CN103276940A (zh) * | 2013-06-14 | 2013-09-04 | 祁锦明 | 带横担连接点的混凝土杆及其制作方法 |
CN105484554A (zh) * | 2016-01-06 | 2016-04-13 | 国网浙江省电力公司湖州供电公司 | 一种高压错层穿跨杆塔 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1434559B2 (de) * | 1962-12-17 | 1971-01-21 | Beton Schleuderwerke GmbH, 8520 Erlangen | Befestigung einer Traverse auf eine m Betonmast |
DE1658882A1 (de) * | 1967-08-18 | 1971-02-11 | Inst Stahlbeton | Verbindungsmittel fuer Stahlbetonteile,insbesondere fuer Stahlbetonmaste |
US3911548A (en) * | 1974-10-02 | 1975-10-14 | Interpace Corp | Method for replacing existing utility pole without disturbing hardware mounted thereon |
US4092079A (en) * | 1975-12-02 | 1978-05-30 | Interpace Corporation | Connector for use in a method for replacing an existing utility pole without disturbing hardware mounted thereon |
DE3506677A1 (de) * | 1985-02-26 | 1986-08-28 | Ludwig Freytag GmbH & Co KG, 2900 Oldenburg | Verfahren zum verstaerken von freileitungsmasten aus beton |
US5661946A (en) * | 1996-04-09 | 1997-09-02 | Davis; Kenneth | Pole top extension |
-
1999
- 1999-04-07 DE DE19915499A patent/DE19915499A1/de not_active Ceased
-
2000
- 2000-03-24 AT AT00106374T patent/ATE264972T1/de not_active IP Right Cessation
- 2000-03-24 DE DE50006114T patent/DE50006114D1/de not_active Expired - Lifetime
- 2000-03-24 EP EP00106374A patent/EP1043457B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50006114D1 (de) | 2004-05-27 |
EP1043457A2 (de) | 2000-10-11 |
DE19915499A1 (de) | 2000-10-12 |
ATE264972T1 (de) | 2004-05-15 |
EP1043457A3 (de) | 2001-09-26 |
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