EP1335083B1 - Verfahren zur Sanierung von in Stahlgitterbauweise hergestellten Hochspannungsmasten - Google Patents
Verfahren zur Sanierung von in Stahlgitterbauweise hergestellten Hochspannungsmasten Download PDFInfo
- Publication number
- EP1335083B1 EP1335083B1 EP02002934A EP02002934A EP1335083B1 EP 1335083 B1 EP1335083 B1 EP 1335083B1 EP 02002934 A EP02002934 A EP 02002934A EP 02002934 A EP02002934 A EP 02002934A EP 1335083 B1 EP1335083 B1 EP 1335083B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- corner
- drawbar
- tension rod
- foundation
- tension
- 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
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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
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/10—Truss-like structures
Definitions
- the invention relates to a method for the rehabilitation of steel lattice construction produced pylons with four corner stems and a foundation.
- Such high voltage pylons are also called overhead towers designated.
- the arranged at the four corners of the high voltage mast four corner handles are usually in the concrete foundation Concreteed foundation.
- Power pylons are used for the transmission and distribution of used electrical energy. It is about Steel lattice constructions of special kind, to which high requirements concerning of serviceability and safety. When a High voltage mast fails, so is the failure of whole power lines or high voltage line sections of the electrical Power the episode. High voltage pylons must therefore special rules are and will accordingly Operability and safety monitors.
- High voltage pylons are usually considerable tensile loads exposed. Very variable tensile forces come for example through the Temperature-dependent loads from those on the pylons Connected conductor cables to conditions. Subsequent tensile loads but can also result from changes in the nature and number of Conductor ropes or from a readjustment of the conductors or a Span change. Also the retrofitting of antennas and / or stages and the like. Can cause additional tensile forces. In extreme weather conditions, especially at high wind speeds are the high voltage pylons also considerably stressed on train. Should the Tensile stress becomes too high, so can steel grid components, especially the corner handles of high voltage pylons fail. Such Failure can especially occur on embrittled steel lattice masts.
- From US-A 346 466 is a process for the production of steel mesh construction manufactured masts with four corner stems and a foundation known.
- the Masts can be used for a variety of purposes, such as Signal masts.
- the mast should be stable, provide low wind resistance and easy to build and be degradable again.
- a longitudinal direction the mast extending tie rod is fixed to the mast, the one End of the drawbar on a corner post and the other end of the drawbar on Foundation is fixed.
- the pull rod is put under pretension.
- the invention is based on the technical problem of a method of to specify the type mentioned above, with the high voltage pylons on simple and effective way can be rehabilitated so that a high Wear safety is ensured and high tensile stresses can be easily recorded.
- the invention teaches a method for the rehabilitation of steel pylon constructed high voltage pylons with four corner posts and a foundation, wherein at least one extending in the longitudinal direction of the high-voltage mast drawbar is fixed to the high-voltage mast, wherein the drawbar is mounted extending along a corner stem, so that the tie rod follows the course of the associated corner stem, wherein the upper end of the drawbar is attached to a corner post and the lower end of the drawbar is fixed to the foundation, and wherein the pull rod is biased.
- the foundation of a high-voltage mast is expediently designed as a concrete foundation.
- the arranged at the four corners of the high-voltage mast four corner posts are preferably cast in concrete in the foundation.
- the rehabilitation of a high-voltage mast is done so by later a drawbar or tie rods attached to the high voltage mast and be put under pretension.
- That a drawbar in Longitudinal direction of the mast extends means in the context of Invention that the drawbar at least over part of the height of High voltage mast extends.
- the pull rod can be vertical or in Be arranged substantially vertically.
- That a drawbar is set under bias means in the invention that the Drawbar is biased to train.
- the drawbar So set under tensile prestress means in the invention that the Drawbar is biased to train.
- the drawbar So set under tensile prestress According to a very preferred embodiment
- the invention can the pretension or tensile prestress subsequently be changed or corrected.
- a corresponding biasing device provided on a pull rod.
- Drawbar in the context of the invention primarily means a rigid rod, which expediently consists of metal or steel. Basically it is but also in the context of the invention to use a pull rope as a pull rod. Drawbar means within the scope of the invention, therefore, a pull rope. Is preferred however, the use of a rigid drawbar.
- the drawbar may be parallel or substantially parallel to be arranged the corner handle. Apart from the attachment points of the Pull rod to the corner handle keeps the pull rod expediently always a distance to the corner handle.
- the attachment of the upper end of the Tie rod to the corner handle can be done via a screw or but also via a welded connection.
- the along a corner post extending tie rod by means of at least one biasing device anchored in the foundation and is the drawbar with the Biasing device set under pretension.
- the biasing device is anchored in the foundation and to the biasing device, the pull rod is connected to the Biasing device can be placed under bias.
- a force-controlled variable bias is set up subsequently correctable or controllable. The force control is doing preferably by means of a hollow piston press using clamping anchors or tension strands made.
- one is taken along a Corner stem extending pull rod mastau into arranged.
- the pull rod is then at the side remote from the mast center side led the corner handle.
- a along a corner stem extending tie rod mastinnen perfume is arranged. Then the drawbar is facing at the center of the mast Side of the corner handle out.
- Corner stems each have a diagonal drawbar with its upper end connected, with the two diagonal drawbars themselves intersect and taking each tie rod with its lower end on the foundation is attached.
- Such a diagonal drawbar is so with her attached to a corner stalk at the top end and with its lower end on Foundation fixed.
- the invention is based on the finding that two crossing diagonal drawbars both a strain relief the corner handles as well as a strain relief of already existing Effect diagonal grid components.
- Tie rods used which are each divided into two Werstangenmaschine, where the two tie-rod parts are connected via a pretensioning device, with which biasing device the pull rod under bias becomes.
- the two Werstangenmaschine a pull rod at least one end each threaded and become the two tie rod parts fixed with this thread on the pretensioner.
- the biasing device is a Turnbuckle and expediently, the two drawbar parts each have a left-hand thread or right-hand thread, so that the tie-rod parts or the drawbar with the turnbuckle under pretension or Tension pretension can be set.
- the arrangement of a pretensioner between the tie rod parts of a tie rod is preferably provided at the diagonally extending tie rods. Basically Such a biasing device but also in a along a Eckstieles extending drawbar be provided.
- Cross-section round tie rods used.
- the diameter of these tie rods can be 30 to 80 mm.
- According to another embodiment of the Invention be used in cross-section angular tie rods. at these latter tie rods are thus angle steels.
- the invention is based on the finding that in the realization of the teachings according to the invention an effective increase in the safety of High voltage pylons is possible. According to the invention is very simple and less expensive way to effectively relieve the high voltage pylons reached with respect to tensile loads or tensile stresses. It should be emphasized that the remediation measures according to the invention at any time later on already existing high voltage pylons can be easily done. It is an optimal device or setting a high-voltage mast to the particular circumstances or to expected tensile loads possible by the bias voltage is set precisely. Furthermore, a subsequent correction of the Preload easily possible. In the realization of the The teaching of the invention may be based on the complex from the state of Technique known remedial measures are completely dispensed with.
- Fig. 1 shows a rehabilitated with the method according to the invention high-voltage mast in steel lattice construction, the four corner handles 1 and a foundation 2 has.
- the high voltage mast extending tie rod 3 on the high voltage mast fixed.
- the drawbar 3 extends along a corner stem 1 and the upper end 4 of the drawbar 3 is attached to the corner post 1.
- the lower end 5 of the drawbar 3, however, is fixed to the foundation 2.
- Pull rod 3 mastau sound lake arranged. That is, the drawbar 3 at the mast center M facing away from the corner handle 1 is arranged.
- the pull rod 3 follows the course the associated Eckstieles 1 and is always parallel to this Eckstiel. 1 arranged.
- the pull rod 3 is at a distance from the Corner stem 1 out.
- the attachment of the upper end 4 of the drawbar 3 to the corner handle 1 takes place for example via a suitable screw connection or by welding.
- - Preferably and in the embodiment of FIG. 1 is along the Eckstieles 1 extending tie rod 3 via a biasing device 6 in the Foundation 2 anchored.
- the drawbar 3 is under Bias or tension bias set, in the embodiment According to Fig. 1 and Fig. 2 with the anchored in the foundation 2 biasing device 6.
- Fig. 2 shows the biasing device 6 in detail.
- the Biasing device 6 consists in the embodiment of FIG. 2 of two Anchor biasing elements 7, which on both sides of the pull rod.
- An anchor biasing element 7 consists of a tie rod 9, a Clamping nut 10, a biasing press 11, a press chair 12, a Counter nut 13 and a Spannankerfuß 14. By pressing the Clamping nuts 10, the bias can be adjusted or can Pull rod 3 are set under tension. Incidentally, each time If necessary, a correction or readjustment of the bias of Pull rod 3 possible.
- Fig. 3 shows a further embodiment of a refurbished according to the invention Pylon.
- a pull rod 3 has been mounted so that it extends along a corner stem 1.
- the upper end 4 of Pull rod 3 is also attached to the corner handle 1 and this embodiment the lower end 5 of the drawbar 3 is fixed to the foundation 2.
- Drawbar 3 mastinnen character arranged. In other words, it runs Pull rod 3 on the side of the corner handle 1, which faces the center of the mast M.
- the pull rod 3 by means of a Biasing device 6 anchored in the foundation 2.
- pretensioner 6 here is a hydraulic press used in the enlarged section of Fig. 3 is shown schematically. At this hydraulic press is the Tension rod 3 connected and the drawbar 3 can with the hydraulic press be set under pretension or tensile prestress. Here is one too Subsequent correction or readjustment of the preload to simple Way possible.
- Fig. 4 shows a way of connecting the upper end 4 of the drawbar 3 with the corner handle 1.
- the upper end 4 is here in a threaded bushing 15th screwed, which threaded bushing 15 in turn to the corner handle. 1 screwed on.
- the threaded bushing 15 is designed so that the drawbar 3 is aligned with a certain distance from the corner handle 1.
- the drawbar 3 has otherwise a circular cross-section.
- - Fig. 5 shows a further possibility of connecting the upper end 4 of the drawbar 3 with the corner handle 1.
- the upper end 4 with an angle section 16th welded, which angle profile 16 in turn screwed to the corner handle 1 becomes.
- the angle section 16 is designed so that the drawbar 3 a adheres to certain distance from the corner stick 1.
- Fig. 6 shows the result of another embodiment of the inventive method.
- two adjacent corner handles 1 over two diagonally extending and intersecting tie rods 3 together connected.
- both the upper ends of the fourth the tie rods 3 and the lower ends 5 of the tie rod 3 with the Corner stem 1 connected for example screwed or welded.
- the lower ends 5 of the diagonally extending tie rods 3 on the Foundation 2 are fixed.
- tie rods 3 each divided into two tie rod parts 17, 18.
- the two tie rod parts 17 and 18 are connected via a biasing device 6, with which biasing means 6, the pull rod 3 under bias or Tension pretension can be set.
- the biasing device 6 is included preferably in the middle third of the drawbar 3, based on the entire length the drawbar 3, arranged.
- the biasing device 6 formed in Fig. 6 as a turnbuckle.
- each tie rod part 17, 18 a of the biasing device 6 associated thread on.
- the tie rod part 18 has a right-hand thread 20, which is also screwed into the turnbuckle. With the Turnbuckle can thus easily the drawbar 3 under Tension preload can be set.
- the division of the drawbar 3 in Tie rod parts 17, 18 may (although this is not shown in the figures) be realized in a pull rod 3, which extends along a Corner stem 1 extends.
- the two Switzerlandstangenmaschine 17, 18 so be formed, as has been explained to the Fig. 6 and can this two tie rod parts 17, 18 via a biasing device 6 serving Be connected turnbuckle.
- Fig. 7 shows an embodiment in which a relatively high-voltage mast has superimposed sections, each with another diagonal running and crossing tie rods 3 are equipped. Which crossing tie rods 3 are thus here as a truss above each other arranged.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Reinforcement Elements For Buildings (AREA)
- Electric Cable Installation (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Description
wobei zumindest eine sich in Längsrichtung des Hochspannungsmastes erstreckende Zugstange an dem Hochspannungsmast fixiert wird, wobei die Zugstange sich entlang eines Eckstieles erstreckend montiert wird, so dass die Zugstange dem Verlauf des zugeordneten Eckstieles folgt,
wobei das obere Ende der Zugstange an einem Eckstiel befestigt wird und das untere Ende der Zugstange am Fundament fixiert wird,
und wobei die Zugstange unter Vorspannung gesetzt wird. - Das Fundament eines Hochspannungsmastes ist zweckmäßigerweise als Betonfundament ausgeführt. Die an den vier Ecken des Hochspannungsmastes angeordneten vier Eckstiele sind vorzugsweise in das Betonfundament einbetoniert.
Claims (8)
- Verfahren zur Sanierung von in Stahlgitterbauweise hergestellten Hochspannungsmasten mit vier Eckstielen (1) und einem Fundament (2),
wobei zumindest eine sich in Längsrichtung des Hochspannungsmastes erstreckende Zugstange (3) an dem Hochspannungsmast fixiert wird,
wobei die Zugstange (3) sich entlang eines Eckstieles (1) erstreckend montiert wird, so dass die Zugstange dem Verlauf des zugeordneten Eckstieles (1) folgt,
wobei das obere Ende (4) der Zugstange (3) an dem Eckstiel (1) befestigt wird und das untere Ende (5) der Zugstange (3) am Fundament (2) befestigt wird
und wobei die Zugstange (3) unter Vorspannung gesetzt wird. - Verfahren nach Anspruch 1, wobei die sich entlang des Eckstieles (1) erstreckende Zugstange (3) mittels zumindest einer Vorspannvorrichtung (6) in dem Fundament (2) verankert wird und wobei die Zugstange (3) mit der Vorspannvorrichtung (6) unter Vorspannung gesetzt wird.
- Verfahren nach einem der Ansprüche 1 oder 2, wobei die sich entlang des Eckstieles (1) erstreckende Zugstange (3) mastaußenseitig angeordnet wird.
- Verfahren nach einem der Ansprüche 1 bis 3, wobei zwei benachbarte Eckstiele (1) über zwei diagonal verlaufende und sich kreuzende Zugstangen (3) miteinander verbunden werden.
- Verfahren nach einem der Ansprüche 1 bis 4, wobei an zwei benachbarten Eckstielen (1) jeweils eine diagonal verlaufende Zugstange (3) mit ihrem oberen Ende (4) angeschlossen wird, wobei die beiden diagonal verlaufenden Zugstangen (3) sich kreuzen und wobei jede Zugstange (3) mit ihrem unteren Ende (5) am Fundament (2) befestigt wird.
- Verfahren nach einem der Ansprüche 1 bis 5, wobei zumindest eine Zugstange (3) eingesetzt wird, die in zwei Zugstangenteile (17, 18) unterteilt ist und wobei die beiden Zugstangenteile (17, 18) über eine Vorspannvorrichtung (6) verbunden werden, mit welcher Vorspannvorrichtung (6) die Zugstange (3) unter Vorspannung gesetzt wird.
- Verfahren nach einem der Ansprüche 1 bis 6, wobei im Querschnitt runde Zugstangen eingesetzt werden.
- Verfahren nach einem der Ansprüche 1 bis 7, wobei im Querschnitt winkelförmige Zugstangen (3) eingesetzt werden.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02002934A EP1335083B1 (de) | 2002-02-09 | 2002-02-09 | Verfahren zur Sanierung von in Stahlgitterbauweise hergestellten Hochspannungsmasten |
DE50203265T DE50203265D1 (de) | 2002-02-09 | 2002-02-09 | Verfahren zur Sanierung von in Stahlgitterbauweise hergestellten Hochspannungsmasten |
AT02002934T ATE296934T1 (de) | 2002-02-09 | 2002-02-09 | Verfahren zur sanierung von in stahlgitterbauweise hergestellten hochspannungsmasten |
SI200230166T SI1335083T1 (sl) | 2002-02-09 | 2002-02-09 | Postopek za saniranje jeklenih visokonapetostnih stebrov, izdelanih iz predalcnih konstrukcij |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02002934A EP1335083B1 (de) | 2002-02-09 | 2002-02-09 | Verfahren zur Sanierung von in Stahlgitterbauweise hergestellten Hochspannungsmasten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1335083A1 EP1335083A1 (de) | 2003-08-13 |
EP1335083B1 true EP1335083B1 (de) | 2005-06-01 |
Family
ID=27589099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02002934A Expired - Lifetime EP1335083B1 (de) | 2002-02-09 | 2002-02-09 | Verfahren zur Sanierung von in Stahlgitterbauweise hergestellten Hochspannungsmasten |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1335083B1 (de) |
AT (1) | ATE296934T1 (de) |
DE (1) | DE50203265D1 (de) |
SI (1) | SI1335083T1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437275A (zh) * | 2015-08-13 | 2017-02-22 | 中国电力科学研究院 | 一种输电线路铁塔横担外加预应力加固方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110126488A1 (en) * | 2008-06-24 | 2011-06-02 | Johan Hedinger | Upgradable lattice tower and components thereof |
GB2476127A (en) * | 2009-12-08 | 2011-06-15 | Telecoms Comm Infrastructure Patents Ltd | Strengthening an antenna tower |
EP2884024B1 (de) * | 2013-12-13 | 2017-02-15 | SAG GmbH | Verfahren zur Sanierung von in Stahlgitterbauweise hergestellten Masten |
ES2672256B2 (es) * | 2018-02-08 | 2018-10-15 | Sociedad Española de Montajes Industriales S.A. (SEMI, S.A.) | Procedimiento de construcción de torres |
BE1028362B1 (nl) * | 2020-06-03 | 2022-01-11 | Metaalwerken Pamo Nv | Inrichting en werkwijze voor het plasmasnijden van werkstukken en hoogspanningsmasten en/of vakwerken voor hoogspanningsposten omvattende verkregen plasma-gesneden werkstukken |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US346466A (en) * | 1886-08-03 | Pipe-derrick | ||
US642588A (en) * | 1899-05-19 | 1900-02-06 | Davis Calyx Drill Company | Tower. |
GB417467A (en) * | 1932-04-06 | 1934-10-05 | Blaw Knox Co | Improvements in or relating to towers for use as or for carrying electrical conductors |
DE865360C (de) * | 1940-11-12 | 1953-02-02 | Siemens Ag | Zusatz-Versteifung von einseitig belasteten Gittermasten fuer elektrische Leitungen,insbesondere fuer Bahnfahrleitungen |
-
2002
- 2002-02-09 AT AT02002934T patent/ATE296934T1/de active
- 2002-02-09 DE DE50203265T patent/DE50203265D1/de not_active Expired - Lifetime
- 2002-02-09 EP EP02002934A patent/EP1335083B1/de not_active Expired - Lifetime
- 2002-02-09 SI SI200230166T patent/SI1335083T1/sl unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106437275A (zh) * | 2015-08-13 | 2017-02-22 | 中国电力科学研究院 | 一种输电线路铁塔横担外加预应力加固方法 |
CN106437275B (zh) * | 2015-08-13 | 2019-03-05 | 中国电力科学研究院 | 一种输电线路铁塔横担外加预应力加固方法 |
Also Published As
Publication number | Publication date |
---|---|
ATE296934T1 (de) | 2005-06-15 |
DE50203265D1 (de) | 2005-07-07 |
EP1335083A1 (de) | 2003-08-13 |
SI1335083T1 (sl) | 2005-12-31 |
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