EP2963206A1 - Tower, in particular for power lines - Google Patents

Tower, in particular for power lines Download PDF

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Publication number
EP2963206A1
EP2963206A1 EP14175878.9A EP14175878A EP2963206A1 EP 2963206 A1 EP2963206 A1 EP 2963206A1 EP 14175878 A EP14175878 A EP 14175878A EP 2963206 A1 EP2963206 A1 EP 2963206A1
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EP
European Patent Office
Prior art keywords
tower
segments
tower segments
butt joint
foundation
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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.)
Granted
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EP14175878.9A
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German (de)
French (fr)
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EP2963206B1 (en
Inventor
Helmut Lieb
Roland Kastner
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Europoles GmbH and Co KG
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Europoles GmbH and Co KG
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Priority to EP14175878.9A priority Critical patent/EP2963206B1/en
Publication of EP2963206A1 publication Critical patent/EP2963206A1/en
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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
    • E04H12/16—Prestressed structures
    • 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
    • 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
    • E04H12/341—Arrangements for casting in situ concrete towers or the like

Definitions

  • the invention relates to a tower, in particular for power lines.
  • Transmission towers for power lines are z. B. made in solid steel wall construction.
  • For medium-voltage power lines we use towers made of spun concrete. An applied pre-tensioning ensures that the concrete is subjected to pressure in all operating conditions but not to tension.
  • Overhead pylons for medium voltage lines are also built in solid steel wall construction, to edged conical profiles are used, for. B. an octagonal cross section.
  • the invention is therefore based on the object, a tower, in particular for power lines to specify, which is simpler and less expensive and its installation can be performed easily.
  • a tower in particular for power lines, provided, comprising: a foundation, several on the foundation superimposed, prepared in spun concrete tower segments which enclose a cavity which is partially filled with in situ concrete after assembly of the tower segments and arranged in the remaining cavity, a bias generating prestressing steels.
  • the tower according to the invention a new construction is used, in which initially in a precast plant, the several required tower segments are manufactured in spun concrete construction. These tower segments are designed as conical tubes and comparatively thin, accordingly, their mass is relatively low, so that these tower segments manufactured as semi-finished parts can be relatively easily transported to the intended installation location.
  • the tower segments are placed on each other, the cavity in the interior of the tower segments is at least partially filled with in-situ concrete, so that there is a composite body consisting of the spun concrete made tower segments and from the introduced into the interior in-situ concrete.
  • an inner formwork is erected, whereby an annular space in the interior of the tower segments between the inside of the tower segments and the inner formwork can be filled with in-situ concrete, so that a central, central region of the tower, within the inner formwork, remains as a cavity ,
  • prestressing steels can be arranged, which produce a bias in the spun concrete tower sections produced.
  • the in-situ concrete has a limp additional reinforcement.
  • the loose additional reinforcement is installed after the erection of the inner formwork and potted with in-situ concrete.
  • the slack additional reinforcement in the in-situ concrete between the foundation and the lowest tower segment is connected to each other by a lap joint or a sleeve.
  • a connection of two components getting produced.
  • the tower according to the invention may be formed between adjacent tower segments a butt joint, which is preferably pressed with mortar.
  • the butt joint allows an accurate fit of two adjacent tower segments, the grouting with mortar connects the two tower segments, so that the junction is sealed and thus protected from the weather.
  • the butt joint is formed from profile sections of opposite design, each with approximately half the wall thickness of a tower segment.
  • the tower segments preferably have reinforced reinforcement in order to be able to absorb both tensile and compressive forces.
  • an approximately vertically extending portion of the butt joint is inclined radially outwardly or radially inwardly.
  • the butt joint is not exactly vertical, but slightly inclined, wherein it may be inclined both radially outwards and alternatively radially inwardly.
  • the inclination is preferably 1 ° to 10 °.
  • the width of the butt joint is selected so that adjacent tower segments can be placed on each other despite the inclined, not exactly vertical sections of the butt joint.
  • the turret can be z. B. have a width of 1.5 cm, 2 cm, 2.5 cm or 3 cm. In a wider turret a more inclined middle section of the butt joint is needed, so that the shape of a Z results on average.
  • the tower according to the invention may have at least one traverse for power lines.
  • a tower can also have a plurality of vertically spaced trusses.
  • a development of the tower according to the invention can provide that on the top of the tower, a tower head is placed, on which the prestressing steels are anchored.
  • the tower head can be manufactured as prefabricated or semi-finished part or in cast-in-place construction, it has a series of through holes, are guided by the prestressing steels, which are anchored in or on the tower head.
  • the tower may have a central opening at the top.
  • the invention relates to a method for producing a tower, in particular for power lines.
  • the method according to the invention comprises the following steps: producing a foundation from cast-in-place concrete or as a precast concrete element, producing several tower segments in a spun concrete construction, transporting the tower segments to a place of erection and assembling the tower segments, producing a formwork inside the tower segments, concreting one through the inside of the tower segments and the formwork formed annulus with in-situ concrete, and mounting of prestressing steels in a cavity remaining inside the formwork.
  • Fig. 1 shows a section through a tower 1, wherein only one half of the symmetrical tower is shown.
  • the tower 1 consists of several stacked tower segments 2, which are made in spun concrete construction.
  • Fig. 1 shows a detail of such a conical tower segment 2.
  • the tower segment 2 has a horizontal and / or a helical reinforcement 3.
  • the wall thickness of a tower segment 2 is comparatively low, and accordingly a tower segment 2 produced as a semi-finished part in a precast plant in spun concrete can be transported relatively easily because of its low weight.
  • a formwork 4 is mounted inside the tower segment 2, in addition, a slack additional reinforcement 5 is mounted in this annulus.
  • the annular space between the formwork 4 and the inside of the tower segment 2 is then filled with in-situ concrete 6, wherein the wall thickness of the in-situ concrete. 6 is a multiple of the wall thickness of the tower segment 2.
  • Within the formwork 4 remains a central cavity 7, run in the prestressing steels, which extend from a tower head to a foundation of the tower 1 and is applied to the bias, so that the tower segments 2 are acted upon only by compressive forces.
  • Fig. 2 shows a cross section through the tower 1 of Fig. 1
  • the formwork 4 can z. B. be a cardboard formwork, which is removed after the introduction of in-situ concrete 6 or remains in the tower 1.
  • the individual tower segments 2 are gradually filled with in-situ concrete 6, then further tower segments can be placed.
  • the individual tower segments are conically shaped so that the diameter of the tower segments decreases from bottom to top.
  • the tower 1 can have a total height of 50 - 70 m, the outer diameter can be down 3 - 4 m and the tower head z. B. 2 m.
  • a single tower segment may have a length of 5, 10 or 15 m.
  • Fig. 3 shows a sectional side view of a butt joint between two tower segments. Completely formed steps 10, 11 are formed on both tower segments 2, 9, so that the tower segments 2, 9 can be placed on one another in a form-fitting and precisely fitting manner. A remaining after the juxtaposing circumferential butt joint 12 is pressed with mortar 13, whereby a positive and non-positive connection is created, which also resists weathering.
  • Fig. 4 is a sectional side view of a tower arranged on a tower segment of the tower 1.
  • the foundation 14 may be made of cast-in-situ concrete or alternatively as a finished part and has in its lower portion 15 has a larger diameter than in its upper portion 16.
  • the foundation 14 has a loose additional reinforcement 17, these reinforcing rods protrude at the top of the foundation 14 out.
  • the lowest tower segment 2 is placed, which in turn in the FIGS. 1 and 2 shown additional reinforcement 5 has.
  • the additional reinforcement 17 of the foundation 14 and the additional reinforcement 5 in the interior of the tower segment 2 are cast with the in-situ concrete 6, so that a lap joint 18 results.
  • Fig. 5 is a sectional side view of a tower head 22 of the tower 1.
  • the tower head 22 is disc-shaped, its diameter coincides with the diameter of an uppermost tower segment 23.
  • the tower segment 23 has the same structure as that in FIG Fig. 1
  • Tower segment 2 shown that is, the prefabricated tower segment 23 is cast in the interior with in-situ concrete 6, in this area is a slack additional reinforcement 5.
  • the tower head 2 has a series of circularly arranged through holes 25 on or in which the prestressing steels 8 are anchored.
  • the cavity 7 in the interior of the tower segments is connected via an opening 24 in the tower head 22 to the outside.
  • the individual prestressing steels 8 are introduced from above into the tower head 22, which serves as an abutment, the tensioning of the prestressing steels 8 takes place on the foundation 14, as in FIG Fig. 4 is shown.
  • Fig. 6 is a sectional view of a butt joint 26 connecting two pole segments 27, 28 together.
  • the mast sections 27, 28 each have opposite stepped profile sections, wherein a profile section has approximately half the wall thickness of a mast section. Accordingly, the butt joint 26 is approximately in the middle.
  • the lower mast section 27 has a vertically upwardly extending profile section 29, which is located either inside or outside. It is preferred that the profile section 29 is formed on the inside of the mast section 27.
  • the butt joint 26 comprises two horizontal sections 30, 31 and an approximately vertical section 32 arranged therebetween. It is essential here that the section 32 is only approximately vertical, in fact it has one at least slight inclination radially inward or radially outward.
  • Fig. 6 is a sectional view of a butt joint 26 connecting two pole segments 27, 28 together.
  • the mast sections 27, 28 each have opposite stepped profile sections, wherein a profile section has approximately half the wall thickness of a mast section. Accordingly, the butt joint 26 is approximately in the middle.
  • the profile sections of both mast sections 27, 28 have the same slight radial inclination or inclined position, so that a cavity with a constant width and mutually parallel surfaces is formed therebetween.
  • the butt joint in this embodiment has a width of z. B. 1.5 cm.
  • the cavity is pressed after installation with a mortar.
  • a profiling may be present, which is produced, for example, by a nubbed foil. After being pressed with mortar, the profiling results in a particularly good adhesion between the two mast sections 27, 28.
  • the two mast sections 27, 28 have reinforced reinforcement in order to be able to absorb both tensile and compressive forces.
  • the space or free space is also referred to as a pressure strut.
  • Fig. 7 is a similar representation as Fig. 6 and shows a butt joint 33 in a sectional view. Unlike in the previous example, the butt joint has a greater width, for example 2 cm, accordingly, the middle portion 34 is more inclined.
  • Fig. 8 a butt joint 35 in a sectional view, wherein the width of the butt joint in this embodiment is 2.5 cm. Accordingly, the middle portion 36 is more inclined than in the previous example. The vertical extent of the central portion 36 and the inclination or inclination are adjusted so that an assembly of the two mast sections is just possible.
  • FIG. 9 another embodiment of a butt joint 37, which has a width of 3 cm. Accordingly, a further increased inclination of the central portion 38 is present.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Foundations (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

Turm (1), insbesondere für Stromleitungen, umfassend: - ein Fundament (14); - mehrere auf dem Fundament (14) übereinander angeordnete, in Schleuderbetonbauweise hergestellte Turmsegmente (2, 9, 23), die einen Hohlraum (7) umschließen, der nach der Montage der Turmsegmente (2, 9, 23) teilweise mit Ortbeton (6) gefüllt ist; und - in dem verbleibenden Hohlraum (7) angeordnete, eine Vorspannung erzeugende Spannstähle (8).Tower (1), in particular for power lines, comprising: - a foundation (14); - Several on the foundation (14) arranged one above the other, constructed in spun concrete tower segments (2, 9, 23) which enclose a cavity (7), which after assembly of the tower segments (2, 9, 23) partially with in-situ concrete (6) is filled; and - In the remaining cavity (7) arranged, a bias generating prestressing steels (8).

Description

Die Erfindung betrifft einen Turm, insbesondere für Stromleitungen.The invention relates to a tower, in particular for power lines.

Im Zuge des gegenwärtig geplanten Netzausbaus ist die Errichtung einer großen Zahl von neuen Türmen oder Masten für Stromleitungen erforderlich, an denen die benötigten Stromleitungen befestigt werden.In the course of the currently planned network expansion, the construction of a large number of new towers or poles for power lines is required, to which the required power lines are attached.

Für Masten oder Türme für Stromleitungen sind unterschiedliche Bauweisen gebräuchlich. Freileitungsmasten für Hochspannungsleitungen werden z. B. in Stahlvollwandbauweise hergestellt. Für Mittelspannungsleitungen werden Betonfreileitungsmasten verwendet, die in Schleuderbetonbauweise hergestellt werden. Durch eine aufgebrachte Vorspannung wird sichergestellt, dass der Beton in allen Betriebsbedingungen auf Druck, nicht jedoch auf Zug belastet wird. Freileitungsmasten für Mittelspannungsleitungen werden auch in Stahlvollwandbauweise errichtet, dazu werden kantige konische Profile verwendet, z. B. ein Achteckquerschnitt.For masts or towers for power lines different designs are common. Transmission towers for power lines are z. B. made in solid steel wall construction. For medium-voltage power lines, we use towers made of spun concrete. An applied pre-tensioning ensures that the concrete is subjected to pressure in all operating conditions but not to tension. Overhead pylons for medium voltage lines are also built in solid steel wall construction, to edged conical profiles are used, for. B. an octagonal cross section.

Der Trend zu höheren und damit auch größeren und schwereren Türmen bzw. Turmsegmenten, die am vorgesehenen Aufstellort aufeinander gesetzt und montiert werden, führt jedoch in der Praxis zu dem Problem, dass die Größe der einzelnen Turmsegmente durch die Transportmöglichkeiten hinsichtlich Gewicht und Länge begrenzt wird. Die einzelnen Turmsegmente müssen daher mit speziellen Stößen versehen werden, die eine Befestigung benachbarter Turmsegmente ermöglichen. Die Herstellung dieser Stöße und die Montage der einzelnen Turmsegmente verteuert sich dadurch allerdings beträchtlich.The trend towards higher and therefore larger and heavier towers or tower segments, which are set and mounted on the intended installation site, but in practice leads to the problem that the size of the individual tower segments is limited by the transport options in terms of weight and length. The individual tower segments must therefore be provided with special joints that allow attachment of adjacent tower segments. However, the production of these joints and the installation of the individual tower segments is considerably more expensive.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Turm, insbesondere für Stromleitungen, anzugeben, der einfacher und kostengünstiger aufgebaut ist und dessen Montage leichter durchgeführt werden kann.The invention is therefore based on the object, a tower, in particular for power lines to specify, which is simpler and less expensive and its installation can be performed easily.

Zur Lösung dieser Aufgabe ist ein Turm, insbesondere für Stromleitungen, vorgesehen, umfassend: ein Fundament, mehrere auf dem Fundament übereinander angeordnete, in Schleuderbetonbauweise hergestellte Turmsegmente, die einen Hohlraum umschließen, der nach der Montage der Turmsegmente teilweise mit Ortbeton gefüllt ist und in dem verbleibenden Hohlraum angeordnete, eine Vorspannung erzeugende Spannstähle.To solve this problem, a tower, in particular for power lines, provided, comprising: a foundation, several on the foundation superimposed, prepared in spun concrete tower segments which enclose a cavity which is partially filled with in situ concrete after assembly of the tower segments and arranged in the remaining cavity, a bias generating prestressing steels.

Für den erfindungsgemäßen Turm wird eine neue Bauweise verwendet, bei der zunächst in einem Fertigteilwerk die mehreren benötigten Turmsegmente in Schleuderbetonbauweise hergestellt werden. Diese Turmsegmente sind als konische Röhren ausgebildet und vergleichsweise dünn, dementsprechend ist ihre Masse verhältnismäßig gering, so dass diese als Halbfertigteile hergestellten Turmsegmente verhältnismäßig einfach an den vorgesehenen Einbauort transportiert werden können.For the tower according to the invention, a new construction is used, in which initially in a precast plant, the several required tower segments are manufactured in spun concrete construction. These tower segments are designed as conical tubes and comparatively thin, accordingly, their mass is relatively low, so that these tower segments manufactured as semi-finished parts can be relatively easily transported to the intended installation location.

An dem vorgesehenen Einbauort werden die Turmsegmente aufeinandergesetzt, der Hohlraum im Inneren der Turmsegmente wird zumindest teilweise mit Ortbeton gefüllt, so dass sich ein Verbundkörper ergibt, der aus den in Schleuderbetonbauweise hergestellten Turmsegmenten und aus dem in das Innere eingebrachten Ortbeton besteht. Vorzugsweise wird nach dem Montieren der Turmsegmente eine Innenschalung errichtet, wodurch ein Ringraum im Inneren der Turmsegmente zwischen der Innenseite der Turmsegmente und der Innenschalung mit Ortbeton gefüllt werden kann, so dass ein mittlerer, zentraler Bereich des Turms, innerhalb der Innenschalung, als Hohlraum erhalten bleibt. In diesem Hohlraum können Spannstähle angeordnet werden, die eine Vorspannung in den in Schleuderbetonbauweise hergestellten Turmsegmenten erzeugen.At the intended installation location, the tower segments are placed on each other, the cavity in the interior of the tower segments is at least partially filled with in-situ concrete, so that there is a composite body consisting of the spun concrete made tower segments and from the introduced into the interior in-situ concrete. Preferably, after mounting the tower segments, an inner formwork is erected, whereby an annular space in the interior of the tower segments between the inside of the tower segments and the inner formwork can be filled with in-situ concrete, so that a central, central region of the tower, within the inner formwork, remains as a cavity , In this cavity prestressing steels can be arranged, which produce a bias in the spun concrete tower sections produced.

Bei dem erfindungsgemäßen Turm kann es vorgesehen sein, dass der Ortbeton eine schlaffe Zusatzbewehrung aufweist. Die schlaffe Zusatzbewehrung wird nach der Errichtung der Innenschalung montiert und mit Ortbeton vergossen.In the tower according to the invention, it may be provided that the in-situ concrete has a limp additional reinforcement. The loose additional reinforcement is installed after the erection of the inner formwork and potted with in-situ concrete.

Es liegt auch im Rahmen der Erfindung, dass die schlaffe Zusatzbewehrung in dem Ortbeton zwischen dem Fundament und dem untersten Turmsegment durch einen Übergreifungsstoß oder eine Muffe miteinander verbunden ist. Auf diese Weise kann vergleichsweise kostengünstig eine Verbindung zweier Bauteile hergestellt werden. Dasselbe gilt für eine schlaffe Zusatzbewehrung zweier benachbarter Turmsegmente im Ortbeton, die ebenfalls durch einen Übergreifungsstoß oder eine Muffe miteinander verbunden sein kann.It is also within the scope of the invention that the slack additional reinforcement in the in-situ concrete between the foundation and the lowest tower segment is connected to each other by a lap joint or a sleeve. In this way, comparatively cost-effective a connection of two components getting produced. The same applies to a limp additional reinforcement of two adjacent tower segments in in-situ concrete, which may also be connected to each other by a lap joint or a sleeve.

Bei dem erfindungsgemäßen Turm kann zwischen benachbarten Turmsegmenten eine Stoßfuge ausgebildet sein, die vorzugsweise mit Mörtel verpresst ist. Die Stoßfuge ermöglicht ein passgenaues Aufeinandersetzen von zwei benachbarten Turmsegmenten, das Verpressen mit Mörtel verbindet die beiden Turmsegmente, so dass die Verbindungsstelle dicht und somit vor Witterungseinflüssen geschützt ist.In the tower according to the invention may be formed between adjacent tower segments a butt joint, which is preferably pressed with mortar. The butt joint allows an accurate fit of two adjacent tower segments, the grouting with mortar connects the two tower segments, so that the junction is sealed and thus protected from the weather.

Vorzugsweise ist die Stoßfuge aus gegengleich ausgebildeten Profilabschnitten mit jeweils etwa halber Wandstärke eines Turmsegments gebildet. Im Bereich der Stoßfuge weisen die Turmsegmente vorzugsweise eine verstärkte Bewehrung auf, um sowohl Zug- als auch Druckkräfte aufnehmen zu können.Preferably, the butt joint is formed from profile sections of opposite design, each with approximately half the wall thickness of a tower segment. In the area of the butt joint, the tower segments preferably have reinforced reinforcement in order to be able to absorb both tensile and compressive forces.

Aus statischen Gründen wird es bevorzugt, dass bei dem erfindungsgemäßen Turm ein näherungsweise vertikal verlaufender Abschnitt de Stoßfuge radial nach außen oder radial nach innen geneigt ist. Das bedeutet, dass die Stoßfuge nicht exakt vertikal, sondern leicht geneigt ausgebildet ist, wobei sie sowohl radial nach außen als auch alternativ radial nach innen geneigt sein kann. Die Neigung beträgt vorzugsweise 1° bis 10°.For static reasons, it is preferred that in the tower according to the invention an approximately vertically extending portion of the butt joint is inclined radially outwardly or radially inwardly. This means that the butt joint is not exactly vertical, but slightly inclined, wherein it may be inclined both radially outwards and alternatively radially inwardly. The inclination is preferably 1 ° to 10 °.

In diesem Zusammenhang wird es bevorzugt, dass die Breite der Stoßfuge so gewählt ist, dass benachbarte Turmsegmente trotz der geneigten, nicht exakt vertikalen Abschnitte der Stoßfuge aufeinander setzbar sind. Die Turmfuge kann dabei z. B. eine Breite von 1,5 cm, 2 cm, 2,5 cm oder 3 cm aufweisen. Bei einer breiteren Turmfuge wird ein stärker geneigter mittlerer Abschnitt der Stoßfuge benötigt, so dass sich im Schnitt die Form eines Z ergibt.In this context, it is preferred that the width of the butt joint is selected so that adjacent tower segments can be placed on each other despite the inclined, not exactly vertical sections of the butt joint. The turret can be z. B. have a width of 1.5 cm, 2 cm, 2.5 cm or 3 cm. In a wider turret a more inclined middle section of the butt joint is needed, so that the shape of a Z results on average.

Im Hinblick auf die vorgesehene Verwendung kann der erfindungsgemäße Turm wenigstens eine Traverse für Stromleitungen aufweisen. In Abhängigkeit des vorgesehenen Einsatzzwecks kann ein Turm natürlich auch mehrere vertikal beabstandete Traversen aufweisen.With regard to the intended use, the tower according to the invention may have at least one traverse for power lines. Depending on the Of course, a tower can also have a plurality of vertically spaced trusses.

Eine Weiterbildung des erfindungsgemäßen Turms kann vorsehen, dass auf der Oberseite des Turms ein Turmkopf aufgesetzt ist, an dem die Spannstähle verankert sind. Der Turmkopf kann als Fertigteil oder Halbfertigteil oder in Ortbetonbauweise hergestellt sein, er weist eine Reihe von Durchgangslöchern auf, durch die Spannstähle geführt werden, die im oder am Turmkopf verankert sind. Der Turm kann an der Oberseite eine zentrale Öffnung aufweisen.A development of the tower according to the invention can provide that on the top of the tower, a tower head is placed, on which the prestressing steels are anchored. The tower head can be manufactured as prefabricated or semi-finished part or in cast-in-place construction, it has a series of through holes, are guided by the prestressing steels, which are anchored in or on the tower head. The tower may have a central opening at the top.

Daneben betrifft die Erfindung ein Verfahren zur Herstellung eines Turms, insbesondere für Stromleitungen. Das erfindungsgemäße Verfahren umfasst die folgenden Schritte: Herstellen eines Fundaments aus Ortbeton oder als Betonfertigteil, Herstellen mehrerer Turmsegmente in Schleuderbetonbauweise, Transportieren der Turmsegmente an einen Aufstellort und Montage der Turmsegmente aufeinander, Herstellen einer Schalung im Inneren der Turmsegmente, Betonieren eines durch die Innenseite der Turmsegmente und die Schalung gebildeten Ringraums mit Ortbeton, und Montieren von Spannstählen in einem im Inneren der Schalung verbleibenden Hohlraum.In addition, the invention relates to a method for producing a tower, in particular for power lines. The method according to the invention comprises the following steps: producing a foundation from cast-in-place concrete or as a precast concrete element, producing several tower segments in a spun concrete construction, transporting the tower segments to a place of erection and assembling the tower segments, producing a formwork inside the tower segments, concreting one through the inside of the tower segments and the formwork formed annulus with in-situ concrete, and mounting of prestressing steels in a cavity remaining inside the formwork.

Bei dem erfindungsgemäßen Verfahren kann es vorgesehen sein, dass auf die Spannstähle nach der Montage eine festgelegte Vorspannung mit einer Spannpresse aufgebracht wird. Nach dem Aufbringen der Vorspannung bleiben die Spannstähle in dieser Position fixiert, wodurch sichergestellt ist, dass die Turmsegmente bei allen auftretenden Lasten lediglich Druckkräfte erfahren, jedoch keine Zugkräfte.In the method according to the invention, provision can be made for a defined pretension to be applied to the prestressing steels after assembly with a tensioning press. After the application of the prestressing, the prestressing steels remain fixed in this position, which ensures that the tower segments experience only compressive forces under all occurring loads, but no tensile forces.

Weitere Ausgestaltungen des Verfahrens sind in den Unteransprüchen beschrieben.Further embodiments of the method are described in the subclaims.

Die Erfindung wird nachfolgend unter Bezugnahme auf die Zeichnungen erläutert. Die Zeichnungen sind schematische Darstellungen und zeigen:

Fig. 1
eine geschnittene Seitenansicht eines erfindungsgemäßen Turms;
Fig. 2
einen Querschnitt durch einen erfindungsgemäßen Turm;
Fig. 3
eine geschnittene Seitenansicht einer Stoßfuge zwischen zwei Turmsegmenten eines erfindungsgemäßen Turms;
Fig. 4
eine geschnittene Seitenansicht eines auf einem Fundament angeordneten Turmsegment eines erfindungsgemäßen Turms;
Fig. 5
eine geschnittene Seitenansicht eines Turmkopfes eines erfindungsgemäßen Turms; und
Fig. 6 - Fig. 9
geschnittene Ansichten von Stoßfugen eines erfindungsgemäßen Turms.
The invention will be explained below with reference to the drawings. The drawings are schematic representations and show:
Fig. 1
a sectional side view of a tower according to the invention;
Fig. 2
a cross section through a tower according to the invention;
Fig. 3
a sectional side view of a butt joint between two tower segments of a tower according to the invention;
Fig. 4
a sectional side view of a tower arranged on a tower segment of a tower according to the invention;
Fig. 5
a sectional side view of a tower head of a tower according to the invention; and
Fig. 6-9
sectional views of butt joints of a tower according to the invention.

Fig. 1 zeigt einen Schnitt durch einen Turm 1, wobei lediglich eine Hälfte des symmetrischen Turms gezeigt ist. Der Turm 1 besteht aus mehreren übereinander angeordneten Turmsegmenten 2, die in Schleuderbetonbauweise hergestellt sind. Fig. 1 zeigt ein Detail eines derartigen konischen Turmsegments 2. In der geschnittenen Ansicht von Fig. 1 erkennt man, dass das Turmsegment 2 eine waagerechte und/oder eine wendelförmige Bewehrung 3 aufweist. Die Wandstärke eines Turmsegments 2 ist vergleichsweise gering, dementsprechend kann ein in einem Fertigteilwerk in Schleuderbetonweise als Halbfertigteil hergestelltes Turmsegment 2 wegen seines geringen Gewichts vergleichsweise einfach transportiert werden. Nach dem Transport an einen vorgesehenen Aufstellort werden mehrere konische Turmsegmente 2 aufeinandergesetzt, anschließend wird im Inneren des Turmsegments 2 eine Schalung 4 montiert, zusätzlich wird in diesem Ringraum eine schlaffe Zusatzbewehrung 5 angebracht. Der Ringraum zwischen der Schalung 4 und der Innenseite des Turmsegments 2 wird anschließend mit Ortbeton 6 gefüllt, wobei die Wandstärke des Ortbetons 6 ein Mehrfaches der Wandstärke des Turmsegments 2 beträgt. Innerhalb der Schalung 4 verbleibt ein zentraler Hohlraum 7, in dem Spannstähle verlaufen, die sich von einem Turmkopf bis zu einem Fundament des Turms 1 erstrecken und auf die eine Vorspannung aufgebracht wird, so dass die Turmsegmente 2 lediglich durch Druckkräfte beaufschlagt werden. Fig. 1 shows a section through a tower 1, wherein only one half of the symmetrical tower is shown. The tower 1 consists of several stacked tower segments 2, which are made in spun concrete construction. Fig. 1 shows a detail of such a conical tower segment 2. In the sectional view of Fig. 1 it can be seen that the tower segment 2 has a horizontal and / or a helical reinforcement 3. The wall thickness of a tower segment 2 is comparatively low, and accordingly a tower segment 2 produced as a semi-finished part in a precast plant in spun concrete can be transported relatively easily because of its low weight. After transport to a designated location several conical tower segments 2 are placed on one another, then a formwork 4 is mounted inside the tower segment 2, in addition, a slack additional reinforcement 5 is mounted in this annulus. The annular space between the formwork 4 and the inside of the tower segment 2 is then filled with in-situ concrete 6, wherein the wall thickness of the in-situ concrete. 6 is a multiple of the wall thickness of the tower segment 2. Within the formwork 4 remains a central cavity 7, run in the prestressing steels, which extend from a tower head to a foundation of the tower 1 and is applied to the bias, so that the tower segments 2 are acted upon only by compressive forces.

Fig. 2 zeigt einen Querschnitt durch den Turm 1 von Fig. 1. Die Schalung 4 kann z. B. eine Pappschalung sein, die nach dem Einbringen des Ortbetons 6 entfernt wird oder in dem Turm 1 verbleibt. Die einzelnen Turmsegmente 2 werden nach und nach mit Ortbeton 6 gefüllt, anschließend können weitere Turmsegmente aufgesetzt werden. Die einzelnen Turmsegmente sind konisch geformt, so dass sich der Durchmesser der Turmsegmente von unten nach oben verringert. Der Turm 1 kann eine Gesamthöhe von 50 - 70 m aufweisen, der Außendurchmesser kann unten 3 - 4 m und am Turmkopf z. B. 2 m betragen. Ein einzelnes Turmsegment kann eine Länge von 5, 10 oder 15 m aufweisen. Fig. 2 shows a cross section through the tower 1 of Fig. 1 , The formwork 4 can z. B. be a cardboard formwork, which is removed after the introduction of in-situ concrete 6 or remains in the tower 1. The individual tower segments 2 are gradually filled with in-situ concrete 6, then further tower segments can be placed. The individual tower segments are conically shaped so that the diameter of the tower segments decreases from bottom to top. The tower 1 can have a total height of 50 - 70 m, the outer diameter can be down 3 - 4 m and the tower head z. B. 2 m. A single tower segment may have a length of 5, 10 or 15 m.

Fig. 3 zeigt eine geschnittene Seitenansicht einer Stoßfuge zwischen zwei Turmsegmenten. An beiden Turmsegmenten 2, 9 sind komplementär ausgebildeten Stufen 10, 11 ausgebildet, so dass die Turmsegmente 2, 9 formschlüssig und passgenau aufeinander aufsetzbar sind. Eine nach dem Aufeinandersetzen verbleibende umlaufende Stoßfuge 12 wird mit Mörtel 13 verpresst, wodurch eine form- und kraftschlüssige Verbindung geschaffen wird, die auch Witterungseinflüssen widersteht. Fig. 3 shows a sectional side view of a butt joint between two tower segments. Completely formed steps 10, 11 are formed on both tower segments 2, 9, so that the tower segments 2, 9 can be placed on one another in a form-fitting and precisely fitting manner. A remaining after the juxtaposing circumferential butt joint 12 is pressed with mortar 13, whereby a positive and non-positive connection is created, which also resists weathering.

Fig. 4 ist eine geschnittene Seitenansicht eines auf einem Fundament angeordneten Turmsegments des Turms 1. Das Fundament 14 kann aus Ortbeton oder alternativ als Fertigteil hergestellt sein und weist in seinem unteren Bereich 15 einen größeren Durchmesser als in seinem oberen Bereich 16 auf. In der linken Hälfte von Fig. 4 ist dargestellt, dass das Fundament 14 eine schlaffe Zusatzbewehrung 17 aufweist, diese Bewehrungsstäbe ragen an der Oberseite des Fundaments 14 heraus. Auf das Fundament 14 wird das unterste Turmsegment 2 aufgesetzt, das seinerseits die in den Figuren 1 und 2 gezeigte Zusatzbewehrung 5 aufweist. Die Zusatzbewehrung 17 des Fundaments 14 und die Zusatzbewehrung 5 im Inneren des Turmsegments 2 werden mit dem Ortbeton 6 vergossen, so dass sich ein Übergreifungsstoß 18 ergibt. Auf der rechten Seite von Fig. 4 ist eine alternative Bewehrungsanordnung gezeigt, dort sind Bewehrungsstäbe einer Zusatzbewehrung 19 mittels einer Muffe 20 mit einer schlaffen Zusatzbewehrung 21, die in Ortbeton 6 eingebettet ist, verbunden. Sowohl der Übergreifungsstoß 18 als auch die Muffe 20 ermöglichen den Anschluss der Zusatzbewehrung 5, 21 des untersten Turmsegments an das Fundament 14. Fig. 4 is a sectional side view of a tower arranged on a tower segment of the tower 1. The foundation 14 may be made of cast-in-situ concrete or alternatively as a finished part and has in its lower portion 15 has a larger diameter than in its upper portion 16. In the left half of Fig. 4 is shown that the foundation 14 has a loose additional reinforcement 17, these reinforcing rods protrude at the top of the foundation 14 out. On the foundation 14, the lowest tower segment 2 is placed, which in turn in the FIGS. 1 and 2 shown additional reinforcement 5 has. The additional reinforcement 17 of the foundation 14 and the additional reinforcement 5 in the interior of the tower segment 2 are cast with the in-situ concrete 6, so that a lap joint 18 results. On the right side of Fig. 4 If an alternative reinforcement arrangement is shown, there reinforcing bars of an additional reinforcement 19 are connected by means of a sleeve 20 with a limp additional reinforcement 21 which is embedded in in-situ concrete 6. Both the overlap joint 18 and the sleeve 20 allow the connection of the additional reinforcement 5, 21 of the lowermost tower segment to the foundation 14.

Fig. 5 ist eine geschnittene Seitenansicht eines Turmkopfes 22 des Turms 1. Der Turmkopf 22 ist scheibenförmig ausgebildet, sein Durchmesser stimmt mit dem Durchmesser eines obersten Turmsegments 23 überein. Das Turmsegment 23 weist denselben Aufbau wie das in Fig. 1 gezeigte Turmsegment 2 auf, das heißt, das vorgefertigte Turmsegment 23 ist im Inneren mit Ortbeton 6 vergossen, in diesem Bereich befindet sich eine schlaffe Zusatzbewehrung 5. Der Turmkopf 2 weist eine Reihe von kreisförmig angeordneten Durchgangslöchern 25 auf, an bzw. in denen die Spannstähle 8 verankert sind. Der Hohlraum 7 im Inneren der Turmsegmente ist über eine Öffnung 24 in dem Turmkopf 22 mit der Außenseite verbunden. Die einzelnen Spannstähle 8 werden von oben in den Turmkopf 22 eingeführt, der als Widerlager dient, das Spannen der Spannstähle 8 erfolgt an dem Fundament 14, wie in Fig. 4 gezeigt ist. Fig. 5 is a sectional side view of a tower head 22 of the tower 1. The tower head 22 is disc-shaped, its diameter coincides with the diameter of an uppermost tower segment 23. The tower segment 23 has the same structure as that in FIG Fig. 1 Tower segment 2 shown, that is, the prefabricated tower segment 23 is cast in the interior with in-situ concrete 6, in this area is a slack additional reinforcement 5. The tower head 2 has a series of circularly arranged through holes 25 on or in which the prestressing steels 8 are anchored. The cavity 7 in the interior of the tower segments is connected via an opening 24 in the tower head 22 to the outside. The individual prestressing steels 8 are introduced from above into the tower head 22, which serves as an abutment, the tensioning of the prestressing steels 8 takes place on the foundation 14, as in FIG Fig. 4 is shown.

Fig. 6 ist eine geschnittene Ansicht einer Stoßfuge 26, die zwei Mastsegmente 27, 28 miteinander verbindet. Die Mastabschnitte 27, 28 besitzen jeweils gegengleich abgestufte Profilabschnitte, wobei ein Profilabschnitt näherungsweise die halbe Wandstärke eines Mastabschnitts aufweist. Dementsprechend befindet sich die Stoßfuge 26 näherungsweise in der Mitte. Der untere Mastabschnitt 27 weist einen sich vertikal nach oben erstreckenden Profilabschnitt 29 auf, der sich entweder innen oder außen befindet. Bevorzugt wird dabei, dass der Profilabschnitt 29 an der Innenseite des Mastabschnitts 27 ausgebildet ist. Die Stoßfuge 26 umfasst zwei horizontale Abschnitte 30, 31 und einen dazwischen angeordneten näherungsweise vertikalen Abschnitt 32. Wesentlich ist dabei, dass der Abschnitt 32 lediglich näherungsweise vertikal ist, tatsächlich weist er eine zumindest geringe Neigung radial nach innen oder radial nach außen auf. In Fig. 6 erkennt man, dass die Profilabschnitte beider Mastabschnitte 27, 28 dieselbe leichte radiale Neigung bzw. Schrägstellung aufweisen, so dass dazwischen ein Hohlraum mit konstanter Breite und zueinander parallelen Flächen gebildet ist. Die Stoßfuge besitzt in diesem Ausführungsbeispiel eine Breite von z. B. 1,5 cm. Der Hohlraum wird nach der Montage mit einem Mörtel verpresst. Zusätzlich kann im Bereich des vertikalen Abschnitts eine Profilierung vorhanden sein, die beispielsweise durch eine Noppenfolie erzeugt ist. Nach dem Verpressen mit Mörtel ergibt sich durch die Profilierung ein besonders guter Kraftschluss zwischen den beiden Mastabschnitten 27, 28. Im Bereich der Stoßfuge 26 weisen die beiden Mastabschnitte 27, 28 eine verstärkte Bewehrung auf, um sowohl Zug- als auch Druckkräfte aufnehmen zu können. In Fig. 6 erkennt man, dass im Bereich des leicht geneigten vertikalen Abschnitts 32 ein ausreichender Freiraum bzw. ausreichendes Spiel vorgesehen ist, so dass die beiden Mastabschnitte 27, 28 trotz vorhandener Fertigungstoleranzen aufeinander gesetzt werden können. Der Zwischenraum bzw. Freiraum wird auch als Druckstrebe bezeichnet. Fig. 6 is a sectional view of a butt joint 26 connecting two pole segments 27, 28 together. The mast sections 27, 28 each have opposite stepped profile sections, wherein a profile section has approximately half the wall thickness of a mast section. Accordingly, the butt joint 26 is approximately in the middle. The lower mast section 27 has a vertically upwardly extending profile section 29, which is located either inside or outside. It is preferred that the profile section 29 is formed on the inside of the mast section 27. The butt joint 26 comprises two horizontal sections 30, 31 and an approximately vertical section 32 arranged therebetween. It is essential here that the section 32 is only approximately vertical, in fact it has one at least slight inclination radially inward or radially outward. In Fig. 6 it can be seen that the profile sections of both mast sections 27, 28 have the same slight radial inclination or inclined position, so that a cavity with a constant width and mutually parallel surfaces is formed therebetween. The butt joint in this embodiment has a width of z. B. 1.5 cm. The cavity is pressed after installation with a mortar. In addition, in the region of the vertical section, a profiling may be present, which is produced, for example, by a nubbed foil. After being pressed with mortar, the profiling results in a particularly good adhesion between the two mast sections 27, 28. In the area of the butt joint 26, the two mast sections 27, 28 have reinforced reinforcement in order to be able to absorb both tensile and compressive forces. In Fig. 6 recognizes that in the region of the slightly inclined vertical portion 32 sufficient clearance or sufficient play is provided so that the two mast sections 27, 28 can be placed on each other despite existing manufacturing tolerances. The space or free space is also referred to as a pressure strut.

Bei herkömmlichen Masten erzeugen die vorgespannten Litzen, die im Inneren des Masts angeordnet sind, an der Außenseite Zug- und Druckspannungen. Im Stoßbereich zwischen zwei Mastabschnitten wirken Kräfte, die ein Öffnen der Fuge verursachen könnten. An der Innenseite des Stoßes wirken hohe Druckkräfte. Da die in Fig. 6 gezeigte Stoßfuge 26 sowohl Zugkräfte als auch Druckkräfte aufnehmen kann, wird verhindert, dass es durch die im Inneren des Masts erzeugten Vorspannkräfte zu einem Öffnen der Stoßfuge an der Außenseite kommt.In conventional masts, the prestressed strands disposed inside the mast generate tensile and compressive stresses on the outside. In the joint area between two mast sections act forces that could cause an opening of the joint. On the inside of the shock act high pressure forces. Since the in Fig. 6 shown butt joint 26 can absorb both tensile and compressive forces, it is prevented that it is due to the biasing forces generated in the interior of the mast to open the butt joint on the outside.

Fig. 7 ist eine ähnliche Darstellung wie Fig. 6 und zeigt eine Stoßfuge 33 in einer geschnittenen Ansicht. Anders als in dem vorangegangenen Beispiel weist die Stoßfuge eine größere Breite auf, beispielsweise 2 cm, dementsprechend ist auch der mittlere Abschnitt 34 stärker geneigt. Fig. 7 is a similar representation as Fig. 6 and shows a butt joint 33 in a sectional view. Unlike in the previous example, the butt joint has a greater width, for example 2 cm, accordingly, the middle portion 34 is more inclined.

In ähnlicher Weise zeigt Fig. 8 eine Stoßfuge 35 in einer geschnittenen Ansicht, wobei die Breite der Stoßfuge in diesem Ausführungsbeispiel 2,5 cm beträgt. Dementsprechend ist der mittlere Abschnitt 36 stärker geneigt als in dem vorangehenden Beispiel. Die vertikale Erstreckung des mittleren Abschnitts 36 und die Neigung bzw. Schrägstellung sind dabei so abgestimmt, dass eine Montage der beiden Mastabschnitte gerade noch möglich ist.In a similar way shows Fig. 8 a butt joint 35 in a sectional view, wherein the width of the butt joint in this embodiment is 2.5 cm. Accordingly, the middle portion 36 is more inclined than in the previous example. The vertical extent of the central portion 36 and the inclination or inclination are adjusted so that an assembly of the two mast sections is just possible.

In ähnlicher Weise zeigt Fig. 9 ein weiteres Ausführungsbeispiel einer Stoßfuge 37, die eine Breite von 3 cm aufweist. Dementsprechend ist eine weiter erhöhte Schrägstellung des mittleren Abschnitts 38 vorhanden.In a similar way shows Fig. 9 another embodiment of a butt joint 37, which has a width of 3 cm. Accordingly, a further increased inclination of the central portion 38 is present.

Claims (15)

Turm (1), insbesondere für Stromleitungen, umfassend: - ein Fundament (14); - mehrere auf dem Fundament (14) übereinander angeordnete, in Schleuderbetonbauweise hergestellte Turmsegmente (2, 9, 23), die einen Hohlraum (7) umschließen, der nach der Montage der Turmsegmente (2, 9, 23) teilweise mit Ortbeton (6) gefüllt ist; und - in dem verbleibenden Hohlraum (7) angeordnete, eine Vorspannung erzeugende Spannstähle (8). Tower (1), in particular for power lines, comprising: - a foundation (14); - Several on the foundation (14) arranged one above the other, constructed in spun concrete tower segments (2, 9, 23) which enclose a cavity (7), which after assembly of the tower segments (2, 9, 23) partially with in-situ concrete (6) is filled; and - In the remaining cavity (7) arranged, a bias generating prestressing steels (8). Turm nach Anspruch 1, dadurch gekennzeichnet, dass der Ortbeton (6) eine schlaffe Zusatzbewehrung (5, 21) aufweist.Tower according to claim 1, characterized in that the in-situ concrete (6) has a loose additional reinforcement (5, 21). Turm nach Anspruch 2, dadurch gekennzeichnet, dass die schlaffe Zusatzbewehrung (5, 18) in dem Ortbeton (6) zwischen dem Fundament (14) und dem untersten Turmsegment (2) und/oder die schlaffe Zusatzbewehrung (5, 21) zweier benachbarter Turmsegmente (2, 9) durch einen Übergreifungsstoß (18) oder eine Muffe (20) miteinander verbunden ist.Tower according to claim 2, characterized in that the slack additional reinforcement (5, 18) in the in-situ concrete (6) between the foundation (14) and the lowest tower segment (2) and / or the slack additional reinforcement (5, 21) of two adjacent tower segments (2, 9) by a lap joint (18) or a sleeve (20) is interconnected. Turm nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zwischen benachbarten Turmsegmenten (2, 9) eine Stoßfuge (12) ausgebildet ist, die vorzugsweise mit Mörtel (13) verpresst ist.Tower according to one of the preceding claims, characterized in that between adjacent tower segments (2, 9) a butt joint (12) is formed, which is preferably pressed with mortar (13). Turm nach Anspruch 4, dadurch gekennzeichnet, dass die Stoßfuge aus gegengleich ausgebildeten Profilabschnitten mit jeweils etwa halber Wandstärke gebildet ist.Tower according to claim 4, characterized in that the butt joint is formed from counter-shaped profile sections, each with approximately half the wall thickness. Turm nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass ein näherungsweise vertikal verlaufender Abschnitt der Stoßfuge radial nach außen oder radial nach innen geneigt ist.Tower according to claim 4 or 5, characterized in that an approximately vertically extending portion of the butt joint is inclined radially outward or radially inwardly. Turm nach Anspruch 6, dadurch gekennzeichnet, dass die Breite der Stoßfuge so gewählt ist, dass benachbarte Turmsegmente trotz der geneigten Abschnitte aufeinander setzbar sind.Tower according to claim 6, characterized in that the width of the butt joint is selected so that adjacent tower segments can be placed on each other despite the inclined sections. Turm nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass er wenigstens eine Traverse für Stromleitungen aufweist.Tower according to one of the preceding claims, characterized in that it comprises at least one traverse for power lines. Turm nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass auf der Oberseite des Turms (1) ein vorzugsweise aus Stahl bestehender Turmkopf (22) aufgesetzt ist, an dem die Spannstähle (8) verankert sind.Tower according to one of the preceding claims, characterized in that on the top of the tower (1) a preferably made of steel tower head (22) is placed, on which the prestressing steels (8) are anchored. Verfahren zur Herstellung eines Turms, insbesondere für Stromleitungen, umfassend die folgenden Schritte: - Herstellen eines Fundaments aus Ortbeton oder als Betonfertigteil; - Herstellen mehrerer Turmsegmente in Schleuderbetonbauweise; - Transportieren der Turmsegmente an einen Aufstellort und Montage der Turmsegmente aufeinander; - Herstellen einer Schalung im Inneren der Turmsegmente; - Betonieren eines durch die Innenseite der Turmsegmente und die Schalung gebildeten Ringraums mit Ortbeton; - Montieren von Spannstählen in einem im Inneren der Schalung verbleibenden Hohlraum. Method for producing a tower, in particular for power lines, comprising the following steps: - Establishment of a foundation made of in-situ concrete or as precast concrete element; - Manufacture of several tower segments in spun concrete construction; - Transporting the tower segments to a location and mounting the tower segments to each other; - Making a formwork in the interior of the tower segments; - concreting an annular space formed by the inside of the tower segments and the formwork with in-situ concrete; - Mounting of prestressing steels in a cavity remaining inside the formwork. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass in dem Ringraum vor dem Betonieren eine schlaffe Zusatzbewehrung montiert wird.A method according to claim 10, characterized in that in the annular space before concreting a limp additional reinforcement is mounted. Verfahren nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass auf die Spannstähle nach der Montage eine festgelegte Vorspannung mit einer Spannpresse aufgebracht wird.A method according to claim 10 or 11, characterized in that on the prestressing steels after assembly, a predetermined bias is applied with a clamping press. Verfahren nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass die Zusatzbewehrung in dem Ortbeton mit einer Bewehrung des Fundaments über einen Übergreifungsstoß oder eine Muffe verbunden wird.A method according to claim 11 or 12, characterized in that the additional reinforcement in the in-situ concrete is connected to a reinforcement of the foundation via an overlapping joint or a sleeve. Verfahren nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass zwischen benachbarten Turmsegmenten eine Stoßfuge ausgebildet wird, die vorzugsweise mit Mörtel verpresst wird.Method according to one of claims 10 to 13, characterized in that between adjacent tower segments a butt joint is formed, which is preferably pressed with mortar. Verfahren nach einem der Ansprüche 10 bis 14, dadurch gekennzeichnet, dass auf die Oberseite des Turms ein vorzugsweise aus Stahl hergestellter Turmkopf aufgesetzt wird, an dem die Spannstähle verankert werden.Method according to one of claims 10 to 14, characterized in that on the top of the tower, a tower head preferably made of steel is placed, on which the prestressing steels are anchored.
EP14175878.9A 2014-07-04 2014-07-04 Tower, in particular for power lines Active EP2963206B1 (en)

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RU190655U1 (en) * 2019-05-07 2019-07-08 Общество с ограниченной ответственностью "Элмонт-Инновации" RACK SUPPORT POWER LINES
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DE972002C (en) * 1948-12-28 1959-05-06 Eugen Kilgus Process for the production of prestressed concrete hollow masts
AU1037276A (en) * 1976-01-16 1977-07-28 Centrifugated & Prestressed Co Centrifugated concrete piles and poles
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Publication number Priority date Publication date Assignee Title
WO2018193281A1 (en) * 2017-04-18 2018-10-25 Soletanche Freyssinet A method of manufacturing precast concrete segments for a tower
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RU190655U1 (en) * 2019-05-07 2019-07-08 Общество с ограниченной ответственностью "Элмонт-Инновации" RACK SUPPORT POWER LINES
CN112392664A (en) * 2019-08-15 2021-02-23 北京金风科创风电设备有限公司 Concrete tower barrel section and tower
CN112392664B (en) * 2019-08-15 2022-08-30 北京金风科创风电设备有限公司 Concrete tower tube section and tower

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