EP2963206B1 - Tower, in particular for power lines - Google Patents
Tower, in particular for power lines Download PDFInfo
- Publication number
- EP2963206B1 EP2963206B1 EP14175878.9A EP14175878A EP2963206B1 EP 2963206 B1 EP2963206 B1 EP 2963206B1 EP 14175878 A EP14175878 A EP 14175878A EP 2963206 B1 EP2963206 B1 EP 2963206B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tower
- segments
- tower segments
- butt joint
- cast
- 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.)
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Links
- 239000004567 concrete Substances 0.000 claims description 37
- 210000001503 joint Anatomy 0.000 claims description 32
- 230000002787 reinforcement Effects 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000009415 formwork Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000011440 grout Substances 0.000 claims 2
- 238000011065 in-situ storage Methods 0.000 description 16
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- E04H12/16—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
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. Ein Turm, der in Schleuderbetonbauweise hergestellt wird, ist aus der
Freileitungsmasten für Mittelspannungsleitungen werden auch in Stahlvollwandbauweise errichtet, dazu werden kantige konische Profile verwendet, z. B. ein Achteckquerschnitt.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.
- 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.
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
In ähnlicher Weise zeigt
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.Accordingly, the
In ähnlicher Weise zeigt
Claims (15)
- A tower (1), especially for power lines, comprising:- a foundation (14);- multiple tower segments (2, 9, 23) arranged above each other on the foundation (14), produced in a spun concrete construction manner, which surround a cavity (7), characterized in that the cavity, after installation of the tower segments (2, 9, 23), is partially filled with cast-in-place concrete (6), and the tower comprises pre-stressing steels (8) arranged in the remaining cavity (7) and generating pre-stressing.
- The tower according to Claim 1, characterized in that the cast-in-place concrete (6) has loose additional reinforcement (5, 21).
- The tower according to Claim 2, characterized in that the loose additional reinforcement (5) in the cast-in-place concrete (6) between the foundation (14) and the lower-most tower segment (2) and/or the loose additional reinforcement (21) of two neighboring tower segments (2, 9) is connected to each other via an overlap joint (18) or a sleeve (20).
- Tower according to one of the preceding claims, characterized in that a butt joint (12) is formed between neighboring tower segments (2, 9) into which preferably grout (13) is compressed.
- The tower according to Claim 4, characterized in that the butt joint is formed from profiled sections formed in a diametrically opposed manner each having half of the wall thickness.
- The tower according to Claim 4 or 5, characterized in that an approximately vertically extending section of the butt joint is tilted radially outwards or radially inwards.
- The tower according to Claim 6, characterized in that the width of the butt joint is selected such that neighboring tower segments are placeable onto each other.
- The tower according to one of the preceding claims, characterized in that it has at least one traverse for power lines.
- The tower according to one of the preceding claims, characterized in that on the upper surface of the tower (1), a tower head (22) is arranged that preferably consists of steel (22), on which the pre-stressing steels (8) are anchored.
- A process for the manufacture of a tower especially for power lines, comprising the following steps:- manufacturing a foundation of cast-in-place concrete or as an prefabricated concrete element;- manufacturing multiple tower segments (2,9,23) in a spun concrete construction manner;- conveying the tower segments to an installation site and assembling the tower segments;- manufacturing a formwork (4) in the interior of the tower segments;- placing cast-in-place concrete into an annular space formed by the interior side of the tower segments and the formwork;- installing pre-stressed steels (8) into a cavity remaining in the interior of the formwork.
- The process according to Claim 10, characterized in that in the annular space a loose additional reinforcement (5) is installed prior to concrete placing.
- The process according to Claim 10 or 11, characterized in that following installation, a set prestress is applied onto the pre-stressing steels with a stressing jack.
- The process according to Claim 11 or 12, characterized in that the additional reinforcement in the cast-in-place concrete is connected to a reinforcement of the foundation via an overlap joint (18) or a sleeve (20).
- The process according to one of the claims 10 to 13, characterized in that between neighboring tower segments a butt joint (26) will be formed, into which preferably grout is compressed.
- The process according to one of the claims 10 to 14, characterized in that a tower head (22) preferably made of steel, on which the pre-stressing steels will be anchored, is placed onto the upper surface of the tower.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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EP14175878.9A EP2963206B1 (en) | 2014-07-04 | 2014-07-04 | Tower, in particular for power lines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP14175878.9A EP2963206B1 (en) | 2014-07-04 | 2014-07-04 | Tower, in particular for power lines |
Publications (2)
Publication Number | Publication Date |
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EP2963206A1 EP2963206A1 (en) | 2016-01-06 |
EP2963206B1 true EP2963206B1 (en) | 2017-05-24 |
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EP14175878.9A Active EP2963206B1 (en) | 2014-07-04 | 2014-07-04 | Tower, in particular for power lines |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20210277682A1 (en) * | 2017-04-18 | 2021-09-09 | Soletanche Freyssinet | A method of manufacturing pseudo-conjugated precast concrete segments |
RU190655U1 (en) * | 2019-05-07 | 2019-07-08 | Общество с ограниченной ответственностью "Элмонт-Инновации" | RACK SUPPORT POWER LINES |
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 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2009099360A1 (en) * | 2008-02-05 | 2009-08-13 | Telefonaktiebolaget L M Ericsson (Publ) | Method of making hollow concrete elements |
EP2647782B1 (en) * | 2012-04-05 | 2015-11-18 | SAG GmbH | Mast for an overhead line device |
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2014
- 2014-07-04 EP EP14175878.9A patent/EP2963206B1/en active Active
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