EP3857004B1 - Verfahren zur reparatur eines in wasser vorhandenen holzpfahls - Google Patents

Verfahren zur reparatur eines in wasser vorhandenen holzpfahls Download PDF

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Publication number
EP3857004B1
EP3857004B1 EP19833001.1A EP19833001A EP3857004B1 EP 3857004 B1 EP3857004 B1 EP 3857004B1 EP 19833001 A EP19833001 A EP 19833001A EP 3857004 B1 EP3857004 B1 EP 3857004B1
Authority
EP
European Patent Office
Prior art keywords
pole
casing
repaired
casing part
reinforced
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.)
Active
Application number
EP19833001.1A
Other languages
English (en)
French (fr)
Other versions
EP3857004C0 (de
EP3857004A2 (de
Inventor
Jacobus Petrus Johannes Bisseling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Protekta BV
Original Assignee
Protekta BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Protekta BV filed Critical Protekta BV
Publication of EP3857004A2 publication Critical patent/EP3857004A2/de
Application granted granted Critical
Publication of EP3857004C0 publication Critical patent/EP3857004C0/de
Publication of EP3857004B1 publication Critical patent/EP3857004B1/de
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Anticipated expiration legal-status Critical

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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
    • E04H12/22—Sockets or holders for poles or posts
    • E04H12/2292—Holders used for protection, repair or reinforcement of the post or pole

Definitions

  • the invention relates to a method for repairing or reinforcing a wooden pole being at least partly under water, comprising:
  • An object of the invention is to provide a method of the type described in the preamble for repairing and / or reinforcing a wooden post that is at least partly submerged into water which method is easier to carry out than the known method.
  • the method according to the invention is characterized in that:
  • the casing can be made from universal parts (plates and angle profiles), which can be made to size in a simple manner, while the casing is not or hardly needs to be bent open and can be fitted simply and easily to the pole to be repaired or reinforced. Moreover, by ensuring that the casing is free of projecting parts, ships scrambling against the pole are less or not damaged and no dirt can get caught on the casing.
  • the part of the pole to be repaired or reinforced may be damaged or - at the location of the part of the pole to be repaired or reinforced - the affected part or the outer layer of the affected part may be removed, or the part of the pole to be repaired or reinforced can consist of two superimposed poles that must be connected to each other.
  • the closing plate can for instance be pinned to the casing part.
  • the closing plate is glued to the casing part. After filling the space between the casing and the post with epoxy that adheres to both the post and the casing, the casing part and the closing plate are firmly attached to the post.
  • An embodiment of the method according to the invention is characterized in that the casing part is manufactured by tailoring and / or bending the plate parts in stock and, if necessary, various tailor-made sheet parts being glued together whether or not via auxiliary profiles.
  • the casing part to be applied is made of a glass fiber-reinforced plastic, for example Vinylester.
  • a further embodiment of the method according to the invention is characterized in that the casing part is manufactured from three made-to-measure plate parts and two universal angle profiles such that the casing part obtains a U-shaped cross section.
  • Yet a further embodiment of the method according to the invention is characterized in that, before the casing part is applied to the part of the pole to be repaired or reinforced, spacer elements are first placed against that part of the pole, so that everywhere an equally thick layer of epoxy is applied.
  • the spacer elements are preferably formed by elongated glass fiber rods and are arranged in the longitudinal direction of the pole.
  • At least two parallel spaced-apart spacer elements are provided against each side of the part to be repaired or reinforced, so that anywhere the walls of the casing will be kept at a distance from the post during the filling of the space between the casing and the post with epoxy.
  • Figures 1 and 2 show a pole repaired with the method according to the invention in cross-section, wherein Figure 2 shows a detail of the cross-section shown in Figure 1 .
  • It is a hardwood pole 1 against which spacer elements 21 formed by glass fiber rods are screwed and which is surrounded by a casing 5 of a suitable glass fiber reinforced plastic.
  • the casing 5 is composed of plastic plates 13 and 14 and universal plastic corner profiles 15 via which the plates are connected to each other.
  • the plates 13 and 14 can be glued and / or pinned to corner profiles 15.
  • the space 9 between the casing 5 and the post 1 is filled with epoxy 11, for example vinyl ester (Protek Aqua ® ).
  • Figure 3 shows the situation during the installation of the casing around the pole. This is done by sliding a U-shaped casing part 5a around the post 1 in a direction 16 transversely of the longitudinal direction of the post and then closing the open side of the casing part with a plate 14.
  • the casing part 5a is formed by three cut-to-size / sawn-to-size plates 13 which are attached to each other via two corner profiles 15. Prior to making the plates to size, the pile 1 was measured to determine the dimensions of the casing to be manufactured.
  • the plate 14 for closing the open side is also made to size and further angle profiles 15 are attached to the plate along its two vertical edges. After sliding the casing part 5a around the post, the plate 14 can be secured with the corner profiles 15 on edges 5b of the casing part 5a bounding the open side.
  • Figure 4 shows a pole repaired with the method according to the invention in longitudinal section.
  • the pole 1 is partly present under water 3 and is located with an end 1a in the bottom 23 under the water.
  • the lower part 7 of the post 1 can be damaged by woodworm or is partly rotten.
  • Part 17 of the affected or rotten part 7 has been sawn or milled away.
  • a saw cut is made on the top side of the part to be removed, which saw cut extends inwards obliquely upwards, in order to form an upper boundary wall 19 of the removed part which extends from the inside outwardly obliquely downwards.
  • the space 9 thus created between the casing 5 and the pole is filled with epoxy 11.
  • the underside 6 of the casing 5 is on the bottom 23 so that the epoxy applied in the liquid state cannot flow out of this space 9 at the bottom. After filling the space created by the removal with epoxy 11, the oblique boundary wall 19 prevents water from seeping between the epoxy and the upper boundary wall 19.
  • Figure 5 shows a pole 1 repaired with the method according to the invention in side view.
  • the pole is partly present in the water 3 and with an end 1a in the bottom 23.
  • the underside 6 of casing is located on the bottom 23 and is present around the affected part 7 of the post 1.
  • Figure 6 shows another pole 31 repaired with the method according to the invention in cross-section.
  • the post 31 has a round shape and the casing part 33 is formed by a curved made-to-measure plate part.
  • the closing plate 35 is also formed by a curved tailor-made plate part which is glued directly to the casing part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Revetment (AREA)

Claims (7)

  1. Verfahren zur Reparatur oder Verstärkung eines zumindest teilweise unter Wasser (3) stehenden Holzmastes (1), umfassend:
    - Anordnen eines Gehäuses (5) um den Mast herum über einen Teil (7) der Länge des Mastes, der repariert und/oder verstärkt werden muss, wobei zunächst ein Gehäuseteil (5a), das Seitenkanten (5b) aufweist und nach außen hin offen ist an eine Seite, in einer Richtung senkrecht zur Längsrichtung des Mastes (1) um den Mast geschoben wird und anschließend die offene Seite des Gehäuseteils (5a) mit einer Verschlussplatte (14) verschlossen wird und dadurch befestigt wird an den Seitenkanten (5b) des Gehäuseteils,
    - Abdichten des Raumes (9) zwischen Gehäuse (5) und Mast (1) an der Unterseite (6) des Gehäuses,
    - Füllen des Raums (9) zwischen dem Gehäuse (5) und dem Teil des Masts (1) mit einem Epoxidharz (11) und
    - wobei die Verschlussplatte (14) so am Gehäuseteil (5a) befestigt ist, dass die Außenfläche des Gehäuses (5) frei von vorstehenden Teilen ist.
    dadurch gekennzeichnet
    - zunächst werden die Abmessungen des zu reparierenden oder zu verstärkenden Mastes (1) gemessen,
    - dann wird das Gehäuseteil (5a) aus vorrätigen Plattenteilen (13) hergestellt, und
    - bevor das Gehäuse (5) um den Mast (1) herum angebracht wird, wird zunächst mindestens ein Teil (17) des betroffenen Teils (7) des Masts (1) entfernt, wobei an der Oberseite des zu entfernenden Teils (7) der Mast (1) ein Sägeschnitt angeordnet wird, der sich nach innen geneigt nach oben erstreckt, um eine obere Begrenzungswand (19) des entfernten Teils zu bilden, wobei sich die obere Begrenzungswand von innen nach außen schräg nach unten erstreckt, um zu verhindern, dass nach dem Füllen des durch die Entfernung entstandenen Raums, mit Epoxidharz (11), Wasser zwischen dem Epoxidharz und der oberen Begrenzungswand (19) eindringen kann.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Verschlussplatte (14) mit dem Gehäuseteil (5a) verklebt wird.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Gehäuseteil (5a) durch Zuschneiden und/oder Biegen der vorrätigen Plattenteile (13) und gegebenenfalls mit oder ohne Hilfsprofile (15) Zusammenkleben verschiedener maßgeschneiderter Plattenteile hergestellt wird.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass das Gehäuseteil (5a) aus drei maßgefertigten Plattenteilen (13) und zwei Universalwinkelprofilen (15) so hergestellt wird, dass das Gehäuseteil eine U-förmige Abschnitt erhält.
  5. Verfahren nach Anspruch 1, 2, 3 oder 4, dadurch gekennzeichnet, dass vor dem Anbringen des Gehäuseteil (5a) an dem zu reparierenden oder zu verstärkenden Teil (7) des Mastes (1) zuerst Abstandselemente (21) gegen diesen Teil des Mastes angebracht werden.
  6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass die Abstandselemente (21) durch längliche Glasfaserstäbe gebildet werden und in Längsrichtung des Mastes (1) angeordnet werden.
  7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass gegen jede Seite des zu reparierenden oder zu verstärkenden Teils (7) mindestens zwei parallel beabstandete Abstandselemente (21) vorgesehen werden.
EP19833001.1A 2018-09-26 2019-09-25 Verfahren zur reparatur eines in wasser vorhandenen holzpfahls Active EP3857004B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2021718A NL2021718B1 (nl) 2018-09-26 2018-09-26 Werkwijze voor het repareren van een onder water aanwezige houten paal
PCT/NL2019/050644 WO2020067894A2 (en) 2018-09-26 2019-09-25 Method for repairing a wooden pole present in water

Publications (3)

Publication Number Publication Date
EP3857004A2 EP3857004A2 (de) 2021-08-04
EP3857004C0 EP3857004C0 (de) 2023-08-30
EP3857004B1 true EP3857004B1 (de) 2023-08-30

Family

ID=69147755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19833001.1A Active EP3857004B1 (de) 2018-09-26 2019-09-25 Verfahren zur reparatur eines in wasser vorhandenen holzpfahls

Country Status (3)

Country Link
EP (1) EP3857004B1 (de)
NL (1) NL2021718B1 (de)
WO (1) WO2020067894A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2032577B1 (nl) * 2022-07-22 2024-01-29 Protekta Aqua Tech B V Werkwijze en epoxyhars voor het herstellen van een aangetaste houtconstructie

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019301A (en) * 1974-07-15 1977-04-26 Fox Douglas L Corrosion-resistant encasement for structural members
AU5586080A (en) * 1980-02-25 1981-09-03 Moore, C.D. Reconditioning structural piling
US6033150A (en) * 1997-02-25 2000-03-07 Culen; Matthew F. Method for suppressing borer attack of marine structures and an improved, borer-immune marine structure
AUPO666597A0 (en) * 1997-05-07 1997-05-29 Amog Technologies Pty Ltd Repair of tubular structural members
US7300229B1 (en) * 2005-11-18 2007-11-27 Fyfe Edward R Repair jacket for pilings and method
US20110280666A1 (en) * 2010-05-11 2011-11-17 Sammy Varnam Protective environmentally friendly accessory for marine piling

Also Published As

Publication number Publication date
EP3857004C0 (de) 2023-08-30
EP3857004A2 (de) 2021-08-04
WO2020067894A2 (en) 2020-04-02
NL2021718B1 (nl) 2020-05-07
WO2020067894A3 (en) 2020-05-07

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