EP4144920B1 - Verfahren zum anordnen eines pfahls wie z. b. eines betonpfahls im boden - Google Patents

Verfahren zum anordnen eines pfahls wie z. b. eines betonpfahls im boden Download PDF

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Publication number
EP4144920B1
EP4144920B1 EP22193468.0A EP22193468A EP4144920B1 EP 4144920 B1 EP4144920 B1 EP 4144920B1 EP 22193468 A EP22193468 A EP 22193468A EP 4144920 B1 EP4144920 B1 EP 4144920B1
Authority
EP
European Patent Office
Prior art keywords
pile
ground
frame
clamping
plates
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
EP22193468.0A
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English (en)
French (fr)
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EP4144920A1 (de
Inventor
Gerrit Stienstra
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.)
Stienstra & Van Der Wal Beheer BV
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Stienstra & Van Der Wal Beheer BV
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Application filed by Stienstra & Van Der Wal Beheer BV filed Critical Stienstra & Van Der Wal Beheer BV
Publication of EP4144920A1 publication Critical patent/EP4144920A1/de
Application granted granted Critical
Publication of EP4144920B1 publication Critical patent/EP4144920B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/20—Placing by pressure or pulling power
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02—Sheet piles or sheet pile bulkheads
    • E02D5/03—Prefabricated parts, e.g. composite sheet piles
    • E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete

Definitions

  • the invention relates to a method for arranging a pile, such as a concrete pile, in the ground.
  • Piles such as concrete piles, are usually arranged in the ground by pile-driving. This causes significant vibration in the ground, which can be detrimental to the surrounding land and/or buildings.
  • An alternative is to drill a hole and then place reinforcing steel therein, and then pour concrete into the hole so that a concrete pile is formed in situ. After pouring, the concrete must first cure for several weeks before load may be exerted on the formed concrete piles.
  • a second alternative is to press concrete piles into the ground.
  • the drawback of this technique is that the machine with which the piles are pressed into the ground must have a mass of a magnitude such that the pressing force can be counteracted therewith. This technique can thereby only be applied on a ground surface which is sufficiently stable for the weight of the machine and at locations which are accessible to such a large machine.
  • This object is achieved according to the invention with a method for arranging a pile, such as a concrete pile, in the ground, which method comprises the steps of:
  • Pressing elongate plates into the ground one by one can be done with a relatively small pressing force and thereby with a relatively light machine.
  • Use can be made here of a sheet pile press as described in the as yet unpublished Netherlands patent application no. 2026987 of applicant.
  • prior art documents EP 1 806 455 A and US 4 709 764 A describe a machine of that kind.
  • a determined tractive force can be withstood by the joint friction of the plates in the ground.
  • This joint friction can be used as opposing force when pressing piles, such as concrete piles, into the ground.
  • each press stroke comprises of:
  • Pressing the pile into the ground in steps with press strokes makes it possible to use small actuators, such as hydraulic cylinders.
  • actuators with a stroke equal to the length of the pile are necessary.
  • By pressing in steps as according to the invention an almost unlimited length can be pressed into the ground with a small stroke.
  • Actuators with a short stroke can furthermore generate a great force more easily than actuators with a long stroke.
  • a preferred embodiment of the method further comprises the step of removing the elongate plates from the ground one by one after the pile has been pressed into the ground.
  • the elongate plates can be removed one by one after the pile has been arranged.
  • the pile can here optionally be used as support.
  • the elongate plates are preferably sheet pile profile plates.
  • Sheet pile profile plates are highly suitable for being arranged in the ground and being removed therefrom again.
  • the invention further comprises a device for a method according to the invention, which device comprises:
  • the mounting means for mounting the frame preferably comprise hydraulic grippers on the upper sides of elongate plates pressed into the ground for the purpose of clamping the frame on the upper edge of an elongate plate.
  • the clamping device comprises at least one hydraulic gripper for clamping round a pile.
  • the frame comprises at least one transverse beam, wherein the mounting means are arranged on either end of the transverse beam, wherein the press cylinder is slidable along the transverse beam and is arranged slidably thereon.
  • the frame further comprises two parallel longitudinal beams arranged at a mutual distance, wherein the at least one transverse beam is arranged on the longitudinal beams for sliding in longitudinal direction of the longitudinal beams and wherein the mounting means are arranged on the longitudinal beams.
  • a frame 7 is then arranged on the upper side of the elongate plates 2, 3, 4, 5 via hydraulic grippers 6.
  • Grippers 6 can be displaced in the height relative to frame 7 by hydraulic cylinders 8.
  • a clamping device of plates 9 and cylinders 10 is further provided on frame 7.
  • FIG 1D a concrete pile 11 is clamped between plates 9 of the clamping device.
  • frame 7 By moving frame 7 up and downward with cylinders 8 and releasing clamping device 9, 10 in the upward movement and clamping the concrete pile 11 in the downward movement the concrete pile 11 is thus pressed into the ground.
  • each elongate plate 2, 3, 4, 5 can be pulled out of the ground again individually, wherein concrete pile 11 is for instance used as support point.
  • Figure 2 shows the device according to the invention in perspective view.
  • the grippers 6 are here clamped onto the upper edges of the elongate plates 2, 3, 4, 5.
  • a clamping device of plates 9 and hydraulic cylinders 10, between which a pile 11 is clamped, is further provided on frame 7.
  • Suitable control of hydraulic cylinders 8 and hydraulic cylinders 10 enables the pile 11 to be pressed into the bottom in steps with press strokes.
  • Figure 3 shows a second embodiment 20 of a device according to the invention.
  • elongate plates 22 have been pressed into the bottom 21 at two separate locations.
  • Longitudinal beams 23 have been mounted on these plates.
  • Transverse beams 24 have then been arranged slidably on these longitudinal beams 23 (see also figure 4 ).
  • a guide 25 Arranged along the transverse beams 24 is a guide 25, on which is placed a yoke 26 with a press cylinder 27 therebetween. Press cylinder 27 exerts a pressing force on a guide 28, which is provided around the yoke 26. Provided on this guide 28 is a clamp 29, 30, which clamps a concrete pile 31 and so presses it into bottom 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Claims (9)

  1. Verfahren zum Anordnen eines Pfahls, beispielsweise eines Betonpfahls, im Boden, wobei das Verfahren die folgenden Schritte umfasst:
    - Anordnen einer Reihe von länglichen Platten (2-5) nacheinander auf dem Boden;
    - Anordnen eines alle Oberseiten miteinander verbindenden (6) Rahmens (7) auf den Oberseiten der in den Boden (1) eingedrückten länglichen Platten (8);
    gekennzeichnet durch:
    - Bereitstellen eines Pfahls (11), beispielsweise eines Betonpfahls;
    - Eindrücken des Pfahls in den Boden, wobei die Druckkraft zwischen dem Pfahl und dem Rahmen erzeugt wird.
  2. Verfahren nach Anspruch 1, wobei das Eindrücken des Pfahls in den Boden in Schritten mit Presshüben erfolgt, wobei jeder Presshub Folgendes umfasst:
    - Einspannen des Pfahls gegenüber dem Rahmen in einer Ausgangsposition;
    - Eindrücken des Pfahls in den Boden über einen bestimmten Hub; und
    - Loslassen des Pfahls am Ende des Hubes.
  3. Verfahren nach Anspruch 1 oder 2, das weiter den Schritt umfasst, die länglichen Platten nacheinander aus dem Boden zu entfernen, nachdem der Pfahl in den Boden gedrückt worden ist.
  4. Verfahren nach einem der vorstehenden Ansprüche, wobei die länglichen Platten Spundwandprofilplatten sind.
  5. Vorrichtung zur Ausführung eines Verfahrens nach einem der vorstehenden Ansprüche, wobei die Vorrichtung Folgendes umfasst:
    - einen Rahmen (7) mit Befestigungsmitteln (6) zur Befestigung des Rahmens an den Oberseiten von länglichen Platten (2-5), die in den Boden (1) gedrückt werden;
    - mindestens einen Presszylinder (8), der mit einem Ende am Rahmen angeordnet ist;
    gekennzeichnet durch:
    - eine Spannvorrichtung (9, 10) zum Einspannen eines Pfahls (11), beispielsweise eines Betonpfahls, wobei die Spannvorrichtung am anderen Ende des mindestens einen Presszylinders angeordnet ist.
  6. Vorrichtung nach Anspruch 5, wobei die Befestigungsmittel zur Befestigung des Rahmens hydraulische Greifer an den Oberseiten von länglichen Platten umfassen, die in den Boden gedrückt werden, um den Rahmen an der Oberkante einer länglichen Platte einzuspannen.
  7. Vorrichtung nach Anspruch 5 oder 6, wobei die Spannvorrichtung mindestens einen hydraulischen Greifer zum Umspannen eines Pfahls umfasst.
  8. Vorrichtung nach einem der vorstehenden Ansprüche 5-7, wobei der Rahmen mindestens einen Querträger umfasst, wobei die Befestigungsmittel an beiden Enden des Querträgers angeordnet sind, wobei der Presszylinder entlang des Querträgers verschiebbar ist und auf diesem verschiebbar angeordnet ist.
  9. Vorrichtung nach Anspruch 8, wobei der Rahmen weiter zwei parallele Längsträger umfasst, die in einem gegenseitigen Abstand angeordnet sind, wobei der mindestens eine Querträger auf den Längsträgern zum Gleiten in Längsrichtung der Längsträger angeordnet ist und wobei die Befestigungsmittel auf den Längsträgern angeordnet sind.
EP22193468.0A 2021-09-02 2022-09-01 Verfahren zum anordnen eines pfahls wie z. b. eines betonpfahls im boden Active EP4144920B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2029103A NL2029103B1 (nl) 2021-09-02 2021-09-02 Werkwijze voor het in de grond aanbrengen van een paal, zoals een betonpaal

Publications (2)

Publication Number Publication Date
EP4144920A1 EP4144920A1 (de) 2023-03-08
EP4144920B1 true EP4144920B1 (de) 2025-04-30

Family

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Application Number Title Priority Date Filing Date
EP22193468.0A Active EP4144920B1 (de) 2021-09-02 2022-09-01 Verfahren zum anordnen eines pfahls wie z. b. eines betonpfahls im boden

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EP (1) EP4144920B1 (de)
NL (1) NL2029103B1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709764A (en) * 1986-01-16 1987-12-01 Maxine S. Gibbons Sheet pile supported driver
DE102005060418A1 (de) * 2005-12-15 2007-06-21 Abi Anlagentechnik- Baumaschinen- Industriebebedarf Gmbh Mehrfachpresse mit verstellbaren Abständen
NL2026987B1 (nl) 2020-11-26 2022-07-04 Stienstra & Van Der Wal Beheer B V Damwand pers

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NL2029103B1 (nl) 2023-03-20
EP4144920A1 (de) 2023-03-08

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