EP0525865A1 - Verfahren und Vorrichtung zum Eintreiben von Pfählen - Google Patents

Verfahren und Vorrichtung zum Eintreiben von Pfählen Download PDF

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Publication number
EP0525865A1
EP0525865A1 EP92202179A EP92202179A EP0525865A1 EP 0525865 A1 EP0525865 A1 EP 0525865A1 EP 92202179 A EP92202179 A EP 92202179A EP 92202179 A EP92202179 A EP 92202179A EP 0525865 A1 EP0525865 A1 EP 0525865A1
Authority
EP
European Patent Office
Prior art keywords
tubular pile
ram
spring element
spring
kinetic energy
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.)
Granted
Application number
EP92202179A
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English (en)
French (fr)
Other versions
EP0525865B1 (de
Inventor
Victor Jan De Waal
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.)
De Waal Technology & Consultancy Bv
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De Waal Technology & Consultancy Bv
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Filing date
Publication date
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Application filed by De Waal Technology & Consultancy Bv filed Critical De Waal Technology & Consultancy Bv
Publication of EP0525865A1 publication Critical patent/EP0525865A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/10—Follow-blocks of pile-drivers or like devices

Definitions

  • the present invention relates to a method and device for driving tubular piles, in which a ram is dropped over a height in a tubular pile, provided with a foot, onto an impact face situated in said tubular pile, in order to transfer the kinetic energy from the ram to the ground near the tubular pile, for driving the tubular pile into the ground.
  • Such a method is often used if the working space is not high enough to drive concrete piles, as is the case inside existing buildings, or where the access opening is small. Since the ram falls in a tubular steel pile, and since the tubular pile can be welded together in sections during pile driving, little working height is needed.
  • a widened foot of steel or concrete is sometimes placed around the tubular pile. Instead of that, a widened foot is sometimes also driven out after the tubular pile has been driven into the ground.
  • tubular pile When the tubular pile is at the correct depth, it can be cut off at the correct height and filled with concrete, in which reinforcement can be provided.
  • Driving a tubular steel pile is normally carried out by placing a plug of, for example, sand, gravel or concrete or a second steel plate in the bottom part thereof and dropping a solid metal ram, with a diameter generally lying between 80 and 500 mm and a weight generally lying between 100 and 4,000 kg, in the tube onto the ground, plug or plate, so that a force impulse is produced thereon.
  • a plug of, for example, sand, gravel or concrete or a second steel plate in the bottom part thereof and dropping a solid metal ram, with a diameter generally lying between 80 and 500 mm and a weight generally lying between 100 and 4,000 kg, in the tube onto the ground, plug or plate, so that a force impulse is produced thereon.
  • This known method has the disadvantage that a part of the energy of the ram is not utilised for driving the tubular pile into the ground, but goes into the tubular pile itself and can lead there to undesirable plastic deformation if the wall thickness is small.
  • the object of the method according to the invention is to eliminate or reduce these disadvantages, through the fact that the kinetic energy of the ram is transferred dispersed to the ground near the tubular pile.
  • the devices according to the invention are essentially characterised in that for this purpose means which temporarily absorb at least a part of the kinetic energy of the ram are provided. These energy-absorbing means can comprise at least one spring element.
  • the advantage of dispersing the transfer is that a considerably smaller tensile stress wave is produced in the tubular pile. Because of this, a lower wall thickness of the tubular pile will suffice, which has a cost-saving effect and promotes easier handling.
  • a second advantage is that the vibration nuisance for the environment is reduced, which means that, amongst other things, the range of application of the method can be extended further. Due to the lower load of the tubular pile, it is also possible to apply a falling height which exceeds the current maximum of 2.5 m. As a result of this, it is possible to drive piles into harder ground or to use heavier piles or a lighter installation. Finally, the lower load of the tubular pile means that it is possible to use plastic tubular piles.
  • the spring element is fastened to the bottom of the ram, so that it can move simultaneously with the ram.
  • this embodiment is found to be advantageous compared with another conceivable embodiment, in which the spring element is on the bottom of the tube.
  • the first problem is connected with the replacement of a worn spring element. If, however, the spring element is made virtually maintenance-free, through the use of a strong, wear-resistant plastic, such as, for example, nylon, this spring element need never or hardly ever be replaced.
  • a second disadvantage is found in the fastening of the spring to the ram, since the ram undergoes great accelerations during the collision, and the fastening is then placed under great strain.
  • the spring element can be made more compact, since no separate bearing structure is needed.
  • Another advantage is that the kinetic energy of the spring element during falling contributes to the pile driving energy transferred.
  • the impact face at the bottom of the tubular pile is preferably made flat, and the diameter of the ram is adapted to the inside diameter of the tubular pile, for example with a play of 15 to 25 mm.
  • a spring element is disposed between the foot of the tubular pile and the wall of the tubular pile. This ensures that the kinetic energy of the ram is transferred in the first instance directly to the bottom near the tubular pile, and the tubular pile is subsequently pulled along by the spring.
  • a flange is provided at the bottom of the ram, in which flange a plastic plug is provided, projecting downwards past the flange.
  • each spring element can comprise, for example, a linear or degressively or progressively working tension or compression spring, and a spring which works degressively in one part of its range and progressively in another part thereof can also be used.
  • the spring element can also be disposed under pretension, so that when the ram is going down, a certain force is exerted directly on the impact face when the spring element makes contact with the impact face. Without pre-tensioning, this force is built up from the value zero as the length of the spring element changes, while energy is stored in the spring element, which energy is not used for driving the tubular pile into the ground.
  • a limit can also be provided to limit the length change of the spring element, so that when it goes down, after the limit is reached, the remaining kinetic energy of the ram is transferred to the tubular pile without further storage. Instead of this, the latter effect can also be reached approximately if a spring element which has very greatly increasing spring rigidity at a predetermined length change is used.
  • the spring element can have a damping effect, for example for limiting the springing back of the ram.
  • the progression of the energy transfer from the ram to the tubular pile can be adapted to the pile driving situation.
  • ram 2 falls in tubular pile 1 onto an impact face 3 lying on top of a plug 4, in which case the ram 2 transfers its kinetic energy in pulse form to the tubular pile 1, as a result of which the latter is driven into the ground 5.
  • the ram 2 is then raised by means of the hoisting wire 6.
  • the ram 9 falls in the tubular pile 8 onto the impact face 10 of plug 11.
  • the spring element 12 is fastened at the bottom to the ram 9 and when the ram 9 comes down onto the impact face 10 temporarily absorbs a part of the falling energy of the ram 9. This produces a dispersed transfer of the kinetic energy from the ram 9 to the ground 13 near the tubular pile 8.
  • Fig. 3 shows an embodiment according to claim 7, in which a ram 25 falls onto an impact face 24 in the tubular pile 23.
  • This impact face 24 is connected by means of a tension spring 26 to the wall of the tubular pile 23.
  • the tubular pile 23 is shut off at the underside.
  • Fig. 4 shows another embodiment according to claim 7, in which a ram 29 falls in the tubular pile 28 onto an impact face 30, forming part of the foot 31.
  • This foot 31 is connected by means of a tension spring 32 to the tubular pile 28.
  • Fig. 5 shows an embodiment according to claim 14.
  • ram 34 falls in the tubular pile 33 onto impact face 37.
  • a plastic plug 36 is fitted on the underside of the ram 34 in an annular flange 35, while the plug projects beyond the flange 35.
  • the plug forms a progressive spring, due to the fact that when it is compressed it expands laterally until the flange prevents it, and length change is all that is now possible.
  • Fig. 6 shows an embodiment according to claim 15, in which a ram falls in the tubular pile 39 onto impact face 42.
  • a plastic element 41 Fixed at the bottom of the ram 40 is a plastic element 41, in the form of a solid semi-spherical element. This element 41 has a progressive spring action, through the fact that, viewed in the direction of fall, its cross-section narrows considerably.

Landscapes

  • Engineering & Computer Science (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)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Piles And Underground Anchors (AREA)
EP19920202179 1991-07-24 1992-07-15 Verfahren und Vorrichtung zum Eintreiben von Pfählen Expired - Lifetime EP0525865B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9101294A NL9101294A (nl) 1991-07-24 1991-07-24 Werkwijze en inrichting voor het heien van buispalen.
NL9101294 1991-07-24

Publications (2)

Publication Number Publication Date
EP0525865A1 true EP0525865A1 (de) 1993-02-03
EP0525865B1 EP0525865B1 (de) 1995-10-18

Family

ID=19859554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920202179 Expired - Lifetime EP0525865B1 (de) 1991-07-24 1992-07-15 Verfahren und Vorrichtung zum Eintreiben von Pfählen

Country Status (3)

Country Link
EP (1) EP0525865B1 (de)
DE (1) DE69205515T2 (de)
NL (1) NL9101294A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6626248B1 (en) 1999-05-05 2003-09-30 Smith International, Inc. Assembly and method for jarring a drilling drive pipe into undersea formation
US6715962B2 (en) 2000-01-07 2004-04-06 Smith International, Inc. Assembly and floatation method for drilling drivepipe
NL1021995C2 (nl) * 2002-11-27 2004-05-28 Waal Technology & Consultancy Hei-inrichting in het bijzonder geschikt voor heien bij een beperkte beschikbare hoogte.
WO2015178765A1 (en) 2014-05-22 2015-11-26 Ihc Holland Ie B.V. Tubular foundation
BE1024718B1 (nl) * 2016-11-07 2018-06-08 Chiaverotti Bvba Werkwijze voor het vormen van een gewapende paal en hulpstuk voor gebruik daarin

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107747311A (zh) * 2017-11-22 2018-03-02 魏超军 一种建筑施工用材料保护栏打桩设备

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2157292A5 (de) * 1971-10-22 1973-06-01 Mannesmann Ag
GB1474379A (en) * 1974-09-25 1977-05-25 Laing & Son Ltd John Pile driving apparatus
DE2748668A1 (de) * 1976-11-02 1978-05-18 Hollandsche Betongroep Nv Pfahleintreibvorrichtung
EP0034559A1 (de) * 1980-02-13 1981-08-26 Gaspar Coelus Verfahren und Vorrichtung zum Hineintreiben oder Herausziehen von Elementen, wie z.B. Pfählen
EP0038311A2 (de) * 1980-04-10 1981-10-21 Göteborgs Betongpalar Ab Pfahleintreibvorrichtungen
GB2157751A (en) * 1984-03-30 1985-10-30 Paul Kiss Driven piling system
EP0392311B1 (de) * 1989-04-11 1994-08-10 Per Aarsleff A/S Verfahren zum Eintreiben von Pfählen und Rammkopf zum Festklemmen einer Rammvorrichtung an einem Pfahl

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2157292A5 (de) * 1971-10-22 1973-06-01 Mannesmann Ag
GB1474379A (en) * 1974-09-25 1977-05-25 Laing & Son Ltd John Pile driving apparatus
DE2748668A1 (de) * 1976-11-02 1978-05-18 Hollandsche Betongroep Nv Pfahleintreibvorrichtung
EP0034559A1 (de) * 1980-02-13 1981-08-26 Gaspar Coelus Verfahren und Vorrichtung zum Hineintreiben oder Herausziehen von Elementen, wie z.B. Pfählen
EP0038311A2 (de) * 1980-04-10 1981-10-21 Göteborgs Betongpalar Ab Pfahleintreibvorrichtungen
GB2157751A (en) * 1984-03-30 1985-10-30 Paul Kiss Driven piling system
EP0392311B1 (de) * 1989-04-11 1994-08-10 Per Aarsleff A/S Verfahren zum Eintreiben von Pfählen und Rammkopf zum Festklemmen einer Rammvorrichtung an einem Pfahl

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PT/CIVIELE TECHNIEK vol. 45, no. 4, April 1990, RIJSWIJX pages 28 - 31 VAN KOTEN 'spanningsgolven in heipalen kort maar krachtig weergegeven' *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6626248B1 (en) 1999-05-05 2003-09-30 Smith International, Inc. Assembly and method for jarring a drilling drive pipe into undersea formation
US6715962B2 (en) 2000-01-07 2004-04-06 Smith International, Inc. Assembly and floatation method for drilling drivepipe
NL1021995C2 (nl) * 2002-11-27 2004-05-28 Waal Technology & Consultancy Hei-inrichting in het bijzonder geschikt voor heien bij een beperkte beschikbare hoogte.
WO2015178765A1 (en) 2014-05-22 2015-11-26 Ihc Holland Ie B.V. Tubular foundation
BE1024718B1 (nl) * 2016-11-07 2018-06-08 Chiaverotti Bvba Werkwijze voor het vormen van een gewapende paal en hulpstuk voor gebruik daarin

Also Published As

Publication number Publication date
EP0525865B1 (de) 1995-10-18
NL9101294A (nl) 1993-02-16
DE69205515D1 (de) 1995-11-23
DE69205515T2 (de) 1996-07-18

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