EP0715027A1 - Méthode pour former une paroi de palplanches par enforcement - Google Patents

Méthode pour former une paroi de palplanches par enforcement Download PDF

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Publication number
EP0715027A1
EP0715027A1 EP95201649A EP95201649A EP0715027A1 EP 0715027 A1 EP0715027 A1 EP 0715027A1 EP 95201649 A EP95201649 A EP 95201649A EP 95201649 A EP95201649 A EP 95201649A EP 0715027 A1 EP0715027 A1 EP 0715027A1
Authority
EP
European Patent Office
Prior art keywords
sheet pile
lock space
detection
pin
detection pin
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
EP95201649A
Other languages
German (de)
English (en)
Other versions
EP0715027B1 (fr
Inventor
Tijmen Van Halteren
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0715027A1 publication Critical patent/EP0715027A1/fr
Application granted granted Critical
Publication of EP0715027B1 publication Critical patent/EP0715027B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing

Definitions

  • the invention relates to a method for driving a sheet pile wall by successively driving sheet piles, of which the profiled longitudinal edges are slidingly engaging one another, into the ground, wherein sheet piles are driven, which are provided below, at the free longitudinal edge, with a mechanical detection means within a lock space confined by said longitudinal edge, said detection means being connected to a line extending upwardly along the outer side of the lock space.
  • a drawback of this procedure is, that the line portion functioning as a detection means may be damaged or even broken during driving of the respective sheet pile due to foreign matter entering into the open lower end of the lock space during driving. As a consequence of this no properly working detection means will be present when a next sheet pile is driven.
  • this aim is achieved in that a pin member is used as a detection means, said pin member extending axially from below into the respective lock space and is received therein completely within the inner circumscription of said lock space, in which it is secured by a break-connection, the lower end of the pin projecting downwardly beyond the lower end of the respective sheet pile and being connected to the upwardly extending line.
  • the detection means used with the method of the present invention is premounted with each sheet pile to be driven in the lower end portion of the lock space confined by the free longitudinal edge of such sheet pile.
  • the pin shaped detection means used with the method according to the invention has a better resistance to being damaged during the driving of the respective sheet pile.
  • the method according to the invention has the advantage, that no portion of the detection pin is projecting from the lock space via the lock slit outwardly, due to which a more reliable detection is obtained.
  • NL-A-9102123 discloses a method of the type above referred to, with which the detection means consists of a pin, which is introduced through a hole in a side wall of the lock space.
  • the portion of the pin that extends into the lock space is thickened and bears on the inner side of said lock space-side wall, whereas the thinner pin portion, that is partly located in the lock space-side wall and partly extends therefrom outwardly, has its free end fastened to the upwardly extended detection line.
  • the thicker pin portion is intended to be sheared off by a next sheet pile that properly runs in the lock, so as to allow the thinner pin portion to escape laterally out of the hole in the lock space-side wall and to be pulled upwardly.
  • a precompressed helical spring is provided around said pin portion.
  • the soil around the lower end of the sheet pile may have such a degree of compactness, that such spring may be prevented from urging the broken-off pin portion to laterally escape. Consequently, the detection so obtained cannot be considered reliable.
  • a detection pin which has a thickened head at its lower end, said head engaging the lower edge of the sheet pile around said lock space.
  • the break-connection is formed by one or more tack welds.
  • the invention also relates to a sheet pile for use with the above method.
  • the sheet piles 1 and 2 have their longitudinal edges 1a and 2a respectively in mutual engagement in a well-known manner.
  • a "lock space" 3 In the lower end of this lock space, which has a substantially triangular cross-section, a pin 4 is introduced. In the example shown this pin has a cylindrical shaft corresponding with the inscribed cylinder of the lock space 3.
  • the pin 4 has an enlarged head 4a, which bears on the lower edge portion of the respective sheet pile surrounding the lock space.
  • the pin 4 which may e.g. be placed “on the spot", is locked against falling out by means of one or more tack welds 5 and is attached to a detection line, e.g. a steel wire cable, which is anchored to (in) the head 4a and extends upwardly along the outer side of the lock space wall 1b (vide fig. 2).
  • a detection line e.g. a steel wire cable
  • Fig. 2A illustrates the case, in which the sheet pile 2 is "properly engaged” and will - while driving is continued - get with the lower end of its longitudinal edge 2a in engagement with the upper end of the detection pin 4, as a result of which the latter will finally expelled from the lower end of the lock space 3 of the pile sheet 1, while the tab weld(s) 5 are broken off.
  • This situation can be observed aboveground through the detection line 6 becoming slack.
  • Fig. 2B illustrates the case, in which the sheet pile 2 has partially "run out of the lock” and will - while continuing driving - remain just out of engagement with the detection pin 4, as a result of which the latter will remain into the lower end of the lock space 3 of the last driven sheet pile 1.
  • the difference in length may be compensated by a filling rod of a corresponding length which is dropped into the lock space of the driven sheet pile.
  • the detection line 6 is anchored in the centre of the lower end face of the detection pin 4.
  • the detection line could be anchored diametrically through the enlarged head 4a of the detection pin 4.
  • connection between the detection line 6 and the detection pin 4 is shown in fig. 3.
  • at least the lower part of the detection line 6 is formed by a linked chain 7, the last link 7a of which engages the cylindrical shaft of the detection pin 4 and will become captured betweed the lower edge of the sheet pile and the enlarged head 4a when the pin 4 is placed into the lower end of the lock space 3.
  • the connection of fig. 3 is able to withstand the forces that are applied to it when driving the respective sheet pile whereas upon expelling of the detection pin 4 the detection line will easily get released therefrom to be pulled upwardly.
  • a detection pin in the form of a metal sleeve 4' which is clamped on the distal end of a steel wire cable 6' functioning as a detection line.
  • This sleeve may be readily clapped onto the cable 6' by means of a simple clamping tool and is secured in the lock space 3 by means of one or more tack welds 5, which are provided via the lock space slit 3a.

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)
  • Bulkheads Adapted To Foundation Construction (AREA)
EP19950201649 1994-12-02 1995-06-16 Méthode pour former une paroi de palplanches par enfoncement Expired - Lifetime EP0715027B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9402032 1994-12-02
NL9402032A NL193027C (nl) 1994-12-02 1994-12-02 Werkwijze voor het slaan van een damwand.

Publications (2)

Publication Number Publication Date
EP0715027A1 true EP0715027A1 (fr) 1996-06-05
EP0715027B1 EP0715027B1 (fr) 1997-09-03

Family

ID=19864966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950201649 Expired - Lifetime EP0715027B1 (fr) 1994-12-02 1995-06-16 Méthode pour former une paroi de palplanches par enfoncement

Country Status (3)

Country Link
EP (1) EP0715027B1 (fr)
DE (1) DE69500654T2 (fr)
NL (1) NL193027C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1018647C2 (nl) * 2001-07-27 2003-01-28 Hoffmann Bodemtech Slotcontrole-inrichting.
NL1030999C2 (nl) * 2006-01-25 2007-07-26 Johannes Gerardus Van Coterlet Werkwijze voor het vervaardigen van een damwand, alsmede damwandplank daarvoor.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7908262A (nl) * 1979-11-12 1981-06-01 Hollandsche Betongroep Nv Werkwijze voor het in de grond heien van damplanken en het afdichten van de damwand alsmede inrichting voor het toepassen van de werkwijze.
NL9102123A (nl) 1991-12-18 1993-07-16 Aannemingsbedrijf Zeiderveld A Inrichting voor het controleren van de stand van damwandprofielen ten opzichte van elkaar.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7908262A (nl) * 1979-11-12 1981-06-01 Hollandsche Betongroep Nv Werkwijze voor het in de grond heien van damplanken en het afdichten van de damwand alsmede inrichting voor het toepassen van de werkwijze.
NL9102123A (nl) 1991-12-18 1993-07-16 Aannemingsbedrijf Zeiderveld A Inrichting voor het controleren van de stand van damwandprofielen ten opzichte van elkaar.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1018647C2 (nl) * 2001-07-27 2003-01-28 Hoffmann Bodemtech Slotcontrole-inrichting.
EP1279772A1 (fr) * 2001-07-27 2003-01-29 Hoffmann Bodemtechnieken B.V. Dispositif de surveillance d' un raccordement
NL1030999C2 (nl) * 2006-01-25 2007-07-26 Johannes Gerardus Van Coterlet Werkwijze voor het vervaardigen van een damwand, alsmede damwandplank daarvoor.
US8235630B2 (en) 2006-01-25 2012-08-07 Johannes Gerardus Van De Coterlet Method for producing a sheet pile wall and sheet pile plank therefor

Also Published As

Publication number Publication date
NL193027C (nl) 1998-08-04
EP0715027B1 (fr) 1997-09-03
DE69500654T2 (de) 1998-01-22
DE69500654D1 (de) 1997-10-09
NL193027B (nl) 1998-04-01
NL9402032A (nl) 1996-07-01

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