EP0012254A1 - Dispositif d'assemblage des tronçons d'un pieu de battage - Google Patents

Dispositif d'assemblage des tronçons d'un pieu de battage Download PDF

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Publication number
EP0012254A1
EP0012254A1 EP19790104658 EP79104658A EP0012254A1 EP 0012254 A1 EP0012254 A1 EP 0012254A1 EP 19790104658 EP19790104658 EP 19790104658 EP 79104658 A EP79104658 A EP 79104658A EP 0012254 A1 EP0012254 A1 EP 0012254A1
Authority
EP
European Patent Office
Prior art keywords
pile
head piece
connection arrangement
arrangement according
parts
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
EP19790104658
Other languages
German (de)
English (en)
Other versions
EP0012254B1 (fr
Inventor
Rainer Bayer
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.)
Baugesellschaft Nagele & Co
Original Assignee
Baugesellschaft Nagele & Co
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Filing date
Publication date
Application filed by Baugesellschaft Nagele & Co filed Critical Baugesellschaft Nagele & Co
Publication of EP0012254A1 publication Critical patent/EP0012254A1/fr
Application granted granted Critical
Publication of EP0012254B1 publication Critical patent/EP0012254B1/fr
Expired 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
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
    • E02D5/523—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments composed of segments

Definitions

  • the invention relates to a connection arrangement between individual parts of a driven pile, wherein connecting pieces engage in recesses at mutually facing ends of pile parts.
  • the present invention has for its object to provide a connection arrangement with which the disadvantages mentioned can be avoided and which a quick, easy and yet a allows a wall-free connection between successive pile parts, whereby a perfect power transmission of both tensile and compressive forces should be guaranteed.
  • a cap-like head piece made of plastic with at least two indentations provided on opposite edge areas is provided on the end faces of the pile parts and an approximately U-shaped bracket with its closed arch part protrudes into these indentations, whereby the free ends of the bracket penetrate the covering head piece and are embedded in the concrete pile, and that for the connection of the ends of adjacent pile parts a connecting clip with two spaced approximately parallel to each other is provided, which engages in the openings formed by the U-shaped bracket pins.
  • an end-side body formwork is provided by the head pieces, which, due to their length and shape, always take an exact right angle to the pile axis. This completely avoids the sloping end faces of the driven piles, which often lead to difficulties on construction sites.
  • plastic for these head pieces they can be made relatively thin, which is why the head pieces in each formwork can be adapted exactly without sealing, which results in the low weight of the plastic head piece and thus an enormous saving in price.
  • connection can be made very quickly at the construction site, since only the individual pile parts have to be placed on top of each other, whereupon the connection clips are hammered in. Since those parts which are required for the fit of the connection arrangement are not exposed to the impact of the ramming hammer, these parts cannot be damaged at all, so that a perfect connection is always guaranteed.
  • FIG. 1 shows a plan view of a head piece
  • FIG. 2 shows a section along the line I - I in FIG. 1, two ends of pile parts being shown and a connecting clip already being inserted on one side
  • Fig. 4 is an oblique view of a connecting bracket
  • 5 shows a section along the line II - II in Figure 1, wherein a U-shaped bracket is used.
  • 6 is an oblique view of a connection arrangement between two pile parts
  • 7 shows a pile end, shown partially in section, and a pile tip which is inserted into this pile end
  • 8 shows a part of a head piece with another embodiment of the indentation
  • 9 shows an embodiment of the connecting clip
  • FIG. 10 is inserted into an indentation Connecting bracket, the connecting bracket being cut in the horizontal direction; 11 shows a special embodiment of the tubular projections on the head piece; 12 shows a top view of a head piece with an additional compensating frame, and FIG. 13 shows a section along the line III-III in FIG. 12.
  • a cap-like plastic head piece 2 covering the end of the pile parts 1 is placed on the ends of individual pile parts 1.
  • This head piece 2 is equipped with at least two indentations 3 provided on opposite edge regions.
  • the head piece is approximately rectangular, preferably trapezoidal, such indentations 3 being formed in all four corners.
  • a U-shaped bracket 4 with its closed arch part 5 projects into each of these indentations, the free ends 6 of the bracket 4 penetrating the head piece 2 and being embedded in the pile part 1.
  • an approximately U-shaped connecting bracket 7 is provided, which engages with its free ends in the opening formed by the U-shaped bracket 4.
  • Flexible tabs 8 are provided on both sides on the outer boundary of the indentations 3, which reduce the width of the opening of the indentation 3. As will be explained in detail later, these tabs 8 serve as safeguards against retraction of the retaining clips 7.
  • Tubular lugs 9 and 10 are also provided on the head piece 2 and serve to receive the ends 6 of the U-shaped bracket 4 which are aligned parallel to one another.
  • the bracket 4 thus receives excellent support during the manufacture of the pile.
  • the tubular lugs 9 protrude into the indentations 3 and the tubular lugs 10 extend from the rear wall of the head piece 2 towards the pile 1.
  • This long guide is very useful because it always achieves the same fit for driving in the connecting clips 7.
  • the tubular, pile-side lugs 10 can be made conically tapered at their free ends. It is then expedient if at least one slot 30 is provided which extends over part of the length of the lugs 10. This slot 30 is open towards the end of the approach 10.
  • brackets 4 of different thicknesses in one embodiment of head pieces 2, which are then still held correspondingly well.
  • the lugs 9, which protrude into the indentations 3, are dimensioned correspondingly long to the length of the straight sections of the bracket 4 within the indentation 3, the two tubular lugs 9 within the indentations 3 projecting at their mutually facing outer boundaries in the longitudinal direction thereof have extending strip 11. This measure creates a relatively long area on which the side parts of the free ends of the connecting clips can be supported.
  • the head piece 2 is advantageously designed in one piece as a plastic injection molded part and has reinforcing ribs on its side facing the pile part 1, which ribs have not been shown in the drawings for the sake of clarity.
  • the head pieces do not have to absorb any other forces apart from the ramming blows, which represent a pure pressure load, so that the design made of plastic compared to designs made of other materials, e.g. from a cast metal, the great advantage that the head pieces can be made relatively thin-walled.
  • the headpiece can optionally be made slightly trapezoidal.
  • the head piece can be divided into four corner parts along, for example, indicated dividing lines. These corner parts can then be spaced as far apart as required, so that larger pile parts can be equipped with the same head piece.
  • the free spaces are then filled with concrete, whereby the four corner parts can be attached to a suitable formwork or a beam during the concrete casting.
  • holes can be provided on the head piece 2 in the area of its four corners, which are closed by a thin layer before use. This prevents concrete from escaping when used for the one-piece size.
  • FIGS. 12 and 13 Another possibility is shown in FIGS. 12 and 13. It is proposed here to compensate Different sizes of pile parts to provide a compensating frame 31 so that the same head piece 2 can always be used in a certain size range.
  • the compensating frame 31 is only required during the manufacture of the pile 1 and thus centers the head piece 2 in the corresponding larger formwork.
  • This compensation frame 31 can also be made of plastic.
  • this compensating frame 31 is expediently tapered in a wedge shape toward the outside at its edge boundary 32 on the pile side. This ensures a favorable transition in terms of strength between the narrower area of the pile at the head piece and the rest of the pile area.
  • the head piece 2 also has a central, conically tapering centering opening 12. This makes it easy to attach the following pile parts.
  • a double cone 13 made of plastic or a metal is inserted into this centering opening 12 before two ramming piles are joined, as a result of which the piles are centered.
  • this frustoconical centering opening 12 also serves as a clamping surface for receiving conical pins 14 for fastening a pile tip 15.
  • the conical pins 14 on the pile tip 15 are driven into the centering opening 12 in such a way that a clamping effect occurs .
  • the U-shaped bracket 4 is expediently formed from a reinforcing iron. By arranging these brackets 4 or the indentations 3 in the corners of the pile parts, a favorable power transmission is achieved, since the longitudinal reinforcement bars of the ram pile come to rest next to the ends 6 of the brackets 4. Furthermore, the permissible bending stress of a pile is increased in the direction of one of the diagonals. The same effect is achieved if not U-shaped brackets 4, but curved longitudinal reinforcement bars are inserted into the head pieces. However, the problems arise that the longitudinal reinforcement bars, which are often more than 10 meters long, have to be bent after the head pieces have been installed, since they can no longer be attached subsequently. Furthermore, all longitudinal reinforcement bars should have exactly the same length.
  • the connecting clamps 7 are formed from a connecting web 16 which is approximately rectangular in cross-section and from this pin 17 which projects at right angles and which have an approximately U-shaped circumferential contour.
  • the flat sections 18 of these pins 17 face away from each other.
  • the pins 17 are provided with a tapered taper 19, so that an easier insertion into the opening enclosed by the curved part 5 is possible.
  • the pins 17 have a sawtooth-shaped surface 20, the strips 11 provided on the tubular projections 9 engaging in these teeth.
  • the pins 17 are divided into two sections at least by a slot 21 guided in the plane of symmetry thereof. Of course, two slots can also be provided crosswise, so that the ends of the pins are divided into four sections.
  • the connecting web 16 of the connecting clip 7 has on its opposite side edges a sawtooth-shaped groove 23, in which the tabs 8 engage on the indentations 3 as anti-slip protection.
  • the effect of the tabs 8 and the sawtooth-shaped groove 23 can best be seen in FIG. 3.
  • the connecting bracket 7 can be made of metal or a plastic.
  • the connecting clips 7 displace the strips 11, which each snap into the next tooth of the sawtooth-shaped surface 20 of the pins 17.
  • the connecting brackets 7 are then driven in until there is a clamping connection between the bracket 4 and the connecting bracket 7.
  • this is secured in such a way that, on the one hand, the slightly conical pins 17 of the connecting brackets 7 have the correspondingly shaped sawtooth-like surface 20, and on the other hand the head pieces are provided with tabs 8 which, when the connecting brackets 7 are driven into the grooves 23 click into place.
  • a bore 22 can be provided, into which a corresponding bolt is then additionally driven.
  • the pile connection described has the further advantage over other pile connections made of metal that it is many times more resistant to corrosion. Since the ram pile with this connection has two ends of the same design, each pile can be placed on any other. This avoids unnecessary and often time-consuming work on the construction site.
  • the ram piles can be struck exactly to the intended depth and then do not have to be scrapped.
  • the connection of the in-situ concrete to the pile is achieved by removing the plastic head piece from the pile by means of cutting discs. Then either a curved gate steel is inserted into the curves of the bracket 4 or special clamping brackets are hammered into the openings formed by the bracket 4.
  • FIGS. 8 to 10 A further exemplary embodiment of a connecting bracket 7 and the corresponding indentation can be seen from FIGS. 8 to 10.
  • the lateral boundaries 33 of the indentation 3 are equipped with a sawtooth profile 34.
  • the connecting bracket 7 is also equipped in this corresponding area with a sawtooth profile 34.
  • the connecting clip 7 is also equipped with a sawtooth profile 35 which, when driven in with the sawtooth profile 34 the indentation 3 comes into operative connection.
  • the connecting bracket 7 is correspondingly reinforced in its rear area connecting the two pins 17, so that these areas of the connecting bracket 7 can engage with the widely spaced edge boundaries 33 of the indentation 3.
  • the opening 36 remaining between the two pegs 17 serves to receive the stirrups 4 of adjacent pile parts, this opening 36 expediently being adapted to the stirrup cross sections. It is therefore proposed that the rear boundary 37 of this opening 36 be formed by two arcuate sections, which can each abut the bracket accordingly.
  • ram piles have an approximately rectangular, preferably slightly trapezoidal cross-section.
  • the measures according to the invention can of course also be used for driven piles with other cross-sectional shapes.

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  • 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)
  • Piles And Underground Anchors (AREA)
EP19790104658 1978-11-30 1979-11-23 Dispositif d'assemblage des tronçons d'un pieu de battage Expired EP0012254B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT858078A AT357947B (de) 1978-11-30 1978-11-30 Verbindungsanordnung zwischen einzelnen teilen eines rammpfahles
AT8580/78 1978-11-30

Publications (2)

Publication Number Publication Date
EP0012254A1 true EP0012254A1 (fr) 1980-06-25
EP0012254B1 EP0012254B1 (fr) 1982-11-24

Family

ID=3606768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790104658 Expired EP0012254B1 (fr) 1978-11-30 1979-11-23 Dispositif d'assemblage des tronçons d'un pieu de battage

Country Status (3)

Country Link
EP (1) EP0012254B1 (fr)
AT (1) AT357947B (fr)
DE (1) DE2964117D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504174A (en) * 1982-01-11 1985-03-12 Freyssinet International (Stup) Elongated elements of pre-stressed concrete, adapted to be assembled end to end
EP0135716B1 (fr) * 1983-08-04 1986-11-12 Baugesellschaft Nägele & Co. Dispositif de liaison entre les parties séparées d'un pieu batter armé

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102943470B (zh) * 2012-10-30 2014-12-03 中国石油化工股份有限公司 自带连接机构的混凝土桩
CN104314073B (zh) * 2014-09-28 2016-02-03 嘉兴市晋泉管桩有限公司 一种管桩组合套件
CN107059844A (zh) * 2017-03-23 2017-08-18 济南轨道交通集团有限公司 一种快速接桩结构、预制桩及方法
CN109083140B (zh) * 2018-09-07 2023-12-05 袁雪峰 预制混凝土抗拔桩连接结构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1491168A (en) * 1974-09-18 1977-11-09 Vag Och Vattenbyggnads Ab S H Pile joints
DE2625156A1 (de) * 1976-06-04 1977-12-15 Frank Otto Silvander Vorrichtung zum axialen verbinden von gruendungspfaehlen, zugankern o.dgl. aus stahlbeton

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1491168A (en) * 1974-09-18 1977-11-09 Vag Och Vattenbyggnads Ab S H Pile joints
DE2625156A1 (de) * 1976-06-04 1977-12-15 Frank Otto Silvander Vorrichtung zum axialen verbinden von gruendungspfaehlen, zugankern o.dgl. aus stahlbeton

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504174A (en) * 1982-01-11 1985-03-12 Freyssinet International (Stup) Elongated elements of pre-stressed concrete, adapted to be assembled end to end
EP0135716B1 (fr) * 1983-08-04 1986-11-12 Baugesellschaft Nägele & Co. Dispositif de liaison entre les parties séparées d'un pieu batter armé

Also Published As

Publication number Publication date
EP0012254B1 (fr) 1982-11-24
DE2964117D1 (en) 1982-12-30
AT357947B (de) 1980-08-11
ATA858078A (de) 1979-09-15

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