EP3913143A1 - Antriebspunkt und anordnung - Google Patents

Antriebspunkt und anordnung Download PDF

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Publication number
EP3913143A1
EP3913143A1 EP20175147.6A EP20175147A EP3913143A1 EP 3913143 A1 EP3913143 A1 EP 3913143A1 EP 20175147 A EP20175147 A EP 20175147A EP 3913143 A1 EP3913143 A1 EP 3913143A1
Authority
EP
European Patent Office
Prior art keywords
drive point
ribs
centre axis
gap
slant
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
EP20175147.6A
Other languages
English (en)
French (fr)
Other versions
EP3913143B1 (de
Inventor
Anssi Hyvärinen
Antti PERÄLÄ
Teemu YLI-KOVERO
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.)
Rautaruukki Oyj
Original Assignee
Rautaruukki Oyj
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 Rautaruukki Oyj filed Critical Rautaruukki Oyj
Priority to PL20175147.6T priority Critical patent/PL3913143T3/pl
Priority to DK20175147.6T priority patent/DK3913143T3/da
Priority to EP20175147.6A priority patent/EP3913143B1/de
Priority to FIEP20175147.6T priority patent/FI3913143T3/fi
Publication of EP3913143A1 publication Critical patent/EP3913143A1/de
Application granted granted Critical
Publication of EP3913143B1 publication Critical patent/EP3913143B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02D5/72—Pile shoes
    • 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
    • E02D5/24—Prefabricated piles
    • E02D5/28—Prefabricated piles made of steel or other metals
    • E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
    • 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
    • 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
    • E02D5/56—Screw piles
    • 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
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/801—Ground anchors driven by screwing

Definitions

  • the invention relates to a drive point for a tubular driven pile.
  • the invention further relates to an arrangement comprising a drive point.
  • Tubular driven pile having a pile core, through which concrete can be introduced into the driven pile are used in the construction industry for making pile foundations.
  • a drive point can be fitted to the first driven pile, to the distal end thereof.
  • the outside diameter of the drive point is typically greater than the outside diameter of the driven pile. In that way an annular space may be produced during the driving-in operation, and that space can be filled with the injection material or concrete by a pressure grouting operation.
  • a problem with known drive points is that they may slip away from the distal end of the pile, or at least turn away from the ideal position in said distal end. This may cause uneven injection of the injection material or concrete around the driven pile and thus corrosion protection of the driven pile may be weak and the bearing capacity not as planned.
  • a drive point for a tubular driven pile comprising a series of ribs, wherein the series of ribs comprises
  • an arrangement comprising the drive point mentioned above, and a tubular driven pile, wherein the distal end of the tubular driven pile is arranged on the slant surface, and wherein the series of ribs is dimensioned such that said distal end is attached by wedging on the slant surface.
  • the arrangement comprises the outer ribs, and the outer rib is connected to a shell of the drive point at its entire height.
  • the arrangement comprises the inner ribs, and the inner rib comprises an inner surface arranged at a distance from the centre axis of the drive point.
  • the arrangement comprises the inner ribs, and at least two of the inner ribs are arranged to unite in the centre axis of the drive point.
  • all the inner ribs are arranged to unite in the centre axis of the drive point.
  • the arrangement comprises both the outer ribs and the inner ribs, and wherein a gap is arranged for receiving a distal end of the tubular driven pile, the gap being construed between said two series of ribs, the gap being defined by said inner faces and said outer faces, and width between the outer and the inner faces decreasing from an upper end of the gap to a lower end of said gap.
  • the outer ribs are arranged to be aligned with the inner ribs.
  • the outer ribs are arranged an alternate way with the inner ribs.
  • the outer face arranged in the inner rib is arranged to slant in respect to the centre axis of the drive point.
  • the inner face arranged in the outer rib is arranged to slant in respect to the centre axis of the drive point.
  • both sides of the gap are arranged to slant in respect to the centre axis of the drive point.
  • an angle A of slant is selected in range of 0,1° - 60°, preferably 2° - 20°.
  • the angle A is constant at least essentially all the length of the gap 4.
  • the distal end is arranged in the gap such that there is a passage between the distal end of the tubular driven pile and the lower end of the gap connecting the inside of said pile to outside thereof.
  • Figure 1 is a schematic perspective view of a drive point
  • Figure 2 is a schematic side view of a drive point and an arrangement.
  • the drive point 100 comprises two series of ribs, namely a series of outer ribs and a series of inner ribs.
  • the series of outer ribs comprises outer ribs 2 that extend from an outer circumference 14 of the drive point towards a centre axis C of the drive point.
  • the series of inner ribs comprises inner ribs 3 that extend from direction of the centre axis C towards the outer circumference 14 of the drive point.
  • a space 8 between two neighbouring outer ribs 2, and also a space between two neighbouring inner ribs 3, is larger than thicknesses of said ribs.
  • the thickness of the rib 2, 3 may be constant, or decreasing towards the centre C of the drive point, or increasing towards the centre C of the drive point.
  • the outer rib 2 is provided with an inner face 5 that is faced towards the centre axis C of the drive point, whereas the inner rib 3 is provided with an outer face 6 faced towards outer circumference 14 of the drive point.
  • a gap 4 is construed between said the series of ribs for receiving a distal end 10 of the tubular driven pile 1, as shown in Figure 2 .
  • the gap 4 is defined by the inner faces 5 of the outer ribs and the outer faces 6 of the inner ribs 3.
  • the profile of the gap 4 is selected such that its width W between the outer and the inner faces 5, 6 decreases from an upper end 11 of the gap to a lower end 12 of said gap 4.
  • the drive point 100 may be manufactured from a metal material, such as steel. Manufacturing method may be e.g. casting, machining, welding, or combination thereof.
  • the drive point 100 is dimensioned according to the dimensions of the pile 1.
  • the diameter of the drive point 100 is larger than that of the pile.
  • the diameter of the drive point 100 is 50 mm - 150 mm larger than the diameter of the pile.
  • the diameter of the drive point 100 is 100 mm larger than the diameter of the pile.
  • the diameter of the pile 1 is typically in the order of magnitude of 75 mm - 500 mm, but may also range up to, for example, 2 m or 3 m.
  • the wall thickness of the pile is typically in the range of 5 mm - 15 mm, but may, for example, range up to 25 mm.
  • Figure 4 is a schematic side view of a detail of the drive point shown in Figure 2 .
  • the width W at the upper end 11 of the gap is in range of 1 mm - 100 mm, such as 3 mm - 30 mm, preferably 5 mm - 18 mm.
  • the height of the gap 4 in range of 10 mm - 1000 mm, such as 20 mm - 300 mm, preferably 30 mm - 100 mm.
  • the outer and the inner ribs have at least substantially equal height. In another embodiment, the outer ribs have different height (lower or higher) compared to the inner ribs.
  • the outer rib 2 is connected to a shell 7 of the drive point at its entire height, or at least the height thereof between the upper end 11 to the lower end 12 of the gap.
  • At least two of the inner ribs 3 are arranged to unite in the centre axis C of the drive point. In the embodiment shown in Figures 1 and 2 , all the inner ribs 3 are arranged to unite in the centre axis C of the drive point.
  • number of the outer ribs 2 is same as the number of the inner ribs 3.
  • the number of the outer ribs (as well as of the inner ribs) is six, and in Figure 3 said number is nine. It is to be noted that the number may selected in range of two to ten, or even more than ten. However, the stability of the attachment may be improved if there are at least three ribs in at least one of the outer and inner series of ribs.
  • the width of the rib at the upper end 11 is in range of 5 mm - 30 mm.
  • the outer ribs 2 are arranged to be aligned with the inner ribs 3. In another embodiment (not shown), the outer ribs 2 are arranged an alternate way with the inner ribs 3.
  • the width W of the gap 4 decreases from the upper end 11 of the gap to the lower end 12 of said gap 4.
  • this decreasing of the width is realized by arranging the outer face 6 of the inner rib 3 to slant in respect to the centre axis C of the drive point.
  • the inner face 5 of the outer rib may be parallel or slant in respect to the centre axis C.
  • the inner face 5 of the outer rib 2 is arranged to slant in respect to the centre axis C of the drive point.
  • the outer face 6 of the inner rib may be parallel or slant in respect to the centre axis C.
  • both sides of the gap 4 are arranged to slant in respect to the centre axis C of the drive point.
  • the angle A is equal on both sides of the gap 4.
  • the angle A of the inner face 5 differs from the angle A of the outer face 6.
  • the slant mentioned above means an angle A (shown in Figure 4 ) of the face 5, 6 in respect to the centre axis C that is selected in range of 0,1° - 60°, preferably 2° - 20°.
  • the angle A is constant at least essentially all the height (in direction of the centre axis C) of the gap 4. In another embodiment, the angle A may vary in the gap 4.
  • the drive point 100 is a part of an arrangement that further comprises a tubular driven pile 1.
  • An embodiment of the arrangement is shown in Figure 2 .
  • the distal end 10 of the tubular driven pile is arranged in the gap 4.
  • the gap 4 is dimensioned such that the distal end 10 of the pile is attached by wedging in the gap 4.
  • the distal end 10 is attached in the gap 4 such that there is a passage 13, in at least one gap, between the distal end 10 of the tubular driven pile and an inner bottom 16 of the drive point.
  • a route or passage under the distal end 10 of pile that connects the inside of the pile 1 to outside thereof.
  • Figure 3 is a schematic perspective view of another drive point.
  • the inner rib 3 comprises an inner surface 9 arranged at a distance from the centre axis C of the drive point. Thus, there is an empty room 15 in the centre of the drive point 100.
  • Figure 5 is a schematic perspective view of a third drive point.
  • the drive point 100 comprises just the series of inner ribs 3 only, but not the series of the outer ribs 2.
  • This kind of drive point 100 may have a light and simple structure. An example of this embodiment is shown in Figure 5 .
  • the drive point 100 comprises just the series of outer ribs 2 only, but not the series of the inner ribs 3. This embodiment may provide a light and simple structure, too.

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)
  • Piles And Underground Anchors (AREA)
  • Vehicle Body Suspensions (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP20175147.6A 2020-05-18 2020-05-18 Antriebspunkt und anordnung Active EP3913143B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL20175147.6T PL3913143T3 (pl) 2020-05-18 2020-05-18 Urządzenie do wbijania i układ
DK20175147.6T DK3913143T3 (da) 2020-05-18 2020-05-18 Drivpunkt og arrangement
EP20175147.6A EP3913143B1 (de) 2020-05-18 2020-05-18 Antriebspunkt und anordnung
FIEP20175147.6T FI3913143T3 (fi) 2020-05-18 2020-05-18 Lyöntikärki ja järjestely

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20175147.6A EP3913143B1 (de) 2020-05-18 2020-05-18 Antriebspunkt und anordnung

Publications (2)

Publication Number Publication Date
EP3913143A1 true EP3913143A1 (de) 2021-11-24
EP3913143B1 EP3913143B1 (de) 2023-03-15

Family

ID=70740479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20175147.6A Active EP3913143B1 (de) 2020-05-18 2020-05-18 Antriebspunkt und anordnung

Country Status (4)

Country Link
EP (1) EP3913143B1 (de)
DK (1) DK3913143T3 (de)
FI (1) FI3913143T3 (de)
PL (1) PL3913143T3 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008267123A (ja) * 2007-03-26 2008-11-06 Rokuro Unno 先端閉塞杭及び先端閉塞杭構成用掘削ヘッド
WO2013156126A1 (de) * 2012-04-20 2013-10-24 Duktus S.A. Rammspitze für pfahl
CA2934103A1 (en) * 2016-06-27 2017-12-27 Tiroler Rohre GmbH Drive point for a pile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008267123A (ja) * 2007-03-26 2008-11-06 Rokuro Unno 先端閉塞杭及び先端閉塞杭構成用掘削ヘッド
WO2013156126A1 (de) * 2012-04-20 2013-10-24 Duktus S.A. Rammspitze für pfahl
CA2934103A1 (en) * 2016-06-27 2017-12-27 Tiroler Rohre GmbH Drive point for a pile

Also Published As

Publication number Publication date
EP3913143B1 (de) 2023-03-15
PL3913143T3 (pl) 2023-07-17
FI3913143T3 (fi) 2023-06-08
DK3913143T3 (da) 2023-06-12

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