EP0033305A1 - Dispositif d'ancrage dans le sol - Google Patents

Dispositif d'ancrage dans le sol Download PDF

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Publication number
EP0033305A1
EP0033305A1 EP81850010A EP81850010A EP0033305A1 EP 0033305 A1 EP0033305 A1 EP 0033305A1 EP 81850010 A EP81850010 A EP 81850010A EP 81850010 A EP81850010 A EP 81850010A EP 0033305 A1 EP0033305 A1 EP 0033305A1
Authority
EP
European Patent Office
Prior art keywords
helix
plate
anchor device
ground anchor
stay
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
EP81850010A
Other languages
German (de)
English (en)
Other versions
EP0033305B1 (fr
Inventor
Kjell Nilsson
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.)
ROTEN SYSTEM AB
Original Assignee
Roten System AB
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 Roten System AB filed Critical Roten System AB
Priority to AT81850010T priority Critical patent/ATE9918T1/de
Publication of EP0033305A1 publication Critical patent/EP0033305A1/fr
Application granted granted Critical
Publication of EP0033305B1 publication Critical patent/EP0033305B1/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
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/801—Ground anchors driven by screwing
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E02D2200/1671—Shapes helical or spiral

Definitions

  • the present invention refers to ground anchoring devices, which are to be screwed into the soil.
  • the part of the device extending above a ground plate can be differently shaped, suited to a variety of uses.
  • the important part of the invention pertains to the helical member retaining the device in position.
  • a general desire is that the screwing into the soil should occur with a small input of power, but the ground engaging portion must possess sufficient rigidly to withstand the lateral forces, which may be applied to the portion of the device projecting above ground.
  • a device is characterized in that the helical member is formed as an open helix, and that at least one stay is attched to the plate in a position to support said helix.
  • the helix may be attached directly to the plate and at least two stay rods, preferably located diametrically opposite to each other are attached to the plate, within the helix, extending downwardly across at least two windings thereof and attached thereto.
  • the helix,as well as the stay rods may then made from profile bars having a substantially semicircular cross-section, or consist of a flat bar being wound into a helix, or alternatively a tube being cut along a helical line, and then expanded longitudinally.
  • the stay may alternatively be formed as a tubular member to the edge portion of which, remote from the plate,the helix projects.
  • the stay tube is then preferably adjacent to the plate provided with at least one opening for forcing out soil.
  • Figure 1 shows a fence post 10 having a screw member 11 according to a first embodiment of the invention, and connected to the post stanchionl2 by means of a plate 13, which, in use, will rest upon the ground.
  • the plate is preferably circular and has a slightly vaulted form.
  • the stanchion 12 is preferably formed from a square-section pipe, and is at suitable distances above the ground provided with brackets 14 to carry fence wire or the like.
  • the bracket is shown on a larger scale in Figure 3.
  • the upper end of the pipe is closed by a removable stopper 15, the shape of which is better shown in Figure 2.
  • the stopper 15 may be made of plastic, and has two upwardly directed ears 17. Each of those is at one of its vertical edges provided with a slot 18.
  • the slots are directed in opposite directions, so it is possible to fit a fence wire between the ears, and then straighten it, so it will be jammed into the slots 18. It will thus not be necessary to fix the wire to the post.
  • brackets 14 The shape of brackets 14 is better shown in Figure 3.
  • each bracket there are two notches 19 suited to receive barbed wire, and two .slots 20 suited to receive rope or wire for temporary fencing purposes.
  • the slots 19 and 20 are, to each side of the post member 12, turned in opposite direction, so it is possible to stretch a wire over one bracket, and below an adjacent bracket, and so on while simultaneously changing from inside the posts to outside thereof. In such a manner a satisfactory retension of the wire is obtained to a row of fence posts without any tying or other manner of locking.
  • the helical member is here formed as an open helix, i.e. it has no core, it is just a bar wound around an imaginary, cylindrical, core.
  • the helix is formed by a bar 22 having about semi--circular cross-section, which is attached directly to plate 13.
  • the open helix will offer a low reistance only,during the screwing into the soil , but it will have a low capacity to withstand forces acting sidewardly upon the post member.
  • two stays 23 are attached to plate 13, within the open helix and extending downwards over a few windings of the helix, to which they are attached.
  • the stays 23 are also preferably manufactured from a bar having a semi-circular cross-section.
  • Two stays are preferably located diametrically opposite each other, within the helix. Due to heir shape they will only add insignificantly to the resistance during the screwing down operation, but they will brace the helix in a very satisfactory manner.
  • Figure 5 shows a modified embodiment of a ground anchor device, which here includes a short length of tubing 25 provided with a suitable number of locking screws 26.
  • the short tube may be used for receiving a pole carrying for instance a drying rack, or a garden umbrella, or an outdoor Christmas tree.
  • the helical member is formed in a slightly different manner from the previous one.
  • a tube 27 is attached to the plate 13 and the helix 28 issues from the edge of the tube remote from the plate.
  • the tube 27 is the stay which takes care of possible lateral forces acting upon the pole. When the helix works its way downwards soil will be forced up into the tube, and this is therefore provided with at least one opening 29, just below plate 13, where excess soil may be squeezed out.
  • the helix 28 may, as with the embodiment according to Figure 1, consist of a flat bar havingabout semi-circular cross-section, but it can also be formed directly from the tube.
  • tubes 25 and 27 may be integral and have circular cross-section.
  • the combined tube is passed through a hole in the plate and welded thereto.
  • the lower end of tube 27 can be cut along a helical line,and the helix 28 is there formed by expanding the cut tube part longitudinally.
  • Figue 6 shows a further, modified embodiment.
  • the portion above the plate is here formed as an eye bolt 30, which may be used for various staying purposes, and the helical member 31 is formed by a flat bar being wound along an helical path, and welded to the lower face of the plate 13.
  • Within the helix there are two stays 23, which are welded to the plate and to some of the adjacent windings of the helix.
  • the stays may, as with the embodiment according to Figure 1,advantageously be formed from pieces of bars having a semi-circular cross-section.
  • All components, i.e. posts and other upwardly directed members, the plate and the helical member are made of steel and welded together, and may be galvanized or anti-corrosion treated in any suitable manner.
  • the helical members may be modified in many ways, and as is evident from the drawings, there are many fields of use for devices according to the invention. It is for instance possible to mount arcuate transoms between parallel rows of posts of the type shown in Figure 1 or Figure 5, to carry tarpaulins or the like to temporarily provide shelters for goods to be stored out of doors.

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)
  • Fencing (AREA)
EP81850010A 1980-01-23 1981-01-16 Dispositif d'ancrage dans le sol Expired EP0033305B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81850010T ATE9918T1 (de) 1980-01-23 1981-01-16 Vorrichtung zur verankerung im erdreich.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8000532 1980-01-23
SE8000532A SE8000532L (sv) 1980-01-23 1980-01-23 I marken forankringsbar standare

Publications (2)

Publication Number Publication Date
EP0033305A1 true EP0033305A1 (fr) 1981-08-05
EP0033305B1 EP0033305B1 (fr) 1984-10-17

Family

ID=20340048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81850010A Expired EP0033305B1 (fr) 1980-01-23 1981-01-16 Dispositif d'ancrage dans le sol

Country Status (5)

Country Link
EP (1) EP0033305B1 (fr)
AT (1) ATE9918T1 (fr)
DE (1) DE3166653D1 (fr)
SE (1) SE8000532L (fr)
WO (1) WO1981002177A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424339A1 (de) * 1994-07-11 1996-01-18 Arthur Keck Erdanker
GB2299609A (en) * 1995-03-30 1996-10-09 Donald John Smith Anti-theft device
EP0947420A1 (fr) * 1998-04-03 1999-10-06 Jean-François Magreau Ancre et système d'ancrage non destructifs pour fond marin

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2269832A (en) * 1992-08-06 1994-02-23 Maurice Geoffrey Arden Removable ground anchorage
JP6302734B2 (ja) * 2014-04-23 2018-03-28 新日鉄住金エンジニアリング株式会社 杭の施工治具及び杭の施工方法
CN114045862B (zh) * 2021-11-15 2023-04-07 内蒙古自治区林业科学研究院 一种适用于沙质土壤地基的基座

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR413247A (fr) * 1909-06-23 1910-08-03 Gustav Behrens Ancre terrestre hélicoÏdale

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE227403C (fr) *
DE163571C (fr) *
FR708974A (fr) * 1931-01-08 1931-08-01 Piquet pour clôtures
FR867153A (fr) * 1940-06-05 1941-10-03 Nouveau dispositif d'ancrage dans le sol
US2447444A (en) * 1945-06-19 1948-08-17 Philip M Waite Ground stake
GB798426A (en) * 1956-03-22 1958-07-23 Kenneth Douglas Montrose Improvements in and relating to mooring and tethering devices
FR2086958A5 (fr) * 1970-04-14 1971-12-31 Mary Dominique

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR413247A (fr) * 1909-06-23 1910-08-03 Gustav Behrens Ancre terrestre hélicoÏdale

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424339A1 (de) * 1994-07-11 1996-01-18 Arthur Keck Erdanker
DE4424339C2 (de) * 1994-07-11 1999-02-11 Arthur Keck Erdanker
GB2299609A (en) * 1995-03-30 1996-10-09 Donald John Smith Anti-theft device
EP0947420A1 (fr) * 1998-04-03 1999-10-06 Jean-François Magreau Ancre et système d'ancrage non destructifs pour fond marin
FR2776982A1 (fr) * 1998-04-03 1999-10-08 Jean Francois Magreau Ancre et systeme d'ancrage non destructifs pour fond marin comportant un herbier vivant de plantes aquatiques

Also Published As

Publication number Publication date
DE3166653D1 (en) 1984-11-22
SE8000532L (sv) 1981-07-24
EP0033305B1 (fr) 1984-10-17
ATE9918T1 (de) 1984-11-15
WO1981002177A1 (fr) 1981-08-06

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