WO2013165295A1 - Ancre et procédé - Google Patents

Ancre et procédé Download PDF

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Publication number
WO2013165295A1
WO2013165295A1 PCT/SE2013/050119 SE2013050119W WO2013165295A1 WO 2013165295 A1 WO2013165295 A1 WO 2013165295A1 SE 2013050119 W SE2013050119 W SE 2013050119W WO 2013165295 A1 WO2013165295 A1 WO 2013165295A1
Authority
WO
WIPO (PCT)
Prior art keywords
anchor
civil engineering
component
engineering construction
plate
Prior art date
Application number
PCT/SE2013/050119
Other languages
English (en)
Inventor
Håkan Nilsson
Original Assignee
Blue Systems 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 Blue Systems Ab filed Critical Blue Systems Ab
Priority to EP13785039.2A priority Critical patent/EP2844799A4/fr
Priority to AU2013257349A priority patent/AU2013257349A1/en
Priority to US14/397,645 priority patent/US20150121777A1/en
Priority to MX2014013253A priority patent/MX2014013253A/es
Publication of WO2013165295A1 publication Critical patent/WO2013165295A1/fr

Links

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
    • E02D5/803—Ground anchors with pivotable anchoring members
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/06—Continuous barriers extending along roads or between traffic lanes essentially made of cables, nettings or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/50—Anchored foundations

Definitions

  • the present invention concerns an anchor for tensioning at least one component for a civil engineering construction.
  • the present invention also concerns a method for securing an anchor for tensioning at least one component for a civil engineering construction, at least partly in the ground/underlying surface.
  • a road safety fence is a continuous obstruction along a road, which is mounted with the aim of increasing traffic safety by preventing vehicles from driving into the lane of a vehicle travelling in the opposite direction and to prevent a vehicle from leaving the roadway in the case of an accident, especially in places where there is a particular risk for consequent injury, such as by water or in places with large height level differences.
  • road safety fences that are used on most European roads are tested according to a standard EN1317. This standard requires crash tests to be carried out by an accredited crash test laboratory. There are different capacity levels depending on which type of safety equipment a section of road requires. In Sweden for example, road safety fences usually meet class N2 requirements, which means a crash test with a vehicle that weighs 1500 kg at 1 10 km/h and with a 20° approach angle, while bridge railings are often tested in class H2, which means a crash test with a bus weighing 13 tons at 70 km/h and a 20° angle.
  • class N2 requirements means a crash test with a vehicle that weighs 1500 kg at 1 10 km/h and with a 20° approach angle
  • bridge railings are often tested in class H2 which means a crash test with a bus weighing 13 tons at 70 km/h and a 20° angle.
  • a steel wire fence often comprises a plurality of posts secured substantially vertically in the ground or another underlying surface at a distance from one another, and at least one substantially horizontal steel wire fixed to the posts.
  • a concrete anchor which usually weights three to four tons, and which has a volume of almost two cubic metres is placed at the start and the end of the road safety fence.
  • Such a concrete anchor can be prefabricated or it can be cast on site.
  • a hole is dug in the ground and the concrete anchor is placed in the hole.
  • One or more steel wires are fastened to the anchor and are brought to the right tension.
  • a disadvantage with pre-fabricated anchors is that they are difficult to transport and move.
  • a disadvantage with anchors that are cast on site is that the anchor material and the equipment that is needed to cast an anchor on site must be transported to the installation site.
  • An object of the present invention is to provide an improved anchor for tensioning, i.e. for maintaining an applied tension in, or applying a tension to at least one component for a civil engineering construction.
  • an anchor that is arranged to at least partly be located in the ground/underlying surface.
  • the anchor comprises at least one surface that is intended to be at least partly covered with material so that the weight of this material which acts on said at least one surface gives the anchor the capacity for tensioning said at least one component for a civil engineering construction, such as a cable, a lead, a wire or a line that is directly or indirectly fastened to a component, or that is integrated with a component.
  • a much lighter anchor can be manufactured from metal, a composite material, plastic or some other suitable material.
  • anchor for tensioning at least one component for a civil engineering construction means that the anchor must be suitable for tensioning a component for a civil engineering construction with a tension of at least 5 kN, at least 10 kN, at least 20 kN, at least 30 kN or higher when the anchor is in use. 1- 10 tons of material, or more, can for example be needed to obtain the desired tension depending on the application.
  • At least one element, such as a steel wire or the like, which element is used to connect the anchor to at least one component for a civil engineering construction is arranged at or above ground- or water level, i.e. it is not buried in the ground or located under water and it does not extend at least partly below ground level or water level.
  • the at least one element extends along ground level or water level and/or above ground level or water level, and is directly or indirectly fastened to the anchor.
  • the expression "at least one surface” does not only mean a substantially two-dimensional part of the anchor, such as a plate. It can also be at least one surface of a three- dimensional part of the anchor, such as a beam. Said at least one surface does not necessarily have a continuous surface but can contain holes, cavities, raised portions, channels or other features. Said at least one surface can for example be a grid or an angled plate. Said at least one surface does not necessarily need to be flat, and can have any shape, cross section and/or thickness.
  • Said at least one surface has for example a surface area that can be covered with material of at least 0.5 m 2 , at least 1 m 2 , at least 2 m 2 , at least 3 m 2 , at least 4 m 2 , at least 5 m 2 or larger.
  • An anchor according to the present invention can occupy a volume of 1-10 m 3 or more.
  • material as used in the expression “at least one surface is covered with material” means material that is not the same as the material from which the anchor itself is manufactured. It can be material from the surrounding ground and/or the surrounding underlying surface in which the anchor is at least partly located, such as earth and/or other material that is moved/dug out in order to at least partly secure the anchor in the ground/underlying surface. Additionally, or alternatively this material can be earth, water, rocks and/or other material that is transported to the installation site.
  • said at least one surface of at least one plate consists of a plate, a grid, a beam or some other component, and comprises metal, plastic- or a composite material.
  • An anchor according to the present invention can comprise a frame-like structure that is placed in the ground or in the underlying surface.
  • the anchor comprises a plurality of components, such as plates and/or beams provided with hinges.
  • Such an anchor can be transported to the installation site in a folded state and be unfolded on installation to facilitate its transportation and handling.
  • an anchor can comprise a plurality of joined components, such as plates and/or beams.
  • Such an anchor can be at least partly constructed at the installation site, for example by joining the components with a weld or bolt joint.
  • the anchor can comprise a first plate that is intended to be located substantially horizontally when said anchor is in use and a second component that is arranged so that it forms an angle of 91-180°, for example 120-160° to said first steel plate when said anchor is in use.
  • the present invention also concerns a civil engineering construction, such as a road safety fence, a railway, a bridge, a tunnel, a harbour, a pier, a ferry berth, a canal, a lock, a monument, a beacon, an airport, a park, a fence, a fortification, a building, a portal, a lamppost, a flag pole, a renewable energy construction, such as a solar panel park, a floating or non-floating platform such as a wind energy installation or some other installation, which civil engineering construction comprises at least one component for a civil engineering construction that is tensioned using at least one anchor according to an embodiment of the invention.
  • the present invention further concerns a method for securing an anchor for tensioning at least one component for a civil engineering construction, at least partly in the ground/underlying surface.
  • the method comprises the step of securing at least one surface of the anchor in the ground and at least partly covering said at least one surface with material so that the weight of this material that acts on said at least one surface gives the anchor the capacity for tensioning said at least one component for a civil engineering construction. Further embodiments of the method are recited in the dependent claims.
  • FIGS 1 & 2 show an anchor according to the prior art
  • FIGS. 3-8, 10 & 11 show an anchor according to embodiments of the present invention.
  • Figure 9 shows a method according to an embodiment of the present
  • Figure 1 shows a concrete anchor 10 according to the prior art, which concrete anchor 10 weights about 3 to 4 tons.
  • Figure 2 shows a concrete anchor 10 that has been buried below ground level 12 in order to tension a plurality of steel wires 14 of a road safety fence that comprises a plurality of posts 16 intended to be secured substantially vertically in the ground 12 at a distance from one another.
  • the steel wires 14 are fastened to the posts 16 and to the concrete anchor 10 and are brought to the right tension.
  • the anchor 10 is placed at a distance D, of for example 1 -20 m, or 3-12 m from the start and end of the road safety fence.
  • Figures 3-8 and 10 show an anchor 18 according to an embodiment of the present invention for tensioning at least one component for a civil engineering construction 14 according to an embodiment of the invention.
  • the anchor 18 is arranged to be located in the ground/underlying surface and comprises a surface 20 that is intended to at least partly be covered with material, so that the weight of said material which acts on said surface 20 gives the anchor the capacity for tensioning at least one component for a civil engineering construction.
  • FIG 8 shows an anchor 18 according to an embodiment of the present invention, which anchor comprises surfaces 20, 22, 24 intended to be covered with material 25 so that the weight of said material 25 which acts on the surfaces 20, 22, 24 gives the anchor 18 the capacity for tensioning at least one component for a civil engineering construction, for example a steel wire 14 of a road safety fence.
  • a road safety fence can have one to six steel wires 14. The uppermost steel wire can for example be placed at a height of 600- 800 mm.
  • One or more steel wires 14 can for example be fastened to the anchor 18 using an anchor-embedded component 26.
  • An anchor-embedded component 26 does not however necessarily need to be located at ground level 12 as shown in the illustrated embodiment.
  • the road safety fence can be a side, centre or slope railing.
  • a side railing is placed at the side of a roadway (on the hard shoulder), a centre railing is placed between traffic travelling in opposite directions in the central part of a road, either in the road base or in tarmac, or when the distance between traffic travelling in opposite directions is small, such as when a 13 m road is converted to a 2 + 1 road, and a slope railing is placed on a slope at the side of the road.
  • the slope railing is high enough to handle a car that flies out over the slope and low enough to take care of a car that follows the slope's inclination.
  • the advantages with placing a railing on a slope at the side of the road are to provide more space for pedestrians and cyclists or for cars that have broken down, to provide more space for snow (i.e. when the snow melts the risk of melting snow and water flowing onto the roadway is decreased), and to provide simpler snow clearance of the roadway edge and the side of the roadway.
  • an anchor 18 can be used to tension any component(s) for civil engineering construction.
  • a single anchor 18 can be used to tension a plurality of components for civil engineering constructions, or a plurality of anchors 18 can be used to tension a single component for a civil engineering construction or a smaller number of components for civil engineering constructions.
  • Said at least one component for a civil engineering construction is for example at least one component for one of the following: a road, such as a road safety fence, a railway, a bridge, a tunnel, a harbour, a pier, a ferry berth, a canal, a lock, a monument, a beacon, an airport, a park, a fence, a fortification, a building, a portal, a lamppost, a flag pole, a renewable energy construction, such as a solar panel park, a floating or non-floating platform such as a wind energy installation.
  • a road such as a road safety fence, a railway, a bridge, a tunnel, a harbour, a pier, a ferry berth, a canal, a lock, a monument, a beacon, an airport, a park, a fence, a fortification, a building, a portal, a lamppost, a flag pole, a renewable energy construction, such as a solar panel park,
  • an anchor 18 does not necessarily need to tension at least one component for a civil engineering construction that is located above the ground 12. It can also be used for tensioning at least one component for a civil engineering construction that is at least partly located below the ground/underlying surface.
  • a concrete anchor 10 according to the prior art such as that shown in figure 1 can comprise inclined sides that are covered with material when the anchor 10 is in use.
  • the weight of the material that covers these inclined surfaces is however negligible compared with the weight of the concrete anchor 10.
  • An anchor 18 according to the present invention is arranged so that the weight of material that covers said at least one surface 20, 22, 24 when the anchor 18 is in use is at least ten times, or at least 20 times, or at least 50 times, or at least 100 times heavier or more, than the weight of the anchor 18 itself.
  • the surfaces 20, 22, 24 consist of metal plates, such as steel plates, provided with hinges 28.
  • the surfaces 20, 22, 24 can be substantially rectangular or triangular and/or they can be at least partly covered with a coating, such as a rust- preventing coating.
  • the steel anchor 18 can be transported to the installation site in a folded state, and be unfolded on installation of the anchor 18 in the ground.
  • a first plate 20 is arranged to be located substantially horizontally when the anchor 18 is in use and the other two plates 22, 24 are arranged so that they form an angle ⁇ of 120° to the first plate 20 when the anchor 18 is in use.
  • An anchor 18 according to the present invention can also comprise retaining element or tension elements, such as cables or beams, in order to hold the anchor's surfaces 20, 22, 24 in place while they are at least partly covered with material 25.
  • the first plate 20 can be located 0.7 - 2 m below ground level 12 when the anchor is in use.
  • the first plate 20 can for example have a length of 1 - 4 m and/or a width of 0.7- 2 m and/or a total surface area of 2-8 m 2 that can be covered with material 25.
  • An anchor 18 according to the present invention can however be dimensioned in any way depending on the application and the tension that must be achieved.
  • Figure 9 shows a method for securing an anchor 18 for tensioning at least one component for a civil engineering construction, at least partly in the ground/underlying surface.
  • the method comprises the step of securing at least one surface 20, 22, 24 of the anchor 18 in the ground/underlying surface in some suitable manner, for example by digging a hole in the ground 12 and placing the anchor 18 in the hole.
  • Said at least one surface 20, 22, 24 is at least partly covered with material 25, such as surrounding earth and stones so that the weight of said material 25 which acts on the at least one surface 20, 22, 24 gives the anchor the capacity for tensioning at least one component for a civil engineering construction.
  • FIG 10 shows an anchor 18 according to an embodiment of the present invention, which anchor 18 comprises a surface 20 intended to be covered with material 25 so that the weight of said material 25 which acts on the surface 20 gives the anchor 18 the capacity for tensioning at least one component for a civil engineering construction, such as a steel wire 14 in a construction 28 on which at least one solar panel or solar collector 30 is mounted.
  • a solar panel park can for example comprise a plurality of solar panel- supporting constructions 30, whereby each construction 30 comprises a metal frame, such as an aluminium frame, on which at least one solar panel 30 is mounted.
  • an anchor 18 can be used for tensioning a plurality of constructions 30, whereby one or more steel wires 14 that is/are connected to one or more constructions 30 for example, can be fastened directly to the anchor 18 using an anchor-embedded component 26, and/or indirectly to the anchor 18 via one or more posts 32.
  • FIG 1 shows an anchor 18 according to an embodiment of the present invention, which anchor 18 comprises a surface 20 intended to be covered with material 25 so that the weight of said material 25 which acts on the surface 20 gives the anchor 18 the capacity for tensioning at least one component for a civil engineering construction.
  • One or more steel wires in a construction on which at least one solar panel or solar collector is mounted can for example be fastened to a post 32, which in the illustrated embodiment constitutes part of the anchor 18.
  • the anchor 18 can then absorb forces wanting to lift and/or displace the post 32 in wind, or if a civil engineering construction is subjected to some other force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

L'invention porte sur une ancre (18) pour tendre au moins un composant pour une construction de génie civil (14), laquelle ancre (18) est disposée de façon à être située au moins partiellement dans la surface du sol/sous-jacente au sol (12). L'ancre (18) comprend au moins une surface (20, 22, 24) qui est conçue pour être recouverte au moins partiellement par un matériau (25), de telle sorte que seul le poids dudit matériau (25) qui agit sur ladite ou lesdites surfaces (20, 22, 24) donne à ladite ancre (18) l'aptitude à tendre ledit ou lesdits composants pour une construction de génie civil (14).
PCT/SE2013/050119 2012-05-03 2013-02-12 Ancre et procédé WO2013165295A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13785039.2A EP2844799A4 (fr) 2012-05-03 2013-02-12 Ancre et procédé
AU2013257349A AU2013257349A1 (en) 2012-05-03 2013-02-12 Anchor & method
US14/397,645 US20150121777A1 (en) 2012-05-03 2013-02-12 Anchor & method
MX2014013253A MX2014013253A (es) 2012-05-03 2013-02-12 Ancla y metodo.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1250446-0 2012-05-03
SE1250446 2012-05-03

Publications (1)

Publication Number Publication Date
WO2013165295A1 true WO2013165295A1 (fr) 2013-11-07

Family

ID=49514584

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2013/050119 WO2013165295A1 (fr) 2012-05-03 2013-02-12 Ancre et procédé

Country Status (5)

Country Link
US (1) US20150121777A1 (fr)
EP (1) EP2844799A4 (fr)
AU (1) AU2013257349A1 (fr)
MX (1) MX2014013253A (fr)
WO (1) WO2013165295A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103939783A (zh) * 2014-05-05 2014-07-23 浙江大学 一种基于张拉整体原理的悬浮柱状发光体系

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2196290A (en) * 1936-09-16 1940-04-09 Eugene V Camp Highway guardrail construction
EP1541768A1 (fr) * 2003-12-09 2005-06-15 Co-Metronic B.V. Arrangement de anti battre comprendre un pieu de anti battre
EP1397562B1 (fr) * 2001-06-06 2009-04-08 Corus UK LTD. Appareil d'ancrage au sol

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US817044A (en) * 1905-08-29 1906-04-03 William E Cissna Land-anchor.
US1964610A (en) * 1932-09-30 1934-06-26 John A Wagner Ground anchor
US2049352A (en) * 1933-01-14 1936-07-28 Eugene V Camp Staying device for road guards
US1982963A (en) * 1933-09-18 1934-12-04 Marvin C Post Anchor
US2121757A (en) * 1936-10-26 1938-06-21 Iron Products Corp Earth anchor
US2176566A (en) * 1937-08-11 1939-10-17 W C Dillon & Company Inc Anchor
US2243886A (en) * 1938-12-02 1941-06-03 Joseph C Scott Airplane mooring anchor
US2633212A (en) * 1949-08-02 1953-03-31 Mcgraw Electric Co Ground anchor
US2941636A (en) * 1956-08-30 1960-06-21 William J Cordes Retrievable earth anchor
JPS5253524Y2 (fr) * 1974-03-18 1977-12-05
US4285993A (en) * 1979-03-30 1981-08-25 Green Sr John H Anti-corrosive structure anchor assembly
JPS60141923A (ja) * 1983-12-27 1985-07-27 Watanabe Tsuguhiko 礫成ブロツクの基体及び礫成ブロツクの造成方法
US4832001A (en) * 1987-05-28 1989-05-23 Zomeworks Corporation Lightweight solar panel support
SE519725C2 (sv) * 2000-10-27 2003-04-01 Vaegverket Vaegverket Produkti Stållineräcke samt en metod att sätta upp ett stållineräcke

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2196290A (en) * 1936-09-16 1940-04-09 Eugene V Camp Highway guardrail construction
EP1397562B1 (fr) * 2001-06-06 2009-04-08 Corus UK LTD. Appareil d'ancrage au sol
EP1541768A1 (fr) * 2003-12-09 2005-06-15 Co-Metronic B.V. Arrangement de anti battre comprendre un pieu de anti battre

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2844799A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103939783A (zh) * 2014-05-05 2014-07-23 浙江大学 一种基于张拉整体原理的悬浮柱状发光体系

Also Published As

Publication number Publication date
EP2844799A1 (fr) 2015-03-11
US20150121777A1 (en) 2015-05-07
AU2013257349A1 (en) 2014-12-18
EP2844799A4 (fr) 2015-12-09
MX2014013253A (es) 2015-05-12

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