EP0715026A1 - Movable barrier element, barrier formed therewith and method for forming such barrier - Google Patents
Movable barrier element, barrier formed therewith and method for forming such barrier Download PDFInfo
- Publication number
- EP0715026A1 EP0715026A1 EP95203303A EP95203303A EP0715026A1 EP 0715026 A1 EP0715026 A1 EP 0715026A1 EP 95203303 A EP95203303 A EP 95203303A EP 95203303 A EP95203303 A EP 95203303A EP 0715026 A1 EP0715026 A1 EP 0715026A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- barrier
- connecting means
- elements
- barrier element
- movable barrier
- 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
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Classifications
-
- 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
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/088—Details of element connection
-
- 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
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
- E01F15/083—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using concrete
Definitions
- the invention relates to a movable barrier element, comprising a beam-shaped body provided on at least one outer end with connecting means.
- a barrier element is generally known and is used particularly for erecting temporary barriers along roads, for instance at places where work is being carried out on the road.
- the known movable barrier elements After being placed in position, the known movable barrier elements are either fixedly or hingedly connected to each other.
- a barrier is obtained with very great rigidity which thus provides good protection under all conditions for personnel and/or vehicles present behind the barrier, while a hinged connection results in a barrier which can easily be placed in a desired form.
- the known barrier elements have a number of drawbacks however.
- the rigidity of a barrier formed by barrier elements fixedly connected to each other is so great and the deformability thereof so small that in the case of a collision the colliding vehicle and the occupants are exposed to very great deceleration forces, which can result in very considerable material damage and personal injury.
- a collision will often result in unacceptably large movements of the elements, thus causing danger for personnel and/or vehicles separated from the other traffic by the barrier.
- the invention therefore has for its object to provide a movable barrier element of the above described type, wherein these drawbacks do not occur. This is achieved according to the invention in that the connecting means are adapted to absorb kinetic energy.
- the invention also relates to a movable barrier formed by a plurality of mutually connected barrier elements of the above described type.
- the invention relates to a method for forming a movable barrier by placing a plurality of movable barrier elements one after another in lengthwise direction and mutually joining the elements by means of connecting means placed therebetween, wherein the connecting means are placed under bias.
- the effectiveness of the thus formed connection is hereby greatly improved.
- Preferred embodiments of the invention form the subject-matter of the dependent claims.
- a barrier 20 which can be used for instance as temporary crash barrier along a road at a location where work is being carried out on the road, is constructed from a plurality of mutually connected, identical movable barrier elements 1 (fig. 1). It is important that the barrier 20 is sufficiently robust to adequately protect the personnel and/or vehicles present behind the barrier 20 in the case of collision) indicated here with arrow A), but is on the other hand sufficiently deformable to limit as far as possible the damage to the colliding vehicle and the occupants thereof. The deformation of barrier 20 is indicated here with dashed lines.
- Each barrier element 1 is formed by a beam-shaped body having a relatively broad lower part 5 and a relatively narrow upper part 4. A very stable placing of barrier element 1 on a ground 6 is hereby effected. This is important, as a part of the kinetic energy of a vehicle in the case of a collision must be absorbed in the form of frictional energy between the bottom 5 of the element 1 and the ground 6. From structural considerations the barrier element 1 in the shown embodiment is slightly pagoda-shaped and provided in its side surface with two fold lines 11, 12. From considerations of stability the beam-shaped body of barrier element 1 can take a solid form (fig. 3) but may also be hollow in order to make the barrier element 1 easier to transport. After placing of barrier element 1 the hollow internal space 19 can herein be filled with for instance water or sand to increase the stability of the barrier 20.
- each element 1 is provided on its outer ends with connecting means 13, 16 whereby it is connected with its adjoining elements 1.
- the connecting means 13, 16 are herein adapted to absorb the greatest possible amount of kinetic energy.
- the connecting means 13, 16 are formed by coupling means 16 which hold together the elements 1 and thus ensure that the greatest possible number of elements 1 takes part in absorbing the kinetic energy through displacement thereof, and deforming means 13 which absorb the kinetic energy by deforming.
- the coupling means 16 comprise a hook 17 incorporated in one of the elements 1 which co-acts with an eye 18 incorporated in the other element 1 to form a tension connection, while the deforming means 13 are formed by two deforming members 14, 15 arranged on the end surfaces 2, 3 of elements 1.
- the deforming members 14, 15 can for instance be manufactured from an elastic material such as rubber, whereby they can take on their original shape again after a collision and are therefore re-usable, but it is also conceivable to make use of plastically deformable members, for instance metal or plastic "crush zones". These will of course have to be replaced after a crash.
- the end faces 2, 3 of the mutually adjoining elements 1 are each provided with a fold line 7, 8 whereby a sloping part 9 respectively 10 is formed on which the deforming members 14, 15 are arranged.
- a combined shifting and rotation movement of barrier element 1 hereby results in a comparatively large displacement in the main deforming direction of the deforming members 14, 15. It will otherwise be apparent to the skilled person that differently formed deforming members, or only one deforming member, could also be applied.
- connection between two mutually adjoining elements 1 is placed under bias, whereby possible clearance between the elements is removed and, in the case of a collision, kinetic energy can thus be passed directly from the one element to the other without there being a spurious movement to span the clearance wherein no energy is absorbed.
- Biasing of the connecting means is elucidated with reference to fig. 4.
- the coupling means 16 are formed by a coupling member 21 inserted in recesses 22 of the barrier elements 1.
- the coupling member 21 therein has a substantially I-shaped section formed by a web 26 and two flanges 27, while both recesses 22 are each practically T-shaped.
- Recesses 22 are not arranged directly in element 1 though, but form part of a coupling piece 23 which is arranged in a space 24 in element 1 and connected to the reinforcement steel 25 of element 1.
- a subsequent element 1 is raised in each case, for instance by means of a crane or, in the example shown, a forklift device 29 engaging in drainage recesses 28 of element 1, and placed with its end surface 2 against the end surface 3 of the preceding element 1.
- the new element 1 for placing is then carried downward so far that the recesses 22 in both elements 1 partly overlap each other, whereafter the coupling member 21 is placed in both recesses 22.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
Description
- The invention relates to a movable barrier element, comprising a beam-shaped body provided on at least one outer end with connecting means. Such a barrier element is generally known and is used particularly for erecting temporary barriers along roads, for instance at places where work is being carried out on the road.
- After being placed in position, the known movable barrier elements are either fixedly or hingedly connected to each other. In the case of a fixed connection a barrier is obtained with very great rigidity which thus provides good protection under all conditions for personnel and/or vehicles present behind the barrier, while a hinged connection results in a barrier which can easily be placed in a desired form.
- The known barrier elements have a number of drawbacks however. The rigidity of a barrier formed by barrier elements fixedly connected to each other is so great and the deformability thereof so small that in the case of a collision the colliding vehicle and the occupants are exposed to very great deceleration forces, which can result in very considerable material damage and personal injury. On the other hand, in the case of a barrier constructed from barrier elements hingedly connected to each other, a collision will often result in unacceptably large movements of the elements, thus causing danger for personnel and/or vehicles separated from the other traffic by the barrier.
- The invention therefore has for its object to provide a movable barrier element of the above described type, wherein these drawbacks do not occur. This is achieved according to the invention in that the connecting means are adapted to absorb kinetic energy.
- The invention also relates to a movable barrier formed by a plurality of mutually connected barrier elements of the above described type.
- Finally, the invention relates to a method for forming a movable barrier by placing a plurality of movable barrier elements one after another in lengthwise direction and mutually joining the elements by means of connecting means placed therebetween, wherein the connecting means are placed under bias. The effectiveness of the thus formed connection is hereby greatly improved.
- Preferred embodiments of the invention form the subject-matter of the dependent claims.
- The invention is now elucidated on the basis of three examples, wherein reference is made to the annexed drawing wherein corresponding components are designated with corresponding reference numerals, and in which:
- fig. 1 shows a partly sectional perspective view of a number of joined together barrier elements according to a first embodiment of the invention,
- fig. 2 shows a detail view of the join between two mutually adjoining barrier elements, and
- fig. 3 shows a partly sectional perspective detail view of two mutually adjoining barrier elements according to a second embodiment of the invention prior to assembly thereof, and
- fig. 4 shows a partly broken away perspective detail view of two barrier elements according to a third embodiment during assembly.
- A
barrier 20, which can be used for instance as temporary crash barrier along a road at a location where work is being carried out on the road, is constructed from a plurality of mutually connected, identical movable barrier elements 1 (fig. 1). It is important that thebarrier 20 is sufficiently robust to adequately protect the personnel and/or vehicles present behind thebarrier 20 in the case of collision) indicated here with arrow A), but is on the other hand sufficiently deformable to limit as far as possible the damage to the colliding vehicle and the occupants thereof. The deformation ofbarrier 20 is indicated here with dashed lines. - Each
barrier element 1 is formed by a beam-shaped body having a relatively broadlower part 5 and a relatively narrow upper part 4. A very stable placing ofbarrier element 1 on aground 6 is hereby effected. This is important, as a part of the kinetic energy of a vehicle in the case of a collision must be absorbed in the form of frictional energy between thebottom 5 of theelement 1 and theground 6. From structural considerations thebarrier element 1 in the shown embodiment is slightly pagoda-shaped and provided in its side surface with twofold lines barrier element 1 can take a solid form (fig. 3) but may also be hollow in order to make thebarrier element 1 easier to transport. After placing ofbarrier element 1 the hollowinternal space 19 can herein be filled with for instance water or sand to increase the stability of thebarrier 20. - In the case of a crash the struck
barrier element 1 will perform a combined translation and rotation movement. Theelement 1 will shift over theground 6 and simultaneously want to tip over as a result of a moment generated by the force of the collision and the friction force. In order to prevent these movements as far as possible, eachelement 1 is provided on its outer ends with connectingmeans adjoining elements 1. Theconnecting means connecting means elements 1 and thus ensure that the greatest possible number ofelements 1 takes part in absorbing the kinetic energy through displacement thereof, and deformingmeans 13 which absorb the kinetic energy by deforming. The coupling means 16 comprise ahook 17 incorporated in one of theelements 1 which co-acts with aneye 18 incorporated in theother element 1 to form a tension connection, while thedeforming means 13 are formed by twodeforming members end surfaces 2, 3 ofelements 1. The deformingmembers - In order to further increase the effectiveness of the deformable connecting means, the end faces 2, 3 of the mutually adjoining
elements 1 are each provided with afold line 7, 8 whereby asloping part 9 respectively 10 is formed on which thedeforming members barrier element 1 hereby results in a comparatively large displacement in the main deforming direction of the deformingmembers - In addition, by giving the
end faces 2, 3 a partially sloping form, the connection between two mutually adjoiningelements 1 is placed under bias, whereby possible clearance between the elements is removed and, in the case of a collision, kinetic energy can thus be passed directly from the one element to the other without there being a spurious movement to span the clearance wherein no energy is absorbed. Biasing of the connecting means is elucidated with reference to fig. 4. In the embodiment shown therein the coupling means 16 are formed by acoupling member 21 inserted inrecesses 22 of thebarrier elements 1. Thecoupling member 21 therein has a substantially I-shaped section formed by aweb 26 and twoflanges 27, while bothrecesses 22 are each practically T-shaped.Recesses 22 are not arranged directly inelement 1 though, but form part of acoupling piece 23 which is arranged in a space 24 inelement 1 and connected to thereinforcement steel 25 ofelement 1. - During forming of the
barrier 20 by placingelements 1 one after another, asubsequent element 1 is raised in each case, for instance by means of a crane or, in the example shown, aforklift device 29 engaging indrainage recesses 28 ofelement 1, and placed with itsend surface 2 against the end surface 3 of the precedingelement 1. Thenew element 1 for placing is then carried downward so far that therecesses 22 in bothelements 1 partly overlap each other, whereafter thecoupling member 21 is placed in bothrecesses 22. When thenew element 1 for placing is then carried further downward, thisnew element 1 will be pressed aside as a consequence of the sloping progress of theend surface 10 and also partly due to the presence of thedeforming members recesses 22 are moved apart and thecoupling member 21 is placed under a bias, in this case a tensile stress.
Claims (11)
- Movable barrier element 1, comprising a beam-shaped body provided on at least one outer end 2, 3 with connecting means 13, 16, characterized in that the connecting means 13, 16 are adapted to absorb kinetic energy.
- Barrier element 1 as claimed in claim 1, characterized in that the connecting means 13, 16 are adapted to absorb energy when the body is rotated on at least one of its axes.
- Barrier element 1 as claimed in claim 1 or 2, characterized in that the connecting means 13, 16 comprise at least one deforming member 14, 15, the stiffness of which is less than that of the beam-shaped body.
- Barrier element 1 as claimed in claim 3, characterized in that the deforming member 14, 15 is manufactured from an elastic material.
- Barrier element 1 as claimed in claim 3 or 4, characterized in that the body has on its outer end 2, 3 an at least partially sloping end face.
- Barrier element 1 as claimed in claim 5, characterized in that the deforming member 14, 15 is arranged on the sloping part (9, 10) of the end face 2, 3.
- Barrier element 1 as claimed in any of the foregoing claims, characterized in that the connecting means 13, 16 are adapted to be placed under bias.
- Barrier element 1 as claimed in any of the foregoing claims, characterized in that the beam-shaped body is manufactured from concrete.
- Movable barrier 20 comprising a plurality of mutually connected barrier elements 1 as claimed in any of the foregoing claims.
- Method for forming a movable barrier 20 by placing a plurality of movable barrier elements 1 one after another in lengthwise direction and mutually joining the elements by means of connecting means 13, 16 placed therebetween, characterized in that the connecting means 13, 16 are placed under bias.
- Method as claimed in claim 10, characterized in that each barrier element (1) has an at least partially sloping end face, that during placing each barrier element 1 is placed adjoining the preceding element 1, the connecting means 13, 16 are subsequently arranged and finally the element 1 is lowered, wherein the element 1 performs a partly horizontal movement as a result of the slope of the end face whereby the connecting means 13, 16 are placed under bias.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9402022 | 1994-12-01 | ||
NL9402022A NL193170C (en) | 1994-12-01 | 1994-12-01 | Movable partition element and partition formed with it. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0715026A1 true EP0715026A1 (en) | 1996-06-05 |
EP0715026B1 EP0715026B1 (en) | 2000-03-08 |
Family
ID=19864960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19950203303 Expired - Lifetime EP0715026B1 (en) | 1994-12-01 | 1995-12-01 | Movable barrier element, barrier formed therewith and method for forming such barrier |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0715026B1 (en) |
DE (1) | DE69515426T2 (en) |
NL (1) | NL193170C (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000023657A1 (en) * | 1998-10-19 | 2000-04-27 | Kinabalu Investments Pty. Ltd. | A barrier |
NL1016913C2 (en) | 2000-07-12 | 2002-01-17 | Dla & Landscape Architects B V | Partition element with sound barrier. |
FR2821371A1 (en) * | 2001-02-26 | 2002-08-30 | Nadia | Road lane separator and barrier comprises prismatic body with opentopped inner cavity to receive ballasting material |
DE10311590A1 (en) * | 2003-03-14 | 2004-09-23 | Hermann Spengler Kg Sand- U. Betonwerk | Concrete crash barrier, has deformable inlay located between adjoining end surfaces of concrete sections |
AT502959B1 (en) * | 2005-11-24 | 2008-02-15 | Maba Fertigteilind Gmbh | Concrete barrier ELEMENT |
EP2025816A1 (en) * | 2007-08-01 | 2009-02-18 | AVS Mellingen GmbH | Method for manufacturing a wall element and wall element manufactured according to the method for a traffic guide wall |
EP2236675A2 (en) | 2009-04-03 | 2010-10-06 | Rudus Betonituote Oy | Barrier comprising barrier elements and a method for connecting and disconnecting barrier elements to and from each other |
CN108385566A (en) * | 2018-04-24 | 2018-08-10 | 上海工程技术大学 | A kind of track adjusting apparatus and application method of walking certainly |
CN108396635A (en) * | 2018-04-10 | 2018-08-14 | 辛成辉 | A kind of removable track isolation strip of Overbridge type |
CN114032815A (en) * | 2021-12-14 | 2022-02-11 | 四川路桥建设集团交通工程有限公司 | Central separation belt anti-collision guardrail device and construction method thereof |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1012439C2 (en) | 1999-06-25 | 2001-01-10 | Haitsma Beton Bv | Separation element. |
DE102008049966C5 (en) * | 2008-10-02 | 2014-10-30 | Linetech Gmbh & Co. Kg | Connection for a traffic control wall |
DE202012006632U1 (en) | 2012-07-07 | 2012-08-06 | Tss Technische Sicherheits-Systeme Gmbh | Road boundary element |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT387808B (en) * | 1985-05-07 | 1989-03-28 | Rausch Peter | Device for connecting concrete sliding wall blocks |
EP0310754A2 (en) * | 1987-10-07 | 1989-04-12 | REIFF-BETON-ROHR GMBH & CO. KG. | Separation device |
WO1993015275A1 (en) * | 1992-02-03 | 1993-08-05 | Wilhelm Junker | Support socle for signalling devices |
-
1994
- 1994-12-01 NL NL9402022A patent/NL193170C/en not_active IP Right Cessation
-
1995
- 1995-12-01 EP EP19950203303 patent/EP0715026B1/en not_active Expired - Lifetime
- 1995-12-01 DE DE1995615426 patent/DE69515426T2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT387808B (en) * | 1985-05-07 | 1989-03-28 | Rausch Peter | Device for connecting concrete sliding wall blocks |
EP0310754A2 (en) * | 1987-10-07 | 1989-04-12 | REIFF-BETON-ROHR GMBH & CO. KG. | Separation device |
WO1993015275A1 (en) * | 1992-02-03 | 1993-08-05 | Wilhelm Junker | Support socle for signalling devices |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000023657A1 (en) * | 1998-10-19 | 2000-04-27 | Kinabalu Investments Pty. Ltd. | A barrier |
NL1016913C2 (en) | 2000-07-12 | 2002-01-17 | Dla & Landscape Architects B V | Partition element with sound barrier. |
FR2821371A1 (en) * | 2001-02-26 | 2002-08-30 | Nadia | Road lane separator and barrier comprises prismatic body with opentopped inner cavity to receive ballasting material |
DE10311590A1 (en) * | 2003-03-14 | 2004-09-23 | Hermann Spengler Kg Sand- U. Betonwerk | Concrete crash barrier, has deformable inlay located between adjoining end surfaces of concrete sections |
AT502959B1 (en) * | 2005-11-24 | 2008-02-15 | Maba Fertigteilind Gmbh | Concrete barrier ELEMENT |
EP2025816A1 (en) * | 2007-08-01 | 2009-02-18 | AVS Mellingen GmbH | Method for manufacturing a wall element and wall element manufactured according to the method for a traffic guide wall |
EP2236675A2 (en) | 2009-04-03 | 2010-10-06 | Rudus Betonituote Oy | Barrier comprising barrier elements and a method for connecting and disconnecting barrier elements to and from each other |
CN108396635A (en) * | 2018-04-10 | 2018-08-14 | 辛成辉 | A kind of removable track isolation strip of Overbridge type |
CN108385566A (en) * | 2018-04-24 | 2018-08-10 | 上海工程技术大学 | A kind of track adjusting apparatus and application method of walking certainly |
CN114032815A (en) * | 2021-12-14 | 2022-02-11 | 四川路桥建设集团交通工程有限公司 | Central separation belt anti-collision guardrail device and construction method thereof |
Also Published As
Publication number | Publication date |
---|---|
EP0715026B1 (en) | 2000-03-08 |
NL9402022A (en) | 1996-07-01 |
NL193170B (en) | 1998-09-01 |
DE69515426D1 (en) | 2000-04-13 |
DE69515426T2 (en) | 2000-11-23 |
NL193170C (en) | 1999-01-05 |
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