EP0691435B1 - Apparatus for shoring trenches - Google Patents

Apparatus for shoring trenches Download PDF

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Publication number
EP0691435B1
EP0691435B1 EP95401552A EP95401552A EP0691435B1 EP 0691435 B1 EP0691435 B1 EP 0691435B1 EP 95401552 A EP95401552 A EP 95401552A EP 95401552 A EP95401552 A EP 95401552A EP 0691435 B1 EP0691435 B1 EP 0691435B1
Authority
EP
European Patent Office
Prior art keywords
panel
trench
cladding panels
panels
spacer
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.)
Expired - Lifetime
Application number
EP95401552A
Other languages
German (de)
French (fr)
Other versions
EP0691435A1 (en
Inventor
Edmond Thuries
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.)
Grid Solutions SAS
Original Assignee
GEC Alsthom T&D SA
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 GEC Alsthom T&D SA filed Critical GEC Alsthom T&D SA
Publication of EP0691435A1 publication Critical patent/EP0691435A1/en
Application granted granted Critical
Publication of EP0691435B1 publication Critical patent/EP0691435B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations

Definitions

  • the present invention relates to a device for trench support.
  • a support of a trench intended to receive elements to be buried and comprising two cladding panels intended for be placed opposite against the walls of the trench.
  • Such a device can be used for the trench support intended for the installation of various elements such as pipes or pipelines. He finds his application in particular in laying lines of armored electrical transport.
  • the object of the invention is to provide a device for support allowing the cladding of the trench step by step as the trench is dug, while also participating in the subsequent installation of the elements to bury it in the trench.
  • the gantry includes a support and lowering of the element to be buried.
  • each upright has two legs fixed to the corresponding panel by pins and threaded each in two U-shaped irons secured to the panel and carried each at their lower end by an angle secured to the panel.
  • the spacer arrangement has a pivoting vertical bar on each panel in two rings integral with the panel and supporting two substantially horizontal bars of substantially length equal to half the width of the trench, both vertical bars being arranged opposite when the siding panels are in place.
  • Figure 1 is a perspective view of a device according to the invention.
  • Figures 2 to 4 are views in longitudinal section a construction site for the installation of a transmission line electric shielded in a trench using devices support according to the invention.
  • the support device 1 has two cladding panels 2, 3 intended to be arranged opposite against the walls of the trench.
  • the gantry 4 for support and installation of cladding panels 2, 3 in the trench comprising two uprights 5, 6 fixed respectively to each removable panel and connected by a cross horizontal 7.
  • the gantry 4 comprises a device for support and lowering of the element to be buried fixed to the cross member 7 and advantageously consists of a hoist 8.
  • This hoist 8 supports a cradle 9 intended to receive the element to lay at the bottom of the trench, for example a pipe or pipeline.
  • the gantry can also be suspended from a carrier such as a crane thanks to a carrying ring 10.
  • Each upright 5, 6 has two legs 51, 52, 61, 62 fixed to the panel 2, 3 corresponding by pins 53, 54, 63, 64. Each of these legs is threaded in two U-shaped irons 31, 32 secured to the corresponding panel 3 and carried at its lower end by an angle 33 secured to the panel 3.
  • the device 1 also has an arrangement removable spacer comprising at least one spacer pivoting about a vertical axis supported by at least one of the cladding panels.
  • this arrangement has on each panel 2, 3 a vertical bar 11 pivoting in two rings 12, 13 integral with the panel 3 and supporting two substantially horizontal bars 14, 15 of length substantially equal to half the width of the trench, the two vertical bars 11 being arranged in opposite when the cladding panels 2, 3 are in square.
  • Actuating rods 16 are provided at upper ends of the vertical bars 11. So by pivot, the horizontal bars 14, 15 are either arranged against the cladding panels 2, 3 in their inactive position, either arranged perpendicular to the cladding panels 2, 3 in their active position. In this last position, the horizontal bars of the first panel 2 abut against those of the second panel 3 and by their mutual pressure forms two spacers between cladding panels 2, 3.
  • the cladding panels 2, 3 advantageously have their edge lower provided with anchor peaks 17. Furthermore, in order to allow the alignment of the cladding panels 2, 3 with those 2 ', 3' of the adjacent device, they include a socket plate 18, 19 welded on one of their edges lateral.
  • FIGS 2 to 4 represent a construction site place of an armored electrical transmission line in a trench, for example an electric line as described in French patent application No. 92 06 733 (FR-A-2 692 084) filed by the Applicant.
  • This type of laying step by step is particularly intended for rough terrain for example urban or rocky.
  • trench 22 is dug at using a digging machine, for example a backhoe 21.
  • the junction zones 23 are first of all prepared, formed of a concrete tank to allow possible intervention in these areas.
  • a machine lifting for example a crane 24 sets up at the bottom of the trench 22 of the support devices 1.
  • these devices 1 are supported by their gantry 4 and once installed their spacer arrangement is put in its active position and the gantry can be removed.
  • a mobile workshop 25 is brought to the trench 22.
  • Y is carried out the assembly of line sections 26 step by step, these sections being gradually suspended from the gantries 4 rested step by step on the siding panels in place. This operation is continued up to the junction area 23 next.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

The support consists of two lateral vertical panels (2,3) which bear against opposite walls of the trench, in cooperation with a supporting portal structure (4). The portal has a pair of lateral upright members (5,6) linked by a horizontal transverse bar (7), each lateral member being detachably secured to one of the vertical panels. Each panel has a pivotable spacer bar (14,15) which is movable to cooperate with the spacer of the corresponding opposite panel to define a transverse support between the panels after removal of the portal structure. The portal is attached to the panels by engagement of its upright members in straps (31,32) on the inner panel faces and by removable locking pins (53,54) at the upper part of each panel. <IMAGE>

Description

La présente invention se rapporte à un dispositif de soutènement de tranchée.The present invention relates to a device for trench support.

Elle concerne plus précisément un dispositif de soutènement d'une tranchée destinée à recevoir des éléments à enfouir et comportant deux panneaux de bardage destinés à être disposés en vis-à-vis contre les parois de la tranchée.More specifically, it relates to a support of a trench intended to receive elements to be buried and comprising two cladding panels intended for be placed opposite against the walls of the trench.

Un tel dispositif peut être utilisé pour le soutènement de tranchée destinée à la pose d'éléments divers tels que conduites ou canalisations. Il trouve son application en particulier dans la pose de lignes de transport électriques blindée.Such a device can be used for the trench support intended for the installation of various elements such as pipes or pipelines. He finds his application in particular in laying lines of armored electrical transport.

Le but de l'invention est de réaliser un dispositif de soutènement permettant le bardage de la tranchée pas à pas au fur et à mesure du creusement de la tranchée, tout en participant également à la pose ultérieure des éléments à enfouir dans la tranchée.The object of the invention is to provide a device for support allowing the cladding of the trench step by step as the trench is dug, while also participating in the subsequent installation of the elements to bury it in the trench.

Pour ce faire, conformément à l'invention, le dispositif de soutènement comprend

  • un portique de support et de mise en place des panneaux de bardage dans la tranchée comprenant deux montants reliés par une traverse horizontale et dont chacun est fixé à un panneau de façon démontable,
  • un agencement d'entretoise amovible comprenant au moins une entretoise pivotante autour d'un axe vertical supporté par au moins l'un des panneaux de bardage.
To do this, in accordance with the invention, the support device comprises
  • a gantry for supporting and installing cladding panels in the trench comprising two uprights connected by a horizontal crosspiece and each of which is fixed to a panel in a removable manner,
  • a removable spacer arrangement comprising at least one spacer pivoting about a vertical axis supported by at least one of the cladding panels.

Selon un mode de réalisation préféré de l'invention, le portique comporte un dispositif de supportage et de descente de l'élément à enfouir.According to a preferred embodiment of the invention, the gantry includes a support and lowering of the element to be buried.

Avantageusement, chaque montant comporte deux jambes fixées au panneau correspondant par goupilles et enfilées chacune dans deux fers en U solidaires du panneau et portées chacune à leur extrémité inférieure par une cornière solidaire du panneau.Advantageously, each upright has two legs fixed to the corresponding panel by pins and threaded each in two U-shaped irons secured to the panel and carried each at their lower end by an angle secured to the panel.

Par ailleurs, de préférence, l'agencement d'entretoise comporte sur chaque panneau une barre verticale pivotant dans deux bagues solidaires du panneau et supportant deux barres sensiblement horizontales de longueur sensiblement égale à la moitié de la largeur de la tranchée, les deux barres verticales étant disposées en vis-à-vis lorsque les panneaux de bardage sont en place.Furthermore, preferably, the spacer arrangement has a pivoting vertical bar on each panel in two rings integral with the panel and supporting two substantially horizontal bars of substantially length equal to half the width of the trench, both vertical bars being arranged opposite when the siding panels are in place.

L'invention est décrite ci-après plus en détail à l'aide de figures ne représentant qu'un mode de réalisation préféré.The invention is described below in more detail at using figures representing only one embodiment prefer.

La figure 1 est une vue en perspective d'un dispositif conforme à l'invention.Figure 1 is a perspective view of a device according to the invention.

Les figures 2 à 4 sont des vues en coupe longitudinale d'un chantier de mise en place d'une ligne de transport électrique blindée dans une tranchée à l'aide de dispositifs de soutènement conformes à l'invention.Figures 2 to 4 are views in longitudinal section a construction site for the installation of a transmission line electric shielded in a trench using devices support according to the invention.

Le dispositif de soutènement 1 conforme à l'invention comporte deux panneaux de bardage 2, 3 destinés à être disposés en vis-à-vis contre les parois de la tranchée.The support device 1 according to the invention has two cladding panels 2, 3 intended to be arranged opposite against the walls of the trench.

Il comprend également un portique 4 de support et de mise en place des panneaux de bardage 2, 3 dans la tranchée comprenant deux montants 5, 6 fixés respectivement à chaque panneau de façon démontable et reliés par une traverse horizontale 7. Le portique 4 comporte un dispositif de supportage et de descente de l'élément à enfouir fixé à la traverse 7 et constitué avantageusement d'un palan 8. Ce palan 8 supporte un berceau 9 destiné à recevoir l'élément à poser au fond de la tranchée, par exemple une conduite ou canalisation. Par cette traverse 7, le portique peut également être suspendu à un engin porteur tel qu'une grue grâce à un anneau de portage 10.It also includes a gantry 4 for support and installation of cladding panels 2, 3 in the trench comprising two uprights 5, 6 fixed respectively to each removable panel and connected by a cross horizontal 7. The gantry 4 comprises a device for support and lowering of the element to be buried fixed to the cross member 7 and advantageously consists of a hoist 8. This hoist 8 supports a cradle 9 intended to receive the element to lay at the bottom of the trench, for example a pipe or pipeline. By this cross 7, the gantry can also be suspended from a carrier such as a crane thanks to a carrying ring 10.

Chaque montant 5, 6 comporte deux jambes 51, 52, 61, 62 fixées au panneau 2, 3 correspondant par des goupilles 53, 54, 63, 64. Chacune de ces jambes est enfilée dans deux fers en U 31, 32 solidaires du panneau correspondant 3 et portées à son extrémité inférieure par une cornière 33 solidaire du panneau 3. Each upright 5, 6 has two legs 51, 52, 61, 62 fixed to the panel 2, 3 corresponding by pins 53, 54, 63, 64. Each of these legs is threaded in two U-shaped irons 31, 32 secured to the corresponding panel 3 and carried at its lower end by an angle 33 secured to the panel 3.

Le dispositif 1 comporte également un agencement d'entretoise amovible comprenant au moins une entretoise pivotante autour d'un axe vertical supporté par au moins l'un des panneaux de bardage. De préférence, cet agencement comporte sur chaque panneau 2, 3 une barre verticale 11 pivotant dans deux bagues 12, 13 solidaires du panneau 3 et supportant deux barres 14, 15 sensiblement horizontales de longueur sensiblement égale à la moitié de la largeur de la tranchée, les deux barres verticales 11 étant disposées en vis-à-vis lorsque les panneaux de bardage 2, 3 sont en place.The device 1 also has an arrangement removable spacer comprising at least one spacer pivoting about a vertical axis supported by at least one of the cladding panels. Preferably, this arrangement has on each panel 2, 3 a vertical bar 11 pivoting in two rings 12, 13 integral with the panel 3 and supporting two substantially horizontal bars 14, 15 of length substantially equal to half the width of the trench, the two vertical bars 11 being arranged in opposite when the cladding panels 2, 3 are in square.

Des tiges d'actionnement 16 sont prévues aux extrémités supérieures des barres verticales 11. Ainsi, par pivotement, les barres horizontales 14, 15 sont soit disposées contre les panneaux de bardage 2, 3 dans leur position inactive, soit disposées perpendiculairement aux panneaux de bardage 2, 3 dans leur position active. Dans cette dernière position, les barres horizontales du premier panneau 2 viennent s'abouter contre celles du second panneau 3 et par leur pression mutuelle forme deux entretoises entre les panneaux de bardage 2, 3.Actuating rods 16 are provided at upper ends of the vertical bars 11. So by pivot, the horizontal bars 14, 15 are either arranged against the cladding panels 2, 3 in their inactive position, either arranged perpendicular to the cladding panels 2, 3 in their active position. In this last position, the horizontal bars of the first panel 2 abut against those of the second panel 3 and by their mutual pressure forms two spacers between cladding panels 2, 3.

Afin de faciliter leur insertion dans la tranchée, les panneaux de bardage 2, 3 ont avantageusement leur bord inférieur pourvu de pics d'ancrage 17. Par ailleurs, afin de permettre l'alignement des panneaux de bardage 2, 3 avec ceux 2', 3' du dispositif adjacent, ils comportent une plaque d'emboítement 18, 19 soudée sur un de leurs bords latéraux.In order to facilitate their insertion into the trench, the cladding panels 2, 3 advantageously have their edge lower provided with anchor peaks 17. Furthermore, in order to allow the alignment of the cladding panels 2, 3 with those 2 ', 3' of the adjacent device, they include a socket plate 18, 19 welded on one of their edges lateral.

Un exemple d'utilisation d'un tel dispositif de soutènement est décrit ci-après en référence aux figures 2 à 4.An example of the use of such a device support is described below with reference to Figures 2 to 4.

Ces figures 2 à 4 représente un chantier de mise en place d'une ligne de transport électrique blindée dans une tranchée, par exemple une ligne électrique telle que décrite dans la demande de brevet française n°92 06 733 (FR-A-2 692 084) déposée par la Déposante. Ce type de pose pas à pas est en particulier destiné au terrains accidentés par exemple urbains ou rocheux.These figures 2 to 4 represent a construction site place of an armored electrical transmission line in a trench, for example an electric line as described in French patent application No. 92 06 733 (FR-A-2 692 084) filed by the Applicant. This type of laying step by step is particularly intended for rough terrain for example urban or rocky.

Une fois une piste 20 réalisée par dégagement de la couche superficielle de terre, la tranchée 22 est creusée à l'aide d'un engin de creusement, par exemple d'une pelleteuse 21. Les zones de jonction 23 sont tout d'abord préparées, formées d'une cuve bétonnée afin de permettre l'intervention éventuelle dans ces zones.Once a track 20 has been made by clearing the surface layer of earth, trench 22 is dug at using a digging machine, for example a backhoe 21. The junction zones 23 are first of all prepared, formed of a concrete tank to allow possible intervention in these areas.

Comme représenté sur la figure 1, au fur et à mesure que la tranchée est creusée par la pelleteuse 21, un engin de levage, par exemple une grue 24 met en place au fond de la tranchée 22 des dispositifs de soutènement 1. Au moment de leur pose, ces dispositifs 1 sont supportés par leur portique 4 et une fois posés leur agencement d'entretoise est mis dans sa position active et le portique peut être enlevé.As shown in Figure 1, as you go that the trench is dug by the excavator 21, a machine lifting for example a crane 24 sets up at the bottom of the trench 22 of the support devices 1. At the time of their installation, these devices 1 are supported by their gantry 4 and once installed their spacer arrangement is put in its active position and the gantry can be removed.

Une fois les panneaux de bardage mis en place entre au moins deux zones de jonction 23, comme représenté sur la figure 3, un atelier mobile 25 est amené sur la tranchée 22. Y est réalisé le montage de tronçons de ligne 26 pas à pas, ces tronçons étant au fur et à mesure suspendu aux portiques 4 reposés pas à pas sur les panneaux de bardage en place. Cette opération est poursuivie jusqu'à la zone de jonction 23 suivante.Once the cladding panels are in place, enter the minus two junction zones 23, as shown in the FIG. 3, a mobile workshop 25 is brought to the trench 22. Y is carried out the assembly of line sections 26 step by step, these sections being gradually suspended from the gantries 4 rested step by step on the siding panels in place. This operation is continued up to the junction area 23 next.

A ce moment, comme représenté sur la figure 4, l'ensemble des tronçons 26 est abaissé et posé au fond de la tranchée 22 grâce au palan 8, les agencements d'entretoise étant mis en position inactive.At this time, as shown in Figure 4, all of the sections 26 are lowered and placed at the bottom of the trench 22 thanks to the hoist 8, the spacer arrangements being put in the inactive position.

Claims (4)

  1. Apparatus (1) for shoring a trench (22) that is to receive elements that are to be buried, the apparatus comprising two cladding panels (2, 3) designed to be placed facing each other against the walls of the trench (22), and being characterized in that it further comprises:
    a bridge (4) for supporting the cladding panels (2, 3) and for putting them into place in the trench, the bridge comprising two uprights (5, 6) interconnected by a horizontal cross-member (7) and each fixed to a corresponding panel (2, 3) in releasable manner; and
    a removable spacer arrangement comprising at least one spacer that pivots about a vertical axis supported by at least one of the cladding panels (2, 3).
  2. Apparatus according to claim 1, characterized in that the bridge (4) includes a device (8, 9) for supporting and lowering the element to be buried.
  3. Apparatus according to either preceding claim, characterized in that each upright (5, 6) comprises two legs (51, 52, 61, 62) fixed to the corresponding panel (2, 3) by pins (53, 54, 63, 64) and each engaged in two U-shaped straps (31, 32) secured to the panel (2, 3) and each carried at its bottom end by a bracket (33) secured to the panel (2, 3).
  4. Apparatus according to any preceding claim, characterized in that the spacer arrangement comprises, on each panel (2, 3), a respective vertical bar (11) that is pivotable in two rings (12, 13) secured to the panel (2, 3), each of the two vertical bars (11) supporting two substantially horizontal bars (14, 15) of length substantially equal to half the width of the trench and being disposed facing the other bar when the cladding panels are put into place.
EP95401552A 1994-07-08 1995-06-28 Apparatus for shoring trenches Expired - Lifetime EP0691435B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9408493A FR2722219B1 (en) 1994-07-08 1994-07-08 TRENCH SUPPORT DEVICE
FR9408493 1994-07-08

Publications (2)

Publication Number Publication Date
EP0691435A1 EP0691435A1 (en) 1996-01-10
EP0691435B1 true EP0691435B1 (en) 1999-08-25

Family

ID=9465194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95401552A Expired - Lifetime EP0691435B1 (en) 1994-07-08 1995-06-28 Apparatus for shoring trenches

Country Status (5)

Country Link
EP (1) EP0691435B1 (en)
AT (1) ATE183791T1 (en)
DE (1) DE69511640T2 (en)
ES (1) ES2135676T3 (en)
FR (1) FR2722219B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1634567C3 (en) * 1965-08-21 1973-11-15 Helmut 5600 Wuppertalronsdorf Szukala Trench shoring equipment
DE2603245A1 (en) * 1976-01-29 1977-08-11 Emunds U Staudinger Fabrik Fue Trench support section removal - has chain connected to reinforcement sections and to outrigger of mechanical shovel digger
DE3109680A1 (en) * 1981-03-13 1982-09-23 Emunds & Staudinger GmbH & Co KG, 5142 Hückelhoven Device for extracting trench sheeting plates, sheet piles or the like

Also Published As

Publication number Publication date
DE69511640D1 (en) 1999-09-30
FR2722219A1 (en) 1996-01-12
ATE183791T1 (en) 1999-09-15
EP0691435A1 (en) 1996-01-10
ES2135676T3 (en) 1999-11-01
DE69511640T2 (en) 2000-04-06
FR2722219B1 (en) 1996-08-23

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