EP0502361B1 - Trench shoring device - Google Patents

Trench shoring device Download PDF

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Publication number
EP0502361B1
EP0502361B1 EP92102787A EP92102787A EP0502361B1 EP 0502361 B1 EP0502361 B1 EP 0502361B1 EP 92102787 A EP92102787 A EP 92102787A EP 92102787 A EP92102787 A EP 92102787A EP 0502361 B1 EP0502361 B1 EP 0502361B1
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EP
European Patent Office
Prior art keywords
cross
shoring
plate
trench
piece members
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
EP92102787A
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German (de)
French (fr)
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EP0502361A1 (en
Inventor
Josef Krings
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.)
Teska Verbautechnik GmbH
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Teska Verbautechnik GmbH
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Publication date
Application filed by Teska Verbautechnik GmbH filed Critical Teska Verbautechnik GmbH
Priority to AT92102787T priority Critical patent/ATE90983T1/en
Publication of EP0502361A1 publication Critical patent/EP0502361A1/en
Application granted granted Critical
Publication of EP0502361B1 publication Critical patent/EP0502361B1/en
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Expired - Lifetime legal-status Critical Current

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    • 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 invention relates to a trench shoring device with shoring panels and devices for receiving spacers that can be used between two parallel shoring panels and keep them at a distance, each shoring panel being formed by a plate body made of two parallel cover plates and between these web members made of sheet metal arranged in the longitudinal direction of the shoring panel (longitudinal trench direction) are penetrated by reinforcing tubes arranged perpendicular to the longitudinal axes of the web members, and a plate frame which delimits the plate body is formed, which consists of an upper Ambostraverse, a lower end profile and side end profiles.
  • the invention has for its object a trench shoring device to create, which is designed so that it has the required static strength with a small wall thickness and at the same time offers the possibility to keep the required trench profile width small.
  • FIG. 1 and 2 show a shoring plate 1 for a trench shoring device according to the invention.
  • This shoring plate 1 is designed as a so-called "shaft plate”.
  • the shoring plate consists of a plate body 2, the construction of which will be explained separately, and a plate frame 3.
  • the plate frame 3 is formed by an upper frame part designed as an ambostractor 4, which is equipped with eyelets 5 for the crane attack, a lower end profile 6, to which a cutting edge 8 can be attached, and side end profiles 7, which form the vertical end faces of the plate body 2 limit.
  • the lateral end profiles 7 are designed as U-profiles, which are used to hold the support shoes, not shown, of the struts that keep the sheeting plates 1 at a distance. Compared to hitherto custom shoring panels, these lateral end profiles 7 lie in the general shoring panel level, so that the mounting rail formed by them for the support shoes does not protrude in front of the side of the shoring panel 1 facing the interior of the trench. This can have notches 13 at the points where retaining bolts for supporting shoes of the struts are provided in the lateral end profiles (not shown).
  • the side end profile 7 can also consist of three welded U or C profiles.
  • Two U or C profiles 9, 10 are welded to each other with legs facing each other with the legs of a further U or C profile 11 arranged between them, which opens towards the interior of the trench.
  • This U or C profile 11 is dimensioned such that it supports the support shoes (not shown) located at the ends of the struts is able to record.
  • the U or C profiles 9, 10 can be provided with notches 13 at those points where the middle U or C profile 11 has bores for receiving retaining bolts 12 for the support shoes.
  • FIG. 5 to 7 show details of a plate body 2.
  • This consists of a rear cover plate 23 facing the trench wall, with web members 24 which are bent or folded in a trapezoidal cross-section and which are fastened to it at a parallel distance from one another in the horizontal direction, e.g. are welded, as well as a front cover plate 25 (pointing towards the inside of the trench), which is also provided with web members 24 arranged at a parallel distance from one another.
  • the web members 24 of the two plate body halves are arranged offset from one another so that they can be nested and firmly connected to one another.
  • the connection is advantageously made by means of adhesive in order to largely avoid thermal tension and to ensure simpler production.
  • Reinforcement tubes 27 extend perpendicular to the longitudinal axes of the web members 24, which are trapezoidal in cross section, through the plate body 2 and through the side surfaces 26 of the web members 24.
  • FIG. 8 shows a cross section through part of a plate body 2, on the trench-side (outer) cover plate 23 trapezoidally folded or edged web members 24 are welded with a parallel spacing from one another and web members arranged horizontally over the cover plate 23.
  • this part corresponds to the construction of the left half of the plate in Fig. 6.
  • the web members 24 are arranged such that the edges of the cover surfaces 28 of adjacent web members 24 are at a distance which is the same as the width of the part of the cover plate 23 which serves as the base surface 29.

Description

Die Erfindung betrifft eine Grabenverbauvorrichtung mit Verbauplatten und Einrichtungen zur Aufnahme von zwischen zwei parallelen Verbauplatten einsetzbaren und diese auf Abstand haltenden Spreizen, wobei jede Verbauplatte durch einen Plattenkörper aus zwei parallelen Deckblechen und zwischen diesen in Längsrichtung der Verbauplatte (Grabenlängsrichtung) angeordneten Steggliedern aus Blech, welche von zu den Längsachsen der Stegglieder senkrecht angeordneten Verstärkerrohren durchzogen sind, sowie einen den Plattenkörper begrenzenden Plattenrahmen gebildet ist, welcher aus einer oberen Ambostraverse, einem unteren Abschlußprofil und seitlichen Abschlußprofilen besteht.The invention relates to a trench shoring device with shoring panels and devices for receiving spacers that can be used between two parallel shoring panels and keep them at a distance, each shoring panel being formed by a plate body made of two parallel cover plates and between these web members made of sheet metal arranged in the longitudinal direction of the shoring panel (longitudinal trench direction) are penetrated by reinforcing tubes arranged perpendicular to the longitudinal axes of the web members, and a plate frame which delimits the plate body is formed, which consists of an upper Ambostraverse, a lower end profile and side end profiles.

Eine gattungsgemäße Vorrichtung ist durch die DE 29 48 458 B1 bekannt.A generic device is known from DE 29 48 458 B1.

Eine wesentliche Forderung des modernen Grabenverbaus ist es, ein möglichst kleines Grabenprofil anzustreben. Bei der bekannten Verbauvorrichtung muß deshalb ein relativ breites Grabenprofil vorgesehen werden, weil von der Innenwand der Verbauplatten vorstehende Befestigungs- und Führungsmittel das für einen einzubauenden Kanal oder eine Rohrleitung erforderliche Lumen des Grabens einengen. Ferner erfordert die Konstruktion der bekannten Verbauplatten relativ große Plattenstärken, um den statischen Anforderungen zu genügen.An essential requirement of modern trench sheeting is to strive for the smallest possible trench profile. In the known shoring device, a relatively wide trench profile must therefore be provided because the fastening and guiding means protruding from the inner wall of the shoring panels constrict the lumen of the trench required for a duct or a pipeline to be installed. Furthermore, the construction of the known shoring panels requires relatively large panel thicknesses in order to meet the static requirements.

Der Erfindung liegt die Aufgabe zugrunde, eine Grabenverbauvorrichtung zu schaffen, die so ausgebildet ist, daß sie bei geringer Wandstärke die erforderliche statische Festigkeit aufweist und zugleich die Möglichkeit bietet, die erforderliche Grabenprofilbreite gering halten zu können.The invention has for its object a trench shoring device to create, which is designed so that it has the required static strength with a small wall thickness and at the same time offers the possibility to keep the required trench profile width small.

Diese Aufgabe wird gemäß der Erfindung durch eine gattungsgemäße Grabenverbauvorrichtung mit den im kennzeichnenden Teil des Anspruchs 1 oder des Anspruches 2 genannten Merkmalen gelöst.This object is achieved according to the invention by a generic trench shoring device with the features mentioned in the characterizing part of claim 1 or claim 2.

Eine besonders hohe Gewichtsverminderung bei ausreichenden statischen Werten ergibt sich beim Gegenstand nach dem Anspruch 2.A particularly high reduction in weight with sufficient static values results in the article according to claim 2.

Besondere Ausführungsarten der Erfindung sind in den Unteransprüchen angegeben.Particular embodiments of the invention are specified in the subclaims.

Nachstehend sind Ausführungsbeispiele der Erfindung anhand der Zeichnung näher erläutert. Es zeigen:

  • Fig. 1 eine teilweise Ansicht einer Verbauplatte nach der Erfindung,
  • Fig. 2 eine Draufsicht zu Fig.1
  • Fig. 3 einen vergrößerten Querschnitt durch ein seitliches Abschlußprofil einer Verbauplatte nach einem Schnitt III-III in Fig.4
  • Fig. 4 eine Ansicht in Richtung IV der Fig.3
  • Fig. 5 einen lotrechten, vergrößerten Längsschnitt durch eine Ausführungsform einer Verbauplatte nach der Erfindung,
  • Fig. 6 eine Explosionsdarstellung zu Fig.5,
  • Fig. 7 eine Teilansicht zu Fig.5 und
  • Fig. 8 einen Querschnitt durch ein Teilstück einer anderen Ausführungsform eines Plattenkörpers
Exemplary embodiments of the invention are explained in more detail below with reference to the drawing. Show it:
  • 1 is a partial view of a shoring plate according to the invention,
  • Fig. 2 is a plan view of Fig.1
  • 3 shows an enlarged cross section through a lateral end profile of a shoring plate according to a section III-III in FIG
  • Fig. 4 is a view in the direction IV of Fig.3
  • 5 is a vertical, enlarged longitudinal section through an embodiment of a shoring plate according to the invention,
  • 6 shows an exploded view of FIG. 5,
  • Fig. 7 is a partial view of Fig.5 and
  • Fig. 8 shows a cross section through a section of another embodiment of a plate body

Die Fig. 1 und 2 zeigen eine Verbauplatte 1 für eine Grabenverbauvorrichtung nach der Erfindung. Diese Verbauplatte 1 ist als sogenannte "Schachtplatte" ausgebildet. Je zwei paarweise geenüberstehende Schachtplatten, die durch Spreizen auf Abstand gehalten sind, bilden eine Verbauvorrichtung.1 and 2 show a shoring plate 1 for a trench shoring device according to the invention. This shoring plate 1 is designed as a so-called "shaft plate". Two pairs of shaft plates protruding in pairs, which are kept at a distance by spreading, form a shoring device.

Wie die Zeichnung zeigt, besteht die Verbauplatte aus einem Plattenkörper 2, dessen Aufbau noch gesondert erläutert wird, und einem Plattenrahmen 3.As the drawing shows, the shoring plate consists of a plate body 2, the construction of which will be explained separately, and a plate frame 3.

Der Plattenrahmen 3 wird gebildet von einem als Ambostraverse 4 ausgebildeten oberen Rahmenteil, das mit Osen 5 für den Kranangriff ausgestattet ist, einem unteren Abschlußprofil 6, an das eine Schneide 8 angesetzt sein kann, sowie seitlichen Abschlußprofilen 7, die die lotrechten Stirnseiten des Plattenkörpers 2 begrenzen.The plate frame 3 is formed by an upper frame part designed as an ambostractor 4, which is equipped with eyelets 5 for the crane attack, a lower end profile 6, to which a cutting edge 8 can be attached, and side end profiles 7, which form the vertical end faces of the plate body 2 limit.

Wie Fig.2 zeigt, sind die seitlichen Abschlußprofile 7 als U-Profile ausgebildet, die zur Aufnahme von nicht dargestellten Stützschuhen der die Verbauplatten 1 auf Abstand haltenden Spreizen dienen. Gegenüber bisher üblichen Verbauplatten liegen diese seitlichen Abschlußprofile 7 in der allgemeinen Verbauplattenebene, so daß die von ihnen gebildete Aufnahmeschiene für die Stützschuhe nicht vor der dem Grabeninnern zugewandten Seite der Verbauplatte 1 vorstehen. Diese kann an den Stellen, wo in den seitlichen Abschlußprofilen (nicht dargestellte) Haltebolzen für Stützschuhe der Spreizen vorgesehen sind, Ausklinkungen 13 aufweisen.As shown in FIG. 2, the lateral end profiles 7 are designed as U-profiles, which are used to hold the support shoes, not shown, of the struts that keep the sheeting plates 1 at a distance. Compared to hitherto custom shoring panels, these lateral end profiles 7 lie in the general shoring panel level, so that the mounting rail formed by them for the support shoes does not protrude in front of the side of the shoring panel 1 facing the interior of the trench. This can have notches 13 at the points where retaining bolts for supporting shoes of the struts are provided in the lateral end profiles (not shown).

Wie in den Fig. 3 und 4 gezeigt, kann das seitliche Abschlußprofil 7 auch aus drei miteinander verschweißten U- oder C-Profilen testehen. Dabei sind zwei U- bzw. C-Profile 9,10 mit einander zugewandten Schenkeln mit den Schenkeln eines dazwischen angeordneten weiteren U- bzw.C-Profiles 11 verschweißt, welches sich zum Grabeninnern hin öffnet. Dieses U- bzw. C-Profil 11 ist so bemessen, daß es die an den Enden der Spreizen befindlichen, (nicht dargestellten) Stützschuhe formschlüssig aufzunehmen vermag.As shown in Figs. 3 and 4, the side end profile 7 can also consist of three welded U or C profiles. Two U or C profiles 9, 10 are welded to each other with legs facing each other with the legs of a further U or C profile 11 arranged between them, which opens towards the interior of the trench. This U or C profile 11 is dimensioned such that it supports the support shoes (not shown) located at the ends of the struts is able to record.

Wie Fig.4 zeigt, können die U- bzw. C-Profile 9,10 an denjenigen Stellen, wo das mittlere U- bzw. C-Profil 11 Bohrungen zur Aufnahme von Haltebolzen 12 für die Stützschuhe aufweist, mit Ausklinkungen 13 versehen sein.As FIG. 4 shows, the U or C profiles 9, 10 can be provided with notches 13 at those points where the middle U or C profile 11 has bores for receiving retaining bolts 12 for the support shoes.

Die Fig.5 bis 7 zeigen Einzelheiten eines Plattenkörpers 2. Dieser besteht aus einem rückwärtigen, der Grabenwand zugewandten Deckblech 23, mit im Querschritt trapezförmig abgekanteten oder gefalteten Steggliedern 24 aus Blech, die im parallelen Abstand zueinander in waagerechter Richtung daran befestigt, z.B. angeschweißt sind, sowie einem vorderen (zum Grabeninnern weisenden) Deckblech 25, das ebenfalls mit in parallelem Abstand zueinander angeordneten Steggliedern 24 versehen ist. Die Stegglieder 24 der beiden Plattenkörperhälften sind so zueinander versetzt angeordnet, daß sie ineinandergesetzt und miteinander fest verbunden werden können. Die Verbindung erfolgt vorteilhaft mittels Kleber, um thermische Verspannungen weitgehend zu vermeiden und eine einfachere Fertigung sicher zu stellen. Senkrecht zu den Längsachsen der im Querschnitt trapezförmig ausgebildeten Stegglieder 24 erstrecken sich durch den Plattenkörper 2 und durch die Seitenflächen 26 der Stegglieder 24 Verstärkungsrohre 27.5 to 7 show details of a plate body 2. This consists of a rear cover plate 23 facing the trench wall, with web members 24 which are bent or folded in a trapezoidal cross-section and which are fastened to it at a parallel distance from one another in the horizontal direction, e.g. are welded, as well as a front cover plate 25 (pointing towards the inside of the trench), which is also provided with web members 24 arranged at a parallel distance from one another. The web members 24 of the two plate body halves are arranged offset from one another so that they can be nested and firmly connected to one another. The connection is advantageously made by means of adhesive in order to largely avoid thermal tension and to ensure simpler production. Reinforcement tubes 27 extend perpendicular to the longitudinal axes of the web members 24, which are trapezoidal in cross section, through the plate body 2 and through the side surfaces 26 of the web members 24.

Diese Konstruktion ermöglicht eine einfache und preiswerte Fertigung und führt zu Verbauplatten, deren statische Werte diejenigen bekannter vergleichbarer Verbauplatten um ein mehrfaches übertreffen.This construction enables simple and inexpensive production and leads to sheeting panels, the static values of which exceed those of known comparable sheeting panels by a multiple.

Dies wiederum eröffnet die Möglichkeit, die Abmessungen der Verbauplatten und damit deren Gewicht beträchtlich zu verringern, was wiederum den Vorteil erbringt, mit einer LKW-Ladung mehr Verbaumaterial transportieren zu können. Zugleich wird insbesondere auch die Forderung erfüllt, die erforderlichen Grabenprofile verkleinern zu können.This in turn opens up the possibility of considerably reducing the dimensions of the shoring panels and thus their weight, which in turn has the advantage of being able to transport more shoring material with a truck load. At the same time in particular also fulfilled the requirement to be able to reduce the required trench profiles.

Eine einfachere und ebenfalls feste und vorteilhafte Ausführungsform eines Plattenkörpers 2 ist in Fig.8 dargestellt. Die Fig.8 zeigt einen Querschnitt durch einen Teil eines Plattenkörpers 2, auf dessen grabenseitigem (äußerem) Deckblech 23 im Querschnitt trapezförmig gefaltete oder gekantete Stegglieder 24 mit parallelem Abstand zueinander und waagerecht über das Deckblech 23 angeordnete Stegglieder angeschweißt sind. Insoweit entspricht dieser Teil der Konstruktion der linken Plattenhälfte in Fig.6. Die Stegglieder 24 sind so zueinander angeordnet, daß die Kanten der Deckflächen 28 benachbarter Stegglieder 24 einen Abstand aufweisen, der der Breite des als Basisfläche 29 dienenden Teiles des Deckbleches 23 gleich ist. Diese Kanten sind durch angeschweißte Blechplatten 30 miteinander verbunden, die mit den Deckflächen 28 der Stegglieder 24 das innere Deckblech 25 der Konstruktion nach den Fig. 8-10 ersetzen. Durch die Stegglieder 24 erstrecken sich, wie bei den anderen Konstruktionen die Verstärkungsrohre 27.A simpler and also firm and advantageous embodiment of a plate body 2 is shown in FIG. 8 shows a cross section through part of a plate body 2, on the trench-side (outer) cover plate 23 trapezoidally folded or edged web members 24 are welded with a parallel spacing from one another and web members arranged horizontally over the cover plate 23. In this respect, this part corresponds to the construction of the left half of the plate in Fig. 6. The web members 24 are arranged such that the edges of the cover surfaces 28 of adjacent web members 24 are at a distance which is the same as the width of the part of the cover plate 23 which serves as the base surface 29. These edges are connected to one another by welded-on sheet metal plates 30 which, with the cover surfaces 28 of the web members 24, replace the inner cover plate 25 of the construction according to FIGS. 8-10. The reinforcing tubes 27 extend through the web members 24, as in the other constructions.

Durch diese Ausführungsform wird eine enorme Gewichtsersparnis erzielt. Darüber hinaus werden Einpassungsschwierigkeiten erspart, die beim Zusammenfügen der Plattenhälften nach den Fig. 5 bis 7 nicht immer auszuschließen sind.With this embodiment, enormous weight savings are achieved. In addition, fitting difficulties are spared, which cannot always be ruled out when joining the plate halves according to FIGS. 5 to 7.

Claims (4)

  1. Trench shoring device having shoring plates and means for accommodating struts, which are insertable between two parallel shoring plates and keep the latter spaced apart, each shoring plate being formed by a plate body, which comprises two parallel cover sheets and sheet metal cross-piece members, which are disposed between said cover sheets when viewed in the longitudinal direction of the shoring plate (longitudinal direction of the trench) and which are traversed by reinforcing pipes, which are disposed at right angles relative to the longitudinal axes of the cross-piece members, and being formed from a plate frame, which defines the plate body and comprises an upper anvil-type cross-bar, a lower edging profile and lateral edging profiles, characterised in that each cover sheet (23, 25) is connected to cross-piece members (24), which comprise folded or bent bodies which are welded to the cover sheet (23, 25) and have a trapezoidal cross-section, a portion of each cover sheet (23, 25) forming the bottom end (29) of the trapezium, in that these cross-piece members (24), which extend horizontally over the cover sheets (23, 25), are spaced from one another at their base with a spacing which is identical to the width of the top end (28) of the cross-piece member (24), in that the cross-piece members (24) of one of the two cover sheets (23) of a shoring plate (1) are disposed opposite the cross-piece members (24) of the other cover sheet (25) so as to be offset therefrom at right angles relative to the longitudinal axis of the cross-piece members (23, 25) and are securedly connected to the respective cover sheet (23 or 25) which is situated opposite thereto, and in that the lateral edging profiles (7), which lie in the plane of the shoring plate, are open at the end facing the trench interior and are so adapted that they permit the interlocking accommodation of supporting shoes, which are disposed at the ends of the struts, and in that they do not protrude beyond the end of the shoring plate (1) facing the trench interior.
  2. Trench shoring device having shoring plates and means for accommodating struts, which are insertable between two parallel shoring plates and keep the latter spaced apart, each shoring plate being formed by a plate body, which comprises two parallel cover sheets and sheet metal cross-piece members, which are disposed between said cover sheets when viewed in the longitudinal direction of the shoring plate (longitudinal direction of the trench) and which are traversed by reinforcing pipes, which are disposed at right angles relative to the longitudinal axes of the cross-piece members, and being formed from a plate frame, which defines the plate body and comprises an upper anvil-type cross-bar, a lower edging profile and lateral edging profiles, characterised in that the cover sheet (23) at the trench end is connected to cross-piece members (24), which comprise folded or bent bodies which are welded to the cover sheet (23) and have a trapezoidal cross-section, a portion of the cover sheet (23) forming the bottom end (29) of the trapezium, in that these cross-piece members (24), which extend horizontally over the cover sheet (23), are spaced from one another at their base with a spacing which is identical to the width of the top end (28) of the cross-piece member (24), in that the edges of the top ends (28) of two adjacent cross-piece members (24) and of one cross-piece member (24) and of the lateral edging profile (7), adjacent thereto, are interconnected by means of welded sheet metal plates (30), which form an internal cover sheet with the top ends (28) of these cross-piece members (24), and in that the lateral edging profiles (7), which lie in the plane of the shoring plate, are open at the end facing the trench interior and are so adapted that they permit the interlocking accommodation of supporting shoes, which are disposed at the ends of the struts, and in that they do not protrude beyond the end of the shoring plate (1) facing the trench interior.
  3. Trench shoring device according to claim 1 or claim 2, characterised in that the lateral edging profiles (7) are formed from two U- or C-shaped profiles (9, 10), which face one another with their legs, and an additional U- or C-shaped profile (11), which is rotated through 90° relative to said profiles and disposed therebetween, said U- or C-shaped profile being open towards the trench interior and being adapted for the interlocking accommodation of supporting shoes, which are disposed at the ends of the struts.
  4. Trench shoring device according to claim 1 or claim 3, characterised in that the cross-piece members (24) of one plate half and those of the other plate half are each adhered to the respective cover sheet (23, 25), associated therewith, of the other plate half.
EP92102787A 1991-03-02 1992-02-20 Trench shoring device Expired - Lifetime EP0502361B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT92102787T ATE90983T1 (en) 1991-03-02 1992-02-20 TRENCH Shoring Device.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4106698 1991-03-02
DE4106698 1991-03-02
DE4111266A DE4111266C1 (en) 1991-03-02 1991-04-08
DE4111266 1991-04-08

Publications (2)

Publication Number Publication Date
EP0502361A1 EP0502361A1 (en) 1992-09-09
EP0502361B1 true EP0502361B1 (en) 1993-06-23

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EP92102787A Expired - Lifetime EP0502361B1 (en) 1991-03-02 1992-02-20 Trench shoring device

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US (1) US5180256A (en)
EP (1) EP0502361B1 (en)
JP (1) JPH04319115A (en)
DE (1) DE4111266C1 (en)
ES (1) ES2042347T3 (en)

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DE9413807U1 (en) * 1994-08-30 1994-10-20 Emunds & Staudinger Gmbh & Co Large shoring plate
US5902075A (en) * 1994-09-12 1999-05-11 Wolfgang Richter Trench falsework system
DE4432465A1 (en) * 1994-09-12 1996-03-14 Richter Wolfgang Ing Grad Sheeting plate
US7048471B2 (en) * 2000-04-05 2006-05-23 Maksim Kadiu Shoring device
US6821057B1 (en) * 2000-04-05 2004-11-23 Maksim Kadiu Magnetic shoring device
DE10113818A1 (en) * 2001-03-21 2002-09-26 Richter Wolfgang Construction plate for lining a pit to secure the walls of a pipeline trench has recesses with removable bolt couplings for rotatably fixing braces about horizontal axes in pit lining
US7056067B2 (en) * 2003-10-03 2006-06-06 Max Kadiu Trench shoring device
AU348085S (en) * 2013-02-21 2013-04-16 Lite Guard Safety Solutions Pty Ltd Shield panel
USD736961S1 (en) * 2013-11-21 2015-08-18 Lite Guard Safety Solutions Pty Ltd Shield panel
USD737474S1 (en) * 2013-11-21 2015-08-25 Lite Guard Safety Solutions Pty Ltd Shield panel

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ES441608A1 (en) * 1975-10-08 1976-02-16 Arana Sagasta Arrangements used for shoring excavations in the ground
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DE2948458C2 (en) * 1979-12-01 1982-01-21 Josef 5138 Heinsberg Krings Shoring plate for a trench sheeting device
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Publication number Publication date
US5180256A (en) 1993-01-19
ES2042347T3 (en) 1993-12-01
JPH04319115A (en) 1992-11-10
DE4111266C1 (en) 1992-09-17
EP0502361A1 (en) 1992-09-09

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