EP0103706A1 - Dispositif de soutènement pour l'étayage de tranchées - Google Patents

Dispositif de soutènement pour l'étayage de tranchées Download PDF

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Publication number
EP0103706A1
EP0103706A1 EP83107326A EP83107326A EP0103706A1 EP 0103706 A1 EP0103706 A1 EP 0103706A1 EP 83107326 A EP83107326 A EP 83107326A EP 83107326 A EP83107326 A EP 83107326A EP 0103706 A1 EP0103706 A1 EP 0103706A1
Authority
EP
European Patent Office
Prior art keywords
hydraulic cylinders
formwork
sheeting
shoring
formwork wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83107326A
Other languages
German (de)
English (en)
Other versions
EP0103706B1 (fr
Inventor
Heinz Brecht
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.)
Brecht Heinz
Original Assignee
Individual
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
Priority claimed from DE19823234440 external-priority patent/DE3234440A1/de
Application filed by Individual filed Critical Individual
Publication of EP0103706A1 publication Critical patent/EP0103706A1/fr
Application granted granted Critical
Publication of EP0103706B1 publication Critical patent/EP0103706B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • 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
    • E02D17/086—Travelling trench shores

Definitions

  • the invention relates to a shoring basket that can be lowered into the floor for the continuously progressing shoring of a sewer trench for the installation of conduit pipes, formed from two mutually spaced supporting walls, which are formed from stackable formwork walls, and arranged on the rear end face of the shoring basket, on the the soil filled in there via horizontally acting hydraulic cylinders mounted on top of one another.
  • the pressurized soil rises along the sliding surface (sliding curve) of the passive earth pressure (final resistance) and takes the sheeting cage upwards . Seen as a whole, when the sheeting cage is pushed forward, it is always one by one across the sheeting cage arranged axis effective torque that lowers the shoring at the front and raises it at the rear.
  • the measures that are taken against this range from high-altitude fins attached to the front edge, which cut into the ground, to support bogies that run either on the underground of the canal ditch or on the surface of the earth.
  • the vertical fins can only be used with soil that can be cut, but not when the soil is interspersed with larger boulders or with rock and are only slightly effective.
  • the undercarriages take up a lot of space, especially in the baggage area; they also require a well-bearing subsurface that is not always available and hinder the excavation work considerably.
  • An undercarriage arranged on the surface of the earth is also a hindrance to the excavation and transport work. Such a supporting undercarriage cannot be used in many cases at all, since such shoring baskets are used precisely where there is little space due to construction.
  • the pressure shields can only be used partially for advancing the sheeting cage.
  • support structures may have to be drawn into the ground in order to be able to use the pressure of the hydraulic cylinders on the shields so that the sheeting cage can be pushed forward at all.
  • the invention has set itself the task of specifying a construction that counteracts the torque mentioned, that is to say keeps the sheeting cage at the same height and also allows displacement of the sheeting cage when the force is on the back Shields acting hydraulic cylinders cannot be used.
  • This is achieved according to the invention arranged by the seat faces of the successive q eachen formwork walls, acting approximately in the longitudinal direction of the formwork walls on one side to the upper, on the other hand connected to the lower Schalunqswand, double-acting hydraulic cylinder.
  • the stacked formwork walls form a rigid unit, but these stacked formwork walls can be mutually displaced in the lengthening direction by the action of the double-acting hydraulic cylinders arranged on the seat surfaces .
  • This has the advantage that, if the force of the hydraulic cylinders acting on the pressure shields cannot be used, the individual shuttering wall surfaces can be pushed forward one after the other by means of these cylinders, whereby the entire shoring cage also moves forward, but also, due to the special arrangement of the hydraulic cylinders, that a height correction of the formwork wall surfaces can be made to each other.
  • the hydraulic cylinders inserted between the formwork walls should cancel this torque when the shoring cage is pushed forward. This can be done by first pushing the upper formwork wall with the help of Schild-Hydraulik or without this cooperation, solely by the force of the hydraulic cylinders arranged between the formwork wall surfaces, these hydraulic cylinders due to their somewhat oblique arrangement or by mutual guides between the two formwork wall surfaces in addition to the longitudinal force also have an upward force.
  • the upper formwork walls are thereby advanced at the same level and then level, using the same hydraulic cylinders, the lower formwork wall if tightened again at the same level.
  • the arrangement of the hydraulic cylinders should be such that the front cylinder in the advancing direction is articulated at the front on the upper formwork wall.
  • two or more hydraulic cylinders can be arranged one behind the other, whereby a hydraulic cylinder can also be articulated in the advancing direction at the front on the lower formwork wall, so that - in exceptional cases - the lower formwork wall can also be pressed down.
  • the invention further proposes that the hydraulic cylinders are each articulated to a pendulum lever, the pendulum bearing of which is fastened to the upper formwork wall and the free end of which in one the lower Schalunaswand arranged sliding bearing engages.
  • the hydraulic cylinders arranged on the seating surfaces of the stacked formwork walls no longer act on the upper boundary of the lower formwork wall, but on the attachment point of the sliding bearing, which is expediently chosen to be as deep as possible, in any case below half the height of the lower formwork wall . It is avoided by this hydraulic cylinder exerting a downward force on the lower formwork wall, which is caused by the fact that the lower formwork wall is braked overall by the soil, but the feed force acts on the top of the lower formwork wall and thus a Is initiated, the pushes the front of the formwork wall down or the back of this formwork wall upwards.
  • An upper formwork wall 2 is slidably mounted on a lower formwork wall 1.
  • 3, 4 movable shields 5, 6 are attached via hydraulic cylinders.
  • the hydraulic cylinder 7, which is in the direction of advance 9, is articulated at the front on the upper formwork wall 2 (10); the hydraulic cylinder 8 located behind it is also articulated like the hydraulic cylinder 7 with its base on the lower formwork wall 1; however, its upper articulation point 11 on the upper formwork wall 2 lies behind its base point on the lower formwork wall 1.
  • a guide 13 Attached to the front edge 12 of the sheeting cage is a guide 13, which can be adjusted in its angular position around a pivot point 14, as shown in dashed lines.
  • the same guide 31, but without adjustability, is attached to the rear of the shoring cage and prevents lifting of the upper weigher 2.
  • Dash-dotted lines show the baqqer area 15 on the front edge 12 of the shoring cage, and the dashed curve 16 of the passive earth pressure is also drawn in dash-dots on the back of the shoring cage.
  • FIG. 2 shows the guide 13, which consists of a guide rail 17 and a guide block 18.
  • the guide block 18 is connected to the lower formwork wall 1 via a removable bolt 19 and a bearing block 20.
  • the guide rail 17, however, is adjustably attached to the upper formwork wall 2 in its angular position.
  • the guide block 18 slides in the guide rail 17, so that the upper formwork wall 2 moves relative to the lower formwork wall 1, depending on the position of the guide 13.
  • the lower formwork wall 1 is also, again either simply by the hydraulic cylinder 3, or with the participation of the hydraulic cylinders 7, 8, so that the uniform formwork wall shown again results.
  • the required angular position of the guide 13 can be set.
  • FIG. 3 shows the construction in which a hydraulic cylinder 27 arranged on the lower flange of the formwork wall 2 acts on a pendulum lever 21.
  • This pendulum lever 21 is articulated with its pendulum bearing 22 on the lower flange 23 of the upper formwork wall 2. With its free end, the pendulum lever 21 engages in a sliding bearing 24, which is formed from two support roller bearings 25, 26 resting on the pendulum lever 21 on both sides.
  • the hydraulic cylinder 27 is articulated on the pendulum lever 21 (28); on the other hand, the hydraulic cylinder 27 is pivotally attached to the lower flange 23 of the upper formwork wall 2.
  • the hydraulic cylinder 27 presses the pendulum lever 21 in the direction of the front of this lower formwork wall 1, so that the pendulum lever 21 articulated on the upper formwork wall 2 moves the lower formwork wall 1 to the front via the sliding bearing 24.
  • a torque is created which tends to lead the front of this lower formwork wall 1 upwards.
  • the upper formwork wall 2 can also be advanced via the double-acting hydraulic cylinder 27.
  • the shields 5, 6, which can also be moved via hydraulic cylinders.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
EP83107326A 1982-09-17 1983-07-26 Dispositif de soutènement pour l'étayage de tranchées Expired EP0103706B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823234440 DE3234440A1 (de) 1982-01-29 1982-09-17 Verbaukorb zum verbau eines kanalgrabens
DE3234440 1982-12-20

Publications (2)

Publication Number Publication Date
EP0103706A1 true EP0103706A1 (fr) 1984-03-28
EP0103706B1 EP0103706B1 (fr) 1986-05-14

Family

ID=6173429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83107326A Expired EP0103706B1 (fr) 1982-09-17 1983-07-26 Dispositif de soutènement pour l'étayage de tranchées

Country Status (3)

Country Link
US (1) US4521137A (fr)
EP (1) EP0103706B1 (fr)
DE (1) DE3363513D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019253A1 (fr) * 1992-03-19 1993-09-30 Walbroehl H T Bouclier porte-lames pour le creusement de tranchees ouvertes dans le sol
EP0585657A1 (fr) * 1992-09-02 1994-03-09 JOSEF MÖBIUS BAUGESELLSCHAFT (GmbH & Co.) Dispositif pour le remplacement du sol, particulièrement à proximité de routes et de bâtiments
EP0609872A1 (fr) * 1993-02-05 1994-08-10 LEONHARD WEISS GmbH & Co. NIEDERLASSUNG CRAILSHEIM Méthode et dispositif pour la consolidation en profondeur du sol

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874271A (en) * 1986-12-22 1989-10-17 Arnold Jimmie D Self-propelled trench shoring machine
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
US7056067B2 (en) * 2003-10-03 2006-06-06 Max Kadiu Trench shoring device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2214139A1 (de) * 1971-01-26 1972-10-05 Unis-Fond S.A., Nanterre (Frankreich) Grabenausbauvorrichtung
GB1512204A (en) * 1975-06-13 1978-05-24 Goldsby E Trench shields
DE2706243A1 (de) * 1977-02-15 1978-08-17 Gewerk Eisenhuette Westfalia Messerschild, insbesondere fuer den offenen grabenverbau
DE3017058A1 (de) * 1980-05-03 1981-11-12 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen Anordnung beim fortschreitenden verbau offener baugraeben u.dgl.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1295381A (fr) * 1970-03-25 1972-11-08
US3820345A (en) * 1972-07-14 1974-06-28 H Brecht Apparatus for laying pipe
US3813886A (en) * 1973-01-02 1974-06-04 G Alacchi Travelling shoring apparatus
US3967454A (en) * 1975-02-03 1976-07-06 Barnes Miles W Trench shoring apparatus
DE2555317A1 (de) * 1975-12-09 1977-06-23 Gewerk Eisenhuette Westfalia Verbauschild fuer das auffahren von tunneln, stollen u.dgl. sowie vortriebsmesser fuer einen verbauschild
DE2604316C3 (de) * 1976-02-05 1985-06-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Führungs- und Richteinrichtung für rückbare Ausbaugestelle
DE2706024C2 (de) * 1977-02-12 1986-01-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Messerschild-Vortriebseinrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2214139A1 (de) * 1971-01-26 1972-10-05 Unis-Fond S.A., Nanterre (Frankreich) Grabenausbauvorrichtung
GB1512204A (en) * 1975-06-13 1978-05-24 Goldsby E Trench shields
DE2706243A1 (de) * 1977-02-15 1978-08-17 Gewerk Eisenhuette Westfalia Messerschild, insbesondere fuer den offenen grabenverbau
DE3017058A1 (de) * 1980-05-03 1981-11-12 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen Anordnung beim fortschreitenden verbau offener baugraeben u.dgl.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019253A1 (fr) * 1992-03-19 1993-09-30 Walbroehl H T Bouclier porte-lames pour le creusement de tranchees ouvertes dans le sol
EP0585657A1 (fr) * 1992-09-02 1994-03-09 JOSEF MÖBIUS BAUGESELLSCHAFT (GmbH & Co.) Dispositif pour le remplacement du sol, particulièrement à proximité de routes et de bâtiments
EP0609872A1 (fr) * 1993-02-05 1994-08-10 LEONHARD WEISS GmbH & Co. NIEDERLASSUNG CRAILSHEIM Méthode et dispositif pour la consolidation en profondeur du sol

Also Published As

Publication number Publication date
EP0103706B1 (fr) 1986-05-14
US4521137A (en) 1985-06-04
DE3363513D1 (en) 1986-06-19

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