EP2010717B1 - Procédé de blindage de tranchées - Google Patents

Procédé de blindage de tranchées Download PDF

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Publication number
EP2010717B1
EP2010717B1 EP07728529A EP07728529A EP2010717B1 EP 2010717 B1 EP2010717 B1 EP 2010717B1 EP 07728529 A EP07728529 A EP 07728529A EP 07728529 A EP07728529 A EP 07728529A EP 2010717 B1 EP2010717 B1 EP 2010717B1
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EP
European Patent Office
Prior art keywords
pair
linear guides
shoring
guide
supports
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EP07728529A
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German (de)
English (en)
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EP2010717A2 (fr
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Wilhelm Hess
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Individual
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Individual
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Priority claimed from DE200610019236 external-priority patent/DE102006019236B4/de
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Priority to EP07728529A priority Critical patent/EP2010717B1/fr
Priority to PL07728529T priority patent/PL2010717T3/pl
Publication of EP2010717A2 publication Critical patent/EP2010717A2/fr
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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 method for trenching, in particular the construction of deeper trenches.
  • the vertically extending linear guides for the expansion frame are arranged in pairs of mutually opposing supports which are inserted into the trench.
  • One or more SpSONen run between the two supports of a pair of supports.
  • lining panels are fastened between two successive columns. In practice, on each trench side, the first vertical edge of a lining panel is held by a front pillar, and the second vertical edge of the lining panel is held by a rear pillar.
  • the Sp Dr.sonrahmen between a lower stop and an upper stop slidably guided on the supports, wherein the lower stop at least in the amount of necessary excavator spoon freedom about 1 to 1.50 m from the column base and the upper stop at a distance from the lower stop is arranged, which the height of the Sp Schwarzrahmens, eg 1.75m, and allowable jack propulsion, e.g. 0.5m, corresponds.
  • the upper stops can be removed and a second expansion frame can be inserted into the supports of the support frame.
  • the upper stops can then be mounted at a distance above this second Sp Schwarzrahmen to the supports.
  • a third rigid frame Sp Dr. be introduced into the supports of the support frame.
  • the expansion frame can be connected together.
  • so-called base plates having a first height eg, 2.35 m
  • a second height eg, 1.35 m
  • the total height of the Verbauplatten is then about 7.40 m.
  • the invention is also intended for a trench mounting device, in which the supports are not separate components to which the plates are mounted vertically displaceable, but in which the supports or the linear guides are rigidly attached to the plates or integrated into the plates.
  • the DE 42 26 405 A1 in which the Applicant is cited as inventor, describes and shows in Fig. 2 Such a device in which the linear guide having supports are welded to the vertical edges of the lining plate.
  • Such shoring panels with arranged on the two vertical edges linear guides for the Sp Drllrahmen usually form individual shovels or installation boxes.
  • a panel consists of two opposite Verbauplatten and two Sp Dahlwoon, which are guided on the one hand between the front edges of the two Verbauplatten and on the other hand between the rear edges of the two Verbauplatten.
  • a so-called Kopfverbau be provided, ie, a transversely extending to the trench head plate, against the front edges, and a head plate, which is supported against the rear edges of the two Verbauplatten.
  • a support of a pair of supports during installation or removal of the shoring device moves vertically relative to the other support, then the spreading struts always perform a tilting movement about the trench longitudinal axis. This reduces the distance between the spreader ends and thus between the supports of the support pair. Even if the expansion heads are guided displaceably on the supports, make the expansion struts under load due to the friction of the expansion heads in the guides of the support a tilting movement. For this reason, only small relative movements between the supports of a pair are permitted and the inclination of the spread may not be more than 5 ° to the horizontal.
  • these shoring devices are usually installed simultaneously with two mutually displaceable individual supports on each side. This means that both individual supports are placed on the soil and pressed into the ground after digging a certain depth of the trench.
  • the trench can only be dug within the columns and the shoring panels because the excavator bucket does not reach the soil below the supports and shoring plates.
  • the earth under the columns and the sheathing panels is cut off from the lower edge when these elements are pushed in and falls into the interior of the trench. For this reason, the lower edges of the columns and Verbauplatten oblique and form a cutting edge, which presses the soil during lowering inward (see DE 32 43 122 A1 ).
  • the outer support Since the supports are usually recognized simultaneously in the known shoring devices, the outer support must not only displace the ground lying below its cross-section, but also the ground lying below the inner support to the trench interior when pressed into the ground. This means that very high forces are required to push the props into the ground. Due to the required cutting of soil of double column width, the forces are so high that they either overload the column material or can not be provided by conventional construction equipment.
  • a shoring device which has a first pair of braces and a second pair of braces.
  • the supports of the second pair abut against the inner sides of the supports of the first pair and are linearly guided on them.
  • At the supports of the first pair of supports the edges of upper and outer Verbauplatten are guided displaceably.
  • At the supports of the second pair of supports the edges of the lower and inner Verbauplatten are guided displaceably.
  • the upper outer supports of the first pair are above the lower inner supports of the second pair of a Sp Drstrebe - in the DE 32 43 122 A1
  • Cross strut called - kept at a distance.
  • Two cross braces between the lower inner supports keep the inner supports at a distance and press against the outer supports.
  • the support frame formed solely by the outer supports is unstable.
  • the upper outer supports of the first outer shoring device are inserted into the trench only together with the lower inner supports of the second inner shoring device.
  • this insertion of the outer and inner supports must be done in pairs, so that very high weights must be lifted and moved.
  • the lower support must be shorter than the upper to be able to be used below the spreader strut between the supports of the upper pair of supports can.
  • An object of the invention is to develop a method for trenching in such a way that with simple installation and removal of the shoring used hereby the construction of trenches with great depth is made possible.
  • the Sp Drettillzigen the first shoring device can be removed, since the linear guide pair of the second shoring device intervenes with the intervening spreader acting inwardly on the sheathing panels compressive forces of the trench walls.
  • the linear guides of the second shoring device and the shoring plates of the second shoring device located within the shoring plates of the first shoring device, which are each connected to at least one of the linear guides of the second shoring device, can now be lowered on further excavation of the soil.
  • a Sp Drettillen is again inserted between the linear guides of the linear guide pair of the first shoring, which holds the first pair of linear guide at a distance.
  • the expansion frame is preferably inserted from above between the first linear guide pair. In a further lowering of the second shoring device, if necessary, a further expansion frame between the first pair of linear guide can be inserted.
  • the second shoring device can be lowered in the entire length of its linear guides, so that the inventive method, the maximum installation depth, which is limited by the forces occurring during installation and dismantling, substantially doubled.
  • the trench walls can be simple or stepped.
  • the shoring panels can be positively guided in vertical guide rails or similar linear guides having means.
  • the shoring is lowered to the ground by means of an excavator following the excavation.
  • Between the vertical rails of the expansion frame (often called rigid frame car or carriage) is arranged, which acts as a spreader and is displaceable in the vertical rails. Since the length of the vertical rails or the resulting Verbauwand Abu is limited due to the mechanical action of the soil, the final depth of this system described is doubled by a complete new Verbausystem similar to the previously described is used in the already installed system. New vertical rails with linear guides are inserted between the already installed vertical rails.
  • the inner vertical rails with the corresponding Verbauplatten be further lowered by means of an excavator.
  • the outer preassembled frame truck is reinserted above the inner shoring device.
  • This frame carriage takes over further lowering of the inner shoring device acting on the outer vertical rails earth load when the inner shoring device has emerged by further lowering between the inner vertical rails from the outer vertical rails down.
  • This method is also suitable for paddles, in which the vertical linear guides are integrated into the Verbauplatten, so applicable to so-called edge-supported shoring panels, if they are equipped with rigid expansion frame.
  • the rigid expansion frame also called frame carriage or carriage
  • take over when the same length edge-mounted Verbausystem is passed through an already installed, alternately the load.
  • a stiffening frame is preferably used as the spreader between the second pair of linear guides or the pair of supports of the second shoring device. This is preferably spread after insertion of the second Verbauvorsch in the first Verbauvorraum in practice at high pressure. As a result, the linear guides of the second linear guide pair are pressed with great force against the linear guides of the first linear guide pair. A present during the insertion of the linear guides of the second shoring device game is eliminated by the spreading. In a subsequent removal of the Sp Drllrahmens the first Verbauvortechnisch by eliminating the game no longer the risk that the linear guides of the first Verbauvortechnisch shift inwards and subsidence phenomena of supported by the Verbauplatten the first shoring soil occur.
  • the second shoring device can be acted upon in practice, a hydraulic spreading device with pressure. In this way, high spreading forces can be generated, which completely absorb the pressure forces generated by the lining panels of the first shoring device.
  • the inner frame which is formed by the inner linear guides of the second shoring device, inserted from above between the linear guides of the first pair of linear guide.
  • the second shoring device can consequently be lowered into the first shoring device preassembled with a spreading frame arranged therebetween.
  • the expansion frame of the first shoring device can be moved in practice prior to removal in the lower region of the first linear guides of the first shoring device. In this way, the support frame of the second shoring device can be inserted by the greater part of its length between the linear guides of the first shoring device in order to intercept the load there before the straddle frame of the first shoring device is removed.
  • the linear guides are arranged on the opposite inner sides of two supports of a column pair of the first shoring device. With these linear guides arranged on the outer sides of the Sp Schwarzrahmens arranged guide elements cooperate positively. After moving the Sp Schwarzrahmens in the lower region of the first linear guide pair of positive engagement with the guide elements can be repealed. In this way, the guide elements can be removed from the linear guides towards the trench interior and the expansion frame can be removed.
  • the linear guides are guide channels in which guide elements (for example guide rails) arranged on the outer sides of the spreader frame are accommodated in a form-fitting and displaceable manner
  • recesses can be arranged in the lower region of the guide channels, by means of which the guide elements are removed from the guide channels.
  • the guide elements can be screwed together. These guide elements can be disassembled and dismantled to release the positive connection.
  • the expansion frame of the first shoring device can also be pulled inward to remove its guide elements from the guide channels. Since a Sp Rudrahmen, as mentioned above, is preferably telescopic to be spread to take over the supporting loads, it can be pulled together in the expansion vice versa, to be expanded from the linear guides to Grabeninneren out. A few centimeters contracting is sufficient to release the compressive force acting on the expansion frame and then disassemble it without external load so that it can be removed from the trench.
  • the expansion frame is screwed together from different steel elements.
  • a Sp Schwarzrahmen can be solved before removing at least one screw.
  • the expansion frame can then be disassembled and removed between the linear guides of a linear guide pair of the first shoring device.
  • a spreading element of the spreading frame when removing the expansion frame of the first shoring device, a spreading element of the spreading frame can be loosened and removed and subsequently the other elements of the spreading frame can be removed towards the trench interior.
  • a Sp Dahlrahmen a practical embodiment consists of two slidably guided on the linear guides carriage and arranged between these carriages Sp Schwarzrohren. After removal of said spreader tubes, the carriages can be removed towards the trench interior.
  • guide channels may be provided as linear guides, for example on the opposite inner sides of two supports of a support pair of the first shoring device, in which guide elements arranged on the outer sides of the expansion frame are accommodated in a form-fitting and displaceable manner.
  • the linear guides (eg supports) of the second shoring device can then also have on their outer sides guide elements, which are guided displaceably in the guide channels of the first shoring device.
  • the guide elements on the outer sides of the linear guides of the second shoring device have in the trench longitudinal direction a positive connection with the outer guide channels.
  • the inner linear guides of the guided in between the outer linear guides frame can not tilt forward or backward.
  • the linear guides of a linear guide pair of the second inner shoring device are supported by the expansion frame therebetween.
  • the supports running along a trench wall with the linear guides of the first shoring device can have receiving channels opposite one another, in which the shoring plates of the first shoring device are displaceably guided.
  • an outer and upper shoring plate and an inner and lower Verbauplatte be slidably guided in order to achieve the greatest possible depth of the first shoring device and a trench with stepped cross-section.
  • the supports of the second shoring device following one another along a trench wall can also have receiving channels which lie opposite one another and in which the shoring plates of the second shoring device are displaceably guided.
  • an outer and upper shoring plate as well as an inner and lower shoring plate can also be displaceably guided.
  • the achievable depth of a simple known shoring device with rigid expansion frame can be doubled in this way, the achievable depth of a simple known shoring device with rigid expansion frame. Since the outer and the inner shoring device extend over the same height, a trouble-free connection of a first shoring device to a second over the entire trench height is possible. It should be noted that this method can be repeated and a third shoring device can be inserted and lowered from above between the supports or linear guides of the second shoring device, and before the lowering of this third shoring device the spreading frame of the second shoring device in the region of the bottom of the trench is removed , In this way, the achievable installation depth can be further increased. With larger lateral forces acting on the Verbauplatten is not to be expected in greater depth, since the pressure acting from above of the resting earth masses due to the internal friction of the soil (vault effect) is converted only to a small extent in shear forces.
  • the linear guide can interact in a form-fitting manner with at least one guide element of a displaceable expansion frame.
  • the linear guide is formed in the lower region such that the positive engagement with the guide element is repealed.
  • the linear guide can be integrated into the Verbauplatten and arranged at the edge.
  • it may be formed as part of a support separate from the sheathing plates, the two vertical edges of a shoring plate being held by one support at the beginning and the end of a shoring field.
  • the linear guide is a guide channel, in which the guide element of a Sp Drettillens is positively inserted
  • at least one recess may be arranged in the lower region of the guide channel through which the guide element to the trench interior is removable.
  • the straddle frame near the bottom of the trench can be removed by withdrawing its guide members inwardly through the recess in the lower portion of the guide channel.
  • the linear guide is preferably associated with at least one stop, which limits the displacement movement of the Sp Schwarzrahmens in the linear guide.
  • the linear guide may have at least one opening and the stopper may be a pin which can be inserted into the opening. If a bolt is inserted just above and below the Sp Schwarzrahmens in designated openings, the displacement is reduced to a minimum and the Sp Schwarzrahmen is held substantially stationary between the linear guides. This is helpful during the insertion of a column frame with two linear guides or a four field frame header box at the vertical edges of two opposing sheathing plates in the trench.
  • the stops Upon further lowering of the linear guides, the stops are released, so that the individual components of the shoring device are movable relative to each other. However, a stop should continue to limit at least the displacement of the Sp Schwarzrahmens down to avoid that the Sp Schwarzrahmen is moved into the area in which the positive engagement with the linear guide is repealed.
  • Such a linear guide can furthermore, if it is used in an inner shoring device, be assigned at the outside facing the trench outer side at least one guide element which interacts positively with an outer linear guide of an outer shoring device such that the two linear guides are mutually displaceable in their longitudinal direction ,
  • This guide element ensures that the linear guide, which is pushed as part of the inner shoring between an outer linear guide pair, can not tilt forward or backward.
  • At least one roller assembly is provided which reduces the friction between the facing surfaces of an outboard support and an inboard support.
  • the rollers provide smooth sliding of the inner support frame with respect to the outer pair of supports.
  • rollers may be rotatably mounted about horizontal axes on the inner support, the circumference of which extends beyond the surface of the inner support which faces the outer support.
  • a rigid expansion frame has guide elements on its outer sides, which are intended to interact positively with a pair of mutually facing linear guides.
  • the guide elements are releasably secured to the spreader frame to allow the removal of the Sp lanternrahmens between the two supports of a pair of props.
  • the expansion frame on a spreading device, with which the distance between the outer sides of the Sp lanternrahmens is variable to allow spreading of a frame consisting of the two linear guides and the Sp lanternrahmen.
  • the spreading device may preferably comprise a hydraulic pressure cylinder.
  • the expansion frame can have two connecting flanges whose spacing can be changed by means of the spreading device and between which a blocking plate with a selectable thickness can be fastened. In this way, the expansion frame can be locked after spreading by means of the locking plate in the spread position, wherein he has after locking again its rigid structure and its high bending stiffness.
  • the hydraulic pressure cylinder is preferably arranged in the region of a spar of the Sp Dr.llwoos. Due to the integration of the impression cylinder into the spar, only a few handling steps are required during the insertion of the second shoring device into the first shoring device in order to take over the forces acting on the outer linear guides by spreading the inner spreading frame between two inner linear guides.
  • the connecting flanges can be arranged in a preferred embodiment of the Sp Schwarzrahmens in the region of said spar with the printing cylinder.
  • Fig. 1 to 38 relate to embodiments of the invention, in which a Verbaufeld a Verbauvorraum consists of four supports, at least two Sp Schwarzrahmen and at least two Verbauplatten.
  • the four supports have on their inner sides, the linear guides for the Sp Schwarzrahmen and are combined into two pairs of supports, between each of which a Sp Schwarzrahmen is guided.
  • At the supports the edges of Verbauplatten are slidably mounted.
  • the FIGS. 39 to 42 on the other hand show an embodiment of the invention without separate supports.
  • the linear guides are arranged directly on the edges of the Verbauplatten.
  • the Fig. 1 to 9 show the installation of a Verbaufeldes a first shoring device with supports according to the prior art. At this installation, the Verbau vide invention follows.
  • the Fig. 1 shows a Verbaufeld the known shoring in a trench, in which a pipe section 6 is inserted.
  • the Verbaufeld the Verbauvorraum comprises two support frame 1. Each support frame 1 has two mutually paired columns 2. Between these supports 2 a rigid Sp lanternen 3 is slidably disposed in the longitudinal direction of the supports 2. Each support 2 has on its inner side facing the trench on a guide channel 13 which forms a vertical linear guide and in which the Sp Schwarzrahmen 3 is guided vertically displaceable.
  • the lower portion 20 of the guide channel 13 is widened, as will be described in more detail below. So that the expansion frame 3 is not pushed into the widened region 20, a stop 25 is mounted above the widened region 20.
  • the stopper 25 is in Fig. 1 represented as arranged transversely to the guide channel 13 bolt. But it can be any other means, such as in openings 50 (see Fig. 30 ) plug-in socket pin to be used as a stop. Also, a displaceable in the receptacle 13 and clampable stop can be used to limit the displacement of the Sp Schwarzrahmens 3.
  • the Fig. 2 shows the items of a support frame 1 with disassembled Sp Schwarzrahmen 3.
  • the Sp Dahlrahmen 3 consists of two carriages 7, which are guided longitudinally displaceably in the linear guide each support 2. Between the carriage 7 Sp Schwarzrohre 8 by means of screws (not shown) attached.
  • spacer plates 9 are mounted in the region of the lower Sp Dahlrohrs 8. The spacer plates 9 compensate for the game of linear guide for the carriage 7. In the area of the lower spreader tube 8, the spreader frame 3 is subjected to pressure, whereas in the region of the upper spreader tube 8 it is subjected to tension.
  • the spacer plates 9 cause, in spite of the game between Sp Schwarzrahmen and the lateral supports 2, the lateral supports 2 are aligned parallel to each other.
  • a support 2 is first stored with a carriage 7 on the best possible level terrain.
  • a suitable hoist for example the boom 10 of a backhoe
  • the second support 2 is raised with attached carriage 7 and Sp Dr Dahlen 8 and positioned over the first support 2.
  • the lower fittings are attached, so that the rigid expansion frame 3 is closed and the support frame 1 is completed.
  • the boom 10 of the backhoe 11 lifts the support frame 1, so that the two supports 2 are vertical and parallel to each other (see Fig. 4 ).
  • the support frame 1 is used in this orientation in a pre-stroke for the shoring field.
  • the advance was previously mounted with a backhoe 11.
  • the pre-excavation must be carried out to a depth of 1 m to 1.5 m.
  • the first support frame 1 is used, as the Fig. 4 shows.
  • the outer Verbauplatten 4 are used in the carrier profile of the supports 2. This process is in the FIGS. 5 and 6 shown.
  • a large-scale shoring plate 4 made of steel is raised with an excavator boom and moved with an edge in the vicinity of the profile of one of the supports 2.
  • Fig. 8 can recognize the supports 2 on the two sides, which lie in the trench longitudinal direction front and rear, receiving channels 12, in which the edges of the lining panels can be inserted 4.5.
  • the edge of the outer Verbauplatte 4 is, as in Fig. 6 shown pivoted into a receiving channel 12 of the support 2.
  • a second support frame 1 is raised by the boom 10 of an excavator and lowered at the other end of the shoring 4, so that in the sheathing plates 4 facing receiving channels 12, the edges of the shoring 4 are performed.
  • the receiving channels 12 form the fastening devices, which hold the outer Verbauplatten 4 between two trench longitudinally consecutive supports 2 on one side of the trench.
  • the excavator lifts the soil between the shoring plates 4 and the supports 2 and pushes these components one after the other into the excavated trench.
  • 30 - 40 cm of the soil below the plate edges or the supports are dug.
  • the supports 2, the Verbauplatten 4 and the Sp Schwarzrahmen 3 are alternately pushed, these components are moved in the vertical direction.
  • inner Verbauplatten 5 are used. As in Fig. 8 shown, the inner Verbauplatten 5 are pivoted into the receiving channel 12 of the supports 2 above the outer Verbauplatten 4 and then lowered parallel to the outer Verbauplatten 4 in the trench. Upon further excavation of the trench, the inner shoring panels 5 are lowered, wherein the outer Verbauplatten 4 the in Fig. 9 preserve recognizable position in the upper area of the ditch.
  • the outer shoring panels 4 and the inner shoring panels 5 may, for example, be divided into two in order to be able to realize different trench heights.
  • the Verbauplattenmaschine can be placed on each other and connected by fasteners firmly together.
  • the overall height of the inner Verbauplatte 5 and the outer Verbauplatte 4 of the shoring device shown is usually not more than 5 m, otherwise the force acting on the components compressive forces, frictional forces and torsional forces are too large. Most of the height of consisting of two plate parts outer shoring 4 and inner sheathing plates 5 in the order of 4 m.
  • the length of the support 2 is about 8 m. Accordingly, the greatest depth of a trench, which can be supported with the shoring device shown, usually at 8 m to at most 10 m.
  • the Fig. 10 shows in a detailed sectional view again the cooperating parts of the shoring device on the example of a left support 2 of a support frame.
  • the supports 2 consist of an at least partially closed box hollow profile.
  • the two front and rear lying in the trench longitudinal direction of the support 2 each have a receiving channel 12, in which the edges of outer sheathing plates 4 and the trench interior staggered, inner shoring plates 5 are performed.
  • a large open receiving channel 12 on each side of the support 2 supports are also known, each having a stepped receiving channel on each side or the two mutually parallel receiving channels on each side to guide the outer and inner Verbauplatte at the edge.
  • a guide channel 13 can be seen on the side of the support 2 facing the trench interior, which is open towards the trench interior and forms a vertical linear guide.
  • the guide channel 13 receives a guide rail 14 which is arranged on the outside of the carriage 7.
  • the guide rail 14 engages behind form-fitting edge strips 15, which laterally constrict the mouth of the guide channel 13. The positive connection prevents the carriage 7 is pulled out of its leadership in the guide channel 13.
  • rollers 16 are arranged on the carriage, which are rotatable about horizontal axes 17 and roll on the trench interior facing surface lateral support flanges 18 of the support 2.
  • the Fig. 10 further shows a guide web 19 on the outside of the support 2.
  • This guide web 19 has no function when the shoring device alone (as in Fig. 9 to recognize) is installed. It only fulfills its function when, according to the invention, a second shoring device is inserted into the above-described first shoring device and installed therethrough into a greater shallow depth. This process is in the Fig. 11 to 20 shown.
  • FIGS. 11 to 13 Summarize once again the previously described process of installing a shoring device according to the prior art.
  • Fig. 11 to 19 alone the support frame 1 in front view in a viewing direction parallel to the longitudinal direction of the Trench shown.
  • the shoring plates, which laterally delimit the shingles defined by the support frames, are only in Fig. 20 to recognize.
  • Fig. 11 shows, similar to the Fig. 5 how the support frame 1 is inserted in the pre-excavation of the trench.
  • the Fig. 12 shows the support frame 1 in further lowering the shoring device, as described above.
  • the Fig. 13 shows - similar to the Fig. 9 - Schematically the support frame 1 in the fully installed state.
  • Fig. 14 shows the continuation of the Verbauvons invention to achieve particularly large trench depths.
  • first support frame 1 a second support frame 1 'of a second shoring device is used.
  • the support frame 1 ' is also hung on a boom 10 of an excavator and pushed from above between the supports 2 of the first support frame 1 until the second support frame 1' is located just above the Sp Schwarzrahmens 3 of the first shoring device.
  • the Sp Schwarzen 3 of the first shoring device is connected to the above-described stop 25 (FIG. Fig. 1 ) First fixed in a certain height of the supports 2. After insertion and spreading of the second support frame 1 ', the stopper is removed, and the expansion frame 3 of the first support frame 1 completely lowered to the bottom of the trench (see Fig. 15 ). Here, the first expansion frame 3 is removed between the outer supports 2 of the first shoring device. The earth pressure acting on the outer supports 2 of the first shoring device is transmitted via the inner supports 2 'to the spread-out spreading frame 3' of the second, inner shoring device.
  • the Sp Schwarzrahmen 3 ' has a different shape than the Sp Schwarzrahmen 3.
  • the Sp Schwarzrahmen 3 has - as in the embodiment of the Fig. 1 to 9 - A substantially rectangular shape with an upper and a lower Sp Schwarzrohr 8 between the side carriage 7, whereas the Sp Schwarzrahmen 3 'between the side carriage 7' only a Sp Schwarzrohr 8 ', which consists of a rectangular box hollow profile.
  • the Sp Schwarzrahmen 3 ' has thus substantially a downwardly open U-shaped form.
  • Other Sp Schwarzrahmen are known, for example, have an H-shaped form with a single pipe section in the central region of the carriage.
  • any shapes of the spreading frames 3, 3 ' can be used.
  • Each type of Sp Schwarzrahmen 3,3 ' is advantageously provided with a spreading device to be spread during insertion between the two supports of an already installed in the trench paddle field and to take over the load.
  • Fig. 1 can be seen on the front left support 2 that the guide channel 13 is widened for the left carriage 7 in the lower portion about the height of the carriage 7.
  • This expanded area consists of widening recesses, which are produced by removing the edge strips 15 in the lower area.
  • the recess or the extended area is provided with the reference numeral 20 and in Fig. 29 , which shows a view of the inside of the support 2, shown in detail.
  • the Fig. 21 further shows a section through the lower portion of the upper and outer support 2 and a plan view of the lower and inner support 2 '.
  • the edge strips 15 ' ensure the positive connection between the dovetail-shaped guide rail 14' of the carriage 7 'and the inner support 2'.
  • a panel of the second shoring device which consists of two support frames 1 'and disposed therebetween outer and inner sheathing panels can be lowered with continuous further excavation of the trench (see Fig. 18 ).
  • the lateral pressure loads of the soil are further absorbed by the displaceable Sp Schwarzrahmen 3 'between the inner supports 2'.
  • the Sp Schwarzrahmen 3 which was previously removed below the supports 2' between the supports 2, can be re-inserted from above between the supports 2 (see Fig. 19 ).
  • earth loads are again taken up by the expansion frame 3 therebetween.
  • an inner pair of supports 2 ' are brought between the outer supports 2 and, starting from the bottom of the trench, after installation of the outer supports 2 (see Fig. 17 ) the second shoring device, which is supported by the inner supports 2 ', lowered to a much greater trench depth.
  • the Fig. 20 shows the shoring device in its installed state.
  • the outer Verbauplatten 4 between the upper supports 2 and 4 'between the lower supports 2' are shown.
  • the inner Verbauplatten 5 can be seen in the receiving channels of the upper supports 2 and the inner Verbauplatten 5 'in the receiving channels of the lower supports 2'.
  • the forces acting laterally on the shoring panels 4 ', 5' of the lower shoring device are not significantly higher than the forces acting on the shoring panels 4, 5 of the upper shoring device.
  • the increasing vertical load due to the greater installation depth simultaneously leads to an increase in the frictional forces acting in the earth.
  • the frictional forces counteract a displacement of the soil in the direction of the trench center. Consequently, the large depth, high vertical compressive forces are not transmitted to a significant extent in the lateral direction on the sheathing plates 4 ', 5'.
  • the present invention is not limited to the described installation of shoring devices running in the supports inner and outer shoring panels, but can also be used advantageously in shoring devices, in which only one shoring plate is guided between two successive columns.
  • the panel of the outer shoring and the sheave of the inner shoring have the same length.
  • a plurality of outer and inner shoring devices can be joined one behind the other in the trench longitudinal direction without any transition.
  • the Fig. 21 shows the columns on the left side of the in Fig. 20 shown trench in the view x - x.
  • Fig. 21 It can be seen that in the guide channel 13 'of the inner support 2', the guide rail 14 'of the carriage 3' is added. In contrast, engages in the guide channel 13 of the outer support 2 of the outside of the inner support 2 'mounted guide web 19 and ensures that the inner support 2' can not tip over during installation in trench longitudinal direction.
  • the Fig. 22 schematically shows a spreading device, which allows the spreading.
  • the left carriage 7 of the Sp Drhyroids 3 has a hydraulic spreading device.
  • the spreading device is located in the region of two connecting flanges 21, 22, which are arranged on the one hand on the carriage 7 and on the other hand at one end of the spreader tube 8.
  • Each hydraulic expansion device comprises a hydraulic cylinder 23.
  • hydraulic cylinders 23 are provided both in the region of the lower spreader tube 8 and in the region of the upper spreader tube 8.
  • the hydraulic cylinder 23 is pressurized.
  • the upper hydraulic cylinder 23 and the lower hydraulic cylinder 23 are acted upon synchronously with the same pressure.
  • a locking plate 24 is added between the spread-flange flanges 21,22.
  • a plurality of locking plates 24 between two adjacent connection flanges 21 'and 22 are inserted.
  • blocking plates of different thickness.
  • Above the lower connecting flanges 21 ', 22 is in Fig. 23 an insulated locking plate 24 shown both in side view of its narrow side and rotated by 90 ° in plan view of its broad side.
  • the carriage 7 associated with the connecting flange 21 'part of an additional part which has the hydraulic cylinder 23.
  • the locking plates 24 are formed so that they can be pushed through between screws, through which the adjacent connecting flanges 21 'and 22 are screwed together.
  • the blocking plate 24 has in its center an elongate recess 38, the passage of the piston rod 36 (see Fig. 25 ).
  • connection consisting of the connecting flanges 21 ', 22 and the locking plate 24 is screwed again, so that the Sp Dreckllen 3 further high bending stiffness having.
  • the blocking plates 24 are available in various thicknesses, so that in each case the thickness can be selected, the thickness of which corresponds to the maximum spreading by the spreading device.
  • the expansion carriage 3 'of the inner shoring device has a similar spreading device.
  • FIGS. 23-25 schematically shown spreading device is in the FIGS. 23-25 shown in detail.
  • the spreading devices with hydraulic cylinders form additional parts 32 which are screwed between the connecting flange 21 of a carriage 7 and the opposite flange 22 of the Sp Dahlrohrs 8 and have two corresponding connecting flanges.
  • the connection flange 22 of the Sp Dahlrohrs 8 facing connecting flange 21 'of the additional part 32 then forms the carriage 7 associated with the connecting flange 21', which can be pushed away from the connecting flange 22 of the Sp Dahlrohrs 8.
  • FIGS. 24 and 25 show one of the aforementioned additional parts 32 in an enlarged view. It is in the view of the additional part 32 in Fig. 24 a portion of the front connecting flange 21 shown cut away so that the hydraulic cylinder 23 is visible. For the same reason is a part of in Fig. 25 visible side wall of the box hollow profile 33 cut out. In Fig. 25 In addition, the left end of a Sp Dr Dahlrohrs 8 with connecting flange 22 and a locking plate 24 is shown.
  • the additional part 32 is screwed with its left connection flange 22 'against a connecting flange 21 of the carriage 7. With the second connection flange 21 ', the additional part 32 is screwed to the corresponding connection flange 22 of the Sp Dahlrohrs 8. Between the two connecting flanges 21 'and 22' of the additional part 32 is a hollow box profile 33, in which a hydraulic cylinder 23 is received.
  • the hydraulic cylinder 23 is welded to a base plate 34 on the connecting flange 22 '.
  • the hydraulic cylinder 23 has a hydraulically displaceable piston 35 and an adjoining piston rod 36, the free end of which presses against the connecting flange 22 of the spreader tube 8.
  • the spreading of the spreading device is in particular in Fig. 25 to recognize.
  • a guide profile 37 is welded in the lower region of the connecting flange 21 'of the additional part 32. It is in the in Fig. 24 visible view U-shaped and surrounds the lower edge of the connecting flange 21 'is substantially flush. The guide profile 37 ensures that when moving with the screwed connection of the opposing connecting flanges 22,21 'remain aligned with each other and can be screwed again after the shift.
  • the Fig. 27 shows a plan view of further embodiments of the two left supports a built-in shoring device with the shim plates 4,4 ', 5,5' accommodated therein on a support side. At the other support side, the channels for receiving the edges of the Verbauplatten are empty.
  • the inner support 2 ' has at regular intervals horizontal axes 27 which are fixed near the outside of the support 2' in which the support 2 'forming box hollow profile.
  • rotatable rollers 26 are arranged, which roll on the inner portions of the support flanges 18 of the outer support 2.
  • the circumference of the rollers 26 extends through elongated recesses in the outer wall of the inner support 2 'and protrudes beyond this outer wall by a few millimeters.
  • Only the inner support 2 ' has a pair of guide webs 19'.
  • the two guide webs 19 ' are very short and produce no resistance when lowering the support into the ground.
  • FIG. 27 the supports and the carriage 7 'further characteristic features.
  • the carriage 7 ' is in the Figures 28 and 29 shown. It can be seen that the guide rail 14 'extends only over a short longitudinal section in the lower region of the carriage 7', in which the rollers 16 are arranged. In the upper area, just below the upper rollers, a guide member 39 can be seen, which from a first, in FIG. 28 position shown in a second, in FIG. 29 shown position can be moved.
  • the movable guide member 39 In the first, in FIG. 28 shown position, the movable guide member 39 is in the guide channel 13 'when the rollers 26 abut against the support flange 18 of the support 2'.
  • the movable guide member 39 can manually into the second, in FIG. 29 recognizable position to be moved. In this case, the movable guide member 39 is first rotated so that it no longer engages behind the edge strips 15 'of the guide channel 13'. Subsequently, the movable guide member 39 is pulled out of the guide channel 13 '.
  • This movable guide element allows the removal of the carriage from the guide channel 13 'when the carriage has reached the very bottom of the support.
  • FIGS. 30 and 31 show an outer support 2 in the plan view of her to the inside of the trench facing side and in a diagrammatic detail view showing the lower end.
  • the Figures 32-34 show an inner support 2 'in side view, cross-sectional view and in diagrammatic detail view showing the upper end.
  • the movable guide element 39 is in the retracted position FIG. 29 emotional. If the carriage 7 'is then located at the bottom of the trench bottom and at the bottom of the support 2 or 2', it can be placed in the horizontal to the bottom of the trench. Here the carriage can be taken apart and removed.
  • FIGS. 32 and 33 Furthermore, the horizontal axes 27 can be seen, which are arranged at regular intervals on the outer side of the inner supports 2 'and which carry the rollers 26, which roll on the support flanges 18 of the outer supports 2 (see Fig. 27 ).
  • the support flanges 18 of the outer supports 2 form the running surfaces for the rollers 26 of the inner supports 2 '.
  • openings 50 are arranged at regular intervals.
  • the openings 50 serve on the one hand to receive a stop. The stop avoids that the carriage 7 is moved too far down and its short guide rail 14 unintentionally exits from the lower region in which the support flanges 18 are removed.
  • the openings 50 are used to receive a pressing device described below, which allow the inner supports 2 'to be pressed into the ground when they are already below a spreader frame mounted between the outer supports 2.
  • FIGS. 35 to 38 show a pressing device 42, which in conjunction with the in FIG. 30 illustrated outer support 2, the further lowering of the inner support 2 'easier.
  • the pressing device 42 has a box-shaped steel housing 43. On the two narrow sides of the steel housing 43 are each two parallel pins 44 are arranged. On one side, the housing 43 is provided with a coupling part 45 of a quick-change coupling.
  • the complementary coupling part 46 is attached to the boom 47 of an excavator (see Fig. 38 ). With the coupling parts 45, 46 of the quick-change coupling, it is possible to fix the pressing device 42 to the boom 47 within a few seconds.
  • the quick-change coupling also includes coupling members (not shown) which connect the hydraulic circuit of the excavator to the hydraulic press cylinders 48 of the press apparatus 42.
  • the pins 44 cooperate with openings 50 which at a distance of the pins 44 in the guide channel 13 of the support 2 (see FIG. 28 ) are mounted.
  • the openings 50 which are regularly distributed over the first, outer linear guide, form first holding elements and the pins 44 of the pressing device 42 insertable therewith, second holding elements cooperating therewith.
  • the use of the pressing device 42 is particularly in the Figures 37 and 38 shown.
  • an outer support 2 and an inner support 2 ' can be seen. Above the head end of the inner support 2 'is located between the pair of outer supports 2 Sp Drhyroid 3. In the Figures 37 and 38 In particular, the lower ends of the carriage 7 can be seen, which are held by a stop (not shown) on the outer supports 2 with a certain distance from the head end of the inner supports 2 '.
  • the pressing device 42 is connected via the two coupling parts 45, 46 with the boom 47 of an excavator.
  • the boom 47 holds the pressing device 42 such that the two pins 44 on one side of the housing 43 in two openings 50 within the guide channel 13 of the outer rail 2 (see FIG. 28 ) are inserted.
  • the housing 43 of the pressing device 42 is positively connected to the outer support 2.
  • At least one pressing cylinder 48 is activated via the hydraulic lines of the excavator such that the pressing piston 49 presses on a head plate 51 of the inner support 2 '.
  • the pressing force of the plunger 49 drives the lower end of the inner support 2 'deeper into the excavated trench.
  • the supports 1,1 ', 2,2' with the linear guides 13,13 ', 14,14' of the lining panels 4,4 ', 5,5' are separable, are in the in the FIGS. 28-31 illustrated embodiment, the supports firmly connected to the Verbauplatten or integrated into this.
  • the supports are arranged on the lateral edges of the shoring plates and are referred to in this embodiment as a vertical rail, which form the linear guides for the expansion frame.
  • the method according to the invention is functional not only with edge-supported shoring devices but also with center-supported shoring panels suitable for shallow trench shoring.
  • Fig. 39 is a perspective view of a single Verbaufeld, also Verbaubox called consisting of two edge-supported shoring panels 28 shown.
  • Each of the lining panels 28 has guide channels 29 in the region of its two vertical edges.
  • the guide channels 29 are formed in edge profiles of the Verbauplatten 28 and take on guide elements of two rigid expansion frame 30, which are guided displaceably in the vertical direction.
  • a shoring device is placed on the ground at the location where the trench is to be excavated, and then lowered during the continuous dredging in the excavated trench.
  • Fig. 39 shows the junction box at the end of this installation process.
  • Fig. 40 shows the insertion of a second Verbaubox in the first Verbaubox.
  • the panel field consisting of the inner Verbauplatten 28 '
  • the inner shoring device consisting of the shoring plates 28 'with the expansion frames 30' located therebetween will be further lowered.
  • the spreading frames 30 are again inserted between the outer shoring plates 28 on further lowering of the inner shoring device with the shoring plates 28 'and, as described above, spread apart to form the spreading frames 30'. to relieve the burden acting on the outer sheathing panels 28 load.

Claims (10)

  1. Procédé servant au coffrage d'une tranchée, par l'intermédiaire duquel une tranchée va être creusée et un dispositif de coffrage va être installé dans la tranchée, de sorte que
    ◆ au moins une première paire de plaques de coffrage agencées opposées l'une à l'autre (4, 5, 28) va être installée dans la tranchée,
    ◆ au moins un premier cadre extensible rigide (3, 30) va être guidé de manière déplaçable entre les deux plaques de coffrage (4, 5, 28) dans une première paire de guides linéaires (13, 29),
    ◆ chaque guide linéaire respectif (13, 29) de la première paire de guides linéaires est lié ou va être lié avec une plaque de coffrage respective (4, 5, 28) de la première paire de plaques de coffrage,
    ◆ au moins une deuxième paire de plaques de coffrage agencées opposées l'une à l'autre (4', 5', 28') va être guidée entre la première paire de plaques de coffrage (4, 5, 28) et installée dans la tranchée,
    dans lequel
    ◆ une deuxième paire de guides linéaires (13', 29') va être insérée entre la première paire de guides linéaires (13, 29), et chaque guide linéaire respectif (13', 29') de la deuxième paire de guides linéaires est lié ou va être lié avec au moins une plaque de coffrage (4', 5', 28') de la deuxième paire de plaques de coffrage,
    ◆ de sorte que les guides linéaires (13', 29') de la deuxième paire de guides linéaires vont être maintenus à distance par une jambe de force (3', 30'),
    ◆ le cadre extensible (3, 30) entre la première paire de guides linéaires (13, 29), et relié à celle-ci, va être retiré,
    ◆ et lorsque la tranchée va ensuite être creusée plus profondément, la deuxième paire de plaques de coffrage et la deuxième paire de guides linéaires vont être descendues, et un cadre extensible (3, 30) va être inséré entre la première paire de guides linéaires (13, 29).
  2. Procédé selon la revendication 1, caractérisé en ce qu'il comporte au moins une des étapes suivantes :
    ◆ les guides linéaires (29, 29') vont être fixés aux lèvres des plaques de coffrage (28, 28') ;
    ◆ les guides linéaires (13, 13') sont installés sur des supports (2, 2'), de sorte qu'une plaque de coffrage (4, 5, 4', 5') de chaque côté de la tranchée va être fixée entre deux supports consécutifs (2, 2'), de sorte que de préférence une deuxième paire de supports (2'), sur laquelle est installée la deuxième paire de guides linéaires (13'), va être insérée entre la première paire de supports (2), sur laquelle est agencée une première paire de guides linéaires (13).
  3. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'en tant que jambe de force entre la deuxième paire de guides linéaires (13', 29'), un cadre extensible rigide (3', 30') va être utilisé.
  4. Procédé selon la revendication 3, caractérisé en ce qu'il comporte au moins une des étapes suivantes :
    ◆ la jambe de force (3', 30') entre la deuxième paire de guides linéaires (13', 29') va être déployée après l'introduction du deuxième dispositif de coffrage dans le premier dispositif de coffrage avec une pression supérieure ;
    ◆ pour déployer la jambe de force (3') du deuxième dispositif de coffrage, une dispositif de déploiement hydraulique (23) va être soumis à une pression ;
    ◆ après le déploiement, un élément de verrouillage arrête la jambe de force (3') entre la deuxième paire de guides linéaires (13', 29') dans une position déployée ;
    ◆ une plaque de verrouillage (24) va être agencée entre deux rebords de montage (21, 22) de la jambe de force (3), et vissée sur ceux-ci.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la deuxième paire de guides linéaires (13', 29') va être insérée depuis le dessus entre la première paire de guides linéaires (13, 29).
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le cadre extensible (3, 30) va être déplacé entre la première paire de guides linéaires (13, 29) avant enlèvement dans la partie inférieure de la première paire de guides linéaires (13, 29).
  7. Procédé selon la revendication 6, caractérisé en ce qu'il comporte au moins une des étapes suivantes :
    ◆ les guides linéaires (13) de la première paire vont agir conjointement avec des éléments de guidage (14) agencés sur le côté extérieur du cadre extensible (3) par agencement serré, de sorte qu'après l'enlèvement du cadre extensible (3) dans la partie inférieure du guide linéaire (13), l'agencement serré avec les éléments de guidage (14) va être supprimé
    ◆ les guides linéaires sont des canaux de guidage (13), dans lesquels des éléments de guidage (14) agencés sur le côté extérieur du cadre extensible (3) vont être accueillis avec agencement serré et de manière mobile, et l'élément de guidage (14) va être enlevé du canal de guidage (13) à travers au moins un évidement (20) dans la partie inférieure du canal de guidage (13) ;
    ◆ le cadre extensible (3) entre la première paire de guides linéaires (13) va, pour enlever son élément de guidage (14) du canal de guidage (13), être resserré vers l'intérieur ;
    ◆ au moins sur le côté extérieur du cadre extensible (3, 3') va être agencé au moins un élément de guidage mobile (39), qui va se déplacer pour l'enlèvement du cadre extensible (3, 3') depuis une première position à l'intérieur du guide linéaire (13) jusque dans une deuxième position à l'extérieur du guide linéaire (13) ;
    ◆ l'élément de guidage mobile (39) va, dans la première position à l'intérieur du guide linéaire (13), se déplacer depuis une première position, dans laquelle il vient en prise avec le guide linéaire(13) pour réaliser l'étape d'agencement serré, jusque dans une deuxième position, dans laquelle aucun agencement serré n'intervient.
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte au moins une des étapes suivantes :
    ◆ avant l'enlèvement du cadre extensible (3), au moins une connexion à vis entre la première paire de guides linéaires (13) va être desserrée ;
    ◆ pendant l'enlèvement du cadre extensible (3) d'entre la première paire de guides linéaires (13), un élément extensible (8) du cadre extensible (3) va être desserré et enlevé, et ensuite les autres éléments (7) du cadre extensible (3) jusqu'au coffrage intérieur ;
    ◆ les supports (2) de la première paire de guides linéaires comportent des canaux de guidage (13) sur les côtés intérieurs opposés entre eux, dans lesquels des éléments de guidage(14) agencés sur les côtés extérieurs du cadre extensible (3) vont être accueillis en agencement serré et de manière mobile, et les supports (2') de la deuxième paire de guides linéaires comportent des éléments de guidage(19') sur leurs côtés extérieurs, qui vont être guidés de manière déplaçable dans les canaux de guidage (13), qui constituent la première paire de guides linéaires ;
    ◆ le long d'une paroi de coffrage, les supports (2) qui se suivent mutuellement des premiers guides linéaires (13) comportent des canaux de réception opposés entre eux (12), dans lesquels des lèvres des plaques de coffrage (4, 5) sont guidées de manière mobile, de sorte que de préférence dans les canaux de réception opposés entre eux (12) de deux supports qui se suivent (2), une plaque de coffrage extérieure et supérieure (4) et une plaque de coffrage intérieure et inférieure (5) sont guidées de manière mobile avec les premiers guides linéaires (13) ;
    ◆ le long d'une paroi de coffrage, les supports (2') qui se suivent mutuellement des premiers guides linéaires (13') comportent des canaux de réception opposés entre eux (12'), dans lesquels les plaques de coffrage (4, 5) sont guidées de manière mobile, de sorte que de préférence dans les canaux de réception opposés entre eux (12') de deux supports qui se suivent (2'), une plaque de coffrage extérieure et supérieure (4') et une plaque de coffrage intérieure et inférieure (5') sont guidées de manière mobile avec les seconds guides linéaires (13).
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'en abaissant un guide linéaire (13') de la deuxième paire de guides linéaires, un dispositif de compression (42) va être fixé sur le guide linéaire voisin (13) de la première paire de guides linéaires, et appuyé contre l'extrémité supérieure du guide linéaire (13') de la deuxième paire de guides linéaires.
  10. Procédé selon la revendication 9, caractérisé en ce qu'il comporte au moins une des étapes suivantes :
    ◆ le dispositif de compression (42) va être déplacé depuis la flèche (47) d'une excavatrice aux environs d'une extrémité supérieure du guide linéaire (13') de la deuxième paire de guides linéaires ;
    ◆ le dispositif de compression (42) comporte une partie d'accouplement (45) d'un accouplement à changement rapide, qui coopère avec une partie d'accouplement complémentaire (46) de l'accouplement à changement rapide situé sur la flèche (47) de l'excavatrice, de sorte que par la rencontre des deux parties d'accouplement (45, 46), le dispositif de compression (42) va être fixé sur la flèche (47) ;
    ◆ des premiers éléments d'arrêt (50) vont être agencés à des intervalles réguliers sur le guide linéaire (13) de la première paire de guides linéaires, qui coopèrent avec des seconds éléments d'arrêt (44) situés sur le dispositif de compression (42) pour fixer le dispositif de compression (42) sur le guide linéaire voisin (13) de la première paire de guides linéaires, de sorte que de préférence les premiers éléments d'arrêt sont des ouvertures (50), et les seconds élément d'arrêt sont des tenons (44), qui vont être insérés dans les ouvertures (50) ;
    ◆ le dispositif de compression (42) comporte, sur deux côtés opposés entre eux, respectivement au moins un élément d'arrêt (44) et un piston de compression (48), de sorte que le piston de compression (48) situé sur le premier côté appuie contre l'extrémité supérieure du second guide linéaire (13') sur le côté du coffrage de gauche, et le piston de compression (48) situé sur le second côté appuie contre l'extrémité supérieure du second guide linéaire (13') de la seconde paire de guides linéaires sur le côté de coffrage de droite.
EP07728529A 2006-04-26 2007-04-25 Procédé de blindage de tranchées Active EP2010717B1 (fr)

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EP07728529A EP2010717B1 (fr) 2006-04-26 2007-04-25 Procédé de blindage de tranchées
PL07728529T PL2010717T3 (pl) 2006-04-26 2007-04-25 Sposób obudowy ścian wykopów

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DE200610019236 DE102006019236B4 (de) 2006-04-26 2006-04-26 Verfahren und Vorrichtung für den Grabenverbau
EP06126198 2006-12-15
EP07728529A EP2010717B1 (fr) 2006-04-26 2007-04-25 Procédé de blindage de tranchées
PCT/EP2007/054074 WO2007122255A2 (fr) 2006-04-26 2007-04-25 Procédé et dispositif servant au blindage de tranchées

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EP2010717A2 EP2010717A2 (fr) 2009-01-07
EP2010717B1 true EP2010717B1 (fr) 2012-12-26

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EP (1) EP2010717B1 (fr)
ES (1) ES2401195T3 (fr)
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US3295330A (en) * 1964-01-20 1967-01-03 Allied Steel Tractor Prod Inc Shoring equipment
US3470699A (en) * 1968-05-16 1969-10-07 Andrew J Cox Safety device for trenches and the like
US3766740A (en) * 1972-06-16 1973-10-23 D Teegen Method and means for shorting the side walls of trenches to prevent their caving in
DE2302053C3 (de) * 1973-01-17 1979-03-15 Josef 5138 Heinsberg Krings Verbauvorrichtung für einen Leitungsgraben o.dgl. mit abgestuftem Querschnitt
FR2222867A5 (en) 1973-03-22 1974-10-18 Koehl Ets Prefabricated panel trench supports - are slotted into intermediate grooved uprights with telescopic braces
CH587388A5 (fr) * 1973-11-24 1977-04-29 Krings Josef
FR2333901A1 (fr) * 1975-12-01 1977-07-01 Koehl Jean Blindage de tranchee telescopique a etages multiples
DE3366982D1 (en) * 1982-07-23 1986-11-20 Emunds & Staudinger Gmbh & Co Shoring device
DE3243122C2 (de) 1982-11-22 1994-12-01 Kotex Ind Handel Gmbh Verbauvorrichtung zum Abstützen der Wände eines Grabens mit abgestuftem Querschnitt
DE3423853C2 (de) * 1984-06-28 1989-10-12 Krings International Inh. Josef Krings, 5138 Heinsberg Verbauvorrichtung für Gräben
DE4028832A1 (de) 1990-09-11 1992-03-12 Wilhelm Hess Verfahren und vorrichtung zum verbau tiefer graeben
DE4226405A1 (de) * 1992-08-10 1994-02-17 Emunds & Staudinger Gmbh & Co Verbauvorrichtung
DE4230860A1 (de) * 1992-09-15 1994-03-17 Wilhelm Hes Verbauvorrichtung
US5310290A (en) * 1993-03-12 1994-05-10 Spencer Dennis I Protective structure for excavations
DE4322336C2 (de) 1993-07-05 1996-12-19 Emunds & Staudinger Gmbh & Co Verbauvorrichtung
DE4413371A1 (de) * 1994-04-19 1995-10-26 Wilhelm Hes Verbauvorrichtung
US5720580A (en) * 1995-12-22 1998-02-24 Kvh Verbautechnik Gmbh Apparatus for and method of shoring a trench
EP0866175A1 (fr) * 1997-03-20 1998-09-23 Wilhelm Hess Dispositif d'ettayage pour tranchées profondes
JP3105196B2 (ja) * 1997-07-09 2000-10-30 日本スピードショア株式会社 スライドパネル式土留支保工
DE19753561A1 (de) * 1997-12-03 1999-06-10 Emunds & Staudinger Gmbh & Co Verbauvorrichtung
US5931607A (en) * 1998-06-12 1999-08-03 Hess; Wilhelm Lining device
US7048471B2 (en) * 2000-04-05 2006-05-23 Maksim Kadiu Shoring device
US6848865B2 (en) * 2003-02-06 2005-02-01 Max Kadiu Shoring device
US7258511B1 (en) * 2006-09-12 2007-08-21 Cerda Industries, Inc. Shoring system

Also Published As

Publication number Publication date
EP2010717A2 (fr) 2009-01-07
WO2007122255A3 (fr) 2008-04-10
ES2401195T3 (es) 2013-04-17
WO2007122255A2 (fr) 2007-11-01
US7972085B2 (en) 2011-07-05
PL2010717T3 (pl) 2013-05-31
US20090110490A1 (en) 2009-04-30

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