EP1640509B1 - Procédé et appareil pour creuser des tranchées dans le sol - Google Patents

Procédé et appareil pour creuser des tranchées dans le sol Download PDF

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Publication number
EP1640509B1
EP1640509B1 EP04019987A EP04019987A EP1640509B1 EP 1640509 B1 EP1640509 B1 EP 1640509B1 EP 04019987 A EP04019987 A EP 04019987A EP 04019987 A EP04019987 A EP 04019987A EP 1640509 B1 EP1640509 B1 EP 1640509B1
Authority
EP
European Patent Office
Prior art keywords
mixing
frame
cutting
milling
wheels
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 - Fee Related
Application number
EP04019987A
Other languages
German (de)
English (en)
Other versions
EP1640509B2 (fr
EP1640509A1 (fr
Inventor
Erwin Emil Dipl.-Ing. Dipl.-Wirtsch.-Ing. Stölzer
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen GmbH
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34926270&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1640509(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to EP04019987.9A priority Critical patent/EP1640509B2/fr
Priority to DE502004005279T priority patent/DE502004005279D1/de
Priority to CA002513826A priority patent/CA2513826C/fr
Priority to US11/189,848 priority patent/US7363733B2/en
Priority to SG200504679A priority patent/SG120233A1/en
Priority to RU2005125079/03A priority patent/RU2304197C2/ru
Priority to JP2005235603A priority patent/JP4109687B2/ja
Priority to KR1020050076604A priority patent/KR100738896B1/ko
Priority to CNB2005100966323A priority patent/CN100434599C/zh
Publication of EP1640509A1 publication Critical patent/EP1640509A1/fr
Publication of EP1640509B1 publication Critical patent/EP1640509B1/fr
Application granted granted Critical
Publication of EP1640509B2 publication Critical patent/EP1640509B2/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches

Definitions

  • the invention relates to a device for creating a slot wall in the ground.
  • the invention further relates to a method for creating a slot wall in the ground.
  • a method for producing a slot wall in the bottom is from DE 195 30 827 C2 known.
  • a milling slot is excavated in a first phase and the excavated soil excavation of the milling slot is conveyed to above ground.
  • the resulting milling slot is filled with a support suspension and thereby supported.
  • a hardening suspension is introduced into the slot while displacing the support suspension.
  • the slot is supported from the beginning by a hardening suspension, which is prepared by mixing excavated soil material with a settable liquid over-days.
  • the object of the invention is to provide a device and a method with which slot walls of particularly high quality can be created.
  • the invention is on the one hand in a device for creating a trench wall in the ground, with a frame, at least one arranged below the frame, lower milling / mixing wheel, at least one further, arranged at the top of the frame, upper milling / mixing wheel, wherein the frame in an intermediate region between the upper milling / mixing wheel and the lower milling / mixing wheel of smaller cross-section relative to the milling cross-section of the at least one lower milling / mixing wheel is formed.
  • a first basic idea of the invention can be seen therein, both below, i. on the bottom side, to provide milling / mixing wheels on the milling frame as well as on top of the milling frame.
  • the at least one lower milling / mixing wheel is preferably projecting in the direction of advance and the at least one upper milling / mixing wheel protrudes in the direction opposite to the direction of advance on the frame. Due to the mutual arrangement of milling / mixing wheels on the frame, a particularly good comminution and mixing of milled ground material is made possible.
  • a particularly high suspension homogeneity can be achieved and consequently a particularly high diaphragm wall quality can be obtained.
  • a particularly high milling progress can be achieved by a combined milling action of the upper and lower milling / mixing wheels.
  • Another basic idea of the invention can be seen in forming the frame at least partially with a cross section which is smaller than the milling cross section of the at least one lower milling / mixing wheel.
  • a mixing and transport area is created in the slot between the upper and lower milling / mixing wheels, through which a material exchange between the upper and lower milling / mixing wheels is made possible. Since a flow can be generated in this mixing and transport area both from the upper and from the lower milling / mixing wheel, a particularly effective material mixing takes place in this area, whereby the suspension homogeneity is further increased.
  • the frame in the intermediate region is preferably also of smaller cross-section relative to the milling cross-section of the at least one upper milling / mixing wheel.
  • the device according to the invention can also be referred to as a milling cutter, in particular as a trench wall cutter.
  • the milling / mixing wheels can circumferentially cutting teeth, roller chisel or other tillage tools for removing pending Have soil material.
  • at least some of the milling / mixing wheels can in principle also be designed without such tillage tools, in which case the mixing effect of these wheels is in the foreground.
  • at least some of the milling / mixing wheels can be provided with additional mixing elements, for example with mixing paddles.
  • the at least one lower milling / mixing wheel and the at least one upper milling / mixing wheel may be of identical construction, wherein the wheels may also be designed to be mirror-symmetrical to one another for opposite rotational operation.
  • the wheels may also be designed to be mirror-symmetrical to one another for opposite rotational operation.
  • the cross-sectionally smaller intermediate region of the frame can be formed, for example, by a step in the frame.
  • the frame is formed waisted between the upper milling / mixing wheel and the lower milling / mixing wheel.
  • This may in particular be understood to mean that the cross-section of the frame continuously tapers in the direction of advance in at least one spatial direction, starting from the upper milling / mixing wheel, and widens continuously again in front of the lower milling / mixing wheel.
  • a cross-section can in particular be understood as a section perpendicular to the direction of advance of the milling cutter.
  • the milling cross section of the at least one lower milling / mixing wheel is suitably configured at least approximately rectangular. It is particularly preferred that the cross-sectional width of the frame in the intermediate region is three quarters or less, in particular half or less, the Fräsqueritessumble the at least one lower milling / mixing wheel and / or that the cross-sectional length of the frame in the intermediate region three quarters or less, in particular half or less, the milling cross-section length of at least a lower milling / mixing wheel is. As a result, a mixing and transport area is created around the intermediate area, in which a particularly effective mixing of the suspension can take place.
  • the width and length specifications may in particular be related to an at least approximately rectangular milling cross section, wherein the frame itself, in particular in the intermediate region, does not necessarily have to be formed with a rectangular cross section.
  • the cross-sectional width and length may be understood to mean the cross-sectional dimensions of the frame parallel to the sides of the approximately rectangular cross-section. If several lower milling / mixing wheels are present, the total milling cross section of all these wheels can be understood by the milling cross section of the at least one lower milling / mixing wheel. Analog can be understood by the milling cross section of the at least one upper milling / mixing wheel of the total milling cross section of all upper milling / mixing wheels.
  • the milling cross section of the at least one upper milling / mixing wheel is also at least approximately rectangular and in particular at least approximately identical to the milling cross section of the at least one lower milling / mixing wheel.
  • a particularly suitable and structurally particularly simple device for receiving the forces occurring during milling operation is characterized in that the frame and / or the milling / mixing wheels mirror-symmetrical, in particular to a plane perpendicular to the advancing direction mirror plane and / or to a mirror plane extending in the advancing direction , are formed.
  • the direction of advancement can be understood as the direction in which the mill according to the invention moves in the slot position, i. the direction in which the mill is sunk.
  • a further preferred embodiment of the invention is that two lower milling / mixing wheels and two upper milling / mixing wheels are provided in particular axially parallel, and that the frame in particular arranged X-like with a middle frame part and four preferably obliquely to the advancing direction Milling shields on which the milling / mixing wheels are mounted, is formed.
  • the frame is designed like a cross, with at least one milling / mixing wheel, in each case a pair of wheels, being mounted at each end of the four legs of the cross.
  • the legs of the cross are preferably formed by the milling blades.
  • the milling / mixing wheels are designed as pairs of wheels with two individual wheels, which are in particular arranged coaxially on both sides of a milling blade of the frame.
  • the individual milling / mixing wheels can also have more than two individual wheels. In principle, any number of milling / mixing wheels can be provided according to the invention.
  • the device according to the invention is particularly suitable for a "mixed-in-place" slotted wall method in which the suspension hardening to the slot wall is not produced outside the slitting slot, but directly in the slitting slot itself by action of the milling / mixing wheels of abraded soil material and a settable liquid becomes.
  • a liquid supply means for supplying a settable liquid is provided in the slot on the underside of the frame, in particular between two adjacent lower milling / mixing wheels.
  • the arrangement of the liquid supply between the two milling / mixing wheels allows a particularly uniform mixing of the liquid with the soil material on both milling / mixing wheels.
  • the liquid supply device can also be formed separately from the frame and / or the milling cutter.
  • Another advantageous aspect of the invention is that at least at the lower milling / mixing wheel cutting teeth are provided for clearing pending soil material, and that on the frame Räumplatten are provided, which protrude to clear the cutting teeth of cleared soil material between adjacent cutting teeth.
  • the Räumplatten can be provided in particular for clearing trained as folding teeth milling teeth, which are arranged for processing of soil material below the milling blade pivotally mounted on the milling / mixing wheels.
  • control stamp are provided on the frame, which are extendable to rest on the inner walls of the slot transverse to the advancing direction, in particular approximately parallel to the axes of rotation of the milling / mixing wheels.
  • the frame can be pressed off the walls and its position, in particular its inclination in the slot, be changed, whereby the further Abteufraum is changed.
  • the control stamp on round, in particular approximately circular or oval support surfaces, which may also be convex.
  • the tax stamps may be mushroom-shaped.
  • the tax stamps are suitably arranged on stamp holders, which in turn are in turn arranged on the frame and in particular protrude laterally from this.
  • drives in particular hydraulic cylinders, can be provided for extending and retracting the control stamp.
  • the control stamps can be extendable in any direction on the frame, it being preferred that the control stamps can be extended approximately parallel to the axes of rotation of the milling / mixing wheels.
  • the tax stamps are preferably arranged on the middle frame part in the intermediate region.
  • two tax stamps are provided on each tax stamp holder, which form a tax stamp pair.
  • the two tax stamps of a tax stamp pair are advantageously arranged coaxially and / or on opposite Frame sides extendable out of the frame. It is particularly preferred that on both sides of the frame in each case two pairs of tax stamps are arranged one above the other.
  • two pairs of tax stamps are positioned at the same height on the frame.
  • a rope and / or a telescopic drill pipe is provided, on which the frame is suspended at its upper side.
  • the telescopic drill pipe can be designed in particular as a Kelly bar.
  • a headband is provided on the rope or on the drill pipe to which the frame is mounted.
  • a particularly versatile device is characterized in that the milling cross-section of the at least one upper milling / mixing wheel and / or the at least one lower milling / mixing wheel is variable.
  • an adjusting device may be provided, with which the axial spacing of the upper milling / mixing wheels and / or the lower milling / mixing wheels is adjustable.
  • the adjusting device and the cutting radius of the respective milling / mixing wheels can be changed.
  • milling / mixing wheels are suitably arranged side by side, i. their axes of rotation are, in particular with respect to the downwardly pointing direction of advance, at the same height.
  • a plurality of upper milling / mixing wheels are provided, these are also preferably arranged next to one another.
  • a further aspect of the invention can be seen in a method for creating a trench wall in the ground, in which a trench cutter with a frame, two bottom of the frame next to each other, lower milling / mixing wheels and two on top of the frame arranged side by side, upper milling / mixed wheels provided that the milling / mixing wheels are rotated by means of a rotary drive, and the trench wall cutter is sunk into the ground and pulled back after reaching a final depth, both the top two milling / mixing wheels and the two lower milling / mixing wheels be driven in opposite directions by means of the rotary drive.
  • inventive method can be carried out in particular by means of the device according to the invention, wherein the advantages described in this context can be achieved.
  • a basic idea of the method according to the invention can be seen in the fact that a trench wall cutter with at least two lower milling / mixing wheels and at least two upper milling / mixing wheels is provided, the two lower milling / mixing wheels having opposite directions of rotation and also the two upper milling wheels. / Mixing wheels are driven in opposite directions of rotation.
  • the opposite operation of the milling / mixing wheels can basically be provided both when sinking and when pulling the trench wall cutter.
  • the milling / mixing wheels can also be shut down when pulling the trench wall cutter.
  • the milling / mixing wheels be driven to rotate while pulling, the direction of rotation of the milling / mixing wheels can also be changed basically alternately.
  • the efficiency of Materialabtransportes in the milling slot can be improved by the fact that when the trench wall cutter at the bottom of the slot excavated soil material is carried away by the rotation of the lower milling / mixing wheels of the milling center.
  • This embodiment is particularly advantageous when the processed soil material is not sucked out of the milling slot, but remains for "in situ" mixing with a settable liquid in the milling slot.
  • the lower milling / mixing wheel arranged clockwise in the operating state of the miller in the front view is operated in the clockwise direction and the lower milling / mixing wheel arranged in the operating state of the miller to the right in the counterclockwise direction.
  • the processed soil material is preferably conveyed into the mixing and transport area, which is formed around the frame in its intermediate area. This ensures a particularly effective mixing of the soil material with the settable liquid. At the same time supports the tangential movement of the lower milling / mixing wheels on the inner walls of the Frässchlitzes the Abteuffest the trench wall cutter in the advancing direction.
  • the milling / mixing wheels lying one on top of the frame are respectively rotated in opposite directions, ie that the two milling / mixing wheels arranged on the left of the frame are rotated with different directions of rotation, as well as the two milling / mixing wheels arranged on the right of the frame. mixed wheels.
  • the milling and mixing wheels lying one on top of the frame are driven in the same direction. In this case, a particularly good material removal is guaranteed.
  • the direction of rotation of the milling / mixing wheels when pulling the trench wall cutter is also possible to select the direction of rotation of the milling / mixing wheels when pulling the trench wall cutter equal to the direction of rotation when sinking.
  • the direction of rotation of at least the lower milling / mixing wheels for pulling the trench wall cutter is reversed.
  • the direction of rotation of the upper milling / mixing wheels for pulling the trench wall cutter is reversed. The resulting change in the flow profile on the trench wall cutter can further improve suspension mixing.
  • the milling / mixing wheels perform due to their rotational movement on the inner walls of the slot a tangential movement, which is directed opposite to the current axial movement of the trench wall cutter.
  • the rotational movement of the milling / mixing wheels supports the axial Abteuf- and pulling movement of the trench wall cutter and axial drive means for sinking and pulling the trench wall cutter can be dimensioned correspondingly less expensive.
  • FIGS. 1 and 2 An inventive device for creating a slot wall in the ground, which can also be referred to as a trench wall cutter 1, is shown in FIGS. 1 and 2.
  • the trench wall cutter 1 comprises a supporting frame 10, at the lower, i.e. the lower part, of the trench wall. bottom end two lower milling / mixing wheels 21, 22 are rotatably mounted at the same height. On its upper side, two upper milling / mixing wheels 31, 32 are likewise rotatably mounted at the same height on the frame 10.
  • the milling / mixing wheels 21, 22, 31, 32 are all formed as pairs of wheels with two individual wheels, which are both coaxial on either side of a milling blade 24, 25, 34, 35 are mounted. This is shown in FIG. 2 using the example of the upper milling / mixing wheel 32, whose two individual wheels 37, 38 are arranged on both sides of the milling blade 35. Furthermore, this is shown in Fig. 2 using the example of the lower milling / mixing wheel 22, the two individual wheels 27, 28 are rotatably mounted on both sides of the milling blade 25. The remaining milling / mixing wheels 21, 31 are formed in a similar manner as pairs of wheels.
  • the frame 10 has centrally a central frame middle part 15.
  • This frame middle part 15 is in the form of a straight prism with a hexagonal base.
  • adjacent lateral surfaces are on the central frame part 15, the two Frässchilde 24, 25 of the two lower milling / mixing wheels 21, 22 out.
  • the milling blades 24, 25, 34, 35 which can be considered as elements of the frame 10, extend at an angle, ie not parallel to the advancing direction 80, which is the Abteufraum the trench wall cutter 1 represents.
  • the milling blades 24, 25, 34, 35 together with the frame center part 15 a cross-like or X-like structure, wherein the cross legs of the Frässchilden 24, 25, 34, 35 are formed.
  • the cross arms formed by the milling blades 24, 25, 34, 35 are not arranged at right angles to each other. Rather, the included by the Frässchilden 24, 25 angle as well as the included by the Frässchilden 34, 35 angle is less than 90 °.
  • the upper milling / mixing 31 is based on the downward drive direction 80 above the lower milling - / mixing wheel 21 arranged and the upper milling / mixing wheel 32 above the lower milling / mixing wheel 22. In this case, all milling / mixing wheels 21, 22, 31, 32 have the same wheel diameter. Because of this geometric arrangement and design of the milling / mixing wheels 21, 22, 31, 32 corresponds to the milling cross section of the upper milling / mixing wheels 31, 32 the milling cross section of the lower milling / mixing wheels 21, 22nd
  • the frame 10 is formed with a taper, at which this cross section smaller in relation to the milling cross section of both the lower milling / mixing wheels 21, 22 and the upper milling / mixing wheels 31, 32nd is.
  • a mixing and / or transport region 54 is formed at the intermediate region 12 between the inner walls 4, 4 'of the slot and the frame 10, in which a thorough mixing of processed soil material with a settable liquid can take place.
  • a liquid supply device 50 designed as a nozzle is provided in the milling center 7, between the two lower milling / mixing wheels 21, 22.
  • the frame 10 is formed to form the tapered intermediate portion 12 in its cross-sectional length LR, starting from the Frässchilden 24, 25, 34, 35, waisted.
  • the cross-sectional width BR of the frame 10 is substantially constant over its height.
  • the cross-sectional width BR of the frame 10 is about 0.45 times the Fräsqueritessumble BF and the cross-sectional length LR of the frame 10 is about 0.45 times the Fräsquerroughsmother LF.
  • the frame 10 with its Frässchilden 24, 25, 34, 35 and the milling / mixing wheels 21, 22, 31, 32 is formed in three mirror-symmetrical, with a first mirror plane 75 is arranged perpendicular to the drive direction 80 and two further, mutually perpendicular mirror planes 71, 72 extend parallel to the drive direction 80.
  • clearing plates 46, 46 ' are provided, which project between adjacent cutting teeth 42 and / or folding teeth 43.
  • the clearing plates 46, 46 'approximately radially to the milling / mixing wheels 21, 22, 31, 32 are arranged.
  • the cutting teeth 42 and / or the folding teeth 43 move past the clearing plates 46, 46 ', thereby abrading the cutting teeth 42 and / or the folding teeth 43 adhering soil material and The teeth are thus freed from the soil.
  • hydraulic drive motors are provided in the interior of the frame center part 15 of the frame 10.
  • control stamp 60, 60 ' are provided for directional control of the trench wall cutter 1 approximately parallel to the axes of rotation of the milling / mixing wheels 21, 22, 31, 32 and perpendicular to the drive direction 80 in an abutment position against the inner walls. 4 'of the slot extendable and retractable.
  • the control stamps 60, 60 ' are mushroom-shaped and have head-side convexly curved and in the front view circular support surfaces 62 for abutment against the inner walls 4' of the slot.
  • a total of four pairs of control stamps are provided on the frame 10, of which two are mounted at the same height with respect to the downwardly directed advancing direction 80 in the front view on the left and right of the middle frame part 15.
  • the two control stamps 60, 60 'of each pair of tax stamps are mounted in a common stamp holder 64 which surrounds the tax stamps 60, 60' in the manner of a sleeve. In the punch holder 64 are not shown in the figures, drives for extending and retracting the control stamp 60, 60 'are provided.
  • a holding bracket 17 is provided, which is mounted on the trench blades 24, 25 at the top of the trench wall cutter 1.
  • FIGS. 3 and 4 show The direction of rotation of the milling / mixing wheels 21, 22, 31, 32 of a trench wall cutter 1 according to the invention when carrying out a method according to the invention.
  • Fig. 3 shows the state when sinking
  • Fig. 4 shows the state when pulling the trench wall cutter 1.
  • the corresponding axial movement of the trench wall cutter 1 is indicated by the arrows R.
  • the lower milling / mixing wheels 21, 22 are rotated when the milling cutter is lowered in such a way that abraded soil material and settable liquid introduced into the milling slot are conveyed away from the milling center 7 to the inner walls 4 of the slot.
  • the milling / mixing wheel 21 arranged on the left is rotated in the clockwise direction
  • the milling / mixing wheel 22 arranged on the right is rotated in the counterclockwise direction.
  • the above the lower milling / mixing wheels 21, 22 arranged upper milling / mixing wheels 31, 32 are operated in the same direction as the respective underlying milling / mixing wheels 21, 22, i. the upper milling / mixing wheel 31 arranged on the left in the clockwise direction, the upper milling / mixing wheel 32 arranged on the right in the counterclockwise direction.
  • the direction of rotation of the milling / mixing wheels 21, 22, 31, 32 is chosen so that these wheels move tangentially at their point of contact with the inner walls 4 'of the slot due to their rotational movement of the axial movement R of the mill.
  • FIG. 5 shows a construction device 100 on which a trench wall cutter 1 according to the invention is arranged.
  • the construction equipment has an undercarriage 102 configured as a caterpillar drive and a superstructure 101 rotatably mounted thereon.
  • a mast 110 is pivotally articulated about a horizontally extending axis.
  • a hydraulic actuating cylinder 112 is provided, which is directed on the one hand on the upper carriage 101 and on the other hand on a sleeve 114, which surrounds the mast 110 at least in sections.
  • a cable 90 is provided, which can be actuated by a winch 95 arranged on the superstructure 101.
  • the expiring from the winch 95 rope 90 is guided over several pulleys 94, 94 ', 94' 'around the mast 110. From the uppermost guide pulley 94, the cable extends to a rope bottle 92 to which the trench wall cutter 1 is suspended.
  • the rope 90 is reeved in the rope bottle 92 tonnessträngig.
  • hydraulic and fluid lines 120 for supplying the trench wall cutter 1 with hydraulic fluid and settable liquid are also provided on the construction equipment. These hydraulic and fluid lines 120 are windable by means of a superstructure 101 arranged winch device 125. From there, they run over a likewise arranged on the mast 110 guide roller 124 to the trench wall 1.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Claims (15)

  1. Dispositif pour réaliser une paroi moulée dans le sol, avec
    - un châssis (10),
    - au moins une roue de fraisage/roue mixte inférieure (21, 22) placée en bas sur le châssis (10),
    caractérisé en ce que
    - au moins une autre roue de fraisage/roue mixte supérieure (31, 32) placée en haut sur le châssis (10) est présente,
    - dans une zone intermédiaire (12) entre la roue de fraisage/roue mixte supérieure (31, 32) et la roue de fraisage/roue mixte inférieure (21, 22), le châssis (10) est réalisé avec une section inférieure plus petite par rapport à la section de fraisage de la roue de fraisage/roue mixte inférieure (21, 22) au nombre d'au moins une.
  2. Dispositif selon la revendication 1, caractérisé en ce que le châssis (10) est réalisé étranglé entre la roue de fraisage/roue mixte supérieure (31, 32) et la roue de fraisage/roue mixte inférieure (21, 22).
  3. Dispositif selon l'une quelconque des revendications 1 ou 2, caractérisé
    - en ce que la largeur de section (BR) du châssis (10 dans la zone intermédiaire (12) ) est égale aux trois quarts ou moins, en particulier la moitié ou moins, de la largeur de section de fraisage (BF) de la roue de fraisage/roue mixte inférieure (21, 22) au nombre d'au moins une, et/ou
    - en ce que la longueur de section (LR) du châssis (10) dans la zone intermédiaire (12) est égale aux trois quarts ou moins, en particulier la moitié ou moins, de la longueur de section de fraisage (LF) de la roue de fraisage/roue mixte inférieure (21, 22) au nombre d'au moins une.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le châssis (10) et/ou les roues de fraisage/roues mixtes (21, 22, 31, 32) sont réalisées symétriques en miroir, en particulier par rapport à un plan miroir (75) s'étendant perpendiculairement à la direction de progression (80), et/ou à un plan miroir (71, 72) s'étendant dans la direction de progression (80).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé
    - en ce que deux roues de fraisage/roues mixtes inférieures (21, 22) et deux roues de fraisage/roues mixtes supérieures (31, 32.) sont prévues en particulier avec leurs axes parallèles, et
    - en ce que le châssis (10) est réalisé en particulier en X avec une partie centrale (15) de châssis et quatre écrans (24, 25, 34, 35) de fraise placés dessus à l'oblique par rapport à la direction de progression (80), sur lesquels sont montées les roues de fraisage/roues mixtes (21, 22, 31, 32).
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu' en bas, sur le châssis, en particulier entre deux roues de fraisage/roues mixtes inférieures (21, 22) voisines, est prévu un dispositif (50) d'introduction de liquide pour introduire un liquide durcissable dans la tranchée.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé
    - en ce qu 'au moins sur la roue de fraisage/roue mixte inférieure (21, 22) sont prévues des dents (42, 43) de fraise pour évacuer du matériau du sol présent, et
    - en ce que sur le châssis (10) sont prévues des plaques d'évacuation (46, 46') qui dépassent entre des dents (42, 43) de fraise voisines pour libérer les dents (42, 43) de fraise du matériau enlevé du sol.
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que sur le châssis (10) sont prévus des poinçons de commande (60, 60') de préférence à commande hydraulique, qui peuvent être sortis en appui contre les parois intérieures (4, 4') de la tranchée transversalement à la direction de progression (80), en particulier approximativement parallèlement aux axes de rotation des roues de fraisage/roues mixtes (21, 22, 31, 32).
  9. Dispositif selon la revendication 8, caractérisé en ce que des deux côtés du châssis (10) sont placés respectivement deux paires superposées de poinçons de commande.
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'un câble (90) et/ou une tige de forage télescopique est prévu, auquel le châssis (10) est accroché à son extrémité supérieure.
  11. Dispositif selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la section de fraisage de la roue de fraise/roue mixte supérieure (31, 32) au nombre d'au moins une et/ou de la roue de fraise/roue mixte inférieure (21, 22) au nombre d'au moins une est modifiable.
  12. Procédé de réalisation d'une paroi moulée dans le sol au moyen d'un dispositif selon l'une quelconque des revendications 1 à 11, dans lequel
    - il est prévu une fraise (1) pour paroi moulée comportant un châssis (10), deux roues de fraisage/roues mixtes inférieures (21, 22) placées côte à côte en bas sur le châssis (10) et deux roues de fraisage/roues mixtes supérieures (31, 32) placées côte à côte en haut sur le châssis (10),
    - les roues de fraisage/roues mixtes (21, 22, 31, 32) sont mises en rotation au moyen d'un entraînement rotatif, et
    - la fraise (1) pour paroi moulée est enfoncée dans le sol et retirée après avoir atteint une profondeur finale,
    - dans lequel à la fois les deux roues de fraisage/roues mixtes supérieures (31, 32) et les deux roues de fraisage/roues mixtes inférieures (21, 22) sont entraînées chacune en sens inverse au moyen de l'entraînement rotatif.
  13. Procédé selon la revendication 12, caractérisé en ce que le matériau de sol extrait au fond de la tranchée lors de l'enfoncement de la fraise (1) pour paroi moulée est évacué du centre (7) de la fraise par la rotation des roues de fraisage/roues mixtes inférieures (21, 22).
  14. Procédé selon l'une quelconque des revendications 12 ou 13, caractérisé en ce que les roues de fraisage/roues mixtes (21, 31 ; 22, 32) situées l'une au-dessus de l'autre sur le châssis (10) sont entraînées en sens inverse ou dans le même sens.
  15. Procédé selon l'une quelconque des revendications 12 à 14, caractérisé en ce que le sens de rotation d'au moins les roues de fraisage/roues mixtes inférieures (21, 22) est inversé pour retirer la fraise (1) pour paroi moulée.
EP04019987.9A 2004-08-23 2004-08-23 Procédé et appareil pour creuser des tranchées dans le sol Expired - Fee Related EP1640509B2 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP04019987.9A EP1640509B2 (fr) 2004-08-23 2004-08-23 Procédé et appareil pour creuser des tranchées dans le sol
DE502004005279T DE502004005279D1 (de) 2004-08-23 2004-08-23 Vorrichtung und Verfahren zum Erstellen einer Schlitzwand im Erdboden
CA002513826A CA2513826C (fr) 2004-08-23 2005-07-26 Dispositif et methode de construction d'une paroi de tranchee d'enfouissement
US11/189,848 US7363733B2 (en) 2004-08-23 2005-07-27 Device and method for making a trench wall in the soil
SG200504679A SG120233A1 (en) 2004-08-23 2005-07-28 Device and method for making a trench wall in the soil
RU2005125079/03A RU2304197C2 (ru) 2004-08-23 2005-08-08 Устройство и способ для возведения в грунте изоляционных стен
JP2005235603A JP4109687B2 (ja) 2004-08-23 2005-08-16 土壌に溝壁を設ける装置及び方法
KR1020050076604A KR100738896B1 (ko) 2004-08-23 2005-08-22 토양에 트렌치 벽을 만들기 위한 장치 및 방법
CNB2005100966323A CN100434599C (zh) 2004-08-23 2005-08-23 一种在土壤中形成沟壁的装置和方法

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US20060037218A1 (en) 2006-02-23
RU2005125079A (ru) 2007-02-20
EP1640509B2 (fr) 2014-03-05
CN100434599C (zh) 2008-11-19
CA2513826C (fr) 2009-05-12
DE502004005279D1 (de) 2007-11-29
US7363733B2 (en) 2008-04-29
RU2304197C2 (ru) 2007-08-10
KR100738896B1 (ko) 2007-07-12
CA2513826A1 (fr) 2006-02-23
KR20060053194A (ko) 2006-05-19
JP4109687B2 (ja) 2008-07-02
EP1640509A1 (fr) 2006-03-29
CN1739328A (zh) 2006-03-01
SG120233A1 (en) 2006-03-28
JP2006057446A (ja) 2006-03-02

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