EP3485097B1 - Vibrofonceur - Google Patents

Vibrofonceur Download PDF

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Publication number
EP3485097B1
EP3485097B1 EP17745674.6A EP17745674A EP3485097B1 EP 3485097 B1 EP3485097 B1 EP 3485097B1 EP 17745674 A EP17745674 A EP 17745674A EP 3485097 B1 EP3485097 B1 EP 3485097B1
Authority
EP
European Patent Office
Prior art keywords
channels
silo
silo tube
tube
compressed air
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.)
Active
Application number
EP17745674.6A
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German (de)
English (en)
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EP3485097A2 (fr
Inventor
Alexander Degen
Wilhelm Degen
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Individual
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Individual
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Publication date
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Priority to EP20209372.0A priority Critical patent/EP3926099B1/fr
Publication of EP3485097A2 publication Critical patent/EP3485097A2/fr
Application granted granted Critical
Publication of EP3485097B1 publication Critical patent/EP3485097B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
    • E02D3/054—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil involving penetration of the soil, e.g. vibroflotation
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/10—Deep foundations
    • E02D27/12—Pile foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/66—Mould-pipes or other moulds
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/18—Placing by vibrating

Definitions

  • the invention relates to a vibrator arrangement for producing stuffing columns.
  • Stuffing pillars are material pillars that are placed in the ground and used in construction to improve the soil properties for subsequent development.
  • vibrator arrangements can be used that partially penetrate the ground with the help of vibrations and create a borehole in the ground.
  • material such as dry concrete, recycled concrete, rubble, sand, gravel or a mixture thereof, is fed into the borehole via the vibrator arrangement and the material is then compacted.
  • the stuffing column made of material is filled piece by piece up to the surface of the ground.
  • the time required for the production of stuffing columns is largely determined by the time needed to load the vibrator arrangement and to fill the stuffing columns.
  • US 2012/039671 A1 relates to a device for generating a column of compacted material in the ground by means of a vibrating probe.
  • the material to be compacted is fed in via a feed pipe, at the lower end of which the vibrating probe is attached.
  • the feed pipe is designed as a divider pipe which has two outlets.
  • DE 102011 005267 A1 discloses a vibrator arrangement having two silo tubes extending in a longitudinal direction. The filling of the silo tubes with a material to be compacted takes place laterally through external closures which are arranged on a jacket of the silo tube in question.
  • EP 0 543 320 A1 shows an apparatus for producing piles from concrete.
  • the device has a material feed pipe and two, three or four vibrating pipes.
  • NL 7 212 948 A also shows an apparatus for making piles.
  • the device has two spaced apart delivery pipes and a filling pipe running between them, which are rammed together into the ground. Soil gets into the two delivery pipes. When the delivery pipes and the filling pipe are subsequently pulled, a concrete mix is introduced into the ground via the filling pipe.
  • EP 2 241 677 A2 relates to a device for soil compaction with a pipeline for supplying inert materials. as well as a drill set.
  • WO 2015/185121 A1 describes a depth vibrator tube arrangement with a telescopic tube which has tubular bodies which can be displaced relative to one another.
  • the arrangement also includes a conduit.
  • the object on which the invention is based can therefore be seen in creating an improved vibrator arrangement which allows more material to be directed into the borehole per unit of time.
  • An exemplary vibrator arrangement has a silo tube with a longitudinal axis and a first end and a second end.
  • the vibrator arrangement has a vibrator unit which is mechanically coupled to the silo tube, and a filling arrangement which opens into the silo tube at the first end.
  • the filling arrangement is designed to receive material and to guide it into the silo tube, the silo tube having at least two separate channels from the first end to the second end and parallel to the longitudinal axis.
  • FIG. 1 shows two sectional views of an exemplary vibrator arrangement.
  • the vibrator arrangement can have a silo tube 110 with a longitudinal axis 101 and a first end 111 and a second end 112.
  • the silo pipe 110 and a filling arrangement 150 can be rotationally symmetrical to the longitudinal axis 101.
  • the silo tube 110 is that part of the vibrator arrangement which is designed to be used during operation of the vibrator arrangement to penetrate at least partially into the ground.
  • the filling arrangement 150 can be arranged, which opens into the first end 111 of the silo tube 110 and which can be designed to receive material and to guide it into the silo tube 110.
  • the filling arrangement 150 and the silo tube 110 can each have different cross-sectional shapes and cross-sectional sizes in a cross-sectional plane.
  • the cross-sectional planes can run perpendicular to the longitudinal axis 101 of the silo tube 110.
  • the material can be, for example, rubble, sand, gravel or a mixture thereof.
  • the silo tube 110 can be divided into at least two channels 121 and 122 from the first end 111 to the second end 112 and parallel to and / or along the longitudinal axis 101 of the silo tube 110.
  • the channels 121 and 122 can be separated from one another by a web 131, for example.
  • the channels 121 and 122 can also be separated from one another in a gas-tight manner and can have at least approximately the same surface area in a cross-sectional plane which is arranged perpendicular to the longitudinal axis 101 of the silo tube 110.
  • the filling arrangement 150 which opens into the first end 111 of the silo tube 110, can have one or more chambers.
  • the filling arrangement 150 has two chambers 151 and 152.
  • the number of chambers can be selected depending on the number of channels in the silo tube 110.
  • the chambers 151 and 152 are separated from one another in a gastight manner.
  • a respective chamber 151 or 152 of the filling arrangement 150 can be connected to a respective channel 121 or 122 of the silo tube 110. Material can be fed into the channels 121 and 122 of the silo tube 110 via the chambers 151 and 152 of the filling arrangement 150.
  • the chambers 151 and 152 can be designed to receive a predefined amount of material and to deliver it into the channels 121 and 122 of the silo tube 110.
  • the chambers 151 and 152 can have one or more funnels 153 which facilitate the filling of the chambers 151 and 152.
  • each of the chambers 151 and 152 of the filler assembly 150 can both through a respective first valve 154 and 155 and through a respective one second valve 156 and 157 are opened or closed.
  • the first valves 154 and 155 each form a gas-tight lock with the second valves 156 and 157.
  • the gas can be compressed air or a gas mixture under pressure, for example.
  • the vibrator arrangement can have a vibrator unit 140 which can be arranged at the second end 112 and optionally also partially inside the silo tube 110 and / or can be mechanically coupled to it.
  • the vibrator unit 140 can generate mechanical vibrations which mainly propagate in the transverse direction of the silo tube 110.
  • the vibrator unit 140 can penetrate the ground with the vibrator unit 140 in advance.
  • the channels 121 and 122 of the silo tube 110 can be arranged axially to the longitudinal axis 101 around the vibrator unit 140.
  • the valves 154 and 155 are open and material can flow from the hopper 153 into the chambers 151 and 152.
  • the valves 156 and 157 are closed.
  • valves 156 and 157 are open and material can flow from the chambers 151 and 152 into the silo tube 110, in particular into the channels 121 and 122.
  • the valves 154 and 155 are closed.
  • the channels 121 and 122 can be designed in such a way that they adapt to or cling to an outer contour of the vibrator unit 140 in a space-saving manner as possible.
  • FIGS. 2 and 3 show perspective views of the silo pipe 110 in a further example.
  • the silo tube 110 can have one or more channels 121, 122, 123 and 124 (four channels are shown in the figures) and can have one or more supply channels that run parallel to the longitudinal axis 101 and partially inside the silo tube 110.
  • the silo pipe 110 has four supply channels.
  • two of four supply channels 125 and 126 can be seen.
  • the supply channels 125 and 126 can be gas-tight and in the silo tube 110 be separated from the channels 121, 122, 123 and 124 of the silo tube 110, for example, via a web 131 or a tube.
  • Lines such as compressed air lines, electrical lines, hydraulic lines, data lines or water lines can be arranged in the interior of the supply channels 125 and 126.
  • the vibrator unit 140 can be supplied with electrical voltage via an electrical line that leads from the first end 111 of the silo tube 110 through the supply channels to the vibrator unit 140.
  • water can be conducted to the second end 112 of the silo pipe 110 through the supply channels 125 and 126 or through a water line which lies in the supply channels 125 and 126.
  • the vibrator arrangement can also have separate compressors for generating compressed air for each channel 121, 122, 123 and 124 of the silo tube 110.
  • the supply channels can be arranged around the vibrator unit 140 and distributed evenly.
  • the supply channels 125 and 126 or the lines in the supply channels 125 and 126 can open into at least one of the channels 121, 122, 123 and 124 of the silo tube 110 in the area of the vibrator unit 140.
  • the supply channels 125 and 126 or the lines in the supply channels 125 and 127 can also open into at least one of the channels 121, 122, 123 and 124 of the silo tube 110 in the region of the first end 111 of the silo tube 110.
  • the supply channels 125 and 126 or the lines in the supply channels 125 and 126 can open into the channels 121, 122, 123 and 124 of the silo tube 110 at several points.
  • FIG 4 a sectional view of the silo pipe 110 is shown.
  • the silo tube 110 has four channels 121, 122, 123 and 124.
  • the channels 121, 122, 123 and 124 of the silo tube 110 can be routed around the vibrator unit 140 and enclose the vibrator unit 140.
  • the supply channels 125 and 126 can also be arranged around the vibrator unit 140.
  • the vibrator unit 140 can be electrically operated via a supply channel 127 Be supplied with electricity. Compressed air is introduced into the channel 121 in the area of a plane 160 via the supply channel 125.
  • compressed air can be introduced into the channel 121 in the area of a plane 161 which is arranged perpendicular to the longitudinal axis 101 of the silo tube 110.
  • the silo tube 110 after Figure 4 can have a circular cross section in a plane which is oriented perpendicular to the longitudinal axis 101.
  • the circular arrangement makes it possible to accommodate several supply channels in the silo tube 110. In the example shown, these are the supply channels 125, 126, 127, 128, 129, 171, 172, 173 and 174. Via the supply channels 125, 126, 127, 128, 129, 171, 172, 173 and 174, for example, water can be fed into the Borehole.
  • Figure 5 shows a sectional view of an exemplary silo pipe 110 with only one channel 121 and two supply channels 125 and 126.
  • the vibrator unit 140 can be supplied with electrical power via the supply channel 126.
  • Compressed air is introduced into the channel 121 in the area of a plane 160 via the supply channel 125.
  • compressed air can be introduced into the channel 121 in the area of a plane 161 which is arranged perpendicular to the longitudinal axis 101 of the silo tube 110. It is possible to choose between a compressed air supply in the area of level 160 and a compressed air supply in the area of level 161 and to control them independently of one another.
  • Figure 6 shows a sectional view of an exemplary silo pipe 110 with two channels 123 and 124 and two supply channels 125 and 126.
  • the vibrator unit 140 can be supplied with electrical power via the supply channel 127.
  • Compressed air in the area of level 160 and / or in level 161 can be introduced into one of the channels 123 and 124 via the supply channels 125 and 126.
  • the channels 123 and 124 are separated from one another in a gas-tight manner and can each be supplied with compressed air by a separate compressor and independently of one another. This ensures that both channels 123 and 124 can be supplied with the same pressure and the same volume flow of compressed air. A clogging of an individual channel can thereby be reliably prevented.
  • the pressure and the volume flow of the compressed air can be in both channels 123 and 124 be different.
  • the compressed air can be supplied to the two channels via a common compressor.
  • a valve can be used that distributes the pressure and the volume flow of the compressed air to both channels, in particular evenly. The aim is to prevent significantly more compressed air from escaping through one of the two channels 123 or 124 than through the other channel 123 or 124.
  • the vibrator arrangement described can be used for the production of stuffing columns.
  • the vibrator arrangement with the filling arrangement 150 can be suspended from a crane or other lifting device (not shown).
  • the vibrator arrangement can then be moved to the desired position on the stuffing column by crane.
  • the vibrator unit 140 can be switched on and the second end 112 of the silo tube 110 can be brought into contact with the ground.
  • the silo pipe 110 of the vibrator arrangement penetrates into the ground to a predefined depth and thereby creates a borehole (not shown).
  • water can be blown out at the second end 112 of the silo tube 110. This measure cools the second end 112 of the silo tube 110 and keeps the borehole free.
  • the water can also flow off between the silo pipe 110 and the ground and from the second end 112 of the silo pipe 110 in the direction of the earth's surface. As a result, the friction between the silo pipe 110 and the ground can be reduced.
  • the crane can lift the vibrator arrangement a predefined distance out of the borehole and guide material from the channels 121 and 122 of the silo tube 110 into the borehole.
  • the material can be conveyed out of the channels 121 and 122 under the action of gas, in particular compressed air.
  • compressed air is introduced into the channels 121 and 122 in the region of the first end 112 of the silo tube 110 via one or more upper compressed air feeds.
  • the number of upper compressed air supplies can be determined depending on the number of channels 121 and 122 in the Silo pipe 110 can be selected.
  • one or more lower compressed air feeds can open into the channels 121 and 122 of the silo tube 110 and compressed air at least partially into the channels 121 and 122 or through the channels 121 and 122 from the second end 112 of the silo tube 110 out.
  • the plane 160 can be arranged perpendicular to the longitudinal axis 101.
  • the number of lower compressed air supplies can be selected depending on the number of channels 121 and 122 in the silo tube 110.
  • the line or the supply channel 125 or 126, which in the region of the second end 112 of the silo tube 110 introduces compressed air into the channels 121 and 122, can also be referred to as an injection line.
  • Dilatancy is understood to mean an increase in the volume and thus an increase in the viscosity of a granulate such as a material.
  • the dilatancy occurs in densely packed granular material that is subject to high shear forces. This is the case if the material is only blown out of the channels 121 and 122 via the upper compressed air supply. As a result, the channels 121 and 122 in the area of the second end 112 of the silo tube 110 are blocked.
  • the additional use of the injection line ensures that the material can be discharged unhindered from the channels 121 and 122 into the borehole.
  • the pressure and the volume flow that is introduced into the channels 121 and 122 via the injection line can be controlled.
  • the pressure and the volume flow in the injection line (lower compressed air supply) can be regulated.
  • the pressure and the volume flow of the upper compressed air supply can be regulated.
  • the vibrator arrangement is reintroduced into the borehole by a predefined distance and the material introduced is thereby clogged laterally in the ground and compacted.
  • the process steps described can be repeated until the stuffing column is completed in the desired diameter.
  • FIG. 13 shows a perspective view of a vibrator assembly according to another example.
  • This vibrator arrangement comprises a silo tube 510, a filling arrangement 550 for charging the silo tube 510 with material and a supply unit 520 for feeding material into the filling arrangement 550.
  • the material can be, for example, rubble, sand, gravel or a mixture thereof.
  • the silo tube 510 has a longitudinal axis 501 and a first end 511 and a second end 512.
  • the silo tube 510 and the filling arrangement 550 of the vibrator arrangement can be rotationally symmetrical to the longitudinal axis 501.
  • the filling arrangement 550 opens into the silo tube 510 at the first end 511 and can receive material and guide it into the silo tube 510.
  • the supply unit 520 can convey and fill material for the filling arrangement 550 of the silo tube 510.
  • the supply unit 520 can be arranged at least on the silo tube 510 or on the filling arrangement 550 in such a way that the supply unit 520 can move parallel to the longitudinal axis 501 of the silo tube 510.
  • the vibrator arrangement can have a vibrator unit 540 which can be attached in the area of the second end 517 and in the interior of the silo tube 510.
  • the silo tube 510 can have at least two channels 513, 514, as shown on the basis of the Figures 1-6 was explained. However, this is only an example.
  • the silo tube 510 can also be designed such that it has only one or more channels.
  • the vibrator arrangement can have a support frame 560 which is arranged on a side of the filling arrangement 550 which faces away from the first side of the silo tube 510.
  • the vibrator arrangement can be suspended from a crane via the support frame 560.
  • the support frame 560 can be constructed as a tubular space frame and have one or more cable winches 530 and 531.
  • the cable winches 530 and 531 can be fastened to the support frame 560 in terms of their position and their orientation to the support frame 560 and have cables 532 and 533, one end of which is fastened to the respective cable winch 530 and 531 and another end to the supply unit 520.
  • the vibrator arrangement has two cable winches 530 and 531 with cables 532 and 533.
  • the cables 532 and 533 can each be guided over a deflection pulley 534 (another deflection pulley, which is attached to the support frame 560 for the cable winch 531, is not shown), which is attached to the support frame 560.
  • the cables 532 and 533 can be guided over further deflection pulleys 535, 536, 538 and 539, which are attached to the supply unit 520.
  • the support frame 560 and the supply unit 520 can each have a cross section perpendicular to the longitudinal axis 501 of the silo tube 510.
  • the cross sections of the support frame 560 and the supply unit 520 can be rectangular in shape.
  • the deflection rollers 534, 535, 536, 538, 539 and the further deflection roller can be as far away as possible from the longitudinal axis 501 of the silo tube on the support frame 560 and be arranged on the supply unit 520.
  • the ropes 532 and 533 can be wound or unwound from the rope winches 530 and 531.
  • the supply unit 520 can move away from the support frame 560 along the longitudinal axis 501 of the silo tube 510 when the ropes 532 and 533 are unwound from the winches 530 and 531.
  • the vibrator arrangement can also have three or more cable winches.
  • the vibrator assembly have four cable winches, whereby a tilting of the supply unit 520 can be ensured even without the use of pulleys.
  • the four ropes of the four rope winches can be mechanically connected directly to the supply unit 520 at the points where the pulleys 535, 536, 538 and 539 are mounted in the previous example.
  • the silo tube 510 of the vibrator arrangement can be replaced by the silo tube 110, which is used in connection with the Figures 1 - 6 has been described.
  • the vibrator arrangement can be suspended from a crane or an excavator via a pulley 570.
  • the deflection roller 570 can also be referred to as a roller head.
  • the supply unit 520 can be a tubular space frame in which one or more material containers 521 or 522 are arranged.
  • the supply unit 520 can surround the filling arrangement 550 of the vibrator arrangement and be arranged on the latter.
  • the supply unit 520 can have guide elements 523 which rest on an outside of the filling arrangement 550 and guide the supply unit 520 on the filling arrangement 550.
  • the filling arrangement 550 and the silo tube 510 can have different cross-sectional areas and cross-sectional shapes perpendicular to the longitudinal axis 501 of the silo tube 510.
  • the silo tube 510 can have a circular cross section and the filling arrangement 550 can have an elliptical shape.
  • the guide elements 523 can be designed so that they can adapt to the different cross-sections and can guide the supply unit 520 both on the filling arrangement 550 and on the silo pipe 510.
  • the guide elements 523 can be rollers or runners which are pressed by a spring perpendicular to the longitudinal axis 501 of the silo tube 510 against the filling arrangement 550 or the silo tube 510.
  • the guide elements 523 can also be designed such that the supply unit 520 cannot rotate about the longitudinal axis 501 of the silo tube 510.
  • the guide elements 523 have a rail system. It is also possible that both the silo tube 501 and the supply unit 520 are arranged and guided on a leader (not shown).
  • the supply unit 520 is shown in section.
  • the longitudinal axis 501 can be parallel to an effective direction of gravity and / or thus approximately perpendicular to the earth's surface.
  • the two material containers 521 and 522 can be arranged on opposite sides of the silo tube 510 in relation to the longitudinal axis 501 of the silo tube 510. Furthermore, through the design of the two material containers 521 and 522, it can be achieved that the weight distribution of the material added to them is likewise approximately equal parts by weight to the left and right of the longitudinal axis 501.
  • This symmetrical arrangement in relation to the weight allows the weight of the supply unit 520 to be balanced so that the center of gravity of the supply unit 520 when the vibrator arrangement is in operation lies on the longitudinal axis 501 of the silo tube 510 and also moves along this longitudinal axis 501, both when it is full and when it is full in the empty state of the material containers 521 and 522.
  • the supply unit 520 thereby does not transfer any bending moment to the silo tube 510 or to the filling arrangement 550, which would lead to an at least undesired but often impermissible deviation from the verticality during the production of the material columns.
  • the design can also ensure that the orientation of the longitudinal axis 501 in relation to the earth's surface does not change regardless of a loading state of the material containers 521 and 522.
  • the material containers 521 and 522 can also be replaced by a material container (not shown) designed as an integral component.
  • the statements on the material containers 521 and 522 apply equally to the material container as an integral component, which can also be referred to as a hopper.
  • the material containers 521 and 522 taper in the direction of the silo tube 510 and can open into the filling arrangement 550.
  • a pipe section 551 and 553 is arranged in the filling arrangement 550 for each material container 521 and 522, which pipe section guides the material from the material container 521 and 522 at least into the filling arrangement 550 or into the silo pipe 510.
  • a material valve 552 or 554, which enables or blocks the flow of material into the silo tube 510, can be arranged on the sides of the pipe sections 551 and 553 facing the silo tube 510.
  • the material in the material containers 521 and 522 can be emptied into the filling arrangement 550 via closures which open into the pipe sections 551 and 553.
  • the closures can be, for example, snap locks, cone locks or slide locks.
  • the closures can be both active and passive components.
  • the silo tube 510 has two channels 521 and 522, which extend along the longitudinal axis 501 of the silo tube 510 and are separated from one another by a web 561.
  • a supply channel 525 can be arranged, which can accommodate compressed air lines, water lines, hydraulic lines or electrical lines, for example.
  • the supply channel 525 can also be a water line in itself, which guides water to the second end 512 of the silo pipe 510.
  • the silo tube 510 of the vibrator arrangement can have at least partially penetrated into the ground.
  • material is introduced via the silo tube 510 into a borehole (not shown) formed by the silo tube 510.
  • the supply unit 520 is lowered by the cable winches 530 and 531 along the silo tube 510 to the surface of the ground. While the supply unit 520 is standing on the ground, the cables 532 and 533 are held taut by the cable winches 530 and 531 by a slight pre-tension.
  • the material containers 521 and 522 can be filled with material, for example by a wheel loader.
  • the hopper 610 can be configured in such a way that it can be loaded completely and without restriction from only one side of the material container.
  • the material containers 521 and 522 can be designed and mechanically coupled to one another in such a way that, starting from one side of the supply unit 520, all of the material containers 521 and 522 of the supply unit 520 can be loaded.
  • the material containers 521 and 522 can be funnel-shaped for this purpose and can be connected to one another via a channel that guides material from one into the other material container 521 and 522.
  • the material containers 521 and 522 After the material containers 521 and 522 have been loaded, they can be pulled by the cable winches 530 and 531 along the silo tube 510 in the direction of the first end 511 of the silo tube 510 as far as the filling arrangement 550.
  • the cable winches 530 and 531 pull the supply unit 520 exactly as far to the filling arrangement 550 that the material containers 521 and 522 can be emptied into the filling arrangement 550 via the closures.
  • the material is then at least partially fed into the filling arrangement 550 or into the silo tube 510 via the valves 552 and 554.
  • the supply unit 520 can be moved back towards the ground by the cable winches 530 and 531.
  • the material containers 521 and 522 can be filled again and conveyed to the filling arrangement 550 of the vibrator arrangement. Thanks to the cable winches 530 and 531 mounted on the vibrator arrangement, the vibrator arrangement can penetrate further into the ground, fill the borehole or compact the material in the borehole, independently of the filling of the material containers 521 and 522. This process can be repeated until the stuffing column is completely filled.
  • driving the silo tube 510, controlling the winches 530 and 531, and the fluid valves 552 and 554 of FIG an at least partially automated control can be taken over.
  • an at least partially automated control (not shown) can be taken over.
  • the process of filling the borehole and loading the silo tube 510 with material can take place simultaneously and without any coordination effort by the crane operator. It is thereby possible to convey larger quantities of material per unit of time into the silo tube 510 than would be possible without such a control.
  • the processes of filling the borehole and loading the silo tube 510 with material can take place simultaneously.
  • the supply unit 520 can also be moved along the silo tube 510 by a further cable winch.
  • This alternative can also be referred to as the riding style of the supply unit 520.
  • the vibrator arrangement can be attached to the crane via a double pulley head and controlled electronically for a twist-proof attachment and / or for cable guidance when using the additional cable winch.
  • the electronic control can be designed, for example, so that a movement of the silo tube 510 into or out of the borehole is compensated for by the additional cable winch.
  • a crane operator can completely control the vibrator arrangement using simple commands. There is no need for manual and separate control of the vibrator, crane and supply unit.
  • the supply unit 520 can be controlled via the further cable winch in such a way that the supply unit 520 does not move or moves only in a predefined manner relative to the silo tube 510.
  • the movements of the silo tube 510 can be synchronized with the movements of the supply unit 520.
  • the weight of the supply unit 520 is taken up by the additional cable winch.
  • the supply unit 520 can only transmit a very small or no bending moment to at least the silo pipe 510 or the filling arrangement 550.
  • the center of gravity of the supply unit 520 can therefore also lie outside the longitudinal axis 501 and move outside the longitudinal axis 501 without a significant bending moment being created on the silo pipe 510 or the filling arrangement 550.
  • an upper side of an exemplary vibrator arrangement is shown, which has the deflection roller 570 and four cable winches 571, 572, 573 and 574.
  • the vibrator arrangement can be suspended from a crane or an excavator via the deflection roller 570.
  • the ones in the Figures 7 to 12 The illustrated vibrator arrangements each have two cable winches 530 and 531 with which, for example, the supply unit 520 is moved along the silo pipe.
  • the exemplary vibrator arrangement in FIG Figure 13 two additional winches.
  • the cable winches 571, 572, 573 and 574 shown are used to move the supply unit 520.
  • the ropes of the cable winches 571, 572, 573 and 574 can be attached to the four outermost corners of the supply unit 520 to allow the supply unit to rotate around the longitudinal axis (in Fig. 13 not shown).
  • a synchronous winding or unwinding of the cable winches 571, 572, 573 and 574 moves the supply unit 520 along the silo pipe.
  • FIG. 10 shows a perspective view of an exemplary pouring hopper 610.
  • the pouring hopper 610 can have one or more material pits 621 and 622 and one or more guide rails 631.
  • the hopper 610 can be guided by the guide rails at least on the silo tube 510 or on the filling arrangement 550.
  • the two material pits 621 and 622 can be arranged parallel and at a predefined distance from one another and be symmetrical in area to one another with respect to a predefined plane. Each of the material pits 621 and 622 can have a first side surface, the two first side surfaces running genuinely parallel to one another and also parallel to the predefined plane.
  • the two material pits 621 and 622 can be mechanically connected via a drainage plate 611 to form a U-shaped, in particular horseshoe-shaped, pouring hopper 610.
  • the drainage plate 611 connects the two first ends of the material pits 621 and 622.
  • a U-shaped pouring hopper 610 can be understood to mean that it is in the installed state and while it is moving at least along the silo pipe 510 or the filling arrangement 550, at least the silo pipe 510 or encompasses the filling arrangement 550 in a U-shape.
  • the U-shaped hopper 610 can be the silo pipe 510 or enclose the filling assembly 550 at an angle of 160 ° to 300 °, an angle of 160 ° to 200 ° or an angle of approximately 180 °. The same also applies to a horseshoe-shaped hopper.
  • the drainage plate 611 can be designed in the form of a two-sided ramp. In each case one side of the two-sided ramp drops in the direction of one of the material pits 621 and 622, so that material is distributed over the two material pits 621 and 622 when it is filled in the area of the drainage plate 611.
  • the highest point of the two-sided ramp can lie in the predefined plane and thus be arranged parallel to the two side surfaces at the same time.
  • the hopper 610 can also be accommodated in the supply unit 520 or linked directly from the cable winches 530 and 531.
  • the hopper 610 can be articulated and moved via the cable winches 530 and 531 in the same way as was already described in connection with the supply unit 520.
  • the hopper 610 can be suspended from at least four of its outer corners via deflection pulleys and moved along the vibrator arrangement with the cable winches 530 and 531.
  • the material pits 621 and 622 are arranged in such a way that, in the assembled state of the hopper 610 on the vibrator arrangement, they are arranged on opposite sides of at least the silo pipe 510 or the filling arrangement 550.
  • the drainage plate 611 can serve to facilitate filling of the hopper 610.
  • the drainage plate 611 can be designed in such a way that an even filling of the hopper 610 is promoted and the material is evenly distributed over both material pits 621 and 622 when it is poured into the hopper 610.
  • the geometric shape of the material pits 621 and 622 can be designed in such a way that the material is largely deposited in such a way that its center of gravity is approximately in the axis 501.
  • FIG. 15 shows the hopper 610 in a further perspective view.
  • Each of the material pits 621 and 622 may have one or more closures 641 and 642.
  • the two closures are 641 and 642 Flap closures, the closure 641 being shown in the open state.
  • other types of locks such as cone locks or slide locks, can also be provided.
  • the closures can be active or passive components and can also be referred to as valves.
  • closures 641 and 642 can be spring loaded closures, particularly flap valves. These can be designed in such a way that, in the closed state, they are already prestressed in their opening direction.
  • springs can be used which are tensioned when the locks 641 and 642 are closed.
  • the closures 641 and 642 can be unlocked via a suitable unlocking mechanism. Due to the force of the springs, the closures 641 and 642 open automatically and the material can flow out of the pouring funnel 610 and into the filling arrangement 550. If the pouring funnel 610 leaves its predefined position again in the area of the filling arrangement 550, the closures 641 and 642 can be closed again automatically by means of a suitable mechanical device and with tensioning of the springs.
  • Figure 16 shows a sectional view of a vibrator arrangement with a silo pipe 651 and a longitudinal axis 650 of the silo pipe 651.
  • a filling arrangement 652 is arranged on the silo pipe 651 on a first side of the silo pipe 651.
  • the filling arrangement 652 runs parallel to the longitudinal axis 650.
  • the vibrator arrangement can also be one of the vibrator arrangements described otherwise.
  • a hopper 653 is in a predefined position on the filling arrangement 652, in which material can flow from the hopper 653 into the filling arrangement 652.
  • This position can be referred to as the filling position.
  • the hopper 653 can be the hopper 610 already described.
  • the material can flow independently from the pouring funnel 653 via at least one valve 660 into the filling arrangement 652 or be conveyed into it, wherein the valve 660 can be a slide valve with a slide plate 662.
  • the valve 660 can also be a guillotine valve or be referred to as such, the functional principle of the valve being similar to that of a guillotine. It can be attached to the filling assembly 652 or to the hopper 653. If the valve 660 is attached to the pouring funnel 653, it also moves with this during operation parallel to the longitudinal axis 650.
  • valve 660 In Figure 17 a detailed view of the valve 660 can be seen.
  • the illustration shows the valve 660 in the filling position of the pouring funnel 653.
  • the valve 660 is therefore shown in the open state and material can flow from the pouring funnel 653 into the filling arrangement 652.
  • the valve 660 In the closed state, the valve 660 can be pretensioned in the closing direction by the action of a spring 663.
  • the closing direction runs parallel to the longitudinal axis 650 and away from the first end of the silo tube 651.
  • the spring 663 can be connected to the slide plate 662 at a first end and to the hopper 653 at a second end.
  • the spring 663 can be mounted with its second end on the hopper 653.
  • the preload by the spring 663 enables the valve 660 to be reliably closed if the pouring funnel 653 is not located at the predefined filling position but is moved, for example, along the vibrator arrangement. If the pouring funnel 653 moves from the silo tube 651 in the direction of the filling position, a side of the slide plate 662 opposite the spring 663 first rests against a stop point 664 on the filling arrangement 652. If the pouring funnel 653 then moves further in the direction of the filling position, the slide plate 662 is pressed against the force of the spring 663. As a result, an opening 665 in the slide plate 662 also moves against the force of the spring 663 and opens a passage for material from the hopper 653 into the filling arrangement 652.
  • the slide plate 662 can also be moved via a linear drive 666.
  • the linear drive 666 can be a hydraulic, an electric or a pneumatic linear drive.
  • FIG. 19 illustrates an exemplary supply unit 700 with a silo pipe 701 and a hopper 710.
  • the hopper 710 is guided on the silo pipe 701 via a guide system 720 and is connected to at least one cable winch (not shown) via cables 711 and 712. With the aid of the ropes 711 and 712, the hopper 710 can be moved along the silo tube 701.
  • the guide system 720 can prevent the hopper 710 from tilting with respect to the silo pipe 701.
  • the hopper 710 and the guide system 720 can also be connected to a frame 730. At least one spring strut can be attached to the side of the frame 730 facing away from the hopper 710. In the example shown, four spring struts 740, 741, 742 and 743 are shown, which are directed towards the surface of the earth or towards the subsoil to be processed. When moving the hopper 710 along the silo pipe 701, if it has to be refilled, it is placed on the ground to be processed.
  • the spring struts 740, 741, 742 and 743 are intended to cushion any contact with the ground to be processed and thus protect the entire vibrator arrangement and in particular the hopper 710 from damage.
  • the suspension struts 740, 741, 742 and 743 can, in addition to pure suspension struts, also be spring-damper struts, as a result of which an additional vibration induced by the contact is dampened.
  • FIG. 13 shows an enlarged sectional view of FIG Figure 19 .
  • the guide system 720 has two guide arms 721 and 722, each of which can be designed as a double scissor linkage.
  • the two guide arms 721 and 722 are pressed against one another via springs, hydraulic linear drives or a gas pressure damper 723 and thus enclose the silo tube 701 on one side.
  • At each of the The side of the guide arms 721 and 722 facing the silo tube 701 can each have a guide roller 725 attached.
  • the guide arms 721 and 722 can roll over this guide roller 725 when the hopper 710 is moved along an outside of the silo pipe 701.
  • the guide arms 721 and 722 can thereby guide the hopper 710 along the silo pipe 701 or on a filling arrangement 550 attached to the silo pipe 701 with little wear.
  • FIG. 21 Exemplary methods for filling the silo tubes of the vibrator arrangements described are shown.
  • the Figures 21a to 21d show method steps of a first method variant.
  • the illustrated vibrator arrangement has a silo tube 810 and a supply unit 820, wherein the silo tube 810 can be separately connected to a crane or an excavator and suspended from a crane or an excavator via a rope 811 and the supply unit 820 via a rope 821.
  • a cable winch can be provided on the crane or excavator for both the cable 811 and the cable 821.
  • the suspended silo tube 810 is then placed on a substrate 800 to be processed and a borehole 801 is then drilled into it.
  • the silo tube 810 is constantly moved up and down via the rope 811, while the supply unit 820 can be moved independently of this via the rope 821 relative to the silo tube 810.
  • the supply unit 820 is lowered in the direction of the subsurface 800.
  • the movement of the cable 821 is stopped and the supply unit 820 stands on the ground 800 solely by its own weight.
  • the supply unit 820 can be filled with new material.
  • Figure 21c shows how, after filling, the supply unit 820 is pulled up again along the silo pipe 810 via the rope 821 and away from the ground 800.
  • the supply unit 820 has arrived at its predefined filling position on the silo tube 810 or on the filling arrangement attached to it.
  • the rope 821 is moved in such a way that the supply unit 820 moves synchronously with the silo tube 810. This achieves synchronization between the silo tube 810 and the supply unit 820, which allows the material from the supply unit 820 to be transferred to the silo tube 810 in a process-reliable manner.
  • the Figures 21e to 21h show method steps of a second method variant.
  • the silo pipe 810 is suspended from an excavator or a crane by means of a rope 811.
  • the silo tube 810 also has a support frame 830 which is mechanically connected to the silo tube 810.
  • the supply unit 820 is attached to the support frame 830 via at least one cable 821.
  • the supply unit 820 can be moved relative to the support frame 830 and thus also relative to the silo tube 810 via the cable 821.
  • at least one cable winch can be attached on or in the support frame 830.
  • the supply unit 820 is lowered in the direction of the ground 800, during which the silo tube 810 is moved up and down via the rope 811.
  • the supply unit 820 stands on the ground 800 while the silo pipe 810 is moved up and down.
  • the ropes 821 of the supply unit 820 move anti-cyclically to the movement of the silo tube 810 during this method step. This can be understood to mean that the ropes 821 are pulled up in the direction of the support frame 830 while the silo tube 810 moves in the direction of the ground 800. The same applies vice versa. If the silo tube 810 moves out of the borehole 801, the cables 821 are unrolled from the support frame in the direction of the ground. The rope winch on the crane or excavator always moves the rope 811 in this state against the direction of movement of the rope 821.
  • the silo tube 810 continues to move up and down, whereas the supply unit 820 is lifted away from the ground 800 via the cables 821.
  • the supply unit 820 has arrived at its predefined filling position on the silo tube 810 or on the filling arrangement attached to it.
  • the movement of the rope 821 is stopped and the supply unit 820 then moves synchronously with the silo tube 810. This results in synchronism between the silo tube 810 and the supply unit 820, which allows the material from the supply unit 820 to be transferred to the silo tube 810 in a process-reliable manner.
  • the silo tube 810 is also moved up and down in the borehole during the transfer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Surgical Instruments (AREA)

Claims (15)

  1. Vibrofonceur présentant :
    un tube de silo (110) avec un axe longitudinal (101) ainsi qu'une première extrémité (111) et une seconde extrémité (112) ;
    une unité vibrante (140) qui est couplée mécaniquement au tube de silo (110), et
    un agencement de remplissage (150) qui débouche dans le tube de silo (110) et est conçu pour recevoir du matériau et pour le guider dans le tube de silo (110), dans lequel
    le tube de silo (110) présente au moins deux canaux séparés (121 ; 122) de la première extrémité (111) à la seconde extrémité (112) et parallèlement à l'axe longitudinal (101), caractérisé en ce que
    l'agencement de remplissage (150) débouche dans le tube de silo (110) au niveau de la première extrémité (111).
  2. Vibrofonceur selon la revendication 1, dans lequel le tube de silo (110) présente au moins deux canaux d'alimentation (125 ; 126) qui débouchent chacun dans l'un des canaux (121 ; 122) et sont conçus pour introduire de l'air comprimé dans les canaux (121 ; 122).
  3. Vibrofonceur selon la revendication 2, qui est conçu pour commander séparément la pression et le débit volumique de l'air comprimé introduit pour chaque canal (121 ; 122).
  4. Vibrofonceur selon l'une des revendications 1 à 3, dans lequel les au moins deux canaux (121 ; 122) sont séparés l'un de l'autre de manière étanche aux gaz.
  5. Vibrofonceur selon l'une des revendications précédentes, dans lequel les canaux (121; 122) sont séparés les uns des autres par une ou plusieurs entretoises (131).
  6. Vibrofonceur selon l'une des revendications précédentes, dans lequel l'agencement de remplissage (150) présente au moins deux chambres (151 ; 152), dont chacune débouche dans l'un des au moins deux canaux (121 ; 122).
  7. Vibrofonceur selon l'une des revendications précédentes, dans lequel chacune des au moins deux chambres (151 ; 152) présente au moins deux soupapes (154 ; 155 ; 156 ; 157).
  8. Vibrofonceur selon l'une des revendications précédentes, présentant en outre :
    au moins une alimentation supérieure en air comprimé, qui débouche dans l'un des au moins deux canaux (121 ; 122) dans la région de la première extrémité (111) du tube de silo (110) et est conçue pour guider l'air comprimé à l'intérieur de l'un canal (121 ; 122).
  9. Vibrofonceur selon la revendication 8, qui présente un certain nombre d'alimentations supérieures en air comprimé correspondant au nombre des canaux, dans lequel chacune des alimentations supérieures en air comprimé débouche dans l'un des au moins deux canaux (121 ; 122) dans la région de la première extrémité (111) du tube de silo.
  10. Vibrofonceur selon l'une des revendications précédentes, présentant en outre :
    au moins une alimentation inférieure en air comprimé, qui débouche dans l'un des au moins deux canaux (121 ; 122) dans la région d'un plan (160) du tube de silo (110) et est conçue pour guider l'air comprimé à l'intérieur de l'un canal (121 ; 122).
  11. Vibrofonceur selon la revendication 10, qui présente un certain nombre d'alimentations inférieures en air comprimé correspondant au nombre de canaux, dans lequel chacune des alimentations inférieures d'air comprimé débouche dans l'un des au moins deux canaux (121 ; 122) dans la région de la seconde extrémité (112) du tube de silo (110).
  12. Vibrofonceur selon l'une des revendications précédentes, dans lequel le tube de silo (110) présente au moins un canal d'alimentation (125 ; 126 ; 127 ; 128 ; 129 ; 171 ; 172 ; 173 ; 174) qui s'étend parallèlement à l'axe longitudinal (101) et à l'intérieur du tube de silo (110).
  13. Vibrofonceur selon la revendication 12, dans lequel l'au moins un canal d'alimentation (125 ; 126 ; 127 ; 128 ; 129 ; 171 ; 172 ; 173 ; 174) est conçu pour recevoir au moins une conduite d'air comprimé ou une ligne électrique.
  14. Vibrofonceur selon l'une des revendications précédentes, dans lequel l'unité vibrante est fixée à la seconde extrémité (111) du tube de silo (110).
  15. Vibrofonceur selon l'une des revendications précédentes, dans lequel les au moins deux canaux (121 ; 122) du tube de silo (110) présentent au moins approximativement la même surface dans un plan en coupe transversale s'étendant perpendiculairement à l'axe longitudinal du tube de silo (110).
EP17745674.6A 2016-07-15 2017-07-17 Vibrofonceur Active EP3485097B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20209372.0A EP3926099B1 (fr) 2016-07-15 2017-07-17 Vibrofonceur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016113140.7A DE102016113140A1 (de) 2016-07-15 2016-07-15 Rüttleranordnung zum Herstellen von Stopfsäulen
PCT/EP2017/068033 WO2018011435A2 (fr) 2016-07-15 2017-07-17 Système vibreur pour la production de colonnes ballastées et procédé de fabrication de colonnes ballastées

Related Child Applications (1)

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EP20209372.0A Division EP3926099B1 (fr) 2016-07-15 2017-07-17 Vibrofonceur

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EP (2) EP3485097B1 (fr)
JP (1) JP2019525044A (fr)
CN (1) CN110036156A (fr)
CA (1) CA3030067C (fr)
DE (1) DE102016113140A1 (fr)
ES (1) ES2966101T3 (fr)
PH (1) PH12019500300A1 (fr)
PL (1) PL3926099T3 (fr)
WO (1) WO2018011435A2 (fr)

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DE102016113140A1 (de) * 2016-07-15 2018-01-18 Alexander Degen Rüttleranordnung zum Herstellen von Stopfsäulen
US10640944B2 (en) * 2017-07-28 2020-05-05 Ppi Engineering & Construction Services, Llc Pier tool and method of use
WO2021160798A1 (fr) * 2020-02-12 2021-08-19 Wilhelm Degen Procédé d'introduction d'un outil de pénétration du sol dans un sol et dispositif de construction souterrain
BE1029326B1 (nl) * 2021-04-21 2022-11-28 Feltron Nv Inrichting voor het in de bodem brengen van granulaten
EP4098803A1 (fr) * 2021-05-31 2022-12-07 ABI Anlagentechnik-Baumaschinen-Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH Lance de bourrage vibrante et procédé d'équipement d'un mât d'une lance de bourrage vibrante
BE1029837B1 (nl) * 2021-10-12 2023-05-08 J De Rouck B V Werkwijze voor het stabiliseren van een bodemlaag

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Publication number Publication date
JP2019525044A (ja) 2019-09-05
PH12019500300A1 (en) 2019-05-20
DE102016113140A1 (de) 2018-01-18
EP3926099C0 (fr) 2023-09-13
WO2018011435A2 (fr) 2018-01-18
US11970832B2 (en) 2024-04-30
US10961678B2 (en) 2021-03-30
PL3926099T3 (pl) 2024-03-04
EP3485097A2 (fr) 2019-05-22
WO2018011435A3 (fr) 2019-04-18
CN110036156A (zh) 2019-07-19
US20210388569A1 (en) 2021-12-16
CA3030067C (fr) 2021-11-16
EP3926099B1 (fr) 2023-09-13
CA3030067A1 (fr) 2018-01-18
US20230121538A1 (en) 2023-04-20
US20190169813A1 (en) 2019-06-06
EP3926099A1 (fr) 2021-12-22
ES2966101T3 (es) 2024-04-18

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