EP0940505B1 - Vorrichtung zum Erstellen eines Grundelementes im Boden - Google Patents
Vorrichtung zum Erstellen eines Grundelementes im Boden Download PDFInfo
- Publication number
- EP0940505B1 EP0940505B1 EP99103221A EP99103221A EP0940505B1 EP 0940505 B1 EP0940505 B1 EP 0940505B1 EP 99103221 A EP99103221 A EP 99103221A EP 99103221 A EP99103221 A EP 99103221A EP 0940505 B1 EP0940505 B1 EP 0940505B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- core tube
- suspension
- hollow core
- measuring chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0038—Production methods using an auger, i.e. continuous flight type
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
Definitions
- the invention relates to a device for creating a Foundation element in the soil according to the preamble of Claim 1.
- Such a device comprises a drilling device which a hollow core tube for a suspension channel and a Bohrspitze, a pumping device, with which through the core tube through a curable suspension in a introduced bore under pressure is introduced, a Pressure transducer attached to the core tube in a lower area is arranged near the drill bit, and through which the pressure of the curable suspension can be determined during the introduction is, wherein the pressure transducer is an elastically deformable Measuring chamber wall which between the suspension channel and a measuring chamber is arranged, in which a pressure change by means of a on a sensor wall arranged sensor can be detected, and a control unit the pumping device with which the pressure transducer in conjunction stands, and by which the pressure of the hardenable Suspension can be controlled and / or regulated when it is introduced.
- bored piles are used with these devices created so that first by means of the drilling device a Bore introduced under removal of the removed soil becomes. Subsequently, from outside the bore Concrete introduced through the hollow soul tube, while the Drilling device is pulled out of the hole.
- EP 0 394 617 A1 and the US 3,200,599 A are devices for creating a foundation element known in the soil whose operating parameters, in particular the pulling speed of a drilling device and / or the rate of delivery of curable suspension, depending on a suspension pressure measured near the drill bit be managed.
- the suspension pressure measurement can according to EP 0 394 617 A1 by deformation sensors, according to US 3,200,599 A arranged by an outside of the borehole Pressure comparator and according to EP 0 517 329 A1 by a pressure sensor attached to a manifold Measuring chamber is arranged to take place.
- the invention has for its object to provide a device for creating a foundation element in the ground, in which a loss of curable suspension is minimized.
- the object is achieved by a device with the features of claim 1 solved. It is according to the invention provided that the sensor wall and the measuring chamber wall are arranged adjacent to each other and that to form the measuring chamber has the sensor wall a recess, which is covered by the measuring chamber wall, wherein the Measuring chamber wall and the sensor wall with the sensor, the measuring chamber completely enclose.
- the invention is based on the finding that when exceeded certain pressure values when introducing the suspension an undesirably high effluent of the suspension in the adjacent Soil is given. It is according to the invention therefore, provided in a lower portion of the drilling device to arrange a pressure transducer through which a current suspension pressure in the filling hole is detectable.
- the determined pressure values become after passed outside the bore to a control unit, which the performance of the pump depending on the determined Values controls. So can according to a predetermined program achieved a desired increase or decrease in the delivery pressure become. A quick filling of the hole at a the lowest possible loss of hardenable suspension ensured in this way.
- the device according to the invention is basically suitable for a variety of drilling equipment, which for creating used by bored piles where a padding the bore takes place when pulling out the drilling device.
- a particularly compact and robust embodiment is According to the invention given by the fact that the drilling device An endless auger is at the point of transport from excavated soil away from the drill bit a conveyor coil is arranged around the soul tube.
- a preferred embodiment of the invention continues to exist in that the pressure transducer via a cable connected within the soul tube with a slip ring is that at a side facing away from the drill bit end of the Drilling device is provided and that on the slip ring For data and / or energy transfer abutting sliding contacts.
- the sliding contacts are on a support of the Drilling device firmly attached. Thus can depend on reliable Way data and energy to the pressure transducer within be transmitted to the rotating drilling device.
- the invention is further formed in that the soul tube is designed as a double-walled soul tube.
- the soul tube is designed as a double-walled soul tube.
- two coaxially arranged tubes be connected with each other of different diameters.
- the inner tube can be the supply of curable Serve suspension while in the room between the inner and the outer tube, the connecting line can be provided for the pressure transducer.
- At least at the drill bit side end is an annular Shutter plate provided so that the curable suspension from the inner tube is not in the gap between the two tubes can penetrate.
- the pressure transducer is preferably in this radially extending, attached annular end plate.
- a development of the invention is that the Pressure sensor on a lower, the drill bit facing Area of the soul tube in a diameter-expanded Chamber is arranged through which the curable suspension upon withdrawal of the drilling device into the bore flows.
- a double-walled soul tube is the larger diameter chamber at the bottom by the outside Soul tube is formed while the inner one Tube shortened is executed and not in the field of Chamber protrudes.
- the two front ends of the chamber be on the one hand by the aforementioned annular End plate and on the other hand formed by the drill bit, which comprises the cutting device.
- the suspension may be due to eruptions in the wall of the outer core tube flow out into the hole.
- a wireless data and / or energy transmission a transponder device is provided.
- an appropriate Transmitting device which is arranged on the side of the control unit is, is by a signal with a certain frequency the pressure transducer for pressure measurement and radiation the determined pressure values are excited, which of the Control unit to be received.
- a corresponding transponder device can be directly on the pressure transducer or connected by a cable instead of the slip ring be provided at the upper end of the drilling device.
- FIG. 1 an apparatus 10 according to the invention is schematic shown.
- a drilling device 11 is referred to as an endless screw drill with a coaxial to a drilling axis Soul tube 12 is formed on the outside helical a conveyor coil 16 is mounted.
- the conveyor coil extends from a drill bit 13, which in this Embodiment a pilot and a cutting device for removing the soil, until immediately to one Rotary drive 21 at the upper end of the drilling device 11th
- the drilling device 11 is rotatable on a support 20 and slidably mounted, which pivotally mounted on a transport vehicle 23 is arranged. By means of a cable arrangement 22, the drilling device 11 along the beam-shaped Lowered carrier 20 for introducing a bore become.
- a curable Suspension in particular concrete
- a suspension line 14 at the upper end of the drilling device 11 in the hollow core tube 12 is introduced under pressure.
- the hardenable suspension flows through the core tube 12 to in the area at the drill bit 13 to from there when pulling out the drilling device 11 from the introduced bore to flow into this.
- FIG. 13 is a schematic cross-sectional view of FIG. 2.
- FIG along the section A-A shown in more detail.
- the Soul tube 12 is as a double-walled soul tube with a Outer tube 24 and a coaxially arranged inner tube 25 executed.
- the inner tube 25 forms a suspension channel 26, through which the curable suspension of the pumping device flows into the bore.
- the inner tube 25 is axially shorter than the outer tube 24, wherein at the lower end of the inner tube 25, the space between the two Tubes sealed by an annular closure plate 27 is.
- the outer tube 24 thus forms in a lower Area of the drilling device 11 a diameter-expanded Chamber 19, from which the inflowing suspension through not shown breakthroughs in the area of the bore can flow.
- a pressure transducer 15 For measuring the suspension pressure within the chamber 19th a pressure transducer 15 is provided, which in a bore is secured in the annular closure plate 27. The pressure values measured by the pressure transducer 15 become his, facing away from the chamber 19 back over a Line cable 17 out of the hole to a slip ring 18 passed at the upper end of the drilling device 11.
- a slip ring 18 is rotationally symmetrical to the drilling axis and rotatably formed with the drilling device 11.
- an electrical contact to the rotating slip ring 18 ensured.
- a support member 30 for a Pressure sensor for installation in a device according to the invention shown.
- a pipe element 31 At the two ends of a pipe element 31 are each a flange 32, 33 is provided with which the carrier element 30 of the pressure sensor on a core tube can be attached.
- an annular groove 36 On an inside of the Pipe element 31 is an annular groove 36 is provided, which for Forming a measuring chamber 35 with a hose member 34 from covered by an elastic material.
- the hose element 34 is at its two ends between the tubular element 31 and the two flanges 32, 33 with appropriately trained, roughened holding surfaces firmly clamped.
- the Inner diameter of the hose member 34 and the two Flanges 32, 33 are for forming a suspension passage 38 and for installation in a suspension channel of a Soul tube matched.
- the suspension pressure within the suspension channel and thus in the suspension passage 38 causes a deformation the elastic hose member 34 and thus a change the pressure within the measuring chamber 35.
- This pressure change can be detected by means of a sensor, not shown be, which in a retaining hole 37 in conjunction is arranged with the measuring chamber 35.
- a the suspension channel 26 facing the open end of a sleeve-shaped support member 43 is by means of a Meßhuntwand 45 closed.
- the elastically deformable measuring chamber wall 45 and an opposite sensor wall 46 which made of a dimensionally stable or elastic material may each have facing concave surfaces on, between which a lenticular measuring chamber 44th is enclosed.
- Approximately in the middle of the sensor wall 46 is a Sensor for measuring the pressure within the measuring chamber 44 intended.
- the sensor wall 46 is by means of a clamping ring 48, to the support member 43 a screw connection has, pressed tightly against the Meßschand 45.
- a cover plate 49 for protecting the sensor device intended.
- a pressure change within the suspension channel 26 causes via the Meßschand 45 a corresponding pressure change in the measuring chamber 44.
- This pressure change is detectable by means of the sensor 47, wherein the determined Pressure values along an unillustrated cable a channel 50 are passed to a control unit.
- a control unit According to a given program is through Adjusting the power of the pump or by operating a kausventiles the suspension pressure to a desired Value set.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Piles And Underground Anchors (AREA)
Description
- Fig. 1
- eine Seitenansicht einer erfindungsgemäßen Vorrichtung;
- Fig. 2
- eine vergrößerte Querschnittsansicht durch eine Bohreinrichtung mit Druckaufnehmer;
- Fig. 3
- eine Vorderansicht eines Trägerelementes für einen Druckaufnehmer;
- Fig. 4
- eine Querschnittsansicht des Trägerelementes von Fig. 3;
- Fig. 5
- eine Querschnittsansicht eines Druckaufnehmers, eingebaut in ein Seelenrohr;
- Fig. 6
- eine Querschnittsansicht des Druckaufnehmers von Fig. 5 in einem Schnitt längs einer Bohrachse und
- Fig. 7
- eine Detailansicht des Druckaufnehmers von Fig. 6.
Claims (6)
- Vorrichtung zum Erstellen eines Gründungselementes im Boden miteiner Bohreinrichtung (11), die ein hohles Seelenrohr (12) für einen Suspensionskanal (26, 38) und eine Bohrspitze (13) aufweist,einer Pumpeinrichtung, mit welcher durch das Seelenrohr (12) hindurch eine aushärtbare Suspension in eine eingebrachte Bohrung unter Druck einleitbar ist,einem Druckaufnehmer (15, 40), der an dem Seelenrohr (12) in einem unteren Bereich nahe der Bohrspitze (13) angeordnet ist, und durch welchen der Druck der aushärtbaren Suspension beim Einleiten ermittelbar ist, wobei der Druckaufnehmer (15, 40) eine elastisch verformbare Messkammerwand (34, 45) aufweist, welche zwischen dem Suspensionskanal (26, 38) und einer Messkammer (35, 44) angeordnet ist, in welcher eine Druckänderung mittels eines an einer Sensorwand (31, 46) angeordneten Sensors (47) erfassbar ist, undeiner Steuereinheit der Pumpeinrichtungmit der der Druckaufnehmer (15, 40) in Verbindung steht, und durch welche der Druck der aushärtbaren Suspension beim Einleiten steuer- und/oder regelbar ist,dass die Sensorwand (31, 46) und die Messkammerwand (34, 45) aneinander anliegend angeordnet sind unddass zum Bilden der Messkammer (35, 44) die Sensorwand (31, 46) eine Vertiefung (36) aufweist, welche von der Messkammerwand (34, 45) abgedeckt ist, wobei die Messkammerwand (34, 45) und die Sensorwand (31, 46) mit dem Sensor (47) die Messkammer (35, 44) vollständig umschließen.
- Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß die Bohreinrichtung (11) ein Endlosschneckenbohrer ist, bei dem zum Transport von abgetragenem Erdreich von der Bohrspitze (13) weg eine Förderwendel (16) um das Seelenrohr (12) angeordnet ist. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß der Druckaufnehmer (15) über ein Leitungskabel (17) innerhalb des Seelenrohres (12) mit einem Schleifring (18) verbunden ist, der an einem von der Bohrspitze (13) abgewandten Ende der Bohreinrichtung (11) vorgesehen ist, und
daß an dem Schleifring (18) zur Daten- und/oder Energieübertragung Schleifkontakte anliegen. - Vorrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß das Seelenrohr (12) als ein doppelwandiges Seelenrohr ausgebildet ist. - Vorrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß der Druckaufnehmer (15) an einem unteren, der Bohrspitze (13) zugewandten Bereich des Seelenrohres (12) in einer durchmessererweiterten Kammer (19) angeordnet ist, aus welcher die aushärtbare Suspension beim Herausziehen der Bohreinrichtung (11) in die Bohrung strömt. - Vorrichtung nach einem der Ansprüche 1, 2, 4 oder 5,
dadurch gekennzeichnet, daß zu einer drahtlosen Daten- und/oder Energieübertragung eine Transpondereinrichtung vorgesehen ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29804010U | 1998-03-06 | ||
DE29804010U DE29804010U1 (de) | 1998-03-06 | 1998-03-06 | Vorrichtung zum Erstellen eines Gründungselementes im Boden |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0940505A2 EP0940505A2 (de) | 1999-09-08 |
EP0940505A3 EP0940505A3 (de) | 2000-01-26 |
EP0940505B1 true EP0940505B1 (de) | 2004-09-15 |
Family
ID=8053723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99103221A Expired - Lifetime EP0940505B1 (de) | 1998-03-06 | 1999-02-18 | Vorrichtung zum Erstellen eines Grundelementes im Boden |
Country Status (4)
Country | Link |
---|---|
US (1) | US6238142B1 (de) |
EP (1) | EP0940505B1 (de) |
DE (2) | DE29804010U1 (de) |
ES (1) | ES2229567T3 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10003121A1 (de) * | 2000-01-26 | 2001-08-09 | Bilfinger Berger Bau | Vorrichtung und Verfahren zur Injektion eines Injektionsmittels in den Boden |
FR2807455B1 (fr) | 2000-04-11 | 2004-04-02 | Cie Du Sol | Machine pour la realisation de pieux fores |
GB0013015D0 (en) * | 2000-05-26 | 2000-07-19 | Balfour Beatty Ltd | Auger piling |
US6899174B2 (en) | 2003-04-02 | 2005-05-31 | Halliburton Energy Services, Inc. | Floating instrument insert for a tool |
US7320363B2 (en) * | 2003-04-02 | 2008-01-22 | Halliburton Energy Services, Inc. | Energized slip ring assembly |
US7192220B2 (en) * | 2003-09-19 | 2007-03-20 | Gunther Johan M | Apparatus and method to prepare in-situ pilings with per-selected physical properties |
US20080131211A1 (en) * | 2004-07-13 | 2008-06-05 | Nesmith Willie M | Installation effort deep foudnation method |
US7198434B2 (en) * | 2004-07-13 | 2007-04-03 | Berkel & Company Contractors, Inc. | Full-displacement pressure grouted pile system and method |
US7090436B2 (en) * | 2004-07-26 | 2006-08-15 | Gunther Johan M | Process to prepare in-situ pilings in clay soil |
US7341405B2 (en) * | 2006-02-13 | 2008-03-11 | Gunther Johan M | In-situ pilings with consistent properties from top to bottom and minimal voids |
EP2295645B1 (de) * | 2009-08-28 | 2012-05-16 | BAUER Maschinen GmbH | Bohrgerät und Verfahren zur Bohrpfahlherstellung |
IT201600096343A1 (it) * | 2016-09-26 | 2018-03-26 | Crm Costruzioni Romane Macch S R L | Colonna di perforazione per get grouting e monitor di detta colonna di perforazione. |
CN106917357A (zh) * | 2017-04-25 | 2017-07-04 | 中铁五局集团有限公司 | 一种高落差高陡坡混凝土输送串筒装置 |
JP7061526B2 (ja) * | 2018-07-02 | 2022-04-28 | 鹿島建設株式会社 | 掘削方法及び掘削装置 |
US11535999B2 (en) * | 2019-05-20 | 2022-12-27 | The Board Of Regents Of The University Of Oklahoma | Helical piles with sensors and data acquisition unit |
USD914131S1 (en) | 2019-06-07 | 2021-03-23 | S. C. Johnson & Son, Inc. | Toilet rim-block holder |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3300988A (en) * | 1960-12-23 | 1967-01-31 | Raymond Int Inc | Apparatus for forming piles |
US3344611A (en) * | 1964-11-09 | 1967-10-03 | Kenneth W Philo | Self-extracting mandrel for pumpedin-place-pile |
US3391544A (en) * | 1966-12-05 | 1968-07-09 | Intrusion Prepakt Inc | Means and method of forming concrete piles |
US3507124A (en) * | 1969-05-06 | 1970-04-21 | Lee A Turzillo | Method for making concrete piles |
FR2049676A5 (de) * | 1969-06-17 | 1971-03-26 | Parez Louis | |
US3595075A (en) * | 1969-11-10 | 1971-07-27 | Warren Automatic Tool Co | Method and apparatus for sensing downhole well conditions in a wellbore |
US3690109A (en) | 1970-03-16 | 1972-09-12 | Lee A Turzillo | Method and means for producing pile or like structural columns in situ |
US3807184A (en) | 1970-03-16 | 1974-04-30 | L Turzillo | Method and means for producing pile or like structural columns in situ |
US3969902A (en) * | 1973-07-23 | 1976-07-20 | Yoshino Ichise | Contruction method for continuous row of piles and earth drill for use therefor |
FR2318275A1 (fr) * | 1975-07-17 | 1977-02-11 | Labrue Jean Marie | Procede de realisation de pieux moules dans le sol et tariere creuse pour la mise en oeuvre du procede |
JPS53145314A (en) * | 1977-05-23 | 1978-12-18 | Yuuichirou Takahashi | Method and device for improving weak viscous ground |
US4229122A (en) * | 1978-10-10 | 1980-10-21 | Toole Energy Company, Inc. | Hole filling and sealing method and apparatus |
BE879947A (fr) * | 1979-11-09 | 1980-03-03 | Sanwa Kizai K K | Procede et appareil pour la construction de pieux moules "in situ" dans le sol |
US4297880A (en) * | 1980-02-05 | 1981-11-03 | General Electric Company | Downhole pressure measurements of drilling mud |
US4570553A (en) * | 1982-06-09 | 1986-02-18 | Kowa Automobile Industrial Co, Ltd | Truck with automatic ground softening apparatus |
GB2202885B (en) * | 1987-04-02 | 1990-11-07 | Westpile Int Uk Ltd | Piling and auger therefor |
US4840068A (en) * | 1988-03-14 | 1989-06-20 | Mayhew Jr John D | Pipe pressure sensor |
DE3905462A1 (de) * | 1989-02-22 | 1990-08-23 | Bauer Spezialtiefbau | Verfahren und messvorrichtung zur ermittlung des betonierdruckes |
US4958962A (en) * | 1989-06-28 | 1990-09-25 | Halliburton Company | Methods of modifying the structural integrity of subterranean earth situs |
EP0436954B1 (de) * | 1990-01-11 | 1994-10-05 | Seiko Kogyo Kabushiki Kaisha | Doppelrohreinrichtung zum Bohren und Kneten und Methode zur Verbesserung von Fundamentgrund mit dieser Doppelrohreinrichtung zum Bohren und Kneten |
FR2677385A1 (fr) * | 1991-06-05 | 1992-12-11 | Labrue Jean Marie | Dispositif d'injection et de controile du betonnage des pieux a la tariere creuse. |
US5542786A (en) * | 1995-03-27 | 1996-08-06 | Berkel & Company Contractors, Inc. | Apparatus for monitoring grout pressure during construction of auger pressure grouted piling |
-
1998
- 1998-03-06 DE DE29804010U patent/DE29804010U1/de not_active Expired - Lifetime
-
1999
- 1999-02-18 ES ES99103221T patent/ES2229567T3/es not_active Expired - Lifetime
- 1999-02-18 EP EP99103221A patent/EP0940505B1/de not_active Expired - Lifetime
- 1999-02-18 DE DE59910478T patent/DE59910478D1/de not_active Expired - Lifetime
- 1999-03-04 US US09/262,004 patent/US6238142B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0940505A3 (de) | 2000-01-26 |
US6238142B1 (en) | 2001-05-29 |
DE59910478D1 (de) | 2004-10-21 |
EP0940505A2 (de) | 1999-09-08 |
DE29804010U1 (de) | 1998-06-25 |
ES2229567T3 (es) | 2005-04-16 |
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