EP1538302A1 - Verfahren zum Verfüllen von Hohlräumen ausserhalb der lichten Tunnelröhre eines maschinell aufgefahrenen Tunnels - Google Patents
Verfahren zum Verfüllen von Hohlräumen ausserhalb der lichten Tunnelröhre eines maschinell aufgefahrenen Tunnels Download PDFInfo
- Publication number
- EP1538302A1 EP1538302A1 EP04028102A EP04028102A EP1538302A1 EP 1538302 A1 EP1538302 A1 EP 1538302A1 EP 04028102 A EP04028102 A EP 04028102A EP 04028102 A EP04028102 A EP 04028102A EP 1538302 A1 EP1538302 A1 EP 1538302A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- soil
- tunnel
- working face
- filling
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000011800 void material Substances 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 230000015556 catabolic process Effects 0.000 claims abstract description 8
- 238000006731 degradation reaction Methods 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 claims description 46
- 230000005641 tunneling Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 3
- 239000004570 mortar (masonry) Substances 0.000 description 9
- 239000011440 grout Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910000278 bentonite Inorganic materials 0.000 description 7
- 239000000440 bentonite Substances 0.000 description 7
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 230000032258 transport Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 238000010719 annulation reaction Methods 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Definitions
- the invention relates to a method for filling or pressing cavities outside the light tunnel tube of a tunnel driven in shield tunneling or Stollens, in particular the annular gap between the tunnel lining and the upcoming ground.
- the grout is pumpable and with targeted pressurization and volume control can be introduced.
- An adequate distribution of grout within of the cavity must be ensured by a sufficient fluidity. If the grout is provided with binders, their hardening time be adjusted so that it on the one hand at short interruptions of the Verpressvorgangs not prematurely hardened within the delivery lines, on the other hand but the statically required bedding of the tubbing rings when leaving the Shield tail guaranteed as quickly as possible.
- both mortar mixtures as well binder-free blends is common that they are made up in the main components Sand or gravel sand to ensure the required grain structure, made of water and from lower admixtures of bentonite or fly ash as a filler for Improvement of processability exist.
- the compression takes place at Vorreteen in loose soils usually by the Schildschwanz, whereby usually approximately four to eight distributed over the circumference of the injection nozzles are arranged over Piston pumps are charged.
- Grout is delivered either as ready-mixed mortar or on-site from the mixed ingredients.
- the promotion of the recycled Grouting mortar from the tunnel mouth to the injection site in the tunnel is usually carried out via lore operation, then via pumping lines.
- the invention is based on the object, a possibility show how these problems are minimized or largely avoided can.
- the invention is based on the finding that in the known methods the Annular gap filling both process and material independent of Soil degradation and soil extraction takes place. In contrast, the invention proposes to link these two processes together. This happens procedurally such that a part of the just degraded soil or soil-liquid mixture branched off from the delivery line immediately behind the face, if required, prepared directly in the tunnel, but in any case immediately to Annular gap crimping is reused, d. H. the material leaves between Dismantling and compression of the tunnel tube not.
- the invention is based on the Basic principle that the material to be built into the annular gap no better To exhibit mechanical properties needs as the upcoming surrounding Soil, otherwise this would be relevant for bedding and subsidence behavior.
- the invention has the significant advantage that degraded by using the Soil or soil mixture as grout under direct removal from the Delivery line no separately to be transported and Wegschahrender into the tunnel Grout is needed more. This reduces that Traffic and noise pollution of the environment, which is particularly at inner-city highly stressed construction sites. Since no storage space for the Verpressmörtel more necessary, also reduces the space requirement for the Site equipment. Finally, the site logistics simplified because Mortar transports through the tunnel are eliminated.
- Grout can be made in place if and when actually needed for pressing. A hardening and disposing of too much or due to standstill not required mortar deleted.
- Figs. 1 to 3 is shown schematically as in a mountain formation 1 means a shield machine 2 a tunnel tube 3 is ascended.
- the shield machine 2 includes in a known manner a cylindrical shield shell 4.
- the degradation of the at Working face 5 pending soil is carried by a drill head 6; the excavation chamber 7 is usually completed by a bulkhead 8.
- the tunnel lining consisting of here Segmental rings 10 made of reinforced concrete or steel, installed; the ancestor of the Shield machine 2 behind the shield tail 9 resulting annular gap 11 is how presented at the beginning, pressed by a suitable backfill material 12.
- the invention can be used in tunneling or tunneling in slurry mode, d. H. a propulsion with liquid-supported face, to be explained, the especially in cohesive soils such.
- a propulsion with liquid-supported face to be explained, the especially in cohesive soils such.
- the Working face via a feed line 15 a supporting liquid, usually a bentonite-water suspension, fed.
- the support fluid mixed with the through the drill head 6 mined soil;
- This bentonite-soil-water mixture is over a the bulkhead 8 passing through the outlet opening 16 and taken over a Delivery line 17 through the tunnel tube 3 through to a arranged over days Separator 18 pumped.
- the soil material of the Support liquid separated, which then pumped back to the working face 5 can be.
- a part of the delivery line 17 via a branch valve 19 now branched off from the working face bentonite soil-water mixture diverted and optionally after passing through a small Separierstrom 20 and a small processing plant 21 as a grouting material by a slurry pump 22 in a Verpress Gustav 23 pressed, from which it is arranged by the shield tail 9 Pressing nozzles 24 exits into the annular gap 11.
- a Coarse separation for example screening of unwanted grain fractions
- Such plants are in the Nachorganizedr Scheme known.
- the water contained in the bentonite soil-water mixture is in compression harmless, as long as ensured by the pressure application during pressing is that it is pressed through the pores of the pending soil material can be, d. H. that there is a grain-to-grain contact of the built-in Soil material and thus a sufficient compaction according to the density of the surrounding soil. This is usually at rolly or given mixed-grained soils.
- the addition of a binder for solidification is then not required.
- the bentonite contained in the soil mixture on the pumpability necessary measure to reduce the separated bentonite again To be able to convey the face support. This bentonite separation can be found in the described small processing plant 20, 21 done easily in the tunnel.
- a Branching device 28 for example, a flap, arranged to turn a Supply part of the soil material of a small processing plant 29. From there is the optionally treated material by means of a slurry pump 30 in a Pressed pressing line 31, from which it again directly to the injection nozzles 24th enters the shield tail 9 and exits into the annular gap 11.
- Binding soils are often driven in EPB mode, where the degraded Soil already at the working face with a conditioning agent, for example a Foam, is processed and therefore has no additional Bentonitanteile.
- This soil is also suitable for direct repressurization, provided that it is in a pumpable and compressible state by the addition of flow agents is brought.
- the inventive method is basically also for drives with open Working face suitable; as can be done here, can be explained with reference to FIG become.
- a conveyor 35 for example, a conveyor belt, promoted, wherein in the region of a transition station to a secondary conveyor belt 36th again a branching device 37, for example a flap, is provided, branched off by means of which a part of the funded soil material and a Screen 38, optionally also a treatment plant 39 are supplied can.
- a branching device 37 for example a flap
- the processed material is again on a slurry pump 40 in a Pressing line 41 pressed through which it to the injection nozzles 24 at the end of the Shield tail 9 passes. If necessary, via a line 42 water be supplied.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
- Bettung der Tübbingringe;
- weitgehende Erhaltung des Spannungszustands des Bodens und Minimierung von Setzungen der Geländeoberfläche und damit von Bauwerken;
- gelegentlich zusätzliche Wirkung als Dicht- oder Isoliermittel zur Reduzierung des Wasserandrangs zur Tunnelauskleidung hin oder Abschirmung der Tunnelauskleidung gegenüber aggressiven Stoffen.
- Fig. 1
- einen Längsschnitt durch einen Schildvortrieb im Slurry-Betrieb,
- Fig. 2
- einen Längsschnitt durch einen Schildvortrieb im EPB-Betrieb und
- Fig. 3
- einen Längsschnitt durch einen Schildvortrieb mit offener Ortsbrust.
Claims (5)
- Verfahren zum Verfüllen oder Verpressen von Hohlräumen außerhalb der lichten Tunnelröhre eines im Schildvortrieb aufgefahrenen Tunnels oder Stollens, insbesondere des Ringspalts zwischen der Tunnelauskleidung und dem anstehenden Boden,
dadurch gekennzeichnet, dass zum Verfüllen oder Verpressen der Hohlräume das anstehende und an der Ortsbrust gelöste Bodenmaterial bzw. das beim Abbau entstandene Bodengemisch verwendet wird. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass von dem an der Ortsbrust gelösten Bodenmaterial bzw. dem beim Abbau entstandenen Bodengemisch innerhalb der Tunnelröhre ein Teil abgezweigt und unmittelbar, d. h. ohne die Tunnelröhre zu verlassen, zum Verfüllen oder Verpressen der Hohlräume verwendet wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das an der Ortsbrust gelöste Bodenmaterial bzw. das beim Abbau entstandene Bodengemisch innerhalb der Tunnelröhre für die Zwecke des Verfüllens oder Verpressens aufbereitet wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass aus dem an der Ortsbrust gelösten Bodenmaterial bzw. dem beim Abbau entstandenen Bodengemisch das Sicherungselement, vornehmlich der Ausbau der aufgefahrenen Tunnelröhre hergestellt wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das an der Ortsbrust gelöste Bodenmaterial bzw. das beim Abbau entstandene Bodengemisch als Dicht- oder Isolierelement für die lichte Tunnelröhre verwendet wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10356584 | 2003-12-04 | ||
| DE10356584A DE10356584A1 (de) | 2003-12-04 | 2003-12-04 | Verfahren zum Verfüllen von Hohlräumen außerhalb der lichten Tunnelröhre eines maschinell aufgefahrenen Tunnels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1538302A1 true EP1538302A1 (de) | 2005-06-08 |
| EP1538302B1 EP1538302B1 (de) | 2010-04-28 |
Family
ID=34442433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04028102A Expired - Lifetime EP1538302B1 (de) | 2003-12-04 | 2004-11-26 | Verfahren zum Verfüllen von Hohlräumen ausserhalb der lichten Tunnelröhre eines maschinell aufgefahrenen Tunnels |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1538302B1 (de) |
| AT (1) | ATE466166T1 (de) |
| DE (2) | DE10356584A1 (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005011266A1 (de) * | 2004-12-27 | 2006-07-06 | Wesser Kies Und Sand Gmbh | Verfüllbaustoff aus einem zeitweise fließfähigen, selbsterhärtenden Gemisch |
| EP1995407A3 (de) * | 2007-05-22 | 2013-10-02 | S & B Industrial Minerals GmbH | Verfahren zur Verfestigung und/oder Abdichtung lockerer gelologischer Formationen im Zuge von geotechnischen Baumassnahmen |
| EP3276125A1 (de) * | 2016-07-27 | 2018-01-31 | Hydac International GmbH | Schmiersystem |
| WO2021098444A1 (zh) * | 2019-11-22 | 2021-05-27 | 中铁隧道局集团有限公司 | 一种隧道盾构掘进始发端头孤石区盾构机的掘进参数的控制工艺 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3561223A (en) * | 1968-07-09 | 1971-02-09 | John R Tabor | Tunneling machine with concrete wall forming mechanism |
| DE2932430A1 (de) * | 1979-08-10 | 1981-02-19 | Hochtief Ag Hoch Tiefbauten | Verfahren zum einbringen eines tunnelausbaus aus beton |
| EP0897050A1 (de) * | 1997-08-14 | 1999-02-17 | I.T.M. Industriele Tunnelbouw Methode C.V. | Verfahren zum Herstellen eines bekleideten Tunnels |
| EP0931909A1 (de) * | 1998-01-14 | 1999-07-28 | Philipp Holzmann AG | Verfahren zum Verpressen des Ringraums zwischen Tübbingen und Gebirge mit Mörtel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1686676A (en) * | 1977-03-12 | 1978-02-23 | Pan Canadian Science And Techn | Earth tunnelling |
| JPS57187499A (en) * | 1981-05-13 | 1982-11-18 | Obayashi Gumi Kk | Back-filling injection execution method in earth pressure system shield construction method |
| JPS60181490A (ja) * | 1984-02-24 | 1985-09-17 | 日本電信電話株式会社 | 管埋設装置 |
| JPH0718316B2 (ja) * | 1988-06-22 | 1995-03-01 | 株式会社イセキ開発工機 | 穿孔方法および装置 |
| US6082930A (en) * | 1997-11-27 | 2000-07-04 | Obayashi Corporation | Shield driving machine |
-
2003
- 2003-12-04 DE DE10356584A patent/DE10356584A1/de not_active Withdrawn
-
2004
- 2004-11-26 EP EP04028102A patent/EP1538302B1/de not_active Expired - Lifetime
- 2004-11-26 AT AT04028102T patent/ATE466166T1/de not_active IP Right Cessation
- 2004-11-26 DE DE502004011093T patent/DE502004011093D1/de not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3561223A (en) * | 1968-07-09 | 1971-02-09 | John R Tabor | Tunneling machine with concrete wall forming mechanism |
| DE2932430A1 (de) * | 1979-08-10 | 1981-02-19 | Hochtief Ag Hoch Tiefbauten | Verfahren zum einbringen eines tunnelausbaus aus beton |
| EP0897050A1 (de) * | 1997-08-14 | 1999-02-17 | I.T.M. Industriele Tunnelbouw Methode C.V. | Verfahren zum Herstellen eines bekleideten Tunnels |
| EP0931909A1 (de) * | 1998-01-14 | 1999-07-28 | Philipp Holzmann AG | Verfahren zum Verpressen des Ringraums zwischen Tübbingen und Gebirge mit Mörtel |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005011266A1 (de) * | 2004-12-27 | 2006-07-06 | Wesser Kies Und Sand Gmbh | Verfüllbaustoff aus einem zeitweise fließfähigen, selbsterhärtenden Gemisch |
| DE102005011266B4 (de) * | 2004-12-27 | 2009-10-01 | FITR-Gesellschaft für Innovation im Tief- und Rohrleitungsbau Weimar mbH | Baustoffmischung und deren Verwendung |
| EP1995407A3 (de) * | 2007-05-22 | 2013-10-02 | S & B Industrial Minerals GmbH | Verfahren zur Verfestigung und/oder Abdichtung lockerer gelologischer Formationen im Zuge von geotechnischen Baumassnahmen |
| EP3276125A1 (de) * | 2016-07-27 | 2018-01-31 | Hydac International GmbH | Schmiersystem |
| WO2021098444A1 (zh) * | 2019-11-22 | 2021-05-27 | 中铁隧道局集团有限公司 | 一种隧道盾构掘进始发端头孤石区盾构机的掘进参数的控制工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE466166T1 (de) | 2010-05-15 |
| DE502004011093D1 (de) | 2010-06-10 |
| DE10356584A1 (de) | 2005-06-30 |
| EP1538302B1 (de) | 2010-04-28 |
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