EP2495394A1 - Tunnel with exterior tube and reinforced interior tube - Google Patents

Tunnel with exterior tube and reinforced interior tube Download PDF

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Publication number
EP2495394A1
EP2495394A1 EP11001722A EP11001722A EP2495394A1 EP 2495394 A1 EP2495394 A1 EP 2495394A1 EP 11001722 A EP11001722 A EP 11001722A EP 11001722 A EP11001722 A EP 11001722A EP 2495394 A1 EP2495394 A1 EP 2495394A1
Authority
EP
European Patent Office
Prior art keywords
tunnel
tube
exterior tube
reinforcements
exterior
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.)
Withdrawn
Application number
EP11001722A
Other languages
German (de)
French (fr)
Inventor
Silvino Pompeu Santos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP11001722A priority Critical patent/EP2495394A1/en
Publication of EP2495394A1 publication Critical patent/EP2495394A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements

Definitions

  • the present invention constitutes an innovative solution for the construction of tunnels of the roadway and the railway types, executed with tunnel boring machines, when the referred tunnels are executed in weak soil (e.g., mud), in seismic areas, allowing for the tunnel to be provided with the necessary strength and ductility.
  • weak soil e.g., mud
  • Longitudinal reinforcements (7) and transversal reinforcements (8) are laid inside the thickness of the interior tube (4), both confined by confining reinforcements (9), in order to provide the tunnel with the necessary strength and ductility, to resist the earthquakes.
  • Supports regularly spaced along the axis of the tunnel, constituted by groups of reinforced concrete piles (6), horizontally flexible, are provided, in order to resist vertical loads while allowing for horizontal movements of the tunnel during earthquakes.
  • the piles (6) are connected to the tunnel through concrete blocks (5), evolving the exterior tube (3).
  • the piles are executed by vertically drilling through the weak soil (1) and the concrete blocks (5), being anchored in those blocks (5) and in the stiff soil (2) below.

Abstract

The tunnel of ductile double tube is a tunnel to be built in weak soil (1), constituted by two concentric tubes, acting together: an exterior tube (3) formed by precast segments (10), which are mounted by a tunnel boring machine, and an interior tube (4), which is cast inside the exterior tube (3).
The interior tube (4) is provided with longitudinal reinforcements (7) and transversal reinforcements (8), both confined by confining reinforcements (9).
The tunnel is provided with supports, regularly spaced, constituted by groups of piles (6) horizontally flexible, which are anchored upon in concrete blocks (5), evolving de exterior tube (3), and in the stiff soil below (2).

Description

    The former technique
  • The technique of execution of tunnels with tunnel boring machines is increasingly used, by technical, economical and environmental reasons.
  • With this technique, the machine excavates the soil with its disc cutter head and places precast segments around the excavated surface, forming the circular wall of the tunnel.
  • This solution of tunnel building is appropriate for stiff soil, because the tunnels obtained in this way have their stability assured by the strength of the surrounding soil, thus, they do not need to have significant strength in both the transversal direction and the direction of the tunnel axis.
  • In the case of weak soil, the execution of tunnels with a tunnel boring machine is unreliable, because, in the tunnel thus formed, the connections between precast segments are very weak; hence, the strength and the ductility of the tunnel are low, so it has the risk of sinking, or collapsing, particularly during earthquakes.
  • Document JP 2005-248656 discloses an underground structure, constituted by three arch portions: an outer and an inner arch made of square cylinders, and an intermediate portion made with natural ground between the two arches.
  • Document JP7042181 also discloses an underwater tunnel constituted by three tubes, an inner and an outer tube and a third tube formed by filling of the space between.
  • Document JP 2-128098 discloses a method of shield lining of a tunnel, in which precast concrete blocks are fixed to the concrete tunnel behind, through reinforcing bars, projected from those blocks.
  • Document JP7048851 discloses an underwater tunnel fixed to the bottom ground by mooring members, which is provided with sensors that activate propellers to react against the tidal current, in order to stabilise the tunnel.
  • Document US4338045 discloses a device of anchoring a pipeline to the seabed made up of metallic saddle clamps secured on both extremities to piles embedded on the ground.
    • Technical domain of the invention
  • The present invention constitutes an innovative solution for the construction of tunnels of the roadway and the railway types, executed with tunnel boring machines, when the referred tunnels are executed in weak soil (e.g., mud), in seismic areas, allowing for the tunnel to be provided with the necessary strength and ductility.
    • Description of the figures
  • The present invention is illustrated in figures 1, 2, 3 and 4. Figure 1 shows a perspective of the tunnel. Figure 2 shows half cross-section of the tunnel and the reinforcements. Figure 3 shows a detail of the tunnel and the anchor bolts. Figure 4 shows a cross-section of the tunnel and a support.
    • Detailed description of the invention
  • The tunnel is constituted by two concentric tubes in concrete; an exterior tube (3), which is built by a tunnel boring machine in the weak soil (1), and an interior tube (4), which is executed later on, inside the exterior tube (3).
  • The tunnel boring machine excavates the weak soil (1) and places precast segments (10) around the tunnel surface, which are linked together, forming the exterior tube (3) of the tunnel, which is circular.
  • Inside the exterior tube (3) a concentric interior tube (4) is cast, using the exterior one (3) as exterior formwork and with the help of a supplementary interior formwork.
  • Anchor bolts (11) are applied, distributed on the interior surface of the exterior tube (3), to improve the connection between the two tubes. Epoxy resin or similar product can also be applied on the interior surface of the exterior tube (3), to improve the referred connection.
  • Longitudinal reinforcements (7) and transversal reinforcements (8) are laid inside the thickness of the interior tube (4), both confined by confining reinforcements (9), in order to provide the tunnel with the necessary strength and ductility, to resist the earthquakes.
  • Supports, regularly spaced along the axis of the tunnel, constituted by groups of reinforced concrete piles (6), horizontally flexible, are provided, in order to resist vertical loads while allowing for horizontal movements of the tunnel during earthquakes.
  • The piles (6) are connected to the tunnel through concrete blocks (5), evolving the exterior tube (3). The piles are executed by vertically drilling through the weak soil (1) and the concrete blocks (5), being anchored in those blocks (5) and in the stiff soil (2) below.

Claims (3)

  1. Tunnel characterized by being constituted by two concentric tubes in concrete, acting together; an exterior tube (3) formed by precast segments (10) mounted by a tunnel boring machine, and an interior tube (4), which is cast inside the exterior tube (3) and is provided with longitudinal reinforcements (7) and transversal reinforcements (8), both confined by confining reinforcements (9).
  2. Tunnel according to claim 1, characterised by being provided with anchor bolts (11), applied on the interior surface of the exterior tube (3), in order to improve the connection between the two tubes (3) (4).
  3. Tunnel according to claim 1, characterised by being provided with supports, regularly spaced, constituted by groups of piles (6) horizontally flexible, which are anchored upon in concrete blocks (5), evolving de exterior tube (3), and in the stiff soil (2) below.
EP11001722A 2011-03-02 2011-03-02 Tunnel with exterior tube and reinforced interior tube Withdrawn EP2495394A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11001722A EP2495394A1 (en) 2011-03-02 2011-03-02 Tunnel with exterior tube and reinforced interior tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11001722A EP2495394A1 (en) 2011-03-02 2011-03-02 Tunnel with exterior tube and reinforced interior tube

Publications (1)

Publication Number Publication Date
EP2495394A1 true EP2495394A1 (en) 2012-09-05

Family

ID=44202911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11001722A Withdrawn EP2495394A1 (en) 2011-03-02 2011-03-02 Tunnel with exterior tube and reinforced interior tube

Country Status (1)

Country Link
EP (1) EP2495394A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437738A (en) * 2016-08-26 2017-02-22 中铁十局集团第四工程有限公司 Pipe roof construction thruster and using method thereof
CN107044288A (en) * 2017-05-22 2017-08-15 中铁第勘察设计院集团有限公司 Prefabricated support lining structure and construction method for large-deformation tunnel in soft rock
CN108086994A (en) * 2018-01-08 2018-05-29 兰州理工大学 One kind passes through unfavourable geological tunnel set bridge underground structure and construction method
CN110514814A (en) * 2019-09-24 2019-11-29 合肥工业大学 The experimental provision and experimental method of interaction effect between a kind of native tunnel
CN113605931A (en) * 2021-09-07 2021-11-05 浙江大学 Soil layer interface urban tunnel crossing reinforcement structure and construction method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338045A (en) 1979-05-23 1982-07-06 Coyne Et Bellier, Bureau D'ingenieurs Conseils Method and apparatus for anchoring a line, such as a pipeline, to a support, and in particular a sea-bed
JPH02128098A (en) 1988-11-08 1990-05-16 Maeda Corp Method of shield lining construction
JPH0711897A (en) * 1993-06-25 1995-01-13 Ishikawajima Constr Materials Co Ltd Tunnel structure
JPH0742181B2 (en) 1990-09-19 1995-05-10 株式会社クボタ Makeup method for inorganic building materials
JPH0748851B2 (en) 1986-03-20 1995-05-24 富士写真フイルム株式会社 Image display system
JPH09303092A (en) * 1996-05-14 1997-11-25 Konoike Constr Ltd Tunnel lining method by flexible joint and joint member therefor
US20030116210A1 (en) * 2000-05-01 2003-06-26 Masatoshi Ishikawa Duct repairing material, repairing structure, and repairing method
JP2005248656A (en) 2004-03-08 2005-09-15 Kumagai Gumi Co Ltd Underground structure and method of constructing same
JP2009203623A (en) * 2008-02-26 2009-09-10 Tokyu Construction Co Ltd Joint structure and connecting method for steel segment

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338045A (en) 1979-05-23 1982-07-06 Coyne Et Bellier, Bureau D'ingenieurs Conseils Method and apparatus for anchoring a line, such as a pipeline, to a support, and in particular a sea-bed
JPH0748851B2 (en) 1986-03-20 1995-05-24 富士写真フイルム株式会社 Image display system
JPH02128098A (en) 1988-11-08 1990-05-16 Maeda Corp Method of shield lining construction
JPH0742181B2 (en) 1990-09-19 1995-05-10 株式会社クボタ Makeup method for inorganic building materials
JPH0711897A (en) * 1993-06-25 1995-01-13 Ishikawajima Constr Materials Co Ltd Tunnel structure
JPH09303092A (en) * 1996-05-14 1997-11-25 Konoike Constr Ltd Tunnel lining method by flexible joint and joint member therefor
US20030116210A1 (en) * 2000-05-01 2003-06-26 Masatoshi Ishikawa Duct repairing material, repairing structure, and repairing method
JP2005248656A (en) 2004-03-08 2005-09-15 Kumagai Gumi Co Ltd Underground structure and method of constructing same
JP2009203623A (en) * 2008-02-26 2009-09-10 Tokyu Construction Co Ltd Joint structure and connecting method for steel segment

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106437738A (en) * 2016-08-26 2017-02-22 中铁十局集团第四工程有限公司 Pipe roof construction thruster and using method thereof
CN107044288A (en) * 2017-05-22 2017-08-15 中铁第勘察设计院集团有限公司 Prefabricated support lining structure and construction method for large-deformation tunnel in soft rock
CN108086994A (en) * 2018-01-08 2018-05-29 兰州理工大学 One kind passes through unfavourable geological tunnel set bridge underground structure and construction method
CN108086994B (en) * 2018-01-08 2019-04-05 兰州理工大学 One kind passing through unfavourable geological tunnel set bridge underground structure and construction method
CN110514814A (en) * 2019-09-24 2019-11-29 合肥工业大学 The experimental provision and experimental method of interaction effect between a kind of native tunnel
CN113605931A (en) * 2021-09-07 2021-11-05 浙江大学 Soil layer interface urban tunnel crossing reinforcement structure and construction method thereof
CN113605931B (en) * 2021-09-07 2022-05-03 浙江大学 Soil layer interface urban tunnel crossing reinforcement structure and construction method thereof

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