US20090136299A1 - Tunnel supported on bearing blocks - Google Patents

Tunnel supported on bearing blocks Download PDF

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Publication number
US20090136299A1
US20090136299A1 US12/294,590 US29459007A US2009136299A1 US 20090136299 A1 US20090136299 A1 US 20090136299A1 US 29459007 A US29459007 A US 29459007A US 2009136299 A1 US2009136299 A1 US 2009136299A1
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United States
Prior art keywords
tunnel
exterior
bearing blocks
tube
supported
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.)
Abandoned
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US12/294,590
Inventor
Santos Silvino Pompeu
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of US20090136299A1 publication Critical patent/US20090136299A1/en
Abandoned legal-status Critical Current

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    • 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
    • E21D9/04—Driving tunnels or galleries through loose materials; Apparatus therefor not otherwise provided for
    • 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
    • E21D11/006—Lining anchored in the rock
    • 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

Definitions

  • the conventional solution of executing a tunnel with a tunnel boring machine consists of excavating the tunnel with the referred machine, which excavates the soil and places the precast elements which will form the walls of the referred tunnel.
  • 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 soils (e.g., mud), which will function as a bridge within the soil.
  • weak soils e.g., mud
  • the solution also allows the strengthening of existing tunnels, using the existing tunnel as a formwork for the execution of the interior strengthening.
  • FIGS. 1 , 2 , 3 and 4 The present invention is illustrated in FIGS. 1 , 2 , 3 and 4 .
  • FIG. 1 shows a schematic perspective of the tunnel.
  • FIG. 2 shows the transversal section of the tunnel and one support.
  • FIG. 3 shows the longitudinal section of the tunnel and two supports.
  • FIG. 4 shows the plan of the tunnel and two supports.
  • the tunnel is constituted by two tubes; an exterior tube ( 3 ), which is built by the tunnel boring machine in the weak soil, and an interior tube( 4 ), which is executed later on, inside the exterior tube.
  • the tunnel is supported by bearing blocks ( 5 ) executed in the weak soil ( 1 ) and regularly spaced along the axis of the tunnel.
  • the exterior tube ( 3 ) is formed by precast elements, which are mounted by the tunnel boring machine, which bores through the bearing blocks ( 5 ); it has no resistant function and acts as exterior formwork for the execution of the interior tube.
  • the interior tube ( 4 ) is built inside the exterior tube, using the latter as formwork; the former possesses the necessary strength to resist the transversal and longitudinal actions that may act on the tunnel, without taking into account the strength of the exterior tube( 3 ).
  • the bearing blocks ( 5 ) are extended downwards until the stiff soil ( 2 ) through resistant elements with great horizontal flexibility ( 6 ), in order to resist vertical loads, while allowing for horizontal movements of the tunnel during an earthquake.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The tunnel supported on bearing blocks is a tunnel to be executed in weak soils, which is constituted by two tubes: an exterior tube, formed by precast elements, which are mounted by a tunnel boring machine, and an interior tube, which is built using the exterior one as the exterior formwork and constitutes the resistant element of the tunnel, both being supported by bearing blocks, regularly spaced along the axis of the tunnel. The bearing blocks are extended downwards until the stiff soil through resistant elements with great horizontal flexibility in order to resist vertical loads, while allowing for horizontal movements of the tunnel during an earthquake.

Description

    THE FORMER TECHNIQUE
  • The execution of tunnels with tunnel boring machines is a solution increasingly used for the construction of infrastructures for roadway and railway transportation systems.
  • The conventional solution of executing a tunnel with a tunnel boring machine consists of excavating the tunnel with the referred machine, which excavates the soil and places the precast elements which will form the walls of the referred tunnel.
  • This solution of tunnel building is appropriate for stiff soils, because the tunnels obtained in this way have their stability assured by the strength of the surrounding soil, and so 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 soils, the execution of tunnels with a tunnel boring machine is unreliable, because, in the tunnel thus formed, the connections between the precast elements are very weak; hence the strength of the tunnel is low, so it has the risk of sinking, or collapsing, particularly during an earthquake.
    • 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 soils (e.g., mud), which will function as a bridge within the soil. The solution also allows the strengthening of existing tunnels, using the existing tunnel as a formwork for the execution of the interior strengthening.
    • DESCRIPTION OF THE FIGURES
  • The present invention is illustrated in FIGS. 1, 2, 3 and 4.
  • FIG. 1 shows a schematic perspective of the tunnel.
  • FIG. 2 shows the transversal section of the tunnel and one support.
  • FIG. 3 shows the longitudinal section of the tunnel and two supports.
  • FIG. 4 shows the plan of the tunnel and two supports.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • The tunnel is constituted by two tubes; an exterior tube (3), which is built by the tunnel boring machine in the weak soil, and an interior tube(4), which is executed later on, inside the exterior tube.
  • The tunnel is supported by bearing blocks (5) executed in the weak soil (1) and regularly spaced along the axis of the tunnel.
  • The exterior tube (3) is formed by precast elements, which are mounted by the tunnel boring machine, which bores through the bearing blocks (5); it has no resistant function and acts as exterior formwork for the execution of the interior tube.
  • The interior tube (4) is built inside the exterior tube, using the latter as formwork; the former possesses the necessary strength to resist the transversal and longitudinal actions that may act on the tunnel, without taking into account the strength of the exterior tube(3).
  • The bearing blocks (5) are extended downwards until the stiff soil (2) through resistant elements with great horizontal flexibility (6), in order to resist vertical loads, while allowing for horizontal movements of the tunnel during an earthquake.
  • Lisbon, Jan. 10, 2007

Claims (4)

1. (canceled)
2. (canceled)
3. Tunnel to be executed in weak soil, being formed by two tubes: an exterior tube which is built by a tunnel boring machine and acts as exterior formwork, and an interior tube, which is cast inside the exterior one with the help of an interior supplementary formwork and possesses the longitudinal and transversal reinforcements of the tunnel.
4. Tunnel according to claim 3, including disposing of concrete blocks, regularly spaced along the axis of the tunnel, which are extended downwards until the stiff soil through piles with great horizontal flexibility.
US12/294,590 2006-01-16 2007-01-15 Tunnel supported on bearing blocks Abandoned US20090136299A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PT103421A PT103421B (en) 2006-01-16 2006-01-16 IMPROVED SEISMIC BEHAVIOR TUNNEL.
PT103421 2006-03-28
PCT/PT2007/000003 WO2007111520A1 (en) 2006-01-16 2007-01-15 Tunnel supported on bearing blocks

Publications (1)

Publication Number Publication Date
US20090136299A1 true US20090136299A1 (en) 2009-05-28

Family

ID=37851047

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/294,590 Abandoned US20090136299A1 (en) 2006-01-16 2007-01-15 Tunnel supported on bearing blocks

Country Status (6)

Country Link
US (1) US20090136299A1 (en)
EP (1) EP2004956A1 (en)
JP (1) JP2009542936A (en)
KR (1) KR20090007372A (en)
PT (1) PT103421B (en)
WO (1) WO2007111520A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330121A (en) * 1965-03-09 1967-07-11 Andrew C Tait Drain tile support block
US3568455A (en) * 1968-12-23 1971-03-09 Robert E Mclaughlin Method of laying pipe in or on a bed of particle material or in a trench
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
US4607889A (en) * 1984-11-29 1986-08-26 Daiho Construction Co., Ltd. Shield tunnel boring machine
US5007768A (en) * 1990-04-17 1991-04-16 Waller George W Anchoring structure for underground pipes
US5735637A (en) * 1996-06-03 1998-04-07 Abt, Inc. Method and apparatus for supporting and anchoring drainage channel sections
US6450736B1 (en) * 2001-04-27 2002-09-17 Phillips Petroleum Company Movable supports for pipelines
US20030113168A1 (en) * 2001-12-13 2003-06-19 Ryoichi Naka Easily-cuttable tunnel segment structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4888742A (en) * 1972-02-25 1973-11-20
JPH02128098A (en) * 1988-11-08 1990-05-16 Maeda Corp Method of shield lining construction
JPH0493430A (en) * 1990-08-09 1992-03-26 Maeda Corp Floating prevention method for underground structure
JPH0748851A (en) * 1993-08-09 1995-02-21 Mitsui Constr Co Ltd Underwater tunnel
JP2002013139A (en) * 2000-06-28 2002-01-18 Kajima Corp Flexible pile, method of installing flexible pile, and support construction for structure
JP4439948B2 (en) 2004-03-08 2010-03-24 株式会社熊谷組 Advance support and construction method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330121A (en) * 1965-03-09 1967-07-11 Andrew C Tait Drain tile support block
US3568455A (en) * 1968-12-23 1971-03-09 Robert E Mclaughlin Method of laying pipe in or on a bed of particle material or in a trench
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
US4607889A (en) * 1984-11-29 1986-08-26 Daiho Construction Co., Ltd. Shield tunnel boring machine
US5007768A (en) * 1990-04-17 1991-04-16 Waller George W Anchoring structure for underground pipes
US5735637A (en) * 1996-06-03 1998-04-07 Abt, Inc. Method and apparatus for supporting and anchoring drainage channel sections
US6450736B1 (en) * 2001-04-27 2002-09-17 Phillips Petroleum Company Movable supports for pipelines
US20030113168A1 (en) * 2001-12-13 2003-06-19 Ryoichi Naka Easily-cuttable tunnel segment structure

Also Published As

Publication number Publication date
WO2007111520A1 (en) 2007-10-04
KR20090007372A (en) 2009-01-16
JP2009542936A (en) 2009-12-03
PT103421A (en) 2007-07-31
EP2004956A1 (en) 2008-12-24
PT103421B (en) 2008-07-16

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