EP0498807B1 - An arrangement in a tunnel vault - Google Patents

An arrangement in a tunnel vault Download PDF

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Publication number
EP0498807B1
EP0498807B1 EP90914974A EP90914974A EP0498807B1 EP 0498807 B1 EP0498807 B1 EP 0498807B1 EP 90914974 A EP90914974 A EP 90914974A EP 90914974 A EP90914974 A EP 90914974A EP 0498807 B1 EP0498807 B1 EP 0498807B1
Authority
EP
European Patent Office
Prior art keywords
elements
arch
tunnel
aid
vault
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
Application number
EP90914974A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0498807A1 (en
Inventor
Oyvind Kare Sunde
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.)
MILJOESIKRING AS
Original Assignee
Miljoesikring AS
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Filing date
Publication date
Application filed by Miljoesikring AS filed Critical Miljoesikring AS
Publication of EP0498807A1 publication Critical patent/EP0498807A1/en
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Publication of EP0498807B1 publication Critical patent/EP0498807B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall

Definitions

  • the present invention relates to an arrangement in a tunnel vault comprising elongated elements - preferably watertight, fire-proof, heat insulating, and sound absorbing -, which are suspended at each end by the aid of suitable fastening means, as stated in more detail in the preamble of the following independent claim 1.
  • Lining the blasted tunnel by spraying a concrete cover onto the raw vault is known and used both in order to achieve a smooth surface and to safeguard against falling rocks.
  • Such concrete spraying may also partly prevent penetration of water and dripping from the ceiling of the tunnel.
  • Said known sandwich plate vaults and other vault structures were built from slightly curved, elongated vault elements, which are mounted in the blasted tunnel to cover the raw vault, and such elements were in part secured by bolts directly to the rock or in a concrete cover.
  • the elements have projecting flanges at their ends, which flanges project into grooves in the curved profile and are attached to said profile by the aid of bolts passing through aligned holes in the flanges and the groove walls, with such bolts being mounted from the outside of the vault.
  • a disadvantage of this manner of fastening is that said bolts, which must be axially displaced, are difficult to reach from the inside of the vault to dismantle damaged elements and, especially, for mounting a new element.
  • Figure 1 shows a cross section of a tunnel vault 1 comprising elongated elements 2, which are suspended at each end by the aid of suitable fastening means, on arch profiles 3 in order to cover the raw vault 5, or if desired, a concrete cover 6 of the blasted tunnel 4.
  • the arch profiles 3 extend across the longitudinal direction of tunnel vault 1 at an equal mutual center distance in straight tunnels and at a mutually equal center distance of the bend tops of tunnel 4.
  • the arch profiles are secured to the raw vault 5 or concrete cover 6 of the vault by the aid of anchoring bolts 7, the free ends of which are releasably connected with arch profiles 3 by the aid of fastening means 8 (see Figures 2, 3, 4).
  • the elongated elements 2 are of equal length L and are suspended side by side from a pair of successive arch profiles 3 by the aid of fastening means 9.
  • Fastening portions 3c of arch profiles 3 which face the elements 2 have a width B permitting attachment by the aid of fastening means 9, which in the drawing are shown to be self-drilling and self-tapping screws 9a.
  • elements 2 are provided side-by-side on said arch profiles 3 and are aligned with corresponding elements 2 on one of the already mentioned arch profiles 3 and a further arch profile 3.
  • the fastening portions 3c of arch profiles 3 facing elements 2 have a total width B which permits fastening by the aid of fastening means 9 of elements 2 which are aligned in their longitudinal direction at a mutual distance A of approximately zero and upwards (see Figure 6a, b, c), in order to correct any deviation from the normal center distance between arch profiles 3 along corresponding portions of them, e. g. in bends of tunnels.
  • elements 2 of equal length L may, thus, still be used.
  • Elements 2 are placed in an adjoining manner, i.e. at a mutual distance A of substantially zero at the tunnel vault 1 wall which is innermost in a bend and at a large distance A3 at the outer tunnel vault wall of the bend in order to correct for the greater length of the outer bend wall relative to the inner bend wall.
  • Said distances A between the ends of elements 2 which face each other will, thus, vary from substantially zero between elements 2 of the inner bend wall to maximum distance A3 of the outer bend wall, via an intermediate distance A2 at the ceiling of tunnel vault 1.
  • This distance between elements 2 increasing from the inner to the outer bend wall may be covered by a cover profile (not shown) which has a width corresponding to width B of the arch profiles 3 and which may be fastened to elements 2 or fastening profiles 3 by suitable means (not shown).
  • arch profiles 3 may be arranged at a lower center distance than in straight tunnels for use with elements 2 of corresponding shorter length L in order to achieve said adaptable profile.
  • arch profiles 3 of the same width B may be used both in case of sharp and less sharp bends.
  • said distance A between the ends of elements 2 adjacent arch profiles 3 will increase more towards the outer vault wall of the bend than in a gentle bend.
  • said distance A is made substantially equal to or larger than the distance between fastening means 9, i.e. screws 9a in Figures 2, 3, and 4
  • shorter elements 2 with correspondingly smaller distance between arch profiles 3 in the tunnel bend may be used.
  • Arch profiles 3 may have various cross sections, since the cross section must only have a sufficiently wide fastening portion 3c for fastening elements 2, and a portion facing in the opposite direction to secure the fastening means 8 of anchoring bolt 7.
  • FIG. 1 A suitable cross sectional shape of the arch profiles 3 is shown in the drawing, Figures 2, 3, and 4, in which arch profile has a substantially U-shaped cross section with a web 3b, and legs 3a having transversal flanges at their ends constituting the fastening portions 3c for elements 2.
  • said transversal flanges project outwards from legs 3a. They might project both outwards and inwards or, if desired, only inwards, towards each other. In that case the U-shape must be correspondingly wide.
  • the web 3b constitutes the fastening portion for fastening means 8 of anchoring bolt 7.
  • anchoring bolt 7 is threaded in this case and extends through holes 3d in web 3b of arch profile 3, and it is secured to the latter by the aid of nuts 8a, one on each side of web 3b.
  • the distance of arch profile 3b from raw vault 5 of tunnel 4 may, if desired, be slightly adjusted by the aid of nuts 8a.
  • an adjusting sleeve 7a is shown on anchoring bolt 7, which may have two threaded portions with opposite pitch directions for cooperation with anchoring bolt 7 and a projection of the same with opposite pitch which, in turn cooperates with nuts 8a and arch profile 3. In this manner adjustment of a distance corresponding to the length of adjusting sleeve 7a may be achieved.
  • arch profile 3 has projections, if desired, grooves 10 at each end of web 3b for cooperation, preferably, with a resilient gripping hoop 8b with gripping ends 8c facing each other. At its central portion gripping hoop 8b is secured to anchoring bolt 7 by the aid of means known per se, as mentioned above.
  • a clamping bolt 11 with a nut 12 passing through holes 13 in each hoop leg, is provided to ensure the hold of gripping hoop on/in projections, if desired grooves 10, of arch profile cf.
  • Figure 4 For mounting elements 2 on arch profiles 3 in tunnel 4 holes 2e may be drilled in elements 2 and holes 9b in fastening portions 3c of arch profile 3, while the elements are held in place, whereupon self-tapping screws 9a are inserted into said holes 2e and 9b and are tightened.
  • wide elements 2 may be used for the straight walls, whereas narrow elements 2 are used for the more acutely curved ceiling. In this manner it is possible to achieve rapid attachment of wide elements lowermost and a more adaptable profile uppermost with correspondingly more fastening operations for the narrower elements 2.
  • shock-absorbing elements between said elements 2 at a desired level above the roadway, which may absorb any impact motions from the lower elements 2 in connection with any bumping.
  • Such bumping which results in damage may be caused by a large vehicle with a box-shaped truck body. In this case the damage would occur high up on the wall of the tunnel vault.
  • the rear faces of the elements may be provided with water-tight films overlapping the edges of adjacent elements 2, which must be placed in such a manner relative to each other that water from elements higher up flows down past the upper edge of a lower element 2 and on to the basis of tunnel vault 1 and to a drainage ditch.
  • rubber packings or the like may be used between the rear faces of elements 2 and the fastening portions 3c of the arch profiles. Additionally, the arch profiles 3 must then be watertight, and the fastening means 8 must be fastened to arch profile 3 in a water-tight manner as known per se.
  • elements 2 may be designed to be cassettes comprising a front surface of perforated steel plate 2a which faces the tunnel 4 space, as shown in Figure 3, and is filled with a filler material 2b of mineral wool or another suitable arrangement.
  • the rear side of the element consists of a water-proof and mechanically strong plastic film 2c which covers the filler material 2b and is fastened to and extends beyond the rear edge portions 2d of the cassette, with said edge portions, e.g. being provided by bending the edge portions of steel plate 2a.
  • Plastic film 2c may be provided in such a manner that it extends outside and beyond the upper edge and the plastic film of a lower element. In this case water may flow down and onto the basis of the tunnel vault.
  • the plastic films may, if desired, be connected in a water-tight manner by the aid of glueing or welding.
  • packing strips should preferably be placed between the fastening portion 3c of the arch profiles and the plastic film 2c in order to provide a water-tight connection during mounting of elements 2 onto arch profiles 3 by the aid of fastening screws 9a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Road Paving Structures (AREA)
  • Types And Forms Of Lifts (AREA)
  • Ladders (AREA)
EP90914974A 1989-11-01 1990-10-18 An arrangement in a tunnel vault Expired - Lifetime EP0498807B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO894346A NO168439C (no) 1989-11-01 1989-11-01 Anordning ved tunnelhvelv
NO894346 1989-11-01
PCT/NO1990/000154 WO1991006745A1 (en) 1989-11-01 1990-10-18 An arrangement in a tunnel vault

Publications (2)

Publication Number Publication Date
EP0498807A1 EP0498807A1 (en) 1992-08-19
EP0498807B1 true EP0498807B1 (en) 1994-08-10

Family

ID=19892530

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90914974A Expired - Lifetime EP0498807B1 (en) 1989-11-01 1990-10-18 An arrangement in a tunnel vault

Country Status (6)

Country Link
EP (1) EP0498807B1 (no)
AT (1) ATE109867T1 (no)
AU (1) AU6520690A (no)
DE (1) DE69011526T2 (no)
NO (1) NO168439C (no)
WO (1) WO1991006745A1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2143921B1 (es) * 1997-07-16 2000-12-16 Orsta Staalindustri As Dispositivo para la fijacion y estanqueizacion de recubrimientos para tuneles
FR2826991B1 (fr) * 2001-07-06 2003-11-21 Drouot Procede et element de bardage pour l'etanchement de tunnel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149490A1 (de) * 1981-12-14 1983-06-23 Dynamit Nobel Ag, 5210 Troisdorf Abdichtung von wandungen gegen druck und/oder sickerwasser mit einer dichtungsbahn
FR2557200A1 (fr) * 1983-12-27 1985-06-28 Somafer Sa Dispositif de soutenement souple des parois de galeries souterraines

Also Published As

Publication number Publication date
WO1991006745A1 (en) 1991-05-16
NO894346L (no) 1991-05-02
ATE109867T1 (de) 1994-08-15
DE69011526T2 (de) 1994-12-01
AU6520690A (en) 1991-05-31
NO168439C (no) 1992-02-19
EP0498807A1 (en) 1992-08-19
DE69011526D1 (de) 1994-09-15
NO894346D0 (no) 1989-11-01
NO168439B (no) 1991-11-11

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