EP2022937A1 - Dispositif support - Google Patents

Dispositif support Download PDF

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Publication number
EP2022937A1
EP2022937A1 EP06764376A EP06764376A EP2022937A1 EP 2022937 A1 EP2022937 A1 EP 2022937A1 EP 06764376 A EP06764376 A EP 06764376A EP 06764376 A EP06764376 A EP 06764376A EP 2022937 A1 EP2022937 A1 EP 2022937A1
Authority
EP
European Patent Office
Prior art keywords
caisson
arrangement according
longitudinal
beams
section
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Withdrawn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
EP06764376A
Other languages
German (de)
English (en)
Inventor
Rino Stefanutti
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.)
Petrucco SA
Original Assignee
Petrucco SA
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 Petrucco SA filed Critical Petrucco SA
Priority to EP10184200.3A priority Critical patent/EP2282007B1/fr
Publication of EP2022937A1 publication Critical patent/EP2022937A1/fr
Withdrawn legal-status Critical Current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
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way

Definitions

  • the present invention relates, generally, to a method for carrying out construction work underneath roadways or railways without interrupting the traffic.
  • the present invention relates to a method for eliminating road and railway line intersections by providing a bottom passage structure outside of its final location and arranging it in position by means of displacement or thrusting of inserted caisson elements, while ensuring continuous communication above the intersection.
  • Elimination of the level crossing at an intersection comprises at least the following operations: manufacture and arrangement of the caisson, provision of a receiving surface, after construction of the caisson outside of its final location, which is as close as possible to the final receiving surface for the inserted caisson, in order to reduce the distance which the caisson must travel and in any case must be equal to the length of the caisson plus the space needed to house the thrusting wall or reaction wall for the thrusting forces and the hydraulic thrusting jacks.
  • the next step involves construction of a reinforced-concrete sliding sill, with lateral guiding rails at the base of the caisson, the function of which will be to prevent lateral displacement of the caisson.
  • the sill has a dual function: on the one hand to create a sliding surface for the caisson and, on the other hand, to act as a formwork for the construction of the associated caisson.
  • both the sill and the reaction wall and the number of jacks depend on the weight of the caisson to be pushed into position.
  • a sheet of polyethylene or similar material of a certain thickness is extended over the latter, this having the function moreover of separating the sill of the caisson which is to be constructed from the sliding sill and reducing horizontal friction during displacement, which is of fundamental importance during the initial stage thereof.
  • the slabs of the highly reinforced constructed caisson have different functions: the bottom one for supporting a travel way allowing the passage of vehicles, trains, pedestrians, etc., and the top one for supporting the traffic of vehicles, trains, pedestrians, etc.
  • the caisson has a form with a number of rib-like ties at the front thereof, the purpose of which is to provide the least possible resistance to the forward movement against the ground and secure it laterally, for which reason said stirrups are chamfered in their plane of contact with the ground; at the top thereof it has a number of auxiliary beams, the function of which is to brace the ribs and act as a support point for the manoeuvring beams.
  • the inclination of the ribs is determined depending on the angle of contact of the ground and the need to ensure almost simultaneous contact of the ribs and the bottom slab with the ground.
  • the support beam situated at the front end of the ribs and seated inside the grooves of both ties has the function of providing a support for transverse metal sections which are arranged underneath the sleepers and in the thrusting direction.
  • the transverse supports are composed of fastened pairs of beams of the IPN type in the form of a "II" which are arranged depending on the slant and separated from each other 1.20 m to 2.40 m between the axes.
  • Usually several pairs of fastened sections are mounted above the caisson.
  • the transverse support i.e. fastened sections, have the function of supporting the associated track and transmitting the loads of the rolling stock which travel on the rails and create a surface below which the caisson is slid.
  • round members are arranged between the latter and the top of the caisson in order to facilitate said sliding movement and the fastened sections are braced at the start of the thrusting movement so that they are not subject to any movement with the continuous displacement of the caisson.
  • longitudinal shoring is provided above each railway track, consisting in arranging a pair of sets or series of tracks parallel to each track line, fixed by a clamp on both sides of the track line and braced by a number of perpendicular sections or tracks which fix together both sets, supporting at the same time the load of the tracks at the moment when, for working requirements, the support provided by the ballast is no longer present.
  • the present invention aims to eliminate or palliate one or more of the abovementioned drawbacks by means of a supporting arrangement as claimed in Claim 1.
  • Embodiments of the invention are defined in the dependent claims.
  • One object of the invention is to provide a shoring system for railway lines in the insertion zone which avoids the use of transverse supports, or fastened sections, above the top part of a caisson which is being inserted in position.
  • Another object of the invention is to avoid the installation of the longitudinal shoring assemblies which are at present used, assembly and disassembly of which is relatively time-consuming.
  • Another object of the invention is to provide a self-supporting shoring arrangement which avoids interruption of the railway traffic during assembly and disassembly thereof.
  • Yet another object of the invention is to reduce the duration of the process for moving the caisson since the railway track is self-supporting and the installation of transverse supports above the top part of the caisson is not required. As a result, the completion times for the whole work are reduced.
  • Figure 1 illustrates the process for insertion of a caisson according to the state of the art
  • Figure 2 shows a plan view of an arrangement for supporting the railway track according to the invention
  • Figure 3 shows an elevation view of a longitudinal section of Figure 2 according to the invention
  • Figure 4 shows an elevation view of a longitudinal section along the axis A-A of Figure 2 according to the invention
  • Figure 5 shows an elevation view of a longitudinal section along the axis As-As of Figure 2 according to the invention
  • Figure 6 shows an elevation view of the cross-section along the axis Xr-Xr of Figure 2 according to the invention
  • Figure 7 shows an elevation view of the cross-section along the axis Xr-Xr of Figure 2 according to the invention.
  • Figure 3 shows an elevation view of a mechanical fixing means according to the invention.
  • One of the advantages of the present invention consists in the elimination of the fastened sections 11 of metal beams, which ensures at all times correct positioning of the railway track, below which construction of a passage below the railway is performed.
  • the shoring arrangement comprises first metal shoring beams 12, a first longitudinal metal beam 12 arranged parallel to a line 17 of the track on the outer side of the track line 17, that is, between the two track lines 17 there is no longitudinal beam 12 installed.
  • the set of first longitudinal beams 12 is braced by a second set of perpendicular metal beams 14, with a length less than the first longitudinal beams 12, which fix together both first longitudinal beams 12.
  • Joining of each first longitudinal beam 12 to a second beam 14 is performed via a mechanical fixing means 15 such as a tie, flange, clamp or the like (see Figure 3 ).
  • the fixing system 15 has the function of joining one end of the second beam 14 to a first longitudinal beam 12 on the outer side of the railway line 17. Consequently travel of the trains through the shoring zone is not necessary since, in order to perform the shoring work before insertion of the caisson, it is not necessary to occupy the space between railway lines 17.
  • the second perpendicular metal beam 14 is installed between two sleepers 16 and generally in the direction of thrusting of the inserted caisson.
  • the spacing between two second perpendicular beams 14 will correspond to a minimum distance substantially equivalent to the width of a sleeper 16 and a predetermined maximum distance corresponding to the width of several sleepers 16 and the spacing between the sleepers will be based on the rolling stock travelling along the tracks.
  • the first longitudinal metal beam 12 may be a hollow beam, with flanges having cavities 13 which may be circular, hexagonal, octagonal or the like, or a beam of the type with an H or double T profile, with flanges which are wide enough so that it is possible to form in the flanges sets of parallel through-holes and in which the holes of one flange are aligned with the holes of the other opposite flange (see Figures 3, 4 and 7 ).
  • cavities 13 will be formed, spaced from each other on the basis of the distance separating, from each other, the second perpendicular beams 14 which brace the first longitudinal beams 12.
  • the cross-section of the cavities 13 to be formed will depend on the cross-section of the second perpendicular beam 14 which braces the first longitudinal beams (see Figure 8 ).
  • the sets of through-holes are formed in both flanges on both sides of part of the section which has the cavities 13, so that first through-bars 15-1, 15-2 pass through the holes situated in parallel flanges so that a second bar 15-3 perpendicular to the first bars 15-1, 15-2 may be fixed against one end of the second beam 14 and therefore the second beam 14 is fastened by the arrangement 15 of first bars 15-1, 15-2 and second bars 15-3 each situated on one side of the hollow section 12 (see Figures 3 and 6 ).
  • the length of the shoring arrangement must be such as to allow the excavation necessary for displacement of the caisson to be inserted. Consequently, in order to achieve the aim of supporting the track and transmitting the loads travelling along the rails it is possible to position adjacent various shoring arrangements as described above, since in order to obtain the best possible result the length of the first longitudinal beams 12 corresponds to a predetermined maximum length.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Road Paving Structures (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
EP06764376A 2006-05-29 2006-05-29 Dispositif support Withdrawn EP2022937A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10184200.3A EP2282007B1 (fr) 2006-05-29 2006-05-29 Dispositif de support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2006/070073 WO2007138123A1 (fr) 2006-05-29 2006-05-29 Dispositif support

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP10184200.3A Division EP2282007B1 (fr) 2006-05-29 2006-05-29 Dispositif de support

Publications (1)

Publication Number Publication Date
EP2022937A1 true EP2022937A1 (fr) 2009-02-11

Family

ID=38778148

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06764376A Withdrawn EP2022937A1 (fr) 2006-05-29 2006-05-29 Dispositif support
EP10184200.3A Active EP2282007B1 (fr) 2006-05-29 2006-05-29 Dispositif de support

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10184200.3A Active EP2282007B1 (fr) 2006-05-29 2006-05-29 Dispositif de support

Country Status (4)

Country Link
EP (2) EP2022937A1 (fr)
ES (1) ES2504265T3 (fr)
PT (1) PT2282007E (fr)
WO (1) WO2007138123A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012052571A1 (fr) * 2010-10-20 2012-04-26 Petrucco, S.A. Structure de support

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2996203A1 (fr) * 2018-01-17 2019-07-17 Petrucco, S.A. Structure de support modulaire

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1205575B (de) 1963-09-16 1965-11-25 Deutsche Bundesbahn Eisenbahn-Hilfsbruecke grosser Stuetzweite
DE3027086C2 (de) * 1980-07-17 1983-01-20 Wayss & Freytag Ag, 6000 Frankfurt Spannbetonweichenschwelle
DE3761319D1 (de) * 1986-05-09 1990-02-08 Jean Marie Beauthier Verfahren fuer die herstellung von bauwerken unter in betrieb befindlichen eisenbahnstrecken.
FR2651813B1 (fr) * 1989-09-14 1992-11-06 Beauthier Jean Marie Procede pour la construction d'ouvrages, notamment de passages sous une voie ferree.
GB8927648D0 (en) * 1989-12-07 1990-02-07 Aeb Jacked Structures Ltd Improvements in and relating to forming a passageway through the ground
IT1255694B (it) * 1992-09-29 1995-11-10 Struttura provvisoria per il sostegno di binari ferroviari
ES2151364B1 (es) 1997-10-27 2001-06-16 Alicantina De Construcciones I Apeo de via ferrea para ejecucion de pasos inferiores.
ES2261024B1 (es) 2004-07-29 2007-09-16 Atros España, S.A. Sistema modular de alta seguridad para soporte provisional de vias ferreas en circulacion durante los trabajos bajo via.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007138123A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012052571A1 (fr) * 2010-10-20 2012-04-26 Petrucco, S.A. Structure de support
EP2631424A4 (fr) * 2010-10-20 2015-12-23 Petrucco S A Structure de support

Also Published As

Publication number Publication date
EP2282007B1 (fr) 2014-07-23
PT2282007E (pt) 2014-09-29
ES2504265T3 (es) 2014-10-08
EP2282007A1 (fr) 2011-02-09
WO2007138123A1 (fr) 2007-12-06

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