WO2013098444A1 - Système de cale pour transférer les charges d'un coffrage au terrain - Google Patents

Système de cale pour transférer les charges d'un coffrage au terrain Download PDF

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Publication number
WO2013098444A1
WO2013098444A1 PCT/ES2012/070756 ES2012070756W WO2013098444A1 WO 2013098444 A1 WO2013098444 A1 WO 2013098444A1 ES 2012070756 W ES2012070756 W ES 2012070756W WO 2013098444 A1 WO2013098444 A1 WO 2013098444A1
Authority
WO
WIPO (PCT)
Prior art keywords
foot
transmission
bar
formwork
load transmission
Prior art date
Application number
PCT/ES2012/070756
Other languages
English (en)
Spanish (es)
Inventor
Enrique Tichell Fortea
Original Assignee
Rúbrica Ingeniería Y Arquitectura, S.L.
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 Rúbrica Ingeniería Y Arquitectura, S.L. filed Critical Rúbrica Ingeniería Y Arquitectura, S.L.
Priority to MX2014007856A priority Critical patent/MX2014007856A/es
Priority to EP12861222.3A priority patent/EP2799664B1/fr
Priority to US14/368,529 priority patent/US20140332659A1/en
Publication of WO2013098444A1 publication Critical patent/WO2013098444A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/001—Corner fastening or connecting means for forming or stiffening elements
    • 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
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
    • E04G17/0655—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning the element consisting of several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms

Definitions

  • the present invention relates to a fit system for the base of a formwork.
  • the shim system is responsible for transmitting to the base of a concrete section the loads that are generated during the concreting of a lining in tunnels made in mine or galleries.
  • the invention is applicable to the formwork of tunnels made in the mine in the field of civil works, especially in the field of the execution of tunnels or galleries.
  • the first phase of the construction is the excavation of the tunnel section, with the execution of the lower part of the section (the counter-vault) in the first place, and then in the second phase, the sides (gables) and the part top (vault) of the section, which are executed jointly.
  • a formwork is used that is responsible for maintaining the shape of the tunnel section, and that during the concreting of that section has to support the loads generated by the weight of the liquid concrete and transmit them to a part of the first phase that has the capacity to support said loads.
  • the object of the invention is to propose a simple element, of easy handling and placement, that makes specific supports for the transmission of stresses, so that it can be adapted in said transmission to irregularities of the ground or shoe where the stresses are transmitted.
  • the invention consists of a shifting system for the transmission of loads from a formwork to the ground, which performs support at specific sites and can be adapted to irregularities of the terrain on which supports and can vary the height of coronation of formwork.
  • the element of the shim system for transmission of loads from a formwork to the ground comprises, in the transmission of vertical loads, a support, a threaded vertical load transmission bar, a nut and a foot.
  • the foot in turn comprises a plate in the upper part that has a perforation, and a change of section in the lower area.
  • the vertical load transmission bar is integral with the support, the support being fixed to a formwork gable.
  • the relative movement between the foot and the support is prevented by introducing the vertical load transmission bar by drilling the foot plate and threading the nut by the upper end of the vertical load transmission bar, thereby achieving the transmission of the stresses generated in the formwork to the ground.
  • the lower part of the foot changes section, having two sections different according to two embodiments of the object of the invention.
  • the shim system comprises two horizontal load bars, parallel to each other, the same lower part of the circular section foot, two clamps, a perforated bar, and at least two nuts for each horizontal load transmission bar.
  • the perforated bar is left embedded in the concrete section shoe and a clamp is placed on the lower part of the foot by hugging it from the outside, the other clamp is placed on the perforated bar joining the two clamps by means of the load transmission bars horizontal and the nuts introduced by the ends of each horizontal load transmission bar.
  • the shim system comprises a horizontal load transmission bar, a lower area of the foot with a hollow square section inside with a recess for the passage of the bar, a seat plate, a shell nut, a perforated bar, with a through hole, and a nut.
  • the lower part of the foot in this second embodiment, as already mentioned, has a hollow square section and on two walls of said section there is a recess, through which the horizontal load transmission bar passes.
  • the horizontal load transmission bar is introduced through the through hole of the perforated bar and in the recess in the lower area of the foot.
  • the seat plate is placed on the lower area of the foot and the shell nut on the seat plate, so that the relative position of the lower area of the foot relative to the perforated bar is fixed by introducing a nut at the end of the horizontal load transmission bar that corresponds to the perforated bar and introducing the shell nut on the seat plate at the other end of the horizontal load transmission bar.
  • the shoring system for transmission of loads from a formwork to the ground comprises a wedge on which the lower part of the foot rests, said wedge being attached to the shoe of the concrete section, so that it transmits horizontal efforts to the shoe.
  • the wedge of the shim system for transmission of loads of a formwork to the ground comprises two symmetrical pieces facing a common face, with said common face presenting a support area of the lower area of the foot, and a threaded bar, with a threaded nut at each end.
  • the screw geometry adapts the wedge geometry until it comes into contact with the lower part of the foot.
  • a special part is used, which constitutes a third embodiment.
  • of the invention which is composed of two perforated bars, two opposing metal profiles integral with each other that form a beam, two clamps, two horizontal load transmission bars and two nuts; the two perforated bars, which have been embedded in the concrete section shoe, are fixed to the beam formed by the two metal profiles;
  • the beam incorporates two clamps at one end.
  • One of the clamps is sliding on a section of the beam and the other joins the first through the horizontal load transmission bars limiting the relative movement between both clamps by means of nuts placed on the horizontal load transmission bars; between these clamps the lower area of the foot is introduced, which in this embodiment has a circular section.
  • Figure 1 is a perspective view of a concrete section of a tunnel with a first embodiment of the shim system object of the invention located in its place of use.
  • Figure 2 is a perspective view of the fit system of Figure
  • Figure 3 is a front view of the shim system according to a first embodiment.
  • Figure 4 is an exploded perspective view of the shim system of Figure 1.
  • Figure 5 is a perspective view of a second embodiment of the fit system object of the invention.
  • Figure 6 is an exploded perspective view of the shim system of Figure 5.
  • Figure 7 is a perspective view of the shim system in the embodiment that is used for the transmission of horizontal stresses on the outside of the tunnel in curved sections.
  • Figure 8 shows an exploded view of the third embodiment of the shim system object of the invention.
  • Figure 9 shows a side view of the embodiment of Figure 8.
  • the invention discloses a system that is placed at the base of the formwork of a tunnel lining that is being executed under the tunnel procedure in mine, and that transmits the loads generated during concreting. from the second phase of the tunnel section to the first phase, which is already executed in the mine construction procedure.
  • the object of the invention comprises a telescopic foot (1), which is responsible for the transmission of vertical forces to the shoe (8) and, together with at least one horizontal load transmission bar (5) and a perforated bar
  • (7) is formed by a series of ribs, which are joined by the inside, and by the exterior by a smooth surface on which concrete is made.
  • the object of the invention has three alternative embodiments that are used for the construction of straight sections of tunnels, and a fourth additional embodiment, compatible with the first two, which is used for the execution of curved sections of tunnels.
  • each individual piece has a support (3), through which a foot (1) of square section moves, and whose section varies in the lower area (1 ') of the foot (1).
  • the lower area (1 ') of the foot (1) is the area of the foot (1) on which the support occurs on the ground or in the shoe (8) of the concrete section and, consequently, the one that transmits the vertical stresses to that ground or shoe (8).
  • the support (3) incorporates a vertical load transmission bar (2) fixed to the support (3).
  • the vertical load transmission bar (2) is threaded at least in its upper part.
  • the foot (1) has a plate (9) with a perforation (10) in its upper part.
  • the vertical load transmission bar (2) fixed to the support (3) is inserted through the perforation (10) of the plate (9), and the vertical load transmission bar (2) is inserted into the threaded area a nut (1 1) that prevents the movement of the foot (1) with respect to the support (3).
  • the invention is fixed to the ribs of the gable formwork (7) either by means of screws (17) that are incorporated in the support (3), or by means of a welded joint. With said joint, the movement of the foot (1) with respect to the support (3) is limited, the vertical forces that the support (3) receives transmits them to the foot (1) through the vertical load transmission bar (2) and the foot (1) transmits them to the concrete shoe (8) of the tunnel section.
  • the horizontal effort is transmitted through two horizontal load transmission bars (5), which are placed, parallel to each other, on both sides of the area bottom of the foot (V), which in this embodiment has a circular section.
  • a clamp (4) is placed, which joins the two horizontal load transmission bars (5) and rests on the part of the foot (1) that has a circular section (1 '), and, at the other end of the horizontal load transmission bars (5), another clamp (4) is placed that rests on the perforated bar (6) that has been left embedded in the shoe (8 ) of concrete.
  • each horizontal load transmission bar (5) on the outside of the clamps (4), two nuts (12) are introduced, one per end, so that the clamps (4) fix the foot (1) and the perforated bar (6) and, through the horizontal load transmission bars (5) the horizontal effort generated in the gable (7) of the tunnel is transmitted to the perforated bar (6), which is located in the shoe (8) ) concrete tunnel section.
  • the horizontal effort is transmitted through a single horizontal load transmission bar (5), which passes through the center of the lower area (1 ') of the foot ( 1), through a recess (15) and by the perforated bar (6), having made a through hole (16) in said perforated bar (6).
  • the lower part of the foot (1 '), in this embodiment has a hollow section of square shape.
  • a nut (1 1) is inserted, which rests on the perforated bar (6), and by he end that corresponds to the foot (1), a seat plate (13) and a shell nut (14) are introduced, so that the seat plate rests on said foot (1).
  • the curved shape of the shell nut (14) and its seat in the plate cavity (13) allows small misalignments between the horizontal load transmission bar (5) and the perpendicular of the seat plate (13).
  • the first embodiment also allows misalignment, due to the round section of the lower foot area (1 '), the perforated bar (6) and the clamps (4).
  • a third embodiment of the invention has been developed (observable in Figures 8 and 9) .
  • the horizontal effort is transmitted by supporting the lower part of the foot (1 ') in a wedge (21), said wedge being supported on the inner wall (20) of the tunnel section.
  • the wedge (21) is formed by two symmetrical pieces (22) facing a common face, which in turn has a support area (23) of the lower part of the foot (1 '). Inside the two symmetrical pieces (22) runs a threaded rod (24), at each end a nut (25) is threaded, adapting the geometry of the wedge (21) until it comes into contact with the lower part of the foot ( one ').
  • FIG. 7 For the execution of curved sections, there is a fourth embodiment (observable in Figure 7), which is placed on the outer side of the curve to be executed.
  • the invention is formed by two perforated bars (6), joined together by two metal profiles (18).
  • the two metal profiles (18) are facing and fixed together forming a hollow beam (19).
  • a second clamp (4) Faced with the first clamp (4) is a second clamp (4) that joins the first through two horizontal load transmission bars (5), the relative movement between the clamps (4) being limited by two nuts (12) that are placed at the end of the bars of horizontal load transmission (5).
  • the lower area (1 ') of the foot (1) is introduced, which in this embodiment has a circular section.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

L'invention concerne un système de cale pour le transfert des charges d'un coffrage au terrain, ledit système comprenant un support (3), une barre de transfert de charge verticale (2) filetée, un écrou (11), et un pied (1) lequel comprend une plaque (9) dotée d'une perforation (10) par laquelle la barre de transmission de charge verticale (2) est solidarisée avec le support (3), le support (3) étant fixé sur un côté du coffrage et transférant les efforts générés dans le coffrage au sol, le mouvement relatif entre le pied (1) et le support (3) étant empêché par l'introduction de la barre de transfert de charge verticale (2) dans la perforation (10) de la plaque (9) du pied (1), et le vissage du boulon (11) depuis l'extrémité supérieure de la barre de transmission de charge verticale (2).
PCT/ES2012/070756 2011-12-29 2012-10-29 Système de cale pour transférer les charges d'un coffrage au terrain WO2013098444A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
MX2014007856A MX2014007856A (es) 2011-12-29 2012-10-29 Sistema de calce para transmitir las cargas de un encofrado al terreno.
EP12861222.3A EP2799664B1 (fr) 2011-12-29 2012-10-29 Système de cale pour transférer les charges d'un coffrage au terrain
US14/368,529 US20140332659A1 (en) 2011-12-29 2012-10-29 Wedging system for transmitting loads from a formwork to the land

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201132129A ES2416832B1 (es) 2011-12-29 2011-12-29 Sistema de calce para transmitir las cargas de un encofrado al terreno.
ESP201132129 2011-12-29

Publications (1)

Publication Number Publication Date
WO2013098444A1 true WO2013098444A1 (fr) 2013-07-04

Family

ID=48696383

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2012/070756 WO2013098444A1 (fr) 2011-12-29 2012-10-29 Système de cale pour transférer les charges d'un coffrage au terrain

Country Status (6)

Country Link
US (1) US20140332659A1 (fr)
EP (1) EP2799664B1 (fr)
CO (1) CO6980650A2 (fr)
ES (1) ES2416832B1 (fr)
MX (1) MX2014007856A (fr)
WO (1) WO2013098444A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9909300B2 (en) 2016-03-16 2018-03-06 Toyota Motor Engineering & Manufacturing North America, Inc. Truss clamp assemblies
US10745907B1 (en) * 2017-06-21 2020-08-18 Timothy William Canby Rolling block restraint connector for external restraint moment connections
US11078661B2 (en) 2019-10-04 2021-08-03 Timothy William Canby Rolling block restraint connector having an improved linkage assembly
CN115467510B (zh) * 2022-08-24 2024-04-19 江苏华邦建设有限公司 剪力墙支模系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1502024A (fr) * 1966-10-04 1967-11-18 Perfectionnements aux coffrages autoporteurs démontables pour construction de galeries en béton
GB1487138A (en) * 1976-02-24 1977-09-28 Kenny P Construction of steel re-inforced concrete columns
US4315701A (en) * 1978-01-06 1982-02-16 Ivanov Valentin A Shuttering for erecting a concrete tunnel lining
US4450666A (en) * 1982-08-26 1984-05-29 Clayburn Refractories, Inc. Econo bricking ring
FR2691204A1 (fr) * 1992-05-13 1993-11-19 Al Cant Coffrages Dispositif de coffrage pour la réalisation d'une paroi en béton notamment d'un tunnel.
US6629681B1 (en) * 2000-02-18 2003-10-07 Metal Forms Corporation Flexible form assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997853A (en) * 1958-07-14 1961-08-29 Maxwell F Kemper Apparatus for driving tunnels
US6193442B1 (en) * 1999-03-16 2001-02-27 Donald R. May Method and device for raising and supporting a building foundation
US6655875B1 (en) * 2002-08-29 2003-12-02 Glenn Pignato Pier adjusting mechanism and method for facilitating the adjusting and leveling of a pier platform
HRP20050537A2 (en) * 2005-06-13 2007-03-31 Planinc Robert System for placing preformed secondary lining for tunnels
EP2588013B1 (fr) * 2010-07-01 2016-05-04 Zimmer, Inc. Collier de fixation externe à verrouillage multiple

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1502024A (fr) * 1966-10-04 1967-11-18 Perfectionnements aux coffrages autoporteurs démontables pour construction de galeries en béton
GB1487138A (en) * 1976-02-24 1977-09-28 Kenny P Construction of steel re-inforced concrete columns
US4315701A (en) * 1978-01-06 1982-02-16 Ivanov Valentin A Shuttering for erecting a concrete tunnel lining
US4450666A (en) * 1982-08-26 1984-05-29 Clayburn Refractories, Inc. Econo bricking ring
FR2691204A1 (fr) * 1992-05-13 1993-11-19 Al Cant Coffrages Dispositif de coffrage pour la réalisation d'une paroi en béton notamment d'un tunnel.
US6629681B1 (en) * 2000-02-18 2003-10-07 Metal Forms Corporation Flexible form assembly

Also Published As

Publication number Publication date
EP2799664B1 (fr) 2017-06-14
ES2416832A1 (es) 2013-08-02
MX2014007856A (es) 2015-08-10
EP2799664A1 (fr) 2014-11-05
EP2799664A4 (fr) 2016-07-20
ES2416832B1 (es) 2014-06-03
CO6980650A2 (es) 2014-06-27
US20140332659A1 (en) 2014-11-13

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