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EP1409791B1 - Element de construction ou de pontage pneumatique - Google Patents

Element de construction ou de pontage pneumatique Download PDF

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Publication number
EP1409791B1
EP1409791B1 EP02708111A EP02708111A EP1409791B1 EP 1409791 B1 EP1409791 B1 EP 1409791B1 EP 02708111 A EP02708111 A EP 02708111A EP 02708111 A EP02708111 A EP 02708111A EP 1409791 B1 EP1409791 B1 EP 1409791B1
Authority
EP
European Patent Office
Prior art keywords
bridge element
sheath
compression bars
webs
pneumatic structural
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
EP02708111A
Other languages
German (de)
English (en)
Other versions
EP1409791A1 (fr
Inventor
Frederick E. To
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.)
Prospective Concepts AG
Original Assignee
Prospective Concepts AG
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 Prospective Concepts AG filed Critical Prospective Concepts AG
Publication of EP1409791A1 publication Critical patent/EP1409791A1/fr
Application granted granted Critical
Publication of EP1409791B1 publication Critical patent/EP1409791B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/005—Girders or columns that are rollable, collapsible or otherwise adjustable in length or height
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/122—Inflatable or unreelable bridges ; Bridges with main load-supporting structure consisting only of non-rigid elements, e.g. cables
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/14—Floating bridges, e.g. pontoon bridges
    • E01D15/20—Floating bridges, e.g. pontoon bridges collapsible, expandable, inflatable or the like with main load supporting structure consisting only of non-rigid members

Definitions

  • the present invention relates to a pneumatic bridge element according to the preamble of claim 1.
  • Pneumatic bridge elements have become known variously. These usually consist of tubular inflatable hollow bodies with an outer skin made of reinforced plastic films. Special precautions are taken to prevent the occurrence To absorb tensile and compressive forces and a buckling of the building or To prevent bridge elements. Basically, the Pressure forces absorbed by one or more pressure rods, which either integrated in the tubular component or on these are grown outdoors. The tensile forces are outside Reinforcements created or integrated in the plastic film or special drawstrings added. Examples of such Building or bridge elements are known from PCT / CH01 / 00107, US 3,894,307, US 4,712,335, US 5,421,128.
  • the object to be achieved with the present invention is to create a pneumatic component or bridge element, which is able to absorb large loads that is used quickly and without any significant preparations, easily transported and manufactured inexpensively can be.
  • a shell 1 of the bridge element consists of a textile fabric less stretch and is with an elastomer or more generally: covered with a flexible plastic and therefore airtight made. About at least one shown schematically Valve 2 can cover this 1 with compressed air in the range of some 100 mB can be inflated.
  • Valve 2 can cover this 1 with compressed air in the range of some 100 mB can be inflated.
  • Between the top and bottom a large number of textile webs 3 are arranged on the cover 1 and with the material of the casing 1 by welding or bonded.
  • the webs 3 consist at least of a first layer 4 of a fabric, the course of the thread in relation rotated about 45 ° in the longitudinal direction of the bridge element is.
  • a second layer 5 of the same fabric has one with respect to the longitudinal direction of the bridge element parallel or perpendicularly arranged thread course.
  • the the layers 4, 5 forming tissue also has small elasticity.
  • two or more first layers 4 for the webs 3 use or only every second bridge with one or also to provide several second layers 5 in addition. critical is the use of at least a first layer 4 in each Bridge around the tensile forces from the bars 6 to the lower surface derive the envelope 1.
  • each pressure rod 6 runs in the plane defined by the web 3.
  • each push rod 6 is shown by a variety of tabs 7 out and in position held.
  • the tabs 7 are glued to the envelope 1 or welding.
  • pro Push rod 6 just a single one, covering its entire area extending tab 7 are provided.
  • pressure rods 6 can be metal rods or tubes, rods made of GRP, CFRP or Wood can be provided.
  • GRP GRP
  • CFRP CFRP
  • Wood Just like the elasticity of the textile The compressive strength of the bars depends on the materials due to the heavy stress of such a bridge element and the cost of it should.
  • a bridge element is set up and used for bridging a terrain cut 8.
  • a protective cover 9 reinforced which is also made of a flexible plastic exists, possibly reinforced by additional fabric reinforcements.
  • a slab 10 is here over the bars 6, for example, made of wooden planks, on the one hand, the shell 1 to protect, on the other hand around the on the bridge element distributed forces.
  • the limit load in the installation shown in Fig. 1 is limited by the pressure in the casing 1, the compressive strength of the bars 6 and the tensile and shear strength the webs 3. In cooperation with the pressure is too the size of the contact surfaces of the bridge element on the The underground is crucial.
  • Fig. 4 As an alternative to the type of support shown in FIG. 1 and the construction of the bridge element on the natural underground can occur that shown in Fig. 4. Is only shown one end of the bridge element; the other is complete equally trained.
  • the ends of the rods 6 are through a suitably shaped, transverse to the bars 6
  • Carrier 11 supports and the weight of the bridge element and its load is transferred from the beam 11 via two supports 12 derived to the underground.
  • the means of power transmission of the bars 6 on the carrier 11 are known per se and are therefore not described further.
  • essential to the invention is that the rods 6 have non-flying ends, which are only stressed on bending, but that the Forces that could give rise to a bend in shape are derived from tensile forces on the webs 3.
  • a ramp 13 is provided here, which articulated on the carriageway slab 10 in the area of the beam 11 is attached.
  • the pressure rods either over their entire length or at least at short intervals with the envelope 1 - preferably in the tabs 7 - to connect non-positively. These connections can by mechanical means such as clamping devices, but can also be done by gluing.
  • the bridge element can be placed anywhere there use where loads are carried by a flat element should be.
  • a roof for example Case.
  • FIG. On schematically represented building, its statics for example is formed by several steel beams 15 carries at least 1 as roof elements 16. These are connected by means of node elements 14 at one end Steel beams 15, the other with a so-called tanner beam 17 connected.
  • the node elements 14 take the place of Carrier 11 according to FIG. 4. Also the connections of the node elements 14 with the pressure rods 6 are known per se and Common civil engineer.
  • the tanner carrier 17 is connected to the Node elements extended to the roof elements 16, with which torques in the Gerberlich 17 as perpendicular to it acting forces can be transmitted to the pressure rods 6, where they are derived like normal loads. real this roof forms an actual three-joint arch one blocked joint on the side with the larger one Load.
  • the steel beams 15 are against each other with steel cables 18 guyed.
  • Other roof structures are a matter of course possible with such roof elements 16 where so less demanding static tasks are to be solved. Since the pressure forces in the pressure rods 6 here on the Node elements 14 are derived outwards, it is again only required at the ends of the pressure rods 6, these to connect with the cover in a force-fitting manner. Between the ends can the pressure rods 6 in the tabs 7 longitudinally movable his.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Rod-Shaped Construction Members (AREA)

Claims (8)

  1. Elément de construction ou de pont pneumatique comprenant une enveloppe (1) pouvant être sollicitée avec de l'air comprimé par une vanne (2) et à base d'un tissu textile de faible extensibilité et d'un revêtement étanche à l'air à base d'un plastique souple, des éléments pour la réception de forces de pression et des éléments pour la réception de forces de traction, caractérisé en ce que
    sur le côté supérieur de l'élément de pont est disposé un grand nombre de barres de pression (6) disposées parallèlement entre elles, qui sont guidées dans des languettes (7) reliées à l'enveloppe (1),
    un nombre, correspondant au nombre des barres de pression (6), de nervures (3) à base d'un tissu textile de faible extensibilité est présent, qui relient le côté supérieur et le côté inférieur de l'enveloppe (1),
    les nervures (3) textile sont disposées dans des plans agencés parallèlement entre eux,
    chacun de ces plans cités contient chacun également l'une des barres de pression (6)
    les nervures (3) sont reliées sur toute leur longueur au côté intérieur de l'enveloppe (1),
    on a pour chaque nervure (3) au moins une première couche de tissu (4) dont le tracé de fil est tourné de sensiblement 45° par rapport à la direction longitudinale de l'élément de pont.
  2. Elément de construction ou de pont pneumatique selon la revendication 1, caractérisé en ce que, en supplément des couches de tissu (4) tournées de 45°, on a des secondes couches de tissu (5), dont le tracé de fil est disposé parallèlement et perpendiculairement à la direction longitudinale de l'élément de pont.
  3. Elément de construction ou de pont pneumatique selon la revendication 1 ou 2, caractérisé en ce que les barres de pression (6) sont reliées sensiblement sur toute leur longueur à l'enveloppe (1) par l'adhérence des forces.
  4. Utilisation de l'élément de construction ou de pont pneumatique selon la revendication 3 comme élément de pont, l'enveloppe (1) étant renforcée au moins sur une partie de son côté inférieur avec un revêtement de protection (9) et l'élément de pont étant posé avec son côté inférieur sur le sous-sol.
  5. Utilisation de l'élément de construction ou de pont pneumatique selon la revendication 3 comme ponton (19), l'enveloppe (1) étant pourvue de moyens d'amarrage (20) pour la fixation d'amarres (21).
  6. Elément de construction ou de pont pneumatique selon la revendication 1 ou 2, caractérisé en ce que les barres de pression (6) sont reliées sur les deux extrémités à l'enveloppe (1) par adhérence des forces et sont guidées par le reste de leur longueur dans les languettes (7), et en ce que sur les extrémités des barres de pression (6) sont placés des moyens pour dévier les forces de support.
  7. Utilisation de l'élément de construction ou de pont pneumatique selon la revendication 6 comme élément de toit (16), les moyens pour la déviation des forces d'appui étant des éléments de noeud (14), au moyen desquels les éléments de toit (16) sont reliés à leur structure portante.
  8. Utilisation de l'élément de construction ou de pont pneumatique selon la revendication 6 comme élément de pont, les moyens pour la déviation des forces de support étant des poutres (11), qui sont disposées transversalement aux barres de pression (6) et dévient les forces de support au moyen d'appuis (12) sur le sous-sol.
EP02708111A 2001-07-20 2002-03-27 Element de construction ou de pontage pneumatique Expired - Lifetime EP1409791B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH134701 2001-07-20
CH13472001 2001-07-20
PCT/CH2002/000178 WO2003016634A1 (fr) 2001-07-20 2002-03-27 Element de construction ou de pontage pneumatique

Publications (2)

Publication Number Publication Date
EP1409791A1 EP1409791A1 (fr) 2004-04-21
EP1409791B1 true EP1409791B1 (fr) 2004-12-15

Family

ID=4565399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02708111A Expired - Lifetime EP1409791B1 (fr) 2001-07-20 2002-03-27 Element de construction ou de pontage pneumatique

Country Status (7)

Country Link
US (1) US6874192B2 (fr)
EP (1) EP1409791B1 (fr)
AT (1) ATE284999T1 (fr)
CA (1) CA2454241C (fr)
DE (1) DE50201807D1 (fr)
ES (1) ES2235010T3 (fr)
WO (1) WO2003016634A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH704634B1 (de) * 2003-03-21 2012-09-28 Prospective Concepts Ag Pneumatisches Bauelement.
US8820000B2 (en) 2003-07-18 2014-09-02 Prospective Concepts Ag Pneumatic support
CN100376756C (zh) * 2003-07-18 2008-03-26 未来概念公司 充气支架
GB0420174D0 (en) * 2004-09-10 2004-10-13 Survitec Group Ltd Fascines
EP2181035B1 (fr) * 2007-08-29 2016-11-23 Liferaft Systems Australia Pty Limited Glissiere d'evacuation triangulaire gonflable
GB0906978D0 (en) * 2009-04-22 2009-06-03 Ove Arup & Partners Internat L Deployable bridge element
EP2829690A1 (fr) * 2013-07-23 2015-01-28 Alstom Technology Ltd Ensemble de maintenance pouvant s'adapter à l'intérieur d'un moteur à turbine à gaz
CH712565A1 (de) * 2016-06-08 2017-12-15 Pibridge Ltd Pneumatischer Träger.
CH713818A1 (de) 2017-05-16 2018-11-30 Pibridge Ltd Pneumatischer Träger.
CN107841937B (zh) * 2017-11-10 2023-12-19 中国人民解放军国防科技大学 轻型张弦气承式桥梁
AR121550A1 (es) * 2021-03-11 2022-06-15 Guijarro Jimenez Antonio Gustavo Disposición constructiva neumática ultrarresistente para grandes obras

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527995A (en) * 1941-05-28 1950-10-31 Hamilton S Lilyflex Surfaces L Device for supporting moving vehicles on water
US2480144A (en) * 1943-08-12 1949-08-30 John N Laycock Pontoon assembly
US2987024A (en) * 1959-05-11 1961-06-06 Paul J Rush Mobile segmented cylindrical pontoon structure
GB1176941A (en) 1966-05-06 1970-01-07 Secr Defence Improvements in or relating to Bridge Structures
FR2229814A1 (fr) 1973-05-16 1974-12-13 Superflexit
DE3206222A1 (de) * 1982-02-20 1983-09-01 IBEK Ingenieurbüro Echtler Kaiserslautern GmbH, 6750 Kaiserslautern Ponton fuer schwimmbruecken und faehren
DE3540607C1 (de) * 1985-11-15 1987-04-02 Gutehoffnungshuette Man Vorrichtung zum Falten einer Pontoneinheit
US4712335A (en) * 1986-12-17 1987-12-15 Barkdull Jr Howard L Method of span construction
AT394219B (de) * 1990-08-23 1992-02-25 Stranzinger Margarete Schwimmelement
US5107785A (en) * 1990-12-07 1992-04-28 Baxter Hal T Floating dock and breakwater
DE4227094C2 (de) * 1992-08-17 2001-02-08 Man Technologie Gmbh Pneumatische Bodenstütze für verlegbare Brücken
US5421128A (en) * 1994-01-14 1995-06-06 Sharpless; Garrett C. Curved, inflated, tubular beam
US6381792B1 (en) * 1999-11-18 2002-05-07 Sandia Corporation Modular foam floating bridge
CA2374645C (fr) 2000-03-27 2009-05-26 Mauro Pedretti Element constitutif pneumatique

Also Published As

Publication number Publication date
ES2235010T3 (es) 2005-07-01
WO2003016634A1 (fr) 2003-02-27
EP1409791A1 (fr) 2004-04-21
US20040237225A1 (en) 2004-12-02
DE50201807D1 (de) 2005-01-20
ATE284999T1 (de) 2005-01-15
US6874192B2 (en) 2005-04-05
CA2454241A1 (fr) 2003-02-27
CA2454241C (fr) 2009-01-27

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