EP1409791B1 - Pneumatisches bau- oder brückenelement - Google Patents
Pneumatisches bau- oder brückenelement Download PDFInfo
- 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
Links
Images
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)
Description
- Fig. 1
- ein erstes Ausführungsbeispiel des Brückenelementes im Längsschnitt,
- Fig. 2
- einen Querschnitt durch ein Brückenelement,
- Fig. 3
- eine Seitenansicht eines Details,
- Fig. 4
- eine Seitenansicht eines zweiten Ausführungsbeispiels,
- Fig. 5
- ein drittes Ausführungsbeispiel in einer schematischen Seitenansicht,
- Fig. 6
- ein viertes Ausführungsbeispiel in einer schematischen Seitenansicht.
Claims (8)
- Pneumatisches Bau- oder Brückenelement mit einer über ein Ventil (2) mit Druckluft beaufschlagbaren Hülle (1) aus einem textilen Gewebe kleiner Dehnbarkeit und einem luftdichten Überzug aus einem flexiblen Kunststoff, mit Elementen zur Aufnahme von Druckkräften und solchen zur Aufnahme von Zugkräften, dadurch gekennzeichnet dass,an der Oberseite des Brückenelementes eine Vielzahl von Druckstäben (6) parallel zueinander angeordnet ist, welche in mit der Hülle (1) verbundenen Laschen (7) geführt sind,eine der Anzahl der Druckstäbe (6) entsprechende Anzahl von Stegen (3) aus einem textilen Gewebe kleiner Dehnbarkeit vorhanden ist, welche die Oberseite und die Unterseite der Hülle (1) verbinden,die textilen Stege (3) in parallel zueinander verlaufenden Ebenen angeordnet sind,jede dieser genannten Ebenen auch je einen der Druckstäbe (6) enthält,die Stege (3) auf ihrer ganzen Länge mit der Innenseite der Hülle (1) verbunden sind,pro Steg (3) mindestens eine erste Gewebelage (4) vorhanden ist, deren Fadenverlauf gegenüber der Längsrichtung des Brückenelementes um im Wesentlichen 45° gedreht ist.
- Pneumatisches Bau- oder Brückenelement nach Patentanspruch 1, dadurch gekennzeichnet, dass zusätzlich zu den um 45° gedrehten Gewebelagen (4) zweite Gewebelagen (5) vorhanden sind, deren Fadenverlauf parallel und senkrecht zur Längsrichtung des Brückenelementes angeordnet ist.
- Pneumatisches Bau- oder Brückenelement nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, dass die Druckstäbe (6) im Wesentlichen über ihre ganze Länge mit der Hülle (1) kraftschlüssig verbunden sind.
- Verwendung des Pneumatischen Bau- oder Brückenelementes nach Patentanspruch 3 als Brückenelement, wobei die Hülle (1) mindestens auf einem Teil ihrer Unterseite mit einem Schutzüberzug (9) verstärkt ist und das Brückenelement mit seiner Unterseite auf den Untergrund aufgelegt ist.
- Verwendung des Pneumatischen Bau- oder Brückenelementes nach Patentanspruch 3 als Ponton (19), wobei die Hülle (1) mit Vertäuungsmitteln (20) zur Befestigung von Haltetauen (21) versehen ist.
- Pneumatisches Bau- oder Brückenelement nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, dass die Druckstäbe (6) an ihren beiden Enden mit der Hülle (1) kraftschlüssig verbunden und über den Rest ihrer Länge in den Laschen (7) geführt sind, und dass an den Enden der Druckstäbe (6) Mittel angebracht sind, um die Auflagekräfte abzuleiten.
- Verwendung des Pneumatischen Bau- oder Brückenelementes nach Patentanspruch 6 als Dachelement (16), wobei die Mittel zur Ableitung der Auflagekräfte Knotenelemente (14) sind, mittels derer die Dachelemente (16) mit ihrer Tragstruktur verbunden sind.
- Verwendung des Pneumatischen Bau- oder Brückenelementes nach Patentanspruch 6 als Brückenelement, wobei die Mittel zur Ableitung der Auflagekräfte Träger (11) sind, welche quer zu den Druckstäben (6) angeordnet sind und die Auflagekräfte über Stützen (12) an den Untergrund ableiten.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH134701 | 2001-07-20 | ||
CH13472001 | 2001-07-20 | ||
PCT/CH2002/000178 WO2003016634A1 (de) | 2001-07-20 | 2002-03-27 | Pneumatisches bau- oder brückenelement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1409791A1 EP1409791A1 (de) | 2004-04-21 |
EP1409791B1 true EP1409791B1 (de) | 2004-12-15 |
Family
ID=4565399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02708111A Expired - Lifetime EP1409791B1 (de) | 2001-07-20 | 2002-03-27 | Pneumatisches bau- oder brückenelement |
Country Status (7)
Country | Link |
---|---|
US (1) | US6874192B2 (de) |
EP (1) | EP1409791B1 (de) |
AT (1) | ATE284999T1 (de) |
CA (1) | CA2454241C (de) |
DE (1) | DE50201807D1 (de) |
ES (1) | ES2235010T3 (de) |
WO (1) | WO2003016634A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH704634B1 (de) * | 2003-03-21 | 2012-09-28 | Prospective Concepts Ag | Pneumatisches Bauelement. |
CA2531918C (en) * | 2003-07-18 | 2011-04-26 | Prospective Concepts Ag | Pneumatic support |
US8820000B2 (en) | 2003-07-18 | 2014-09-02 | Prospective Concepts Ag | Pneumatic support |
GB0420174D0 (en) * | 2004-09-10 | 2004-10-13 | Survitec Group Ltd | Fascines |
EP2181035B1 (de) * | 2007-08-29 | 2016-11-23 | Liferaft Systems Australia Pty Limited | Dreieckiges aufblasbares abführungsgleitsystem |
GB0906978D0 (en) * | 2009-04-22 | 2009-06-03 | Ove Arup & Partners Internat L | Deployable bridge element |
EP2829690A1 (de) * | 2013-07-23 | 2015-01-28 | Alstom Technology Ltd | Wartungsanordnung, die in einen Gasturbinenmotor eingepasst werden kann |
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)
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 (de) | 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 |
BR0105386B1 (pt) | 2000-03-27 | 2009-01-13 | componente estrutural pneumático. |
-
2002
- 2002-03-27 EP EP02708111A patent/EP1409791B1/de not_active Expired - Lifetime
- 2002-03-27 WO PCT/CH2002/000178 patent/WO2003016634A1/de active IP Right Grant
- 2002-03-27 ES ES02708111T patent/ES2235010T3/es not_active Expired - Lifetime
- 2002-03-27 AT AT02708111T patent/ATE284999T1/de active
- 2002-03-27 US US10/483,169 patent/US6874192B2/en not_active Expired - Fee Related
- 2002-03-27 DE DE50201807T patent/DE50201807D1/de not_active Expired - Lifetime
- 2002-03-27 CA CA002454241A patent/CA2454241C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE284999T1 (de) | 2005-01-15 |
US6874192B2 (en) | 2005-04-05 |
WO2003016634A1 (de) | 2003-02-27 |
CA2454241A1 (en) | 2003-02-27 |
EP1409791A1 (de) | 2004-04-21 |
DE50201807D1 (de) | 2005-01-20 |
ES2235010T3 (es) | 2005-07-01 |
US20040237225A1 (en) | 2004-12-02 |
CA2454241C (en) | 2009-01-27 |
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