WO2008074524A1 - Verbundtragsysteme unter verwendung von kunststoffen in kombination mit anderen werkstoffen - Google Patents
Verbundtragsysteme unter verwendung von kunststoffen in kombination mit anderen werkstoffen Download PDFInfo
- Publication number
- WO2008074524A1 WO2008074524A1 PCT/EP2007/059158 EP2007059158W WO2008074524A1 WO 2008074524 A1 WO2008074524 A1 WO 2008074524A1 EP 2007059158 W EP2007059158 W EP 2007059158W WO 2008074524 A1 WO2008074524 A1 WO 2008074524A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- composite system
- plastic
- composite
- materials
- support
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/28—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of materials not covered by groups E04C3/04 - E04C3/20
Definitions
- the support system described here exploits the different strengths and specific material properties in order to enable the most slender, yet very stable and, depending on the design of the plastic components, partially transparent, translucent or opaque supporting structure.
- the support system can be used both horizontally, for example, as a bending beam as well as vertically as a support.
- Wood-glass support In the autoimmune Polytechnique Federale de Lausanne, Switzerland, according to Prof. Julius Natterer and Dr. med. Klaus Kreher a carrier in the combination of Wood and glass developed.
- the support consists of a vertical glass pane, to which a wooden frame is glued on both sides.
- the wooden frame distributes the loads and provides a tensile reinforcement for the glass in the event that the disc ruptures at exceeded flexural strength of the glass.
- These wood-glass composite beams were used in the construction of a hotel in Switzerland. (SOURCE: Dissertation Klaus Kreher, EPFL Lausanne, 2002)
- WO 2003/023162 a transparent construction element with a disk is described, which relates its supporting and stiffening properties by a frame surrounding the plate on all sides.
- the pane is a multi-layer element consisting of glass and / or polymer variants which have been glued together.
- Various plastics are mentioned (claims 8 to 10), but only in combination of several layers.
- PC polycarbonate
- PU polyurethane
- PVC polyvinyl chloride
- PMMA Polymethyl (meth) acrylates
- PS polystyrene
- ABS acrylonitrile-butadiene-styrene copolymers
- SAN styrene-acrylonitrile copolymers
- PMMA glass laminates as a web and disk material of a structure are also not mentioned.
- the stiffening frame material was further described as a layer material.
- the object of the present invention is to develop a composite support in which plastics are used according to their material properties.
- the plastics are characterized by a comparatively low modulus of elasticity and high ductility.
- the supposed disadvantage of the low modulus of elasticity is due to the intelligent combination with other materials to the advantage.
- the combination of the high tensile and compressive stresses are absorbed by the stronger materials and the relatively low shear stresses of the softer materials.
- the invention is compared to other known support systems, a frameless structure, which has a plurality, but at least one frictional composite, load-bearing parts of different materials.
- Plastic elements can be multilayered, but preferably also single-layered consist of homogeneous materials.
- a filigree support system By combining plastics with other materials, a filigree support system can be produced.
- support system is meant here a system that is involved in a load transfer. It can transfer loads in the horizontal direction, such as a bending beam or a cantilever arm, or forward the loads in the vertical direction, such as a column.
- a bending beam In a bending beam consists of the upper and lower part, here called belt, made of a stiff, conventional material such as wood, steel, aluminum or glass and the middle part, here called web, made of one or more plastics. Due to the significant difference in stiffness, the conventional material absorbs the loads under load, the bridge only serves to achieve the balance between upper and lower flange.
- the connection between the two materials is made either by mechanical fasteners, such as various screws, dowels, rivets, dowel pins, bolts, etc., or by glued joints. Other types of non-positive connections are conceivable here.
- the choice of connection technology is related to the type of power transmission and thus also with the present support system.
- the support system for example, consists of several small cross-sections of conventional materials, the kink protection is realized by connecting the cross sections with plastic discs. materials selection
- stiffer material conventional materials can be used, such as wood, wood-based materials, metals, glass or concrete, but also high performance plastics or reinforced plastics.
- Plastics which have a modulus of elasticity (measured according to DIN EN ISO 527) of at least 150 N / mm 2 can be used as the less rigid material.
- Copolymers (ABS), styrene-acrylonitrile copolymers (SAN), polyvinyl chloride (PVC) or polystyrene (PS) can be used.
- the PMMA is marketed under the trademark Plexiglas ® by Röhm GmbH. Particularly well the Plexiglas ® GS grades, which are prepared by cast polymerization are suitable for this use. It can also be used filled PMMA types, they are put on the market for example under the name Corian ® or Creanit ®. It is also possible to use laminates of different plastics or layer materials.
- the rod-shaped, conventional materials are fastened with connecting means on a sheet-like plastic component.
- the sheet-like plastic component is characterized in that it is much longer in the supporting direction than perpendicular to the supporting direction.
- the ratio of height to length between two adjacent breakpoints of the component, also called a support is for example between 1: 1 and 1:80, preferably between 1: 5 and 1:40 and most preferably between 1:10 and 1:25.
- the height of the component is for example 10 to 300 cm, preferably 15 and 120 cm and most preferably 20 to 80 cm.
- the thickness of the component may for example be between 3 and 500 mm.
- the length of the component is chosen according to the structural requirements, the sheet-like plastic component can be brought by gluing to the required length. At the long edges, the rod-shaped, conventional materials are attached. The connection between the plastic and the conventional material is made by connecting means.
- an adhesive such as the adhesive is along the longer edges applied to both sides, which dissolves the material, which is sold under the trademark Acrifix ® from Röhm GmbH. Wooden slats are pressed against the adhesive surfaces from both sides and fixed with screw clamps. After curing and thus cohesive bond between plastic and wood, the clamps are removed. Production of the material composite (connecting means)
- the actual material composite between the individual load-removing elements is of particular importance, since this contributes significantly to the stability and resilience of the structure.
- Possibilities to produce the described support systems via form-fit exist by riveting, pinning (dowels), crushing, shrinking, pressure joining or hot deformation of the material components.
- some favorable joining techniques are specified:
- Bonding should be the preferred cohesive bonding technique for making the structure of various materials described herein. Depending on the choice of material, a variety of adhesive systems are known in the literature, which generally cover the following combinations:
- Metal plastic wood - plastic, metal - glass, metal - wood, etc.
- an adhesive is a non-metallic material that bonds parts to each other through surface adhesion and internal strength. Therefore, suitable composite adhesives must meet at least two requirements: they must build up sufficiently high adhesion both to the one material and to the other material, and they have to provide strength even in the adhesive layer.
- the assessment of a "glued" material composite depends on the type of stress typical in the application In the present case of a composite structure, the predominant stress is shear, rarely tensile or even peeling. in which the joining parts are pulled apart in a parallel direction, the more force is required here, the better the material composite.
- Welding or brazing is rather reserved structures of uniform materials but can also be used in special cases, for example. for metal-light metal variants or plastic A-plastic B combinations are used as composite technology.
- the hole bore hole is slightly larger than to choose the screw diameter. Appropriate methods of screw locking are to be selected depending on the use of the structure.
- dowels both wooden dowels and any other types of dowels, such as steel pins or springs are considered. These dowels are intended to produce a bearing connection between the materials in pre-drilled holes.
- the plastic and the other material can also be a composite done by the thermal forming.
- the conventional material has an irregular groove into which a heated thermoplastic material fits. Due to the irregularity in the groove cavities arise in which the thermoplastic material inserts and thus "holds".
- the plastic part Connect by shrinking By a cold treatment, for example, the plastic part is brought to a very low temperature. As a result, this plastic part contracts. Now, the plastic part is inserted in register between two components of conventional material. By heating the plastic component to the usual temperature, it expands and clamps between the conventional material.
- Connecting means screws, bolts, dowels, adhesives, rivets, dowel pins, sintering, all known mechanical and glued connection techniques.
- a possible example for the use of the described supporting system in construction is the bending beam with an I-section, which is composed of different materials.
- the top and bottom chords of the wearer here consist of a traditional building material, such as metal or wood, while the bridge is made of a plastic.
- the web has a lower stiffness than the two straps, as it is ensured that the greater part of the normal stresses occur in the straps.
- the plastic bridge transmits the pushing forces between the two straps.
- the connection of the two different materials takes place with pin-shaped mechanical
- Connecting means In this case, for example, bolts or dowels can be used. It would also be an appropriate connection by gluing possible.
- a transparent plastic such as PMMA, gives the wearer an apparent lightness that is of high aesthetic value.
- the height of the carrier varies between 10 and 300 cm, the thickness of the plastic webs is between 3 and 500 mm.
- the cross-sectional area of the straps is in the range of 5 to 3000 cm 2 for wood, and in the range of 1 to 500 cm 2 for steel.
- an underpinned support made of a known material, such as aluminum or wood, a plastic and a cable bracing.
- the carrier has a top chord which receives the compressive forces and a possibly transparent plastic bar which has a milled groove on the underside which serves as a guide for a cable.
- the carrier has a fish-belly shape so that the cable at the end of the carrier can be connected to the pressure belt. In this case, both the upper belt and the underside of the carrier have an arc shape.
- Massive carrier the system described here can also be applied to a solid beam.
- two slats of a conventional building material are glued on the top and bottom as a reinforcement on a solid plastic beam or fixed with mechanical fasteners.
- the respective belt takes over again the first
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2007334810A AU2007334810A1 (en) | 2006-12-18 | 2007-09-03 | Composite support systems using plastics in combination with other materials |
US12/516,209 US20100018143A1 (en) | 2006-12-18 | 2007-09-03 | Composite support systems using plastics in combination with other materials |
EP07803145A EP2102428A1 (de) | 2006-12-18 | 2007-09-03 | Verbundtragsysteme unter verwendung von kunststoffen in kombination mit anderen werkstoffen |
BRPI0721071-0A BRPI0721071A2 (pt) | 2006-12-18 | 2007-09-03 | Sistemas de suporte compósitos usando plásticos em combinação com outros materiais |
JP2009541928A JP2010513755A (ja) | 2006-12-18 | 2007-09-03 | プラスチックを他の材料と組み合わせて使用した複合支持系 |
MX2009006568A MX2009006568A (es) | 2006-12-18 | 2007-09-03 | Sistemas de soporte compuestos utilizando sustancias plasticas en combinacion con otros materiales. |
CA002671937A CA2671937A1 (en) | 2006-12-18 | 2007-09-03 | Composite support systems using plastics in combination with other materials |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006060160.2 | 2006-12-18 | ||
DE102006060160 | 2006-12-18 | ||
DE102007001651.6 | 2007-01-11 | ||
DE102007001651A DE102007001651A1 (de) | 2006-12-18 | 2007-01-11 | Verbundsysteme unter Verwendung von Kunststoffen in Kombination mit anderen Werkstoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008074524A1 true WO2008074524A1 (de) | 2008-06-26 |
Family
ID=38686654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/059158 WO2008074524A1 (de) | 2006-12-18 | 2007-09-03 | Verbundtragsysteme unter verwendung von kunststoffen in kombination mit anderen werkstoffen |
Country Status (12)
Country | Link |
---|---|
US (1) | US20100018143A1 (de) |
EP (1) | EP2102428A1 (de) |
JP (1) | JP2010513755A (de) |
KR (1) | KR20090092282A (de) |
AU (1) | AU2007334810A1 (de) |
BR (1) | BRPI0721071A2 (de) |
CA (1) | CA2671937A1 (de) |
DE (1) | DE102007001651A1 (de) |
MX (1) | MX2009006568A (de) |
RU (1) | RU2009127499A (de) |
TW (1) | TW200833915A (de) |
WO (1) | WO2008074524A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011006901A (ja) * | 2009-06-25 | 2011-01-13 | Across Corp | 複合材梁の接合構造 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008054628A1 (de) | 2008-12-15 | 2010-06-17 | Evonik Röhm Gmbh | Kraftschlüssige Verbindung zwischen Trägerbauteilen und Trägerelemente aus Kunststoff |
CH700137A1 (de) * | 2008-12-19 | 2010-06-30 | Swissfiber Ag | Biegeträger-verbundelement aus holz und faserverstärktem kunststoff. |
US8910455B2 (en) * | 2010-03-19 | 2014-12-16 | Weihong Yang | Composite I-beam member |
DE102011088147A1 (de) | 2011-12-09 | 2013-06-13 | Evonik Industries Ag | Verbundkörper, umfassend ein Verbundmaterial |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2547897A1 (de) * | 1975-10-25 | 1977-05-05 | Karl Welte | Profiltraeger |
WO1995030808A1 (en) * | 1994-05-05 | 1995-11-16 | William John Bernard Ollis | Building elements |
WO2003016649A1 (en) * | 2001-08-14 | 2003-02-27 | The University Of Southern Queensland | A method of manufacturing structural units |
WO2003023162A1 (en) * | 2001-09-12 | 2003-03-20 | Michel Palumbo | Structural element, in particular for the building industry |
US20040219357A1 (en) * | 2003-03-17 | 2004-11-04 | Dirk Van Dijk | Reinforced profile |
DE202004018766U1 (de) * | 2004-12-04 | 2005-03-31 | Seele Gmbh & Co Kg | Glasträger |
DE102005002302A1 (de) * | 2005-01-17 | 2006-07-27 | Thyssenkrupp Steel Ag | Profilelement und Verwendungen eines solchen Profilelements |
Family Cites Families (24)
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US3817010A (en) * | 1971-04-09 | 1974-06-18 | C Stegmuller | Beam strengthening method and apparatus |
US4413459A (en) * | 1981-03-16 | 1983-11-08 | Boise Cascade Corporation | Laminated wooden structural assembly |
FR2650850B1 (fr) * | 1989-08-09 | 1991-11-29 | Sipeg | Element de renforcement d'une poutre en bois existante, ses procedes et installation de fabrication, ses utilisations et poutre renforcee ainsi obtenue |
US5096525A (en) * | 1989-09-12 | 1992-03-17 | The Boeing Company | Apparatus and method for forming and bonding a thermoplastic part from thermoplastic blanks |
US5048256A (en) * | 1989-09-27 | 1991-09-17 | A/S Selvaagbygg | Composite beam |
FR2678971B1 (fr) * | 1991-07-08 | 1998-04-10 | Andre Giraud | Elements de structure composite transparents et leurs procedes de fabrication. |
FR2714409B1 (fr) * | 1993-12-23 | 1996-03-15 | Cogidev | Structure porteuse pouvant être utilisée comme poteau ou poutre. |
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DE19822417C2 (de) * | 1997-05-21 | 1999-08-12 | Erwin Fetterle | Bauteil mit erhöhter Festigkeit |
ATE257884T1 (de) * | 1998-02-24 | 2004-01-15 | Lamberts Glasfabrik | Glasbauelement zum bilden eines vorzugsweise selbsttragenden wand-, dach- oder deckenabschnitts oder -elements |
US20020157329A1 (en) * | 1998-12-11 | 2002-10-31 | Clarke Berdan | Resilient construction member and retrofit system using same |
DE10148269A1 (de) * | 2001-09-28 | 2003-04-17 | Ulrich Kraemer | Bauelement und Verfahren zu dessen Herstellung |
DE20208538U1 (de) * | 2002-05-29 | 2003-10-16 | Arnold Christian | Tragelement und hieraus herstellbares Stützgerüst |
JP2004060406A (ja) * | 2002-07-31 | 2004-02-26 | Nippon Oil Corp | Frp製構造用部材 |
US7197856B2 (en) * | 2002-09-03 | 2007-04-03 | Ian Nicholas Coles | Modular truss assembly |
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DE102004050214A1 (de) * | 2004-10-15 | 2006-04-27 | Bauhaus-Universität Weimar Dezernat Forschungstransfer und Haushalt | Profil aus Glas-Kunststoff-Verbund |
JP2006125034A (ja) * | 2004-10-28 | 2006-05-18 | Shoichi Hirata | 複合横架材 |
JP2006328684A (ja) * | 2005-05-24 | 2006-12-07 | Toray Ind Inc | 補強木材構造物 |
WO2008140521A1 (en) * | 2007-05-11 | 2008-11-20 | International Contractors Services Llc | Composite construction beam |
US7628111B2 (en) * | 2007-06-11 | 2009-12-08 | Trinity Industries, Inc. | Temperature controlled railway car support post |
-
2007
- 2007-01-11 DE DE102007001651A patent/DE102007001651A1/de not_active Withdrawn
- 2007-09-03 WO PCT/EP2007/059158 patent/WO2008074524A1/de active Application Filing
- 2007-09-03 AU AU2007334810A patent/AU2007334810A1/en not_active Abandoned
- 2007-09-03 JP JP2009541928A patent/JP2010513755A/ja active Pending
- 2007-09-03 KR KR1020097012521A patent/KR20090092282A/ko not_active Application Discontinuation
- 2007-09-03 EP EP07803145A patent/EP2102428A1/de not_active Withdrawn
- 2007-09-03 BR BRPI0721071-0A patent/BRPI0721071A2/pt not_active IP Right Cessation
- 2007-09-03 MX MX2009006568A patent/MX2009006568A/es not_active Application Discontinuation
- 2007-09-03 US US12/516,209 patent/US20100018143A1/en not_active Abandoned
- 2007-09-03 CA CA002671937A patent/CA2671937A1/en not_active Abandoned
- 2007-09-03 RU RU2009127499/03A patent/RU2009127499A/ru not_active Application Discontinuation
- 2007-12-12 TW TW096147465A patent/TW200833915A/zh unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2547897A1 (de) * | 1975-10-25 | 1977-05-05 | Karl Welte | Profiltraeger |
WO1995030808A1 (en) * | 1994-05-05 | 1995-11-16 | William John Bernard Ollis | Building elements |
WO2003016649A1 (en) * | 2001-08-14 | 2003-02-27 | The University Of Southern Queensland | A method of manufacturing structural units |
WO2003023162A1 (en) * | 2001-09-12 | 2003-03-20 | Michel Palumbo | Structural element, in particular for the building industry |
US20040219357A1 (en) * | 2003-03-17 | 2004-11-04 | Dirk Van Dijk | Reinforced profile |
DE202004018766U1 (de) * | 2004-12-04 | 2005-03-31 | Seele Gmbh & Co Kg | Glasträger |
DE102005002302A1 (de) * | 2005-01-17 | 2006-07-27 | Thyssenkrupp Steel Ag | Profilelement und Verwendungen eines solchen Profilelements |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011006901A (ja) * | 2009-06-25 | 2011-01-13 | Across Corp | 複合材梁の接合構造 |
Also Published As
Publication number | Publication date |
---|---|
RU2009127499A (ru) | 2011-01-27 |
AU2007334810A1 (en) | 2008-06-26 |
US20100018143A1 (en) | 2010-01-28 |
MX2009006568A (es) | 2009-10-26 |
JP2010513755A (ja) | 2010-04-30 |
BRPI0721071A2 (pt) | 2014-02-04 |
TW200833915A (en) | 2008-08-16 |
KR20090092282A (ko) | 2009-08-31 |
CA2671937A1 (en) | 2008-06-26 |
EP2102428A1 (de) | 2009-09-23 |
DE102007001651A1 (de) | 2008-06-19 |
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