EP0994223B1 - Fabric suitable to the application as reinforcement of building works - Google Patents
Fabric suitable to the application as reinforcement of building works Download PDFInfo
- Publication number
- EP0994223B1 EP0994223B1 EP99119833A EP99119833A EP0994223B1 EP 0994223 B1 EP0994223 B1 EP 0994223B1 EP 99119833 A EP99119833 A EP 99119833A EP 99119833 A EP99119833 A EP 99119833A EP 0994223 B1 EP0994223 B1 EP 0994223B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fabric
- threads
- fibers
- warp
- tex
- 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
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
Definitions
- Patent EP 9628117 B of 20.01.1993 claims the reinforcement of columns by coating with resin impregnated fabrics, such fabrics being characterized in that the warp is perpendicular to the column axis and the weft is parallel to the column axis. Otherwise the reinforcement fibers may be with angles ranging from 20° and 70° with respect to the column axis and -20° and -70° with respect to the direction perpendicular to the column axis.
- thermotreated fabric suitable to the application as reinforcement of building works allowing to overcome the drawbacks of the prior art and to give high characteristics of mechanical resistance to the building work.
- thermoadhesive polymers used to coat the glass thread (21) belong to the class of the polyolefinic, polyvinylic, polyamidic, polyester and polyurethanic polymers and copolymers well known in the art of the thermoadhesive polymers (Hot melts) and they are characterized by a melting temperature ranging from 40 to 250 °C and preferably from 80 to 200 °C.
- the fabric of Figure 1 may be coupled to a series of threads of high modulus fibers, arranged on a face of the fabric of Figure 1 parallelly to the warp (11) and thermofixed on such surface by the heat-sealable weft thread (12).
- the face A exerts a high reinforcement effect.
- the infrared ray heating system is set to a temperature such that with a fabric passing velocity of 6 meters/minute one obtains the melting of the thermoplastic (Hot-Melt) polymer coating the weft thread.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Woven Fabrics (AREA)
- Reinforced Plastic Materials (AREA)
- Glass Compositions (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polyamides (AREA)
Abstract
Description
Claims (16)
- Thermotreated fabric suitable to the application as reinforcement of building works, wherein the warp consists of threads (11) of high modulus fibers, having an elastic modulus in tensile stress greater than 10 GPa (Giga Pascal) and a tensile strength greater than 600 MPa (Mega Pascal), and characterized in that the weft consists of glass threads (12) coated with a thermoadhesive polymeric material (22) having a melting temperature-from 40 to 250 °C, the amount of said thermoadhesive polymeric material being from 10 to 300% with respect to the weight of the glass.
- Fabric as claimed in claim 1, reinforced by thermofixing on one of its faces reinforcement threads (31) of high modulus fibers, having an elastic modulus in tensile stress greater than 10 GPa and a tensile strength greater than 600 MPa said reinforcement threads being arranged parallel with respect to the warp.
- Fabric as claimed in claim 1, characterized in that said warp consists of an amount of threads ranging from 1 thread/cm to 12 threads/cm.
- Fabric as claimed in claim 1, characterized in that said warp consists of an amount of threads ranging from 2 threads/cm to 8 threads/cm.
- Fabric as claimed in claim 1, characterized in that said warp threads have a title expressed in Tex (weight in g per 1,000 m of thread) ranging from 20 Tex to 10,000 Tex.
- Fabric as claimed in claim 1, characterized in that said warp threads have a title expressed in Tex ranging from 40 Tex to 1,000 Tex.
- Fabric as claimed in claims from 1 to 6, wherein the warp threads may be of a material different from one another.
- Fabric as claimed in claim 1, characterized in that said weft threads consist of a glass thread having a title ranging from 20 to 100 Tex.
- Fabric as claimed in claim 1, characterized in that said weft threads may combine with different dispositions with the warp threads.
- Fabric as claimed in claim 1, characterized in that said high modulus fibers are selected from the group consisting of rayon fibers, high toughness polyester fibers, polyvinyl alcohol fibers, polyethylene fibers, aramidic fibers, carbon fibers, glass fibers and fibers from liquid crystal polymers.
- Fabric as claimed in claim 1, characterized in that said thermoadhesive polymer is selected from the group consisting of polyolefinic, polyvinylic, polyamidic, polyester and polyurethanic polymers and copolymers.
- Process for the application of the fabric as claimed in claims 1 to 11 on the surface (41) of building structures by impregnation resins, characterized in that to said surface are subsequently applied a layer (42) of impregnation resin, the reinforced fabric (45) according to claim 2, a second layer (47) of impregnation resin, the fabric (46) according to any of claims 1 to 11 and a third layer of impregnation resin (48).
- Process as claimed in claim 12, characterized in that such fabric may show any kind of disposition of the weft with respect to the warp.
- Process as claimed in claim 12, characterized in that to said surface are subsequently applied a layer of impregnation resin, a layer of fabric and a second layer of resin.
- Process as claimed in claim 12, characterized in that said reinforced fabric is applied with the face containing the reinforcement threads facing the surface of the building structure.
- Use of the fabric as claimed in claims from 1 to 11 in the preparation of composite materials.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI982195 | 1998-10-13 | ||
IT1998MI002195A IT1302656B1 (en) | 1998-10-13 | 1998-10-13 | FABRIC SUITABLE FOR APPLICATION AS REINFORCEMENT OF BUILDING WORKS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0994223A1 EP0994223A1 (en) | 2000-04-19 |
EP0994223B1 true EP0994223B1 (en) | 2005-12-07 |
Family
ID=11380859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99119833A Expired - Lifetime EP0994223B1 (en) | 1998-10-13 | 1999-10-07 | Fabric suitable to the application as reinforcement of building works |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0994223B1 (en) |
AT (1) | ATE312252T1 (en) |
DE (1) | DE69928741T2 (en) |
IT (1) | IT1302656B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112016003442T5 (en) | 2015-07-30 | 2018-05-09 | Parexgroup S.A. | Composite system and methods of consolidation, in particular of reinforced concrete or masonry structures, hardenable or hardened matrix and textile reinforcing mesh forming this system |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6706380B2 (en) | 2000-01-13 | 2004-03-16 | Dow Global Technologies Inc. | Small cross-section composites of longitudinally oriented fibers and a thermoplastic resin as concrete reinforcement |
EP1250499A1 (en) * | 2000-01-13 | 2002-10-23 | The Dow Chemical Company | Reinforcing bars for concrete structures |
FR2865490B1 (en) * | 2004-01-23 | 2006-04-28 | Lefevre Sa M | METHOD AND DEVICE FOR STRENGTHENING STRUCTURE. |
ITMI20052144A1 (en) * | 2005-11-10 | 2007-05-11 | Ardea Progetti E Sistemi S R L | METHOD FOR REINFORCEMENT OF STONE MATERIALS AND REINFORCED SLAB |
DE102006047460A1 (en) * | 2006-10-07 | 2008-04-10 | Andreas Kufferath Gmbh & Co. Kg | Reinforcing device for use with components made of castable, hardening materials, such as concrete materials, and components produced therewith |
DE102008026615A1 (en) * | 2008-05-30 | 2009-12-03 | Sächsisches Textilforschungsinstitut e.V. | Hybrid textile reinforcement structure for e.g. brickwork structures of building in earthquake-endangered areas, has lattice-like textile structure including high-strength reinforcement elements and high ductility elements |
KR101638505B1 (en) * | 2010-12-24 | 2016-07-12 | 주식회사 효성 | Method for preparing the textile for construction structure comprising cellulose fibers |
CN102704821B (en) * | 2012-06-15 | 2016-02-24 | 浙江三星特种纺织有限公司 | A kind of safety grid |
JP2016216942A (en) * | 2015-05-15 | 2016-12-22 | 株式会社ケー・エフ・シー | Reinforcement sheet and reinforcement structure for concrete structure |
ITUB20159790A1 (en) * | 2015-12-30 | 2017-06-30 | C Six S R L | PROCEDURE AND REINFORCEMENT DEVICE OF REINFORCED CONCRETE OR STEEL STRUCTURES AND SIMILAR, PARTICULARLY OF THE IMMERSED TYPE IN WATER. |
DE102016216771A1 (en) | 2016-09-05 | 2018-03-08 | Max Aicher Gmbh & Co. Kg | Multi-layer wall for a building |
CN109296207B (en) * | 2018-08-31 | 2021-03-05 | 广东博智林机器人有限公司 | Automatic reinforcing mesh bundling device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH365517A (en) | 1960-08-11 | 1962-11-15 | Berthier Georges | Method of reinforcing a building element made of stony material |
US5308430A (en) | 1990-01-30 | 1994-05-03 | Makoto Saito | Reinforcing fiber sheet, method of manufacturing the same, and the method of reinforcing structure with the reinforcing fiber sheet |
US5218810A (en) * | 1992-02-25 | 1993-06-15 | Hexcel Corporation | Fabric reinforced concrete columns |
EP0598591A3 (en) | 1992-11-17 | 1994-08-10 | Tonen Corp | Fibre-reinforced sheet for reinforcement. |
JP2944024B2 (en) | 1994-12-02 | 1999-08-30 | ショーボンド建設株式会社 | Reinforcement method for reinforced concrete structures |
KR100367039B1 (en) * | 1995-11-01 | 2003-03-10 | 미쯔비시 레이온 가부시끼가이샤 | Repair method of existing structures and anisotropic fabrics used here |
-
1998
- 1998-10-13 IT IT1998MI002195A patent/IT1302656B1/en active IP Right Grant
-
1999
- 1999-10-07 DE DE69928741T patent/DE69928741T2/en not_active Expired - Lifetime
- 1999-10-07 AT AT99119833T patent/ATE312252T1/en active
- 1999-10-07 EP EP99119833A patent/EP0994223B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112016003442T5 (en) | 2015-07-30 | 2018-05-09 | Parexgroup S.A. | Composite system and methods of consolidation, in particular of reinforced concrete or masonry structures, hardenable or hardened matrix and textile reinforcing mesh forming this system |
Also Published As
Publication number | Publication date |
---|---|
EP0994223A1 (en) | 2000-04-19 |
DE69928741D1 (en) | 2006-01-12 |
IT1302656B1 (en) | 2000-09-29 |
ATE312252T1 (en) | 2005-12-15 |
DE69928741T2 (en) | 2006-08-10 |
ITMI982195A1 (en) | 2000-04-13 |
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