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公开(公告)号:CA2332637C
公开(公告)日:2013-07-23
申请号:CA2332637
申请日:1999-05-12
Applicant: BOUYGUES SA , LAFARGE SA , RHODIA CHIMIE SA
Inventor: CHEYREZY MARCEL , DUGAT JEROME , BOIVIN SANDRA , ORANGE GILLES , FROUIN LAURENT
IPC: C04B28/02 , C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B18/14 , C04B20/10 , C04B40/00 , C04B40/02 , C04B111/20
Abstract: L'invention concerne un béton comportant des fibres organiques dispersées dans la matrice cimentaire. En combinant une matrice cimentaire de caractéristiques déterminées et des fibres organiques également de caractéristiques déterminées, notamment la grosseur des particules, la longueur et le diamètre des fibres, par un effet de synergie entre la matrice et les fibres organiques, on améliore le comportement du béton à la fois vis-à-vis de l'apparition de microfissures et de la propagation de macrofissures. La figure est un graphique obtenu par des essais de flexion quatre points respectivement pour des bétons de fibres métalliques et des bétons de fibres organiques.
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公开(公告)号:ES2205811T5
公开(公告)日:2010-12-27
申请号:ES99918063
申请日:1999-05-12
Applicant: BOUYGUES SA , LAFARGE SA
Inventor: FROUIN LAURENT , DUGAT JEROME , CHEYREZY MARCEL , BOIVIN SANDRA , ORANGE GILLES
IPC: C04B28/02 , C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B18/14 , C04B20/10 , C04B40/00 , C04B40/02 , C04B111/20
Abstract: Hormigón que comprende una matriz de cemento endurecida en la cual están dispersadas fibras orgánicas, que se obtiene al mezclar con agua una composición que contiene además de las fibras: (a) cemento, (b) elementos granulares, (c) elementos finos con reacción puzolánica, (d) por lo menos un agente dispersante y caracterizado porque: (1) los elementos granulares (b) tienen un tamaño de grano máximo D de 2 mm como máximo, preferentemente 1 mm como máximo, (2) los elementos finos con reacción puzolánica (c) tienen un tamaño de partícula elemental de 20 m como máximo, preferentemente 1 m como máximo, y porque: (3) el porcentaje en peso del agua con respecto al peso acumulado de cemento (a) y los elementos finos de reacción puzolánica (c) está comprendido entre 8% y 25%, (4) las fibras orgánicas tienen una longitud individual l de por lo menos 2 mm y una relación I/ de por lo menos 20, siendo el diámetro de las fibras, (5) la cantidad de fibras es tal que su volumen representa 8% como máximo del volumen del hormigón después de fraguar, (6) la relación R entre la longitud de las fibras promedio L y el tamaño de grano máximo D de los elementos granulares es de por lo menos 5.
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公开(公告)号:FR2771406A1
公开(公告)日:1999-05-28
申请号:FR9714928
申请日:1997-11-27
Applicant: BOUYGUES SA
Inventor: CHEYREZY MARCEL HUBERT , DUGAT JEROME , CLAVAUD BERNARD , ORANGE GILLES , FROUIN LAURENT
Abstract: Concrete consists of a strong cement matrix in which metallic fibers are dispersed. The concrete is obtained by mixing with water a composition comprising: (a) cement; (b) granular components with maximum grain size (D) no more than 2 mm, preferably no more than 1 mm; (c) 'slag' type fillers with particle size no more than 1 microns , preferably no more than 0.5 microns ; (d) components capable of improving the tenacity of the matrix selected from those with average size of no more than 1 mm; and (e) at least one dispersing agent. The concrete meets the following conditions: (f) ratio of water (E) to components (a) and (c) = 8-24 wt.%; (g) fibers have individual lengths (l) of at least 2 mm and l/d ratio (d = diameter) of at least 20; (h) ratio (R) of average fiber length to maximum grain size of granular components = at least 10; and (i) volume of fibers is preferably less than 3.5% volume of concrete. An Independent claim is also included for a pre-mixture for making the concrete.
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4.
公开(公告)号:CZ302725B6
公开(公告)日:2011-09-29
申请号:CZ20004200
申请日:1999-05-12
Applicant: BOUYGUES SA , LAFARGE SA , RHODIA CHIMIE SA
Inventor: CHEYREZY MARCEL , DUGAT JUR ME , BOIVIN SANDRA , ORANGE GILLES , FROIN LAURENT
IPC: C04B28/02 , C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B20/10 , C04B40/02 , C04B111/20
Abstract: Beton, obsahující vytvrzenou cementovou matrici, ve které jsou rozptýlena organická vlákna, je získán smísením vody a kompozice, obsahující krome organických vláken (a) cement, (b) zrnité složky, (c) jemné složky pucolánového typu, (d) alespon jedno disperzní cinidlo. Zrnité složky (b) jsou prítomny v pomeru od 30 do 60 % hmotnostních cementové matrice a mají velikost D cástic nejvýše 2 mm. Jemné složky (c) pucolánového typu mají velikost cástic nejvýše 20 .mi.m. Organickými vlákny jsou polyvinylalkoholová vlákna, polyakrylonitrilová vlákna, polyetylénová vlákna, vlákna z polyetylénu o vysoké hustote, polyamidová nebo polyimidová vlákna, polypropylénová vlákna homopolymerní nebo kopolymerní, nebo smesi techto vláken, pricemž vlákna mají individuální délku 1 alespon 2 mm a pomer 1/.FI. alespon 20, kde .FI. je prumer vlákna. Množství vláken je takové, že jejich objem predstavuje od 1 % do 8 % objemu betonu po jeho vytvrdnutí.
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公开(公告)号:DK1080049T3
公开(公告)日:2004-01-19
申请号:DK99918063
申请日:1999-05-12
Applicant: BOUYGUES SA , LAFARGE SA , RHODIA CHIMIE SA
Inventor: CHEYREZY MARCEL , DUGAT JEROME , BOIVIN SANDRA , ORANGE GILLES , FROUIN LAURENT
IPC: C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B20/10 , C04B28/02 , C04B40/02 , C04B111/20 , C04B40/00
Abstract: A concrete includes organic fibers, dispersed in a cement matrix. The cement matrix includes elements having predetermined particle sizes. The organic fibers have predetermined lengths and diameters. The behavior of the concrete is improved both with respect to the occurrence of minute cracks and the propagation of large cracks as a result of a synergistic effect between the cement matrix and the organic fibers.
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公开(公告)号:AT249399T
公开(公告)日:2003-09-15
申请号:AT99918063
申请日:1999-05-12
Applicant: BOUYGUES SA , LAFARGE SA , RHODIA CHIMIE SA
Inventor: CHEYREZY MARCEL , DUGAT JEROME , BOIVIN SANDRA , ORANGE GILLES , FROUIN LAURENT
IPC: C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B20/10 , C04B28/02 , C04B40/02 , C04B111/20 , C04B40/00
Abstract: A concrete includes organic fibers, dispersed in a cement matrix. The cement matrix includes elements having predetermined particle sizes. The organic fibers have predetermined lengths and diameters. The behavior of the concrete is improved both with respect to the occurrence of minute cracks and the propagation of large cracks as a result of a synergistic effect between the cement matrix and the organic fibers.
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7.
公开(公告)号:HK1037172A1
公开(公告)日:2002-02-01
申请号:HK01108039
申请日:2001-11-15
Applicant: BOUYGUES SA , LAFARGE SA , RHODIA CHIMIE SA
Inventor: CHEYREZY MARCEL , DUGAT JEROME , BOIVIN SANDRA , ORANGE GILLES , FROUIN LAURENT
IPC: C04B20060101 , C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B20/10 , C04B28/02 , C04B40/02 , C04B111/20
Abstract: A concrete includes organic fibers, dispersed in a cement matrix. The cement matrix includes elements having predetermined particle sizes. The organic fibers have predetermined lengths and diameters. The behavior of the concrete is improved both with respect to the occurrence of minute cracks and the propagation of large cracks as a result of a synergistic effect between the cement matrix and the organic fibers.
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公开(公告)号:FR2778654B1
公开(公告)日:2000-11-17
申请号:FR9806092
申请日:1998-05-14
Applicant: BOUYGUES SA
Inventor: CHEYREZY MARCEL HUBERT , DUGAT JEROME , BOIVIN SANDRA , ORANGE GILLES , FROUIN LAURENT
IPC: C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B20/10 , C04B28/02 , C04B40/02 , C04B111/20 , C04B28/00 , C04B41/00
Abstract: A concrete includes organic fibers, dispersed in a cement matrix. The cement matrix includes elements having predetermined particle sizes. The organic fibers have predetermined lengths and diameters. The behavior of the concrete is improved both with respect to the occurrence of minute cracks and the propagation of large cracks as a result of a synergistic effect between the cement matrix and the organic fibers.
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9.
公开(公告)号:AU3611899A
公开(公告)日:1999-11-29
申请号:AU3611899
申请日:1999-05-12
Applicant: BOUYGUES SA , LAFARGE SA , RHODIA CHIMIE SA
Inventor: CHEYREZY MARCEL , DUGAT JEROME , BOIVIN SANDRA , ORANGE GILLES , FROUIN LAURENT
IPC: C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B20/10 , C04B28/02 , C04B40/02 , C04B111/20 , C04B40/00
Abstract: A concrete includes organic fibers, dispersed in a cement matrix. The cement matrix includes elements having predetermined particle sizes. The organic fibers have predetermined lengths and diameters. The behavior of the concrete is improved both with respect to the occurrence of minute cracks and the propagation of large cracks as a result of a synergistic effect between the cement matrix and the organic fibers.
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公开(公告)号:FR2778654A1
公开(公告)日:1999-11-19
申请号:FR9806092
申请日:1998-05-14
Applicant: BOUYGUES SA
Inventor: CHEYREZY MARCEL HUBERT , DUGAT JEROME , BOIVIN SANDRA , ORANGE GILLES , FROUIN LAURENT
IPC: C04B14/06 , C04B14/20 , C04B14/38 , C04B16/06 , C04B18/08 , C04B20/10 , C04B28/02 , C04B40/02 , C04B111/20 , C04B28/00 , C04B41/00
Abstract: Concrete comprises organic fibers dispersed in a hardened cement matrix. Concrete comprising organic fibers dispersed in a hardened cement matrix is obtained by mixing with water composition comprising fibers and: (a) cement; (b) granular components with maximum size, D, of no more than 2 mm, preferably no more than 1 mm; (c) fine components from ash with size no greater than 20 microns preferably no greater than 1 microns ; and (d) at least one dispersing agent; said composition meeting the following conditions: (e) wt. % water with respect to total weight of (a) and (c) = 8-25; (f) organic fibers have individual length, l , of at least 2 mm and ratio l\/ phi ( phi = diameter) at least = 20; (g) ratio, R, of mean length of fibers to D at least = 5; and (h) quantity of fibers is such that their volume represents no more than 8% total volume of concrete. An Independent claim is also included for pre-mixture for preparing cement matrix for making said concrete.
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