FR2627770A1 - HEAVY CONCRETE - Google Patents
HEAVY CONCRETE Download PDFInfo
- Publication number
- FR2627770A1 FR2627770A1 FR8802670A FR8802670A FR2627770A1 FR 2627770 A1 FR2627770 A1 FR 2627770A1 FR 8802670 A FR8802670 A FR 8802670A FR 8802670 A FR8802670 A FR 8802670A FR 2627770 A1 FR2627770 A1 FR 2627770A1
- Authority
- FR
- France
- Prior art keywords
- cement
- density
- shot
- water
- concrete according
- 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.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 21
- 239000004568 cement Substances 0.000 claims abstract description 21
- 239000011230 binding agent Substances 0.000 claims abstract description 10
- 229910052595 hematite Inorganic materials 0.000 claims abstract description 9
- 239000011019 hematite Substances 0.000 claims abstract description 9
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 239000002923 metal particle Substances 0.000 claims description 2
- -1 2 at 6% Substances 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0081—Embedding aggregates to obtain particular properties
- B28B23/0093—Heavy aggregates or scrap material for making heavy articles
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/0031—Heavy materials, e.g. concrete used as ballast material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
L'invention concerne l'obtention de bétons de masse volumique élevée, en vue, notamment, de leur utilisation comme lest, contrepoids ou masses d'équilibrage. Ces bétons se caractérisent par le mélange de grenaille métallique, d'hématite, de ciment, d'un liant plastique réducteur d'eau et d'un accélérateur de prise dans des proportions permettant d'obtenir une masse volumique précise, comprise entre 3200kg/m**3 et 6300 kg/m**3. Application : masses d'équilibrage.The invention relates to the production of concretes of high density, with a view, in particular, to their use as ballast, counterweight or balancing masses. These concretes are characterized by the mixture of metal shot, hematite, cement, a water-reducing plastic binder and a setting accelerator in proportions allowing to obtain a precise density, between 3200 kg / m ** 3 and 6300 kg / m ** 3. Application: balancing masses.
Description
L'invention concerne un procédé d'obtention de bétons Lourds destinésThe invention relates to a process for obtaining heavy concretes for
notamment à la fabrication de Lest, especially in the manufacture of Lest,
de contrepoids ou de masses d'équilibrage. counterweight or balance weights.
IL est connu d'incorporer au béton des particules d'une matière de masse volumique éLevée telles que de la grenaille ou des riblons de fer ou de fonte, ou encore des ferrosilicium à haute teneur en fer, It is known to incorporate in the concrete particles of a high density material such as shot or scrap iron or cast iron, or ferrosilicon high iron content,
en vue d'en augmenter la masse volumique. in order to increase the density.
De tels procédés sont décrits dans les brevets français: - FR-A- 1.361. 966, ayant pour objet un procédé pour la fabrication de bLocs de béton chargé de fer servant commes lest, contrepoids et analogues et les produits obtenus par ce procédé, qui se caractérise principalement en ce que, lors de la préparation du béton, une certaine proportion de gravier est remplacée par de La LimaiLLe de fer, de fonte, d'acier et/ou d'autres métaux de poids spécifique éLevé; Le méLange obtenu étant ensuite coulé dans des moules de forme appropriée, puis démouLé après solidification, FR-A- 2.529.873 concernant l'utilisation du ferrosilicium à haute teneur en fer pour l'élaboration de bétons très denses et de lests utilisables en particulier en mer. La masse volumique des bétons ainsi obtenus, pouvant être ajustée suivant la quantité de ferrosilicium incorporé, et dans Le brevet anglais: - GB-A- 2.020.294 ayant pour objet des lests pour quilles de bateaux, constitués de particules métalliques incorporées à un liant assurant la solidification, tel que du ciment, du bitume ou Such processes are described in French patents: FR-A-1,361. 966, relating to a process for the manufacture of iron-laden concrete blocks as ballast, counterweights and the like and products obtained by this process, which is characterized in that, in the preparation of the concrete, a certain proportion gravel is replaced by iron, cast iron, steel and / or other metals of high specific gravity; The mixture obtained is then poured into molds of appropriate shape, then demoulded after solidification, FR-A-2,529,873 concerning the use of ferrosilicon with a high iron content for the production of very dense concretes and usable weights in particular. at sea. The density of the concretes thus obtained, which can be adjusted according to the amount of ferrosilicon incorporated, and in the British patent: - GB-A-2,020,294 which relates to ballast for boats, made of embedded metal particles a solidifying binder, such as cement, bitumen or
de la résine.of the resin.
Il est difficile, en utilisant les procédés rappelés ci-dessus, d'obtenir un produit de masse volumique suffisamment précise et suffisamment élevée offrant des caractéristiques mécaniques appropriées, un temps de prise compatible avec une fabrication en série et ayant une résistance suffisante à la corrosion inter-granulaire. Par ailleurs, l'utilisation de ferrosilicium silaso, telle que décrite dans la demande de brevet français FRA-2.529.873 impose des contraintes It is difficult, by using the methods described above, to obtain a sufficiently precise and sufficiently high density product having suitable mechanical characteristics, a set time compatible with mass production and having sufficient corrosion resistance. intergranular. Furthermore, the use of silaso ferrosilicon, as described in the French patent application FRA-2,529,873 imposes constraints.
d'approvisionnement certaines.some supply.
La présente invention a pour but de remédier à ces inconvénients. Cette invention, telle qu'elle se caractérise, résout le problème consistant à définir un procédé permettant d'obtenir des bétons de densité déterminée, à séchage rapide, offrant une bonne résistance à la corrosion, malgré l'utilisation The present invention aims to overcome these disadvantages. This invention, as it is characterized, solves the problem of defining a method for obtaining concrete of specific density, fast drying, with good corrosion resistance, despite the use
de particules ferreuses, et une bonne cohésion. ferrous particles, and good cohesion.
Ce béton se caractérise.principalement en ce qu'il est constitué de grenaille métallique, d'hématite, de ciment, d'un liant plastique réducteur d'eau This concrete is characterized mainly by being made of metallic shot, hematite, cement, a water-reducing plastic binder.
et d'un accélérateur de prise.and a setting accelerator.
La grenaille est obtenue à partir d'acier ou de The shot is obtained from steel or
fonte, selon une granulométrie de 1 à 6mm. cast iron, with a particle size of 1 to 6 mm.
L'hématite utilisée est de l'hématite USC 161. The hematite used is hematite USC 161.
Le ciment utilisé est du ciment CPA 55. The cement used is CPA 55 cement.
L'accélérateur de prise est exempt de chlore et The setting accelerator is free of chlorine and
de produits corrosifs.corrosive products.
Une masse volumique de 4500kg/m3 peut être obtenue par le mélange de: 2 950 kg de grenaille, A density of 4500kg / m3 can be obtained by mixing: 2 950 kg of shot,
10. 1 100 kg d'hématite,-10. 1 100 kg of hematite, -
350 kg de ciment, -. 160 kg d'eau, * liant plastique réducteur d'eau, * 2 à 6% d'accélérateur de prise, par rapport à 350 kg of cement, -. 160 kg of water, * plastic reducing water binder, * 2 to 6% setting accelerator, compared to
la masse de ciment.the mass of cement.
Une masse volumique de 5400 kg/m3 peut être obtenue par te mélange de: 20. 4 900 kg de grenaille, 350 kg. de ciment, kg d'eau, liant plastique réducteur d'eau, 2 à 6% d'accélérateur de prise, par rapport à A density of 5400 kg / m3 can be obtained by mixing: 20. 4 900 kg of shot, 350 kg. of cement, kg of water, plastic reducing binder of water, 2 to 6% of setting accelerator, compared to
la masse de ciment.the mass of cement.
Une masse volumique de 6300 kg/m3 peut être obtenue par le mélange de: 30. 5 800 kg de grenaille, 350 kg de ciment, kg d'eau, * liant plastique réducteur d'eau, * 2 à 6% d'accélérateur de prise, par rapport à A density of 6300 kg / m3 can be obtained by mixing: 30. 5 800 kg of shot, 350 kg of cement, kg of water, * plastic reducing binder of water, * 2 to 6% of accelerator taken, compared to
la masse de ciment.the mass of cement.
Les avantages obtenus, grâce à cette invention, consistent essentiellement en ceci que le ciment, ainsi obtenu, offre des caractéristiques mécaniques et une résistance à la corrosion compatible avec son utilisation comme masse d'équilibrage ou comme The advantages obtained by virtue of this invention consist essentially in the fact that the cement thus obtained has mechanical characteristics and a corrosion resistance compatible with its use as balancing mass or as
lest dans des conditions particulièrement sévères. ballast under particularly severe conditions.
L'incorporation d'accélérateur de prise dans des proportions de 2 à 6%, selon la température extérieure, permet de réduire le temps d'étuvage et la durée de prise, tout en assurant une protection The incorporation of a setting accelerator in proportions of 2 to 6%, depending on the outside temperature, makes it possible to reduce the baking time and the setting time, while providing protection
contre le gel jusqu'à -5 C.against freezing up to -5 C.
Le mélange est effectué de façon à obtenir une composition aussi homogène que possible, afin d'éviter la formation de couches séparatrices susceptibles The mixing is carried out so as to obtain as homogeneous a composition as possible, in order to avoid the formation of separating layers which
de réduire la résistance mécanique du produit final. to reduce the mechanical strength of the final product.
Il est recommandé d'utiliser un vibrateur lors de la coulée du mélange, afin d'obtenir une bonne pénétration inter-granulaire des éléments liquide It is recommended to use a vibrator during the casting of the mixture, in order to obtain a good intergranular penetration of the liquid elements.
et une élimination des bulles d'air. and removal of air bubbles.
Il est ainsi possible de faire varier la masse volumique, de façon suffisamment précise, entre la masse volumique normale du mortier et une masse volumique de 6300 kg/m3 voire davantage, tout en conservant au béton, ainsi obtenu, des caractéristiques mécaniques suffisantes pour les utilisations courantes; en particulier pour la fabrication de masse d'équilibrage de machine, It is thus possible to vary the density, in a sufficiently precise manner, between the normal density of the mortar and a density of 6300 kg / m3 or more, while preserving the concrete, thus obtained, with sufficient mechanical characteristics for the concrete. common uses; in particular for the manufacture of balancing machine mass,
notamment de machine à Laver.including washing machine.
Claims (8)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8802670A FR2627770B1 (en) | 1988-02-29 | 1988-02-29 | HEAVY CONCRETE |
| DE3906061A DE3906061A1 (en) | 1988-02-29 | 1989-02-27 | Concrete having high density, process for its production and its use |
| IT8919565A IT1228895B (en) | 1988-02-29 | 1989-02-27 | HEAVY CONCRETE. |
| ES8900724A ES2010141A6 (en) | 1988-02-29 | 1989-02-28 | Concrete having high density, process for its production and its use |
| BE8900207A BE1005331A0 (en) | 1988-02-29 | 1989-02-28 | HEAVY CONCRETE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8802670A FR2627770B1 (en) | 1988-02-29 | 1988-02-29 | HEAVY CONCRETE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2627770A1 true FR2627770A1 (en) | 1989-09-01 |
| FR2627770B1 FR2627770B1 (en) | 1992-05-07 |
Family
ID=9363856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8802670A Expired - Fee Related FR2627770B1 (en) | 1988-02-29 | 1988-02-29 | HEAVY CONCRETE |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE1005331A0 (en) |
| DE (1) | DE3906061A1 (en) |
| ES (1) | ES2010141A6 (en) |
| FR (1) | FR2627770B1 (en) |
| IT (1) | IT1228895B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2804630A1 (en) * | 2000-02-03 | 2001-08-10 | Sic Lazaro S L | High density concrete counterweight production comprises incorporation of rolling mill scale or blast furnace residues to give improved corrosion resistance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE562926A (en) * | ||||
| US4188231A (en) * | 1977-06-17 | 1980-02-12 | Valore Rudolph C | Methods of preparing iron oxide mortars or cements with admixtures and the resulting products |
| FR2529873A1 (en) * | 1982-07-06 | 1984-01-13 | Herbinger Claude | The use of ferrosilicon with a high iron content for making very dense concretes and ballasts which can be used particularly offshore. |
| JPS59102858A (en) * | 1982-12-01 | 1984-06-14 | 電気化学工業株式会社 | Super high strength cement mortar concrete hardened body |
-
1988
- 1988-02-29 FR FR8802670A patent/FR2627770B1/en not_active Expired - Fee Related
-
1989
- 1989-02-27 DE DE3906061A patent/DE3906061A1/en not_active Ceased
- 1989-02-27 IT IT8919565A patent/IT1228895B/en active
- 1989-02-28 BE BE8900207A patent/BE1005331A0/en not_active IP Right Cessation
- 1989-02-28 ES ES8900724A patent/ES2010141A6/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE562926A (en) * | ||||
| US4188231A (en) * | 1977-06-17 | 1980-02-12 | Valore Rudolph C | Methods of preparing iron oxide mortars or cements with admixtures and the resulting products |
| FR2529873A1 (en) * | 1982-07-06 | 1984-01-13 | Herbinger Claude | The use of ferrosilicon with a high iron content for making very dense concretes and ballasts which can be used particularly offshore. |
| JPS59102858A (en) * | 1982-12-01 | 1984-06-14 | 電気化学工業株式会社 | Super high strength cement mortar concrete hardened body |
Non-Patent Citations (2)
| Title |
|---|
| CHEMICAL ABSTRACTS, vol. 101, no. 20, novembre 1984, page 318, no. 176476c, Columbus, Ohio, US; & JP-A-59 102 858 (DENKI KAGAKU KOGYO K.K.) 14-06-1984 * |
| CHEMICAL ABSTRACTS, vol. 90, 1979, page 311, no. 11348d, Columbus, Ohio, US; B.GARADNAI et al.: "Properties and corrosion resistance of normal-weight and heavy cement slurries with blast-furnace slags" & PR. VYZK. USTAVU. GEOL. INZ. 1978, 35(2A), 125-37 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2804630A1 (en) * | 2000-02-03 | 2001-08-10 | Sic Lazaro S L | High density concrete counterweight production comprises incorporation of rolling mill scale or blast furnace residues to give improved corrosion resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| BE1005331A0 (en) | 1993-06-29 |
| FR2627770B1 (en) | 1992-05-07 |
| DE3906061A1 (en) | 1989-09-28 |
| IT1228895B (en) | 1991-07-09 |
| ES2010141A6 (en) | 1989-10-16 |
| IT8919565A0 (en) | 1989-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |