WO2014086971A1 - Matériau de construction contenant des fibres de bambou et procédé pour la fabrication dudit matériau - Google Patents

Matériau de construction contenant des fibres de bambou et procédé pour la fabrication dudit matériau Download PDF

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Publication number
WO2014086971A1
WO2014086971A1 PCT/EP2013/075795 EP2013075795W WO2014086971A1 WO 2014086971 A1 WO2014086971 A1 WO 2014086971A1 EP 2013075795 W EP2013075795 W EP 2013075795W WO 2014086971 A1 WO2014086971 A1 WO 2014086971A1
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WO
WIPO (PCT)
Prior art keywords
fiber
bamboo
fibers
equal
mineral
Prior art date
Application number
PCT/EP2013/075795
Other languages
German (de)
English (en)
Inventor
Lothar Rauer
Gisela SCHROTH
Christoph Grieger
Original Assignee
Lothar Rauer
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lothar Rauer filed Critical Lothar Rauer
Publication of WO2014086971A1 publication Critical patent/WO2014086971A1/fr

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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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/12—Multiple coating or impregnating
    • 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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10—Coating or impregnating
    • C04B20/1018—Coating or impregnating with organic materials
    • C04B20/1029—Macromolecular compounds
    • C04B20/1037—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
    • 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
    • C04B2111/0037—Materials containing oriented fillers or elements
    • C04B2111/00379—Materials containing oriented fillers or elements the oriented elements being fibres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the invention relates to a building material and a method for producing a building material.
  • document EP 1 151 972 A1 describes, for example, a process for the preparation of reaction resins and fiberized mineral mixtures, in particular concrete mixtures, wherein intended fillers, such as bamboo fibers, are particularly designed to have a property-improving effect in the mineral or concrete mixture.
  • the present invention relates to a building material, comprising a mineral portion, in particular cement portion, and a fiber portion, wherein the fibers of the fiber portion comprise bamboo fibers, wherein the bamboo fibers at least partially, in particular completely, a fiber length 1 ⁇ ⁇ 5 ⁇ in a range of greater than or equal to 25 mm less than or equal to 60 mm and a slenderness degree ⁇ in a range of less than or equal to 100, for example less than or equal to 90, in particular less than or equal to 75, have.
  • the bamboo construction use especially after a special mechanical treatment with predominant decomposition into fibrous particles with adjustable high degree of slimming ⁇ at ⁇ ⁇ 100 without or with subsequent process stages to improve the adhesion forces in the respective used mineral matrix such that the use of the particles and their disordered or ordered installation conditions for the transfer of tensile and / or bending loads, for hindering the formation of local cracks and to improve the impact or impact behavior including the energy dissipation and vibration propagation can be achieved.
  • bamboo particles are referred to below as a generic term, wherein the bamboo particles may have specially shaped or configured bamboo fibers.
  • the invention thus relates to the technical field of the construction material use of bamboo occurring in a large variety of species to him after a mechanical treatment in particular comprising a decomposition into predominantly uniform fibrous particles with adjustable high degree of slimming ⁇ at ⁇ ⁇ 100 without or with adjoining Process steps to improve the adhesion forces in the mineral matrix used in each case disorderly or orderly incorporated in this and thus conditions both for the transmission of tensile and / or bending loads, for hindering the formation of local cracks and to improve the shock or impact behavior Finally, the energy dissipation and vibration propagation to get.
  • the solution according to the invention provides that the bamboo processed into fibers and / or fiber bundles, depending on the application with variable fiber bundle length and fiber bundle distribution and variable fiber or fiber bundle fractions, is either added to the respective matrix system during its production from various components it is further processed together and then comes in the form of a fiber-reinforced matrix as to be treated with traditional building technologies mounting mass on the site or in special prefabricated components for use.
  • This can be realized in a targeted manner, for example, as a bed of loose fibers or in the form of prefabricated bamboo fiber nerves, as a two-dimensional thin sheet with random fiber and / or ordered structures, as network structures of different surface density or disordered.
  • the bamboo fibers may be incorporated in the matrix or added during incorporation of the mineral mixture.
  • the high-strength especially coarse-fiber bamboo fiber particles proposed for the transmission of tensile and / or bending loads, for the prevention of the formation of local cracks and for the improvement of the impact behavior, including the energy dissipation and vibration propagation, can be used with d fibers > 0.5 mm and lengths in the range 25-30 mm ⁇ 1 ⁇ ⁇ 5 ⁇ ⁇ 50-60 mm are used.
  • the extreme bending and tensile load properties of the bamboo straw with its exemplary fiber cell content ⁇ 50% can also be used in individual bamboo fiber particles / bundles. This may be due to the fact that the bamboo fiber bundles used predominantly have tensile and flexural strength properties comparable to the structural steel, in particular because at least 100-150 individual fiber cells (with 0 ⁇ 15-30 ⁇ , 1 mm 2) correspond to the above geometric criteria l pz ⁇ 3 mm) can be contained in the fiber bundle cross-section to be installed practically and, depending on the length of the fiber bundle, approximately 25-50 individual fiber cells can be strung together.
  • the fiber content of the bamboo fibers in particular depending on the design of the bamboo fibers, in the building material, a proportion in a range of less than or equal to 70%, for example in a range of greater than or equal to 20% to less than or equal to 70%, approximately a range of less than or equal to 50%, with the volume duties being% by volume.
  • the proportion should be selected such that a desired effect, in particular amplification effect, occurs.
  • the bamboo fibers have a reaction resin on their surface, in particular wherein a mineral substance is present on the surface of the reaction resin.
  • reaction resins may be, in particular, those which are insensitive to moisture, ie in particular remain stable even in the presence of moisture.
  • reaction resins can be understood as meaning, in particular, a solid or, in particular, liquid or liquefiable resin which can cure by itself or with reagents, such as a reaction accelerator or a hardener, preferably without elimination of volatile components by polymerization or polyaddition.
  • reagents such as a reaction accelerator or a hardener
  • an epoxy resin can be used.
  • the resin may be further used in a ratio of 1 mass unit of the reaction resin to 3-10 mass units of bamboo particles.
  • fine-grained, mineral substances such as rock flour, finely ground quartz sand, cement, lime and / or power plant filter ash can be dusted to cover the resin surfaces with fine-grained on the reaction resin surfaces to a maximum of 50% of its particle size
  • the ratio of finely divided covering substance to be added to the raw fibers can be ⁇ 1.4-2.0 and the same surface treatment procedure can also be used for bamboo fibers of different thickness and length arranged in a planar manner in nonwovens or fabrics.
  • the present invention further relates to a method for producing a particular cement-containing building material, wherein bamboo fibers after a preceding mechanical treatment, in particular comminution, a mineral constituents comprising matrix, in particular a cementitious matrix, are added, the bamboo fibers at least partially, in particular completely, a fiber length l have a fiber in a range of greater than or equal to 25 mm to less than or equal to 60 mm and have a slenderness degree ⁇ in a range of less than or equal to 100.
  • the bamboo fibers or bamboo particles used these can be added in particular in the form of prefabricated thin unidirectional fiber scrims, as fiber webs, as a loose fiber bed of different thickness or as loose fiber particles of the mineral matrix.
  • the above-described method is particularly suitable for the construction material use of fibers / fiber bundles made of bamboo, the fibers or fiber bundles after a preceding treatment with process stages such as multi-stage comminution with or without hydrothermal and biological pretreatment of the feed, fine crushing and classification and with or without an application-related surface treatment in a matrix consisting entirely or predominantly of mineral constituents to increase the ability to dissipate energy, to increase the resistance to impact and impact stress, to hinder cracking and to transfer tensile and / or bending loads across the edges of cracks
  • the high-strength bamboo particles provided for use as reinforcements for bending, impact and / or tensile forces are arranged in the form of prefabricated thin unidirectional fiber scrims, as fiber webs with and / or without preferred layers of the nonwoven components, as a loose fiber bed of varying thickness with or without alignment of the fiber particles or as loose fiber particles in the mineral matrix ordered or randomly incorporated in the matrix.
  • a hydrothermal pretreatment can be understood as meaning, in particular, a cooking process for dissolving structures in the sense of improved comminution
  • a biological pretreatment of the feed material can be understood as meaning, in particular, the use of enzymes with comparable technological goals.
  • an optionally applicable pretreatment process can be chosen technologically and economically.
  • fiber fractions ⁇ 6% by volume are particularly suitable for geometrical conditions such as fiber > 0.5 mm and 1 fiber ⁇ 60, in particular ⁇ 50 mm, which are> 75 masses.
  • % in the fiber production process can have adjustable length / diameter ratios of, for example, greater than 50 to, for example, less than or equal to 80 or less than 100, and for two-dimensional fabrics and / or mesh fabrics.
  • bamboo fiber contents are to be used in the mineral matrix to be reinforced ⁇ 10% by mass, and that finely divided bamboo particles with length / diameter ratios ⁇ 20-50 and at proportions of 20-70 % by volume and dF aser ⁇ 0.5 mm and he ⁇ 10 mm can be used as fillers and / or process fibers in each of the aforementioned bamboo fiber reinforcement options.
  • the individual fibers or fibers present in flats or fabrics of the bamboo fibers can be pretreated to improve the adhesion between them and the surrounding mineral particles, in particular before the incorporation of a treatment to improve their adhesive properties by the mechanically processed, ie in particular crushed , and subjected to a treatment according to the subsite installation conditions moisture side adjusted fibers surface sealing and to improve the adhesion properties in the mineral matrix.
  • a treatment is in particular a treatment with moisture-insensitive reaction resins, preferably an epoxy resin, in a ratio of 1 mass unit of reaction resin to 3-10 mass units of bamboo particles or bamboo fibers, wherein the bamboo fibers can be sprayed and / or mixed with the reaction resin.
  • the fibers can then be dusted with fine-grained, fine-grained, mineral substances such as rock flour, in particular finely ground quartz sand, cement, lime and / or power plant filter ash, in particular on the reaction resin surfaces to cover at most 50% of their particle size, to cover the resin surfaces the finely divided covering substance to be added to the raw fibers should be ⁇ 1.4-2.0.
  • the same surface treatment procedure can accordingly be used for flat-layed bamboo fibers of varying thickness and length arranged in nonwovens or woven fabrics.
  • in hydraulic-setting mineral matrix systems or cement-containing matrix systems to be reinforced with bamboo fibers.
  • the mineral fraction of the building material a limitation to a largest particle with a diameter of ⁇ 16 mm takes place as well as the adjustment of the flour grain fraction of the mineral fraction with ⁇ ⁇ 0.125 mm to 400 kg / m 3 and the fine grain fraction of flour meal and fine sand with ⁇ ⁇ 0, 25 mm to 450 to 500 kg / m 3 is made.
  • the latter can be realized in a manner known to those skilled in the art by separate weighing and feeding, which can often already run programmatically in concrete mixing plants.
  • bamboo fibers use in self-compacting concrete (SCC) and a higher flour meal and Feinstsandgehalt is possible, and that for concrete venting a sufficient flow path can be ensured. Furthermore, it should be possible for the bamboo fibers to align themselves in the direction of flow when the concrete flows. Regarding alignment, flowable systems such as concrete with energy-efficient added particles of a suitable degree of slimming occupy a position in the system that corresponds to the lowest flow loss so that alignment with sufficient flow can be easily adjustable, with a slenderness factor of less as 100 may already be enough.
  • the bamboo fibers or bamboo fiber bundles with proportions ⁇ 30% by volume are used at dF aser ⁇ 0.5 mm and he ⁇ 10 mm as process fibers, preferably for the production of fiber cement boards.
  • a period of up to 50 hours may be included.
  • Send water storage of bamboo fibers or bamboo fiber bundles can be connected upstream. In this way, an advantageously suitable moisture content can be adjusted, wherein already depending on the desired effect a brief immersion of the bamboo fibers in water can be sufficient.
  • the bamboo fibers or the bamboo fiber bundles in particular by several hours of storage, mixing, spraying or sprinkling in or with a basic, in particular adjusted to pH> 12 alkaline medium, in particular NaOH, as an aqueous solution, or with other chemicals such as water glass or maleic acid.
  • a basic in particular adjusted to pH> 12 alkaline medium, in particular NaOH, as an aqueous solution, or with other chemicals such as water glass or maleic acid.
  • additional drying operations may be performed prior to fiber usage as reinforcing and / or reinforcing material.
  • This embodiment can in particular serve the desired influencing of fiber surface properties and / or the capillary properties of the bamboo fibers or the bamboo fiber bundles.
  • the bamboo fiber production resulting finely divided dry bamboo particles (dpart ⁇ 0.5 mm, t ⁇ 0.5 mm, moisture content ⁇ 12 - 13%) with cement and / or dry mortar in the mass ratio 1 to 2 to 1 to 6 mixed dry and then with the addition of finely divided water in a slowly rotating about its longitudinal axis, eg formed as a drum mixer of known type aggregate to more or less spherical granules with dependent on the application individual diameters of 3-4 mm to 8-10 mm.
  • the small particles or the granules before being used as light granules can be subjected for at least 24 hours to a setting and drying process and a final classification process for the separation of insufficiently granulated fines.
  • finely divided dry fibers obtained in bamboo fiber production can be obtained ⁇ 0.5 mm, lpart ⁇ 0.5 mm, moisture content ⁇ 12 -13%) with longer fine particles Particle fibers (d Part ⁇ 0.5 mm, l Part ⁇ 10 - 12 mm, moisture content ⁇ 12 - 13%) in proportions of 2 to 6 to 1 together thechtgranulather thoroughly abandoned and processed and that the setting, drying and Classification process a surface treatment comprising a treatment with resin and optionally minerals, for example, as explained above in detail, be followed.
  • first particles having a fiber thickness d Part ⁇ 0.5 mm, a fiber length l Part ⁇ 0.5 mm, a moisture content ⁇ 12 -13% with second particles with a fiber thickness d Part ⁇ 0.5 mm
  • one Fiber length l Part ⁇ 10 - 12 mm and a moisture content ⁇ 12 - 13% in an amount ratios of 2 to 6 of the first particles to 1 of the second particles are added together with the bamboo fibers added, in particular wherein a prescribed surface treatment comprising the Application of a reaction resin and mineral substances can be carried out accordingly for the bamboo particles.
  • the method thus relates to the technical field of the construction material use of bamboo to him after a special mechanical treatment with predominant decomposition into fibrous particles with adjustable high degree of slimming ⁇ at ⁇ ⁇ 100 without or with subsequent process steps to improve the To incorporate adhesion forces in the mineral matrix used in each case disorderly or ordered in this and thus to obtain conditions for both the transmission of tensile and / or bending loads, for hindering the formation of local cracks and to improve the impact or impact behavior including energy dissipation and vibration propagation ,
  • the high-strength especially coarse-fiber bamboo fibers proposed for the transmission of tensile and / or bending loads, for the prevention of the formation of local cracks and for the improvement of the impact behavior, including the energy dissipation and vibration propagation, can be used with d fiber > 0.5 mm and lengths in the range 25-30 mm ⁇ l fiber ⁇ 50-60 mm are used.
  • the solution according to the invention provides that the raw bamboo processed into fibers and / or fiber bundles, depending on the application with matched fiber bundle length and fiber bundle thickness distribution and variable fiber or fiber bundle fractions with or without pretreatment of the fiber components for influencing their surface properties of the respective matrix system in shape prefabricated thin unidirectional fiber fabric, as fiber webs with and / or without preferred layers of the nonwoven components, as a loose fiber bed of different thickness with or without alignment of the fiber particles or as loose fiber particles in the mineral matrix are installed.
  • after-treatment steps such as special measures for fiber orientation, surface treatment and / or sealing measures can be classified.
  • Further refinement features of the invention may be special pretreatment stages for the chemical and / or physical treatment of the fibers, for fiber orientation and for influencing fiber surface and other material properties.
  • ß ß z The determination of the bending tensile strength ß ß z was carried out mathematically after carrying out bending tensile tests according to DIN 1048. ß ß z values between 3.6 and 4.2 N / mm were determined. It should be noted that no noteworthy fiber cracks in the fracture zone can be seen from the fracture pattern of the destroyed samples with the bamboo fibers evenly distributed in the concrete. It should be noted that it has been possible with a relatively small amount of fiber (2.5-3.5 kg / m 3 corresponding to 1-2 M.) in the industrial experiment to achieve mechanical properties of the fiber concrete as they with the addition of 25 kg steel fibers / m 3 can be achieved.
  • the only condition for the permanent close-to-surface incorporation of the cement particles in the synthetic resin film is that the residence time of the bamboo fibers in the first two aggregates does not exceed the pot life that is different for individual synthetic resins.
  • the use of surface-treated bamboo fibers in normal concrete was carried out with a cement insert (CEM I 32.5 R) of 330 kg / m 3 concrete at 720 kg / m 3 sand 0/2, 360 kg / m 3 gravel 4/8 and 720 kg / m 3 gravel 8/16 tested at a fiber use of about 1% of the cement amount.
  • the fiber installation was carried out both as an unoriented layer and in the aligned state in each case in the tensile zone of the test specimens for the modulus of elasticity, bending and splitting tensile strength test.
  • the splitting tensile strength increased by up to 13% in the case of fibers incorporated in layers compared to the blank sample.
  • Other properties such as water penetration depths and freeze-thaw resistance, were well below the applicable limits for bamboo fibers randomly distributed in concrete.
  • the impact strength compared to zero concrete in the investigated fiber content range increased significantly and improved overall by the surface treatment compared to the use of untreated bamboo fibers.
  • the 7-day values increased strongly, eg the bending tensile strength by 26% compared to the zero sample.
  • Fine-particle dry bamboo particles (dpart ⁇ 0.5 mm, t ⁇ 0.5 mm, moisture content ⁇ 12-13%) were widely mixed in bamboo fiber production and dry-mixed with different proportions of cement and / or dry mortar Granulated addition of water in a drum slowly rotating about its longitudinal axis.
  • These light granules also have good thermal insulation properties.
  • bamboo fiber concrete samples To evaluate the long-term behavior of bamboo fiber concrete samples, the water impermeability test as well as the freeze-thaw and the freeze-thaw test were carried out. In addition, the elongation behavior of specimens with different bamboo fiber content and the impact strength of specimens was evaluated.
  • the bamboo fiber content was 6, 9 and 12 kg / m 3 of fresh concrete.
  • the fiber bundle lengths were adjusted to 25 mm, the fiber bundle diameter was d fiber 2 mm.
  • the elongation behavior of bamboo fiber-containing concrete parts is more favorable than that of bamboo fiber-reinforced concrete.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

L'invention concerne matériau de construction comportant une part minérale, en particulier une part de ciment, et une part de fibres. Les fibres de la part de fibres comprennent des fibres de bambou. Les fibres de bambou présentent au moins en partie, en particulier totalement, une longueur de fibre lFaser dans une plage de longueurs allant de 25 mm à 60 mm et un coefficient d'élancement λ dans une plage de valeurs inférieures à 100. La présente invention concerne en outre un procédé de fabrication d'un matériau de construction.
PCT/EP2013/075795 2012-12-07 2013-12-06 Matériau de construction contenant des fibres de bambou et procédé pour la fabrication dudit matériau WO2014086971A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012111942 2012-12-07
DE102012111942.2 2012-12-07

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Publication Number Publication Date
WO2014086971A1 true WO2014086971A1 (fr) 2014-06-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106760211A (zh) * 2017-01-17 2017-05-31 南京林业大学 一种竹材－钢复合管混凝土组合结构
CN114763422A (zh) * 2021-05-07 2022-07-19 上海微城建筑规划设计有限公司 一种耐冲击建筑材料及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244995A (en) * 1990-06-14 1991-12-18 Ask Corp Bamboo fiber-reinforced inorganic molded product
GB2354235A (en) * 1998-03-06 2001-03-21 Ask Corp Cement moldings containing vegetable fiber and method for producing the same
DE10019824A1 (de) * 2000-04-20 2001-10-25 Lothar Rauer Herstellungsverfahren für Baustoffe und Bauteile unter Verwendung fasriger Materialien

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2244995A (en) * 1990-06-14 1991-12-18 Ask Corp Bamboo fiber-reinforced inorganic molded product
GB2354235A (en) * 1998-03-06 2001-03-21 Ask Corp Cement moldings containing vegetable fiber and method for producing the same
DE10019824A1 (de) * 2000-04-20 2001-10-25 Lothar Rauer Herstellungsverfahren für Baustoffe und Bauteile unter Verwendung fasriger Materialien

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GHAVAMI, K.: "Bamboo as reinforcement in structural concrete elements", CEMENT & CONCRETE COMPOSITES, vol. 27, no. 6, 1 July 2005 (2005-07-01), pages 637 - 649, XP002720995 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106760211A (zh) * 2017-01-17 2017-05-31 南京林业大学 一种竹材－钢复合管混凝土组合结构
CN114763422A (zh) * 2021-05-07 2022-07-19 上海微城建筑规划设计有限公司 一种耐冲击建筑材料及其制备方法
CN114763422B (zh) * 2021-05-07 2024-03-08 上海微城建筑规划设计有限公司 一种耐冲击建筑材料及其制备方法

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