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WO1997015727A1 - Element de construction absorbant et amortissant les bruits - Google Patents

Element de construction absorbant et amortissant les bruits Download PDF

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Publication number
WO1997015727A1
WO1997015727A1 PCT/IB1995/000914 IB9500914W WO9715727A1 WO 1997015727 A1 WO1997015727 A1 WO 1997015727A1 IB 9500914 W IB9500914 W IB 9500914W WO 9715727 A1 WO9715727 A1 WO 9715727A1
Authority
WO
WIPO (PCT)
Prior art keywords
reinforced concrete
concrete part
sound
precast
precast reinforced
Prior art date
Application number
PCT/IB1995/000914
Other languages
German (de)
English (en)
Inventor
Hans Baur
Original Assignee
Ed. Züblin Ag
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 Ed. Züblin Ag filed Critical Ed. Züblin Ag
Priority to PCT/IB1995/000914 priority Critical patent/WO1997015727A1/fr
Priority to AU36714/95A priority patent/AU3671495A/en
Publication of WO1997015727A1 publication Critical patent/WO1997015727A1/fr

Links

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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C04B41/49—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes
    • C04B41/4905—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon
    • C04B41/495—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Organo-clay compounds; Organo-silicates, i.e. ortho- or polysilicic acid esters ; Organo-phosphorus compounds; Organo-inorganic complexes containing silicon applied to the substrate as oligomers or polymers
    • C04B41/4961—Polyorganosiloxanes, i.e. polymers with a Si-O-Si-O-chain; "silicones"
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
    • C04B41/61—Coating or impregnation
    • C04B41/62—Coating or impregnation with organic materials
    • C04B41/64—Compounds having one or more carbon-to-metal of carbon-to-silicon linkages
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0017—Plate-like elements
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers
    • 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
    • C04B2111/52—Sound-insulating materials

Definitions

  • the invention relates to a sound-absorbing and sound-absorbing component made of concrete.
  • Soundproofing elements made of concrete for sound absorption and insulation generally consist of a base and an insulation layer made of normal concrete as well as a layer for sound absorption. This layer is usually applied separately and is made of special materials, such as concrete with a high aggregate density.
  • a sound absorbing component is known, the facing of which is made of aggregate concrete with aggregates. These aggregates are natural sands or fine gravel with grain sizes smaller than 4 mm. The effect of sound absorption is caused by the fine porosity of the surface and by the open pores inside the concrete.
  • the surface is structured to improve absorption.
  • the structured surface is generally produced using shaped facing formwork. Another very effective method for producing the profiling of a surface is known from DE 38 07 263.
  • the molded-porous concrete which still has a soft consistency, is shaped and molded on the support plate using fittings held on a crossbeam.
  • the production of such arc-shaped noise barrier elements is described in GM 89 02 956. After that, the facing shell is first concreted horizontally and the supporting shell is applied directly to the fresh aerated concrete.
  • All the noise protection wall elements mentioned so far are factory-made concrete parts.
  • the individual noise protection elements are installed in connection with reinforced concrete supports or steel posts or provided with an integrated support system.
  • This integrated support system consists of support feet that are inserted into the foundation holder. The resulting vertical joints between the butted elements must be closed soundproof with joint tapes.
  • reinforced concrete columns or steel posts are used to fasten the precast elements, two different versions are used.
  • the supports are usually used in bored piles, the heads of which are designed as quivers.
  • a steel construction connection between the support and substructure can be made using steel base plates.
  • hydrophobing agents act through physical surface forces that increase the wetting angle of the wetting water so that capillary suction of liquid can no longer take place. They should penetrate as deep as possible into the concrete in order to achieve the highest possible security and durability of the water-repellent effect. These properties are achieved through a viscosity that is matched to the pore size of the substrate.
  • the substances used for the hydrophobization are preferably reactive silicon compounds which polymerize on the mineral surface.
  • a polysiloxane is formed as an active ingredient on the surface of the building material and in the pores and micro cracks near the surface. Hydrophobing protects the concrete from the attack of freeze-thawing salt, however, the means used are relatively cost-intensive, so that complete waterproofing of a noise protection wall is certainly out of the question for reasons of cost.
  • the subject of our invention is concerned with a method
  • Fig. 1 to 7 show various types of noise barriers that can be protected against the attack of de-icing salts with our method.
  • ⁇ Fig. 1 Noise protection wall in curved design with highly absorbent
  • Wave or rib structure made of aerated concrete ⁇ Fig. 2.
  • Noise barrier straight or curved with absorbent
  • Aerated concrete surface with integrated supports and sealing tape. 5 Noise protection wall straight or curved with an absorbent structured aerated concrete surface with individual supports and inserted elements oFig. 6: Noise protection wall straight with an attachment made of mineral fiber board
  • FIGS. 8 to 9 show embodiments of the method according to the invention.
  • noise barriers according to FIG. 8 are opened
  • Facing shell made of granular concrete (2) poured and in
  • the support plate (3) is applied as a layer of liquid concrete.
  • the support plate (3) is applied as a layer of liquid concrete.
  • Trough (4) set, level 2. The one prepared in this trough
  • Hydrophobing agent is absorbed within a few minutes, level 3. Due to the good contact of the facing shell on the support plate, the aerated concrete of the support plate is soaked up to the desired height. The base / spray area (5) is soaked and the finished part can be picked up and released.
  • Water repellant are treated.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un élément de construction en béton qui absorbe et amortit les bruits et dont la zone exposée aux projections présente une imperméabilisation spéciale. L'invention concerne par ailleurs des procédés permettant de produire ledit élément de construction.
PCT/IB1995/000914 1995-10-25 1995-10-25 Element de construction absorbant et amortissant les bruits WO1997015727A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IB1995/000914 WO1997015727A1 (fr) 1995-10-25 1995-10-25 Element de construction absorbant et amortissant les bruits
AU36714/95A AU3671495A (en) 1995-10-25 1995-10-25 Sound-absorbent and sound-damping structural element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB1995/000914 WO1997015727A1 (fr) 1995-10-25 1995-10-25 Element de construction absorbant et amortissant les bruits

Publications (1)

Publication Number Publication Date
WO1997015727A1 true WO1997015727A1 (fr) 1997-05-01

Family

ID=11004381

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1995/000914 WO1997015727A1 (fr) 1995-10-25 1995-10-25 Element de construction absorbant et amortissant les bruits

Country Status (2)

Country Link
AU (1) AU3671495A (fr)
WO (1) WO1997015727A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110117178A (zh) * 2019-05-28 2019-08-13 绍兴华放新材料有限公司 一种基于竹木混合纤维的轻质混凝土隔音墙

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8001310U1 (de) * 1980-04-24 Stewing, Albert, 4270 Dorsten Wandelement in Fertigbauweise für eine Lärmschutzwand
DE9001449U1 (de) * 1989-09-08 1990-04-12 Filigran Bauelemente AG, Oberdiesbach Plattenelement für eine Lärmschutzwand
WO1992006101A1 (fr) * 1990-10-09 1992-04-16 Prosoco, Inc. Procede d'hydrofugation de materiaux de maçonnerie au moyen d'organoalkoxysilanes a faible degagement de composes organiques volatiles
EP0531767A1 (fr) * 1991-09-10 1993-03-17 Rainer Schmieg Dispositif d'absorption d'ondes
DE4203341A1 (de) * 1992-02-06 1993-08-12 Passavant Werke Verfahren zur herstellung von lager- und behandlungsbecken aus beton oder stahlbeton
EP0673733A2 (fr) * 1994-03-10 1995-09-27 Veit Dennert KG Baustoffbetriebe Procédé pour la fabrication d'un panneau léger isolant en matériau minéral poreux

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8001310U1 (de) * 1980-04-24 Stewing, Albert, 4270 Dorsten Wandelement in Fertigbauweise für eine Lärmschutzwand
DE9001449U1 (de) * 1989-09-08 1990-04-12 Filigran Bauelemente AG, Oberdiesbach Plattenelement für eine Lärmschutzwand
WO1992006101A1 (fr) * 1990-10-09 1992-04-16 Prosoco, Inc. Procede d'hydrofugation de materiaux de maçonnerie au moyen d'organoalkoxysilanes a faible degagement de composes organiques volatiles
EP0531767A1 (fr) * 1991-09-10 1993-03-17 Rainer Schmieg Dispositif d'absorption d'ondes
DE4203341A1 (de) * 1992-02-06 1993-08-12 Passavant Werke Verfahren zur herstellung von lager- und behandlungsbecken aus beton oder stahlbeton
EP0673733A2 (fr) * 1994-03-10 1995-09-27 Veit Dennert KG Baustoffbetriebe Procédé pour la fabrication d'un panneau léger isolant en matériau minéral poreux

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110117178A (zh) * 2019-05-28 2019-08-13 绍兴华放新材料有限公司 一种基于竹木混合纤维的轻质混凝土隔音墙
CN110117178B (zh) * 2019-05-28 2020-04-28 绍兴华放新材料有限公司 一种基于竹木混合纤维的轻质混凝土隔音墙

Also Published As

Publication number Publication date
AU3671495A (en) 1997-05-15

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