ITTR20120007A1 - LAYERED PANEL IN REINFORCED CONCROMERATE AND CONGLOMERATED WITH RUBBER AGGREGATES - Google Patents

LAYERED PANEL IN REINFORCED CONCROMERATE AND CONGLOMERATED WITH RUBBER AGGREGATES Download PDF

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Publication number
ITTR20120007A1
ITTR20120007A1 IT000007A ITTR20120007A ITTR20120007A1 IT TR20120007 A1 ITTR20120007 A1 IT TR20120007A1 IT 000007 A IT000007 A IT 000007A IT TR20120007 A ITTR20120007 A IT TR20120007A IT TR20120007 A1 ITTR20120007 A1 IT TR20120007A1
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IT
Italy
Prior art keywords
weight
parts
rubber
aggregates
layer
Prior art date
Application number
IT000007A
Other languages
Italian (it)
Inventor
Maria Luisa Ciafre
Ezio Dolara
Fausta Lanza
Original Assignee
Maria Luisa Ciafre
Ezio Dolara
Edilgori S P A
Fausta Lanza
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 Maria Luisa Ciafre, Ezio Dolara, Edilgori S P A, Fausta Lanza filed Critical Maria Luisa Ciafre
Priority to IT000007A priority Critical patent/ITTR20120007A1/en
Priority to PCT/IT2013/000192 priority patent/WO2014020623A1/en
Publication of ITTR20120007A1 publication Critical patent/ITTR20120007A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • 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
    • E04C2/044—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 of concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2272/00—Resin or rubber layer comprising scrap, waste or recycling material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • 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

Description

<DESCRIZIONE><DESCRIPTION>

<dell' invenzione industriale avente per titolo:><of the industrial invention entitled:>

<PANNELLO A STRATI IN ARMATO CONGLOMBRATO CON AGGREGATI IN GOMMA><LAYER PANEL IN REINFORCED CONGLOMBRATE WITH RUBBER AGGREGATES>

INQUADRAMENTO TIPOLOGICO E STATO DELL'ARTE. TYPOLOGICAL FRAMEWORK AND STATE OF THE ART.

<I pannelli prefabbricati cosiddetti sandwichmultistratostrati esterni in calcestruzzo armato, da uno strato intermedio di coibente e alleggerimento e da connettori che uniscono strutturalmente i due strati esterni. Attualmente sono utilizzati come coibentevegetale, animale e di origine sintetica.materiali sono commercializzatiforma di pannelli e per essere posti in opera richiedono una serie di lavorazionioperazioni anche durante il getto. Maggioremaggiore à ̈ la possibilità di errori conmateriali isolanti e in particolar modo quelli ecocompatibili, hann o spessori molto><elevati, tendono a deteriorarsi con il e all'esposizion aell'umidità, e possono avere anche un costo elevato.><Prefabricated so-called multi-layer external sandwich panels in reinforced concrete, with an intermediate layer of insulation and lightening and connectors that structurally join the two external layers. Currently they are used as plant insulation, animal and synthetic origin. Materials are marketed in the form of panels and to be installed they require a series of operations even during casting. The greater the possibility of errors with insulating materials and especially environmentally friendly ones, with very> <thicknesses, they tend to deteriorate with and exposure to humidity, and can also have a high cost.>

<Le applicazioni della dal riciclo degli pneumatici, sono indirizzate ai tappetini atilizzati come di pavimentazioni con funzioni anticalpestio e ai conglomerati stradali con leganti bituminosi. Altn utilizzi sono indrnzzati al confezionamento di calces{ruzzi struflltrali con l'impiego di particelle di gomma con dimensioni inferiori a 1 e quantità di gomma compresa tral'Io6><The applications of the tire recycling, are addressed to mats used as flooring with anti-impact functions and to road conglomerates with bituminous binders. Other uses are indrnzzato the packaging of calces {ruzzi struflltrali with the use of rubber particles with dimensions less than 1 and a quantity of rubber between I6>

<sono inferioi a3l8 inch (9,51 mm) e la quantità di gomma à ̈ compresa tra lo 0.05% e ll 20 %o del peso della composizione del calcesfruzzo. Gli aggregati in gomma sono utilizzati anche nelle barriere acustiche per esempio quelle installate lungo le strade. In una invenzione la barriera acustica à ̈ costituita da un substrato in calcestruzzo e da uno strato sottile (di spessore inferiore a 1 inch ) di un materiale costituito da un legante e particelle di gomma (con un volume del 25% rispetto a quello del legante). Le dimensioni di questi manufatti sono di 5 x 16 sq. in., i due strati sono uniti tra loro da un lesame chimico cioà ̈ sono "bonded".><are less than 18 inches (9.51 mm) and the quantity of rubber is between 0.05% and 20% or of the weight of the composition of the concrete. Rubber aggregates are also used in noise barriers such as those installed along roads. In one invention, the acoustic barrier consists of a concrete substrate and a thin layer (less than 1 inch thick) of a material consisting of a binder and rubber particles (with a volume of 25% compared to that of the binder. ). The dimensions of these artifacts are 5 x 16 sq. in., the two layers are joined together by a chemical examination that is "bonded".>

<OGGETTO DELL'INVENZIONE><OBJECT OF THE INVENTION>

<La presente invenzione riguarda un pannello multistrato costituito in generale da uno o più strati intermedi di clui uno in conglomerato con aggregati in gomma e da due strati esterni, in calcestruzzo armato, continui e connessi strutturalmente mediante amature a traliccio. Il conslomerato con inerti in somma conferisce al pannello caratteristiche di isolamento acustico e termico, le armature di connessione>rappresentano una limitazione al formarsi di ponti acustici e termici .The present invention relates to a multilayer panel generally constituted by one or more intermediate layers of one in conglomerate with rubber aggregates and by two external layers, in reinforced concrete, continuous and structurally connected by means of a lattice frame. The composite with aggregates in addition gives the panel acoustic and thermal insulation characteristics, the connection reinforcements> represent a limitation to the formation of acoustic and thermal bridges.

Lo strato in calcestruzzo atmalo può avere una forma come una lastra piana, una sezione a doppio T, un guscio o qualsiasi altra sezione.The atmalo concrete layer can have a shape such as a flat slab, a double T section, a shell or any other section.

I pannelli hanno funzione statica e isolante, possono essere úllizzati sia come tamponature o tramezzature, sia come pareti portanti sia come onzzontamenti. Lo strato intermedio del pannello multistrato in conglomerato con aggregati in gomma conferisce al pannello oggetto dell'invenzione speciali caratteristiche e vantaggi rispetto allo stato dell'arte dei pannelli multistrato in calcestruzzo armato:The panels have a static and insulating function, they can be llized both as infill or partitions, both as load-bearing walls and as sidings. The intermediate layer of the multilayer panel in conglomerate with rubber aggregates gives the panel object of the invention special characteristics and advantages compared to the state of the art of multilayer panels in reinforced concrete:

Bassa trasmissione acustica con abbattimento acustico di almeno ll 30% rispetto a un tradizionale.Low acoustic transmission with noise reduction of at least 30% compared to a traditional one.

- Bassa conducibilità termica con l" compreso tra 0,25 e 0,60.- Low thermal conductivity with l "between 0.25 and 0.60.

Riduzione degli spessori e del peso del pannello rispetto a un pannello standard con le stesse funzioni statiche.Reduction in thickness and weight of the panel compared to a standard panel with the same static functions.

Inibizione della corrosione delle armature per il mantenimento del pH basico.Inhibition of the corrosion of the armatures for the maintenance of the basic pH.

Elevata "porosità non connessa" del conglomerato con gomma e con peso specifico ridotto circa un 1/ 3 rispetto a un calcestruzzo normale.High "unconnected porosity" of the conglomerate with rubber and with a reduced specific weight about 1/3 compared to normal concrete.

Minore lavorazione rispetto alla preparazione e alla disposizione dei parurelli coibenti, essendo gettato 1o strato intermedio in gomma.Less processing than the preparation and arrangement of the insulating parurelli, as the intermediate rubber layer is cast.

Facilità di adattamento alla forma di base delf intradosso del setto anche in caso di forma convessa e concava del supporto.Easy to adapt to the basic shape of the intrados of the septum even in the case of convex and concave shape of the support.

Durabilità.Durability.

Elevata tenuta al fuoco rispetto ai materiali tradizionali.High fire resistance compared to traditional materials.

Contributo al riciclaggio degli pneumatici fuori uso.Contribution to the recycling of end-of-life tires.

Facilità dei messa in opera.Ease of implementation.

<><>

<><>

<><>

<><>

<><>

<><>

figura 3: pianta e disposizione schematica dei connettori (5).figure 3: plan and schematic arrangement of the connectors (5).

I connettori (5) tra gli strati in calcestruzzo armato 7 e 3 saranno preferibilmente delle armature a traliccio (fig.l, fig.2) disposte secondo i due assi del pannello (fig.3). Le armature possono essere in acciaio, in acciaio inox, in acciaio austenitico o in FRP ( Fiber Reinforced Polimer).The connectors (5) between the reinforced concrete layers 7 and 3 will preferably be lattice reinforcements (fig. 1, fig. 2) arranged along the two axes of the panel (fig. 3). The reinforcements can be in steel, stainless steel, austenitic steel or FRP (Fiber Reinforced Polimer).

STRATO INTERMEDIO IN GOMMARUBBER INTERMEDIATE LAYER

Il conglomerato in gomma dello strato intermedio ( 2) Ã ̈ costituito dal legante, dal filler, dall'aggregato in gomma, da addittivi.The rubber conglomerate of the intermediate layer (2) consists of the binder, the filler, the rubber aggregate, and additives.

n legante à ̈ preferibilmente cemento Portland, ma può anche essere qualsiasi legante idraulico cementizio scelto tra: cemento alluminoso, cemento con scorie d'altoforno, cemento pozzolanico, gesso emidrato, o altri leganti polimerici e o loro miscele.The binder is preferably Portland cement, but it can also be any cement-based hydraulic binder chosen from: aluminous cement, cement with blast furnace slag, pozzolanic cement, gypsum hemihydrate, or other polymeric binders and their mixtures.

Il filler à ̈ preferibiLnente sabbia silicea fine, ma può anche essere qualsiasi altro materiale scelto dal gruppo: polvere calcarea, silice amorfa, polvere di riso, fumo di silice, microsilice, loppa d'alto forno, scorie granulate, scorie di acciaio, ceneri volanti, ossidi minerali, idrossidi minerali, argille, ossidi e idrossidi di metallo, granuli o fibre polimeriche, o qualsiasi loro miscele.The filler is preferably fine silica sand, but it can also be any other material chosen from the group: limestone dust, amorphous silica, rice dust, silica smoke, microsilica, blast furnace slag, granulated slag, steel slag, ash flying materials, mineral oxides, mineral hydroxides, clays, metal oxides and hydroxides, polymer granules or fibers, or any mixtures thereof.

L'aggregato in gomma à ̈ preferibilmente quello ottenuto dal riciclo degli pneumatici usati di autoveicoli ma può essere anche composto da scarti di lavorazione della gomma. La gommatriturata può essere usata direttamente anche senza trattarrrenti preliminari. Le dimensioni degli aggregati in gomma sono comprese tra 0,1 mm e 30,0 mm a seconda delle necessità costruttive e dell' isolamento richiesto per le strutture.The rubber aggregate is preferably the one obtained from the recycling of used vehicle tires but it can also be composed of rubber processing waste. The shredded tire can be used directly even without preliminary traction. The dimensions of the rubber aggregates are between 0.1 mm and 30.0 mm depending on the construction needs and the insulation required for the structures.

<Gli additivi possono essere sceltigrupporitardanti, schiumogeni, agenti flocculanti, polveremetacaolino, addensanti, omogeneizzarfti, fumopigmenti,plastificanti, ossidi minerali, idrossidie idrossidi metallici, pomice, scorie, tufi,perlite,perline polimeriche, silicato di calcio idratopolimeriche,miscele.><The additives can be chosen: retardants, foaming agents, flocculating agents, metakaolin powders, thickeners, homogenizers, fumopigments, plasticizers, mineral oxides, hydroxides and metal hydroxides, pumice, slag, tuff, perlite, polymer beads, hydratepolymeric calcium silicate> mixtures.

<Il conglomerato con aggregati in gomma à ̈ costituito><The conglomerate with rubber aggregates is made up>

<100 parti in peso di legante idraulico,partipesopeso di aggregato in gomma, 0-3 parti in pesopartipesoacqua.><100 parts by weight of hydraulic binder, parts weight of rubber aggregate, 0-3 parts by weight of water.>

<Se si utilizza un legante polimerico le quantità previstepreferibilmente:><If a polymeric binder is used, the quantities foreseen preferably:>

<100 parti in peso di legante polimerico,partipesopeso di aggregato in gomma, 0-3 partipesopartipesoacqua..><100 parts by weight of polymer binder, parts weight of rubber aggregate, 0-3 parts weight of water weight ..>

<Si conferma quanto prospettato nell'introduzionePannello multà strato in calcestruzzo armato e conglomeratogomma rispetto allo stato dell'arte con particolarequelle><What was proposed in the introduction is confirmed Multilayer panel in reinforced concrete and rubber conglomerate compared to the state of the art with particular those>

Claims (1)

<RIVENDICAZIONI> <1. Pannello a strati costituto da due stratida elementi di connessione e uno strato intermedio dove:> <lo strato intermedio à ̈ realizzato in conglomeratogomma.> <2. Pannello a strati costituto da due strati esternida elementi di connessione e due strati intermedi dove:> <il primo strato intermediogonìma,> <il secondo strato intermedioplastico> <3. Pannello a strati in calcestruzzo secondo la rivendicazione 12strato intermedio in conglomerato con aggregati in gomma à ̈ composto100 parti inpeso di legante> <da 0 a 90 parti inpeso di filler;> <da 10 a 250 parti in pesoin gomma con dimensioni comprese tra0,2 mm e 30,0mm;> <da 0 a 3 parti in peso> <da25 a 55 parti in peso> <4. Pannello a strati in calcestruzzolastrato intermedio in conglomerato con aggregati in gomma à ̈ composto>da 0 a 160 parti in peso di filler; da l0 a 500 parti in peso di aggregati in gomma con dimensioni comprese tra0,2 mm e 30,0mm; da 0 a 3 parti in peso di additivo da25 a 55 parti in peso di acqua. 5. Pannello a strati in calcestruzzo secondo la rivendicazione 1 e 2 dove le connessioni tra gli strati esterni sono armature preferibilmente a traliccio scelte tra acciaio, acciaio inox, acciaio austenitico e FRP.<CLAIMS> <1. Layered panel consisting of two layers of connecting elements and an intermediate layer where:> <the intermediate layer is made of conglomerate rubber.> <2. Layered panel consisting of two external layers of connection elements and two intermediate layers where:> <the first intermediate layer,> <the second intermediate plastic layer> <3. Concrete layer panel according to claim 12 Intermediate layer in conglomerate with rubber aggregates is composed of 100 parts by weight of binder> <0 to 90 parts by weight of filler;> <10 to 250 parts by weight in rubber with dimensions between 0.2mm and 30.0mm;> <0 to 3 parts by weight> <25 to 55 parts by weight> <4. Intermediate concrete layered panel in conglomerate with rubber aggregates is composed of> 0 to 160 parts by weight of filler; 10 to 500 parts by weight of rubber aggregates with dimensions ranging from 0.2mm to 30.0mm; from 0 to 3 parts by weight of additive 25 to 55 parts by weight of water. 5. Concrete layer panel according to claims 1 and 2 where the connections between the external layers are preferably lattice reinforcements selected from steel, stainless steel, austenitic steel and FRP.
IT000007A 2012-08-03 2012-08-03 LAYERED PANEL IN REINFORCED CONCROMERATE AND CONGLOMERATED WITH RUBBER AGGREGATES ITTR20120007A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT000007A ITTR20120007A1 (en) 2012-08-03 2012-08-03 LAYERED PANEL IN REINFORCED CONCROMERATE AND CONGLOMERATED WITH RUBBER AGGREGATES
PCT/IT2013/000192 WO2014020623A1 (en) 2012-08-03 2013-07-10 Concrete multilayer panel with rubber aggregate wythe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000007A ITTR20120007A1 (en) 2012-08-03 2012-08-03 LAYERED PANEL IN REINFORCED CONCROMERATE AND CONGLOMERATED WITH RUBBER AGGREGATES

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ITTR20120007A1 true ITTR20120007A1 (en) 2014-02-04

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WO (1) WO2014020623A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112979227A (en) * 2021-03-12 2021-06-18 中国地质大学（武汉） Waste steel slag and waste rubber fine aggregate concrete product and preparation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996713A (en) * 1975-04-02 1976-12-14 Ernst Haeussler Prefabricated multi-layer steel-reinforced concrete panels
DE3337247A1 (en) * 1982-12-23 1984-06-28 Heller, Alfred, 8700 Würzburg Use of granulated rubber
US4495235A (en) * 1981-07-27 1985-01-22 Tesch G H Process for the preparation of fiber-reinforced flat bodies containing a hardenable binder
US5002620A (en) * 1989-02-24 1991-03-26 Pace Technologies, Inc. Method of production of fiber-reinforced cellular concrete
WO1993025778A1 (en) * 1992-06-17 1993-12-23 Baeckman Bygg Ab S Wall panel and method and device for manufacturing this panel
US5391226A (en) * 1992-04-23 1995-02-21 Tiremix Corporation Rubber-crumb-reinforced cement concrete
US5456751A (en) * 1993-09-03 1995-10-10 Trustees Of The University Of Pennsylvania Particulate rubber included concrete compositions
US20050096412A1 (en) * 2003-11-05 2005-05-05 Vilem Petr Rubberized concrete composition and method of making the same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996713A (en) * 1975-04-02 1976-12-14 Ernst Haeussler Prefabricated multi-layer steel-reinforced concrete panels
US4495235A (en) * 1981-07-27 1985-01-22 Tesch G H Process for the preparation of fiber-reinforced flat bodies containing a hardenable binder
DE3337247A1 (en) * 1982-12-23 1984-06-28 Heller, Alfred, 8700 Würzburg Use of granulated rubber
US5002620A (en) * 1989-02-24 1991-03-26 Pace Technologies, Inc. Method of production of fiber-reinforced cellular concrete
US5391226A (en) * 1992-04-23 1995-02-21 Tiremix Corporation Rubber-crumb-reinforced cement concrete
WO1993025778A1 (en) * 1992-06-17 1993-12-23 Baeckman Bygg Ab S Wall panel and method and device for manufacturing this panel
US5456751A (en) * 1993-09-03 1995-10-10 Trustees Of The University Of Pennsylvania Particulate rubber included concrete compositions
US20050096412A1 (en) * 2003-11-05 2005-05-05 Vilem Petr Rubberized concrete composition and method of making the same

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ITTR20120007A1 (en) LAYERED PANEL IN REINFORCED CONCROMERATE AND CONGLOMERATED WITH RUBBER AGGREGATES