ES2376340B1 - PRELOUS FOR FORGED. - Google Patents
PRELOUS FOR FORGED. Download PDFInfo
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- ES2376340B1 ES2376340B1 ES201000914A ES201000914A ES2376340B1 ES 2376340 B1 ES2376340 B1 ES 2376340B1 ES 201000914 A ES201000914 A ES 201000914A ES 201000914 A ES201000914 A ES 201000914A ES 2376340 B1 ES2376340 B1 ES 2376340B1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
- E04B5/06—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement with beams placed against one another optionally with pointing-mortar
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
-
- 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
-
- 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
- E04C2/049—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 completely or partially of insulating material, e.g. cellular concrete or foamed plaster
-
- 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
Abstract
Prelosa para forjados, formada por un cuerpo base (3) de hormigón armado y/o pretensado sobre la cara inferior del cual va solidariamente incorporada una capa (5) de hormigón aligerado con un árido ligero, mientras que en la cara superior salen unas conformaciones (4) del mismo material que dicho cuerpo base (3), a modo de nervios longitudinales.Pre-slab for floor slabs, formed by a base body (3) of reinforced and / or prestressed concrete on the lower face of which a lightened concrete layer (5) is incorporated in solidarity with a light aggregate, while on the upper face there are conformations (4) of the same material as said base body (3), as longitudinal ribs.
Description
material constructivo a modo de nervios longitudina-constructive material as a longitudinal nerve
Prelosa para forjados. Pre-slab for floors.
Sector de la técnica Technical sector
La presente invención está relacionada con la construcción de los forjados de división entre los espacios de diferentes alturas y de formación de la cubierta superior, en las edificaciones, proponiendo una prelosa que permite construir dichos forjados en unas condiciones y con una realización muy ventajosas. Estado de la técnica The present invention is related to the construction of the floor slabs between the spaces of different heights and the formation of the upper roof, in the buildings, proposing a pre-slab that allows the floor slabs to be constructed under conditions and with a very advantageous embodiment. State of the art
Las estructuras de las edificaciones se forman convencionalmente con un armazón de columnas y vigas, sobre el cual se determina la cubierta superior y las divisiones entre los espacios de diferentes alturas, con unas estructuras denominadas forjados. The structures of the buildings are conventionally formed with a framework of columns and beams, on which the upper deck and the divisions between spaces of different heights are determined, with structures called forged.
Según una realización habitual, las estructuras de dichos forjados se forman disponiendo una serie de viguetas paralelas de hormigón pretensado, las cuales se apoyan por sus extremos sobre la vigas del armazón estructural de la construcción, incorporándose sobre las viguetas unos elementos denominados bovedillas, que pueden ser cerámicas o de hormigón, determinando con el conjunto de las bovedillas una superficie cerrada, sobre la cual se echa una capa de hormigón, denominada capa de compresión, mediante la cual se unifica el conjunto estructural constituyendo una placa resistente. According to a usual embodiment, the structures of said slabs are formed by arranging a series of parallel beams of prestressed concrete, which are supported by their ends on the beams of the structural framework of the construction, incorporating elements called vaults on the joists, which can be ceramic or concrete, determining with the set of the vaults a closed surface, on which a layer of concrete, called a compression layer, is laid, by means of which the structural assembly is unified constituting a resistant plate.
El montaje de esos forjados se realiza totalmente en obra, disponiendo primero las viguetas sobre las vigas del armazón estructural de la edificación y luego las bovedillas sobre las viguetas, lo cual requiere una labor lenta y costosa, teniendo que deambular los operarios montadores por encima de los elementos que van quedando montados, es decir sobre las viguetas y las bovedillas, conllevando esto un grave riesgo de accidentes, ya que las bovedillas son frágiles y pueden romperse al pisar sobre ellas. The assembly of these slabs is carried out entirely on site, first placing the joists on the beams of the structural framework of the building and then the vaults on the joists, which requires a slow and expensive work, having to roam the assembly workers above the elements that remain mounted, that is to say on the joists and the vaults, entailing a serious risk of accidents, since the vaults are fragile and can break when stepping on them.
Como alternativa se han desarrollado soluciones de construcción de los forjados con losas prefabricadas de hormigón pretensado, las cuales se disponen sucesivamente una al lado de otra, apoyándolas sobre las vigas del armazón estructural de la construcción, con lo cual se reduce el tiempo del montaje de la construcción y se elimina el riesgo de accidentes, ya que no hay que deambular sobre elementos frágiles como son las bovedillas. As an alternative, forged construction solutions have been developed with precast prestressed concrete slabs, which are arranged successively side by side, resting on the beams of the structural framework of the construction, thereby reducing the assembly time of the construction and the risk of accidents is eliminated, since it is not necessary to wander on fragile elements such as vaults.
Sin embargo, con las losas prefabricadas que se utilizan en las soluciones conocidas de este tipo, surge un problema por la incomodidad de realizar instalaciones de conducciones en su cara inferior ante la imposibilidad de poder rozar el hormigón de la losa prefabricada, y además es necesario complementar los forjados con capas aislantes para cumplir con las exigencias a las que obligan actualmente las normas de la construcción, con lo cual las construcciones siguen siendo lentas y costosas. Objeto de la invenciónHowever, with the prefabricated slabs that are used in known solutions of this type, a problem arises because of the inconvenience of conducting conduction installations on its lower face due to the impossibility of rubbing the concrete of the prefabricated slab, and it is also necessary complement the slabs with insulating layers to comply with the requirements that are currently required by the construction standards, so that the constructions are still slow and expensive. Object of the invention
De acuerdo con la invención se propone una prelosa destinada para la formación de los forjados en las edificaciones, la cual se ha desarrollado con unas características estructurales que la hacen funcionalmente ventajosa para la construcción de los forjados de aplicación. In accordance with the invention, a pre-slab intended for the formation of floor slabs in buildings is proposed, which has been developed with structural features that make it functionally advantageous for the construction of floor slabs.
Esta prelosa objeto de la invención consta de un cuerpo base moldeado de hormigón armado y/o pretensado, el cual determina una placa base continua de una dimensión determinada, saliendo de dicha placa les, mientras que sobre la cara inferior incorpora solidariamente unida una capa hormigón aligerado con arcilla expandida. This prelosa object of the invention consists of a molded base body of reinforced and / or prestressed concrete, which determines a continuous base plate of a certain dimension, leaving said plate, while on the lower face it incorporates a concrete layer joined together. lightened with expanded clay.
Se obtiene de este modo una prelosa de gran resistencia a los esfuerzos perpendiculares sobre ella, de modo que puede disponerse apoyada sobre las vigas del armazón estructural de las edificaciones, para formar, mediante la colocación de sucesivas prelosas consecutivas, una superficie cerrada, sobre la cual pueden disponerse armaduras metálicas entre los nervios de la cara superior de las prelosas, para echar sobre todo el conjunto un cubrimiento de hormigón en funciones de capa de compresión. In this way, a pre-slab of great resistance to perpendicular stresses on it is obtained, so that it can be arranged supported on the beams of the structural framework of the buildings, to form, by placing successive consecutive pre-slabs, a closed surface, on the which metal reinforcements can be arranged between the ribs of the upper face of the pre-slabs, to cast a concrete covering on the whole as a function of compression layer.
De este modo se pueden construir forjados de una manera sencilla y rápida, sin tener que pisar sobre elementos frágiles con riesgo de accidentes, pero además los forjados se obtienen con una capa de superficie en la cara inferior que confiere cualidades de aislamiento térmico, acústico y contra la propagación de incendios, de forma que mediante la colocación de las prelosas y la formación de la capa de compresión sobre ellas, se obtiene el forjado totalmente terminado, sin tener que realizar posteriormente incorporaciones complementarias de aislamiento. In this way, floor slabs can be built in a simple and fast way, without having to step on fragile elements with risk of accidents, but in addition the floor slabs are obtained with a surface layer on the underside that confers thermal, acoustic and thermal insulation qualities. against the propagation of fires, so that by placing the pre-slabs and forming the compression layer on them, the completely finished slab is obtained, without having to subsequently carry out complementary insulation incorporations.
De igual manera la capa inferior de la prelosa es susceptible de ser rozada y facilitar de este modo la instalación de conducciones eléctricas o de otro tipo, evitando la incomodidad de realizar este tipo de instalaciones directamente sobre el hormigón de la parte superior de la prelosa mucho más duro. In the same way the lower layer of the pre-slab is susceptible to being rubbed and thus facilitate the installation of electrical or other conduits, avoiding the inconvenience of performing this type of installation directly on the concrete of the upper part of the pre-slab. harder.
Por todo ello, dicha prelosa objeto de la invención resulta de unas características ciertamente ventajosas, adquiriendo vida propia y carácter preferente para la función de construcción de forjados a la que se halla destinada. Descripción de las figurasTherefore, said prelosa object of the invention results in certain advantageous features, acquiring its own life and preferential character for the function of building slabs to which it is intended. Description of the fi gures
La figura 1 muestra en sección transversal un tramo de un forjado convencional de las construcciones de edificación. Figure 1 shows in cross-section a section of a conventional floor of the building constructions.
La figura 2 es una vista en sección transversal de una prelosa para la construcción de forjados, según la invención. Descripción detallada de la invenciónFigure 2 is a cross-sectional view of a pre-slab for the construction of floors, according to the invention. Detailed description of the invention
El objeto de la invención se refiere a una prelosa destinada para la formación de los forjados de división entre los espacios de altura y de la cubierta superior, en las edificaciones, con unas características que simplifican ventajosamente la realización constructiva respecto de los forjados convencionales que se forman con viguetas (1) y bovedillas (2) como el ejemplo de la figura 1. The object of the invention refers to a pre-slab destined for the formation of the floor slabs between the spaces of height and the upper roof, in the buildings, with characteristics that advantageously simplify the constructional realization with respect to the conventional floor slabs that are they form with joists (1) and vaults (2) as the example in Figure 1.
La prelosa preconizada consta, como se observa en la figura 2, de un cuerpo base (3) moldeado de hormigón armado y/o pretensado, con unas conformaciones (4) del mismo material saliendo a modo de nervios longitudinales en la cara superior. The recommended pre-slab consists, as seen in Figure 2, of a base body (3) molded of reinforced and / or prestressed concrete, with conformations (4) of the same material emerging as longitudinal ribs on the upper face.
De este modo se obtiene una prelosa prefabricada en la que las conformaciones (4) confieren una gran resistencia a los esfuerzos perpendiculares, de modo que puede ser colocada en apoyo sobre las vigas del armazón estructural de las edificaciones, para formar una superficie continua mediante sucesivas prelosas consecutivas, sobre la cual pueden disponerse armaduras entre las conformaciones (4) de las prelosas, para determinar sobre el conjunto una capa de compresión mediante un cubrimiento con hormigón. In this way a prefabricated pre-slab is obtained in which the conformations (4) confer great resistance to perpendicular stresses, so that it can be placed in support on the beams of the structural framework of the buildings, to form a continuous surface by successive consecutive pre-slabs, on which reinforcements can be arranged between the conformations (4) of the pre-slabs, to determine on the whole a compression layer by means of a concrete covering.
Solidariamente unida a la cara inferior del cuerpo base (3), la prelosa incorpora además una capa (5) de hormigón aligerado con un árido ligero, preferentemente arcilla expandida, de manera que no incrementa de un modo considerable el peso de la prelosa, confiriendo sin embargo a la misma cualidades de aislamiento térmico, acústico y contra la transmisión de incendios. Solidarity joined to the lower face of the base body (3), the pre-slab also incorporates a lightened concrete layer (5) with a light aggregate, preferably expanded clay, so that it does not significantly increase the weight of the pre-slab, conferring nevertheless to the same qualities of thermal, acoustic insulation and against the transmission of fires.
El grosor de dicha capa (5) puede variar en función de las aplicaciones, por ejemplo entre1y10 centímetros, constituyendo sobre la cara inferior del cuerpo base (3) de la prelosa un acabado que es susceptible de ser rozado para realizar cómodamente diferentes instalaciones en el edificio. The thickness of said layer (5) can vary depending on the applications, for example between 1 and 10 centimeters, constituting on the lower face of the base body (3) of the pre-slab a finish that is likely to be brushed to comfortably perform different installations in the building.
Claims (7)
- 2. 2.
- Prelosa para forjados, de acuerdo con la primera reivindicación, caracterizada porque la capa (5) es de un grosor entre1y10 centímetros. Pre-slab for floor slabs, according to the first claim, characterized in that the layer (5) is between 1 and 10 centimeters thick.
- 3. 3.
- Prelosa para forjados, de acuerdo con la primera reivindicación, caracterizada porque el matePre-slab for floors, according to the first claim, characterized in that the matte
- 4. Four.
- Prelosa para forjados, de acuerdo con la primera reivindicación caracterizada porque de la cara superior del cuerpo base (3) salen unas conformaciones (4) del mismo material a modo de nervios longitudinales. Pre-slab for floor slabs, according to the first claim characterized in that conformations (4) of the same material as longitudinal ribs emerge from the upper face of the base body (3).
- 5. 5.
- Prelosa para forjados, de acuerdo con la primera reivindicación, caracterizada porque la capa (5) determina en la cara inferior del cuerpo base (3) un enlucido de acabado superficial. Pre-slab for floor slabs, according to the first claim, characterized in that the layer (5) determines on the lower face of the base body (3) a surface finish plaster.
- 6. 6.
- Prelosa para forjados, de acuerdo con la primera reivindicación, caracterizada porque la capa (5) tiene cualidades de aislamiento térmico, acústico y contra la transmisión del fuego. Pre-slab for floor slabs, according to the first claim, characterized in that the layer (5) has thermal, acoustic and fireproofing qualities.
- Categoría Category
- 56 Documentos citados Reivindicaciones afectadas 56 Documents cited Claims Affected
- X X
- NUEVA PRELOSA LECA. 07.04.2010. Recuperado de Internet: <http://www.viguetasnavarras.com/mod_news/news/details/35> 1-6 NEW PRELOSA LECA. 04.07.2010. Recovered from the Internet: <http://www.viguetasnavarras.com/mod_news/news/details/35> 1-6
- X X
- GB 773192 A (DICK MARTIN) 24.04.1957, página 2, líneas 64-80; figuras. 1-6 GB 773192 A (DICK MARTIN) 24.04.1957, page 2, lines 64-80; figures. 1-6
- Y Y
- ES 2304114 A1 (ZENET PREFABRICADOS S L) 01.09.2008, página 5, líneas 44-49; página 6, líneas17-24; figura 1. 1-6 EN 2304114 A1 (PREFABRICATED ZENET S L) 01.09.2008, page 5, lines 44-49; page 6, lines 17-24; Figure 1. 1-6
- Y Y
- ES 251862 U (GARCIA RIVERA) 01.01.1980, página 2, línea 17 – página 3, línea 7. 1-6 EN 251862 U (GARCIA RIVERA) 01.01.1980, page 2, line 17 - page 3, line 7. 1-6
- A TO
- ES 2263320 A1 (JIMENEZ SANCHEZ JAIME ENRIQUE) 01.12.2006, columna 4, líneas 58-62; reivindicación 5; figuras 1,2,10-13. 1,2,4-6 EN 2263320 A1 (JIMENEZ SANCHEZ JAIME ENRIQUE) 01.12.2006, column 4, lines 58-62; claim 5; Figures 1,2,10-13. 1,2,4-6
- A TO
- FR 2729411 A3 (BULTE JACQUES) 19.07.1996, página 4, línea 34 – página 5, línea 2; página 2, líneas 13-18; figura 3. 1,2,4-6 FR 2729411 A3 (BULTE JACQUES) 19.07.1996, page 4, line 34 - page 5, line 2; page 2, lines 13-18; figure 3. 1,2,4-6
- A TO
- ES 2239887 A1 (FORJADOS ORGUES S L) 01.10.2005, resumen. 1,3,6 EN 2239887 A1 (FORGED ORGUES S L) 01.10.2005, summary. 1,3,6
- Categoría de los documentos citados X: de particular relevancia Y: de particular relevancia combinado con otro/s de la misma categoría A: refleja el estado de la técnica O: referido a divulgación no escrita P: publicado entre la fecha de prioridad y la de presentación de la solicitud E: documento anterior, pero publicado después de la fecha de presentación de la solicitud Category of the documents cited X: of particular relevance Y: of particular relevance combined with other / s of the same category A: reflects the state of the art O: refers to unwritten disclosure P: published between the priority date and the date of priority submission of the application E: previous document, but published after the date of submission of the application
- El presente informe ha sido realizado • para todas las reivindicaciones • para las reivindicaciones nº: This report has been prepared • for all claims • for claims no:
- Fecha de realización del informe 23.02.2012 Date of realization of the report 23.02.2012
- Examinador M. Sánchez Robles Página 1/4 Examiner M. Sánchez Robles Page 1/4
- Novedad (Art. 6.1 LP 11/1986) Novelty (Art. 6.1 LP 11/1986)
- Reivindicaciones Reivindicaciones 1-6 SI NO Claims Claims 1-6 IF NOT
- Actividad inventiva (Art. 8.1 LP11/1986) Inventive activity (Art. 8.1 LP11 / 1986)
- Reivindicaciones Reivindicaciones 1-6 SI NO Claims Claims 1-6 IF NOT
- Documento Document
- Número Publicación o Identificación Fecha Publicación Publication or Identification Number publication date
- D01 D01
- NUEVA PRELOSA LECA. 07/04/2010. Recuperado de Internet: <http://www.viguetasnavarras.com/mod_news/news/details/35> 07.04.2010 NEW PRELOSA LECA. 04/07/2010. Recovered from the Internet: <http://www.viguetasnavarras.com/mod_news/news/details/35> 04.04.2010
- D02 D02
- GB 773192 A (DICK MARTIN) 24.04.1957 GB 773192 A (DICK MARTIN) 04/24/1957
- D03 D03
- ES 2304114 A1 (ZENET PREFABRICADOS S L) 01.09.2008 ES 2304114 A1 (PREFABRICATED ZENET S L) 01.09.2008
- D04 D04
- ES 251862 U (GARCIA RIVERA) 01.01.1980 ES 251862 U (GARCIA RIVERA) 01.01.1980
- D05 D05
- ES 2263320 A1 (JIMENEZ SANCHEZ JAIME ENRIQUE) 01.12.2006 ES 2263320 A1 (JIMENEZ SANCHEZ JAIME ENRIQUE) 01.12.2006
- D06 D06
- FR 2729411 A3 (BULTE JACQUES) 19.07.1996 FR 2729411 A3 (JACQUES BULTE) 19.07.1996
- D07 D07
- ES 2239887 A1 (FORJADOS ORGUES S L) 01.10.2005 EN 2239887 A1 (FORGED ORGUES S L) 01.10.2005
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201000914A ES2376340B1 (en) | 2010-07-16 | 2010-07-16 | PRELOUS FOR FORGED. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201000914A ES2376340B1 (en) | 2010-07-16 | 2010-07-16 | PRELOUS FOR FORGED. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2376340A1 ES2376340A1 (en) | 2012-03-13 |
ES2376340B1 true ES2376340B1 (en) | 2012-11-19 |
Family
ID=45773578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES201000914A Active ES2376340B1 (en) | 2010-07-16 | 2010-07-16 | PRELOUS FOR FORGED. |
Country Status (1)
Country | Link |
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ES (1) | ES2376340B1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB773192A (en) * | 1953-10-08 | 1957-04-24 | Dick Martin | Beams |
ES251862Y (en) * | 1980-07-03 | 1981-10-01 | PARTS FOR CONSTRUCTION | |
FR2729411B3 (en) * | 1995-01-13 | 1996-12-27 | Bulte Jacques | LIGHT RIBBED COFFERED REINFORCED CONCRETE SLAB FOR FULL-SLAB FLOOR AND METHOD OF MANUFACTURING THE SAME |
ES2239887A1 (en) * | 2003-12-01 | 2005-10-01 | Forjados Orgues, S.L. | Curved part of lightened stern that is formed by means of coupling of two pieces, one base member of median height, obtained indifferently in concrete material, and a supplement, for forged of type of used ones in construction in general |
ES2263320B1 (en) * | 2004-02-04 | 2007-10-16 | Jaime Enrique Jimenez Sanchez | MANUFACTURING PROCEDURE ON LONG PRESSED TRACK OF INSULATED NERVATED PLATES FOR APPLICATION IN INCLINED COVERS AND PLATES SO OBTAINED. |
ES2304114B1 (en) * | 2007-12-18 | 2009-09-16 | Zenet Prefabricados S.L. | PREFABRICATED PREFERRED CONCRETE CONCRETE WITH RIGIDIZING NERVES AND LIGHTENING ELEMENTS FOR FORGED SYSTEMS WITH UPPER CONCRETE Slab CONCRETE. |
-
2010
- 2010-07-16 ES ES201000914A patent/ES2376340B1/en active Active
Also Published As
Publication number | Publication date |
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ES2376340A1 (en) | 2012-03-13 |
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