ES2405292B1

ES2405292B1 - SYSTEM AND CONSTRUCTION METHOD OF PREFABRICATED BUILDINGS

Info

Publication number: ES2405292B1
Application number: ES201131867A
Authority: ES
Inventors: Fatima BARKAOUI EL BAKKAR
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-21
Filing date: 2011-11-21
Publication date: 2014-04-14
Anticipated expiration: 2031-11-21
Also published as: ES2405292R1; ES2405292A2

Abstract

Sistema y método constructivo de edificaciones prefabricadas, con perfiles tubulares (6), paredes, techo, puertas y ventanas (10) y que comprende un primer perfil premarco (1) incluyendo una pluralidad de anclajes susceptibles de ser fijados al terrero y un mallazo (3) bajo el cual se sitúan los tubos de desagües (2);y donde sobre el citado pre-marco (1) una vez hormigonado se sitúan una pluralidad de perfiles tubulares (6) que a su vez comprenden una pluralidad de núcleos sólidos (7) de unión con el premarco (1) y un accesorio encajado en el canal de los laterales de los perfiles para la fijación de los tabiques y las paredes; y donde además la casa comprende una cumbrera (8) acoplada por sus laterales con los citados perfiles tubulares (6) configurados a modo de pilares estructurales (5) de la casa, así como con un perfil cumbrera central (9) para cerrar el conjunto de la estructura.System and construction method of prefabricated buildings, with tubular profiles (6), walls, roof, doors and windows (10) and comprising a first pre-frame profile (1) including a plurality of anchors capable of being fixed to the ground and a mesh ( 3) under which the drain pipes (2) are located; and where on the aforementioned pre-frame (1) once concreted are placed a plurality of tubular profiles (6) which in turn comprise a plurality of solid cores ( 7) of union with the pre-frame (1) and an accessory fitted in the channel of the sides of the profiles for the fixation of the partitions and the walls; and where the house also comprises a ridge (8) coupled at its sides with said tubular profiles (6) configured as structural pillars (5) of the house, as well as with a central ridge profile (9) to close the assembly of the structure.

Description

Sistema y método constructivo de edificaciones prefabricadas System and construction method of prefabricated buildings

El objeto principal de la presente invención es un sistema de montaje de edificaciones prefabricadas, del tipo casas, granjas, escuelas, etc., mediante estructura tubular realizada en perfiles generalmente de aluminio, y la unión mediante un núcleo sólido que se encaja en los extremos de los perfiles, y un accesorio encajado en un canal situado en los laterales de los perfiles, gracias al cual se pueden fijar los tabiques y las paredes de la casa. The main object of the present invention is a system of assembly of prefabricated buildings, of the type houses, farms, schools, etc., by means of tubular structure made of generally aluminum profiles, and the union by means of a solid core that fits at the ends of the profiles, and an accessory embedded in a channel located on the sides of the profiles, thanks to which the walls and walls of the house can be fixed.

ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION

En la actualidad, el auge de la venta, fabricación y montaje de casas prefabricadas está viviendo un auge, gracias sobre todo a la versatilidad que ofrece su montaje, el ahorro económico significativo respecto a las casas tradicionales, y la particularidad que ofrece, que en su mayoría sean modulables, provocando como consecuencia final, que el usuario o comprador de la misma, tenga una casa a su gusto, con un ahorro económico importante. At present, the boom in the sale, manufacture and assembly of prefabricated houses is experiencing a boom, thanks above all to the versatility offered by its assembly, the significant economic savings compared to traditional houses, and the particularity it offers, which in most of them are modulable, causing as a final consequence, that the user or buyer of the same, have a house to their liking, with significant economic savings.

Ejemplo de esto es la patente española ES0175908, que describe un nuevo procedimiento para la construcción de casas prefabricadas con elementos enlazables, caracterizada por comprender como armazón del conjunto una estructura metálica, de madera, o de cualquier otro material que permita la intercambialidad de elementos, los cuales se recubren interior y exteriormente de elementos enlazables para formar los muros, paredes divisorias, tabiques y también la cubierta montándose los pies derechos que forman parte de ésta estructura sobre un zócalo de ladrillo, mampostería, hormigón o similar, por medio de elementos apropiados de enlace, tales como tornillos y análogos. An example of this is the Spanish patent ES0175908, which describes a new procedure for the construction of prefabricated houses with linkable elements, characterized by comprising as a framework of the set a metal structure, of wood, or of any other material that allows the exchange of elements, which are covered internally and externally of linkable elements to form the walls, dividing walls, partitions and also the roof mounting the right feet that are part of this structure on a brick, masonry, concrete or similar baseboard, by means of appropriate elements of linkage, such as screws and the like.

DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION

En un primer aspecto de la invención se reivindica el método de montaje de edificaciones prefabricadas, del tipo de las que están construidas con perfiles tubulares, que se caracteriza porque en primer lugar se nivela el terreno donde se sitúa el perfil pre-marco, con sus anclajes y accesorios necesarios para su fijación al terreno. Posteriormente, se colocan los tubos de desagüe de baños y cocina, con el correspondiente mallazo de varilla de acero, para posteriormente hormigonar el citado pre-marco, consiguiendo un suelo homogéneo. In a first aspect of the invention the method of assembling prefabricated buildings is claimed, of the type that are constructed with tubular profiles, which is characterized in that first of all the ground where the pre-frame profile is placed, with its anchors and accessories necessary for fixing to the ground. Subsequently, the bath and kitchen drain pipes are placed, with the corresponding steel rod mesh, to later concretize the aforementioned pre-frame, achieving a homogeneous floor.

Tras fijar la base de la casa, se monta la estructura, construida a partir del pre-marco con perfiles tubulares, fabricados generalmente en aluminio en aleaciones con mejor resistencia mecánica que el hierro, como por ejemplo, en aleaciones 6063 para interiorismo y 6082 para las estructuras exteriores. La unión entre los diferentes perfiles tubulares, y se realiza mediante una pluralidad de núcleos sólidos que se encajan en los extremos de los perfiles, y un accesorio encajado en un canal situado en los laterales de los perfiles, gracias al cual se pueden fijar los tabiques y las paredes de la casa. After fixing the base of the house, the structure is built, built from the pre-frame with tubular profiles, usually made of aluminum in alloys with better mechanical resistance than iron, such as 6063 alloys for interior design and 6082 for The outer structures. The union between the different tubular profiles, and is made by a plurality of solid cores that fit at the ends of the profiles, and an accessory embedded in a channel located on the sides of the profiles, thanks to which the partitions can be fixed and the walls of the house.

Finalmente, se monta la cumbrera, acoplando los perfiles tubulares en los laterales y parte inferior de la cumbrera, así como el perfil cumbrera central, en un frontal o en dos. El lateral de la cumbrera se realiza acoplando dos perfiles tubulares que estarán cortados según el esquema de montaje, en el lateral y parte inferior, así como el perfil cumbrera lateral, en un frontal o en dos. Finally, the ridge is mounted, coupling the tubular profiles on the sides and bottom of the ridge, as well as the central ridge profile, on a front or in two. The side of the ridge is made by coupling two tubular profiles that will be cut according to the assembly scheme, on the side and bottom, as well as the side ridge profile, on a front or in two.

Terminado el armazón de la estructura, se comienza a colocar puertas y ventanas de las que se componga cada casa prefabricada así como las cubiertas, paneles y tejas con sus correspondientes accesorios y, por último, se realizará el montaje de las paredes interiores y las instalaciones necesarias para dotar de servicio, a la citada casa prefabrica, tales como agua y luz. Once the framework of the structure is finished, doors and windows from which each prefabricated house is composed, as well as the roofs, panels and tiles with their corresponding accessories, are installed and, finally, the assembly of the interior walls and the installations will be carried out necessary to provide service, to the aforementioned prefabricated house, such as water and electricity.

Por otro lado, en un segundo aspecto de la invención se reivindica el sistema de edificaciones prefabricadas, del tipo de las que están constituidas por una pluralidad de perfiles tubulares, paredes, techo, puertas y ventanas y que se caracteriza porque comprende un primer perfil pre-marco incluyendo una pluralidad de anclajes susceptibles de ser fijados al terrero y un mallazo bajo el cual se sitúan los tubos de desagües. On the other hand, in a second aspect of the invention the system of prefabricated buildings is claimed, of the type that are constituted by a plurality of tubular profiles, walls, roof, doors and windows and characterized in that it comprises a first pre profile -frame including a plurality of anchors capable of being fixed to the ground and a mesh under which the drain pipes are located.

Sobre el citado pre-marco una vez hormigonado se sitúan una pluralidad de perfiles tubulares que a su vez comprenden una pluralidad de núcleos sólidos de unión con el pre-marco y un accesorio encajado en el canal de los laterales de los perfiles para la fijación de los tabiques y las paredes; y donde además la casa comprende una cumbrera acoplada por sus laterales con los citados perfiles tubulares configurados a modo de pilares estructurales de la casa, así como con un perfil cumbrera central para cerrar el conjunto de la estructura. A plurality of tubular profiles are placed on the said pre-frame once concreted, which in turn comprise a plurality of solid cores joining the pre-frame and an accessory fitted in the channel of the sides of the profiles for fixing the partitions and the walls; and where the house also comprises a ridge coupled by its sides with said tubular profiles configured as structural pillars of the house, as well as with a central ridge profile to close the whole structure.

Gracias al sistema y método constructivo descrito, se consigue obtener una edificación prefabricada con un coste ajustado, de sencillo y rápido montaje con una intervención reducida de mano de obra especializada. Thanks to the system and construction method described, it is possible to obtain a prefabricated building with an adjusted cost, simple and quick assembly with a reduced intervention of specialized labor.

ES 2 405 292 A2

A lo largo de la descripción y las reivindicaciones, la palabra “comprende” y sus variantes no pretenden excluir otras características técnicas, aditivos, componentes o pasos. Para los expertos en la materia, otros objetos, ventajas y características de la invención se desprenderán en parte de la descripción y en parte de la práctica de la invención. Los siguientes ejemplos y dibujos se proporcionan a modo de ilustración, y no se pretende que sean limitativos de la presente invención. Además, la presente invención cubre todas las posibles combinaciones de realizaciones particulares y preferidas aquí indicadas. Throughout the description and the claims, the word "comprises" and its variants are not intended to exclude other technical characteristics, additives, components or steps. For those skilled in the art, other objects, advantages and features of the invention will be derived partly from the description and partly from the practice of the invention. The following examples and drawings are provided by way of illustration, and are not intended to be limiting of the present invention. In addition, the present invention covers all possible combinations of particular and preferred embodiments indicated herein.

BREVE DESCRIPCIÓN DE LAS FIGURAS BRIEF DESCRIPTION OF THE FIGURES

A continuación se pasa a describir de manera muy breve una serie de dibujos que ayudan a comprender mejor la invención y que se relacionan expresamente con una realización de dicha invención que se presenta como un ejemplo no limitativo de ésta. A series of drawings that help to better understand the invention and that expressly relate to an embodiment of said invention which is presented as a non-limiting example thereof is described very briefly below.

FIG. 1 muestra una vista del pre-marco que formará el suelo, del sistema de montaje de edificaciones prefabricadas FIG. 1 shows a view of the pre-frame that will form the floor, of the assembly system of prefabricated buildings

FIG. 2 muestra una vista de la estructura tubular de perfiles, que forma parte del sistema de montaje de edificaciones prefabricadas. FIG. 2 shows a view of the tubular profile structure, which is part of the assembly system of prefabricated buildings.

FIG. 3 muestra una vista en detalle, de la estructura completa, que forma parte del sistema de montaje de edificaciones prefabricadas. FIG. 3 shows a detailed view of the complete structure, which is part of the assembly system of prefabricated buildings.

FIG. 4 muestra una vista del canal situado en los laterales de los perfiles, que forman parte del sistema de montaje de edificaciones prefabricadas, objeto de la presente invención. FIG. 4 shows a view of the channel located on the sides of the profiles, which are part of the assembly system of prefabricated buildings, object of the present invention.

FIG. 5 muestra una vista de las paredes de un ejemplo de edificación prefabricada. FIG. 5 shows a view of the walls of an example of prefabricated building.

FIG. 6 muestra una realización práctica de la pieza de refuerzo como parte del sistema de montaje de edificaciones prefabricadas, objeto de la presente invención. FIG. 6 shows a practical embodiment of the reinforcement piece as part of the assembly system of prefabricated buildings, object of the present invention.

FIG. 7 muestra tres realizaciones prácticas de la pieza núcleo sólido (7), en donde la FIG. 7A, muestra una realización práctica unión central (7a); la FIG. 7B muestra la pieza núcleo sólido lateral (7b); y la FIG. 7C muestra la pieza núcleo sólido - cruz intermedia (7c), como parte del sistema de montaje de edificaciones prefabricadas, objeto de la presente invención. FIG. 7 shows three practical embodiments of the solid core part (7), wherein FIG. 7A, shows a practical embodiment central joint (7a); FIG. 7B shows the solid side core part (7b); and FIG. 7C shows the solid core part - intermediate cross (7c), as part of the assembly system of prefabricated buildings, object of the present invention.

FIG. 8 muestra los anclajes necesarios para la fijación del pre-marco al suelo, como parte del sistema de montaje de edificaciones prefabricadas, objeto de la presente invención. FIG. 8 shows the necessary anchors for fixing the pre-frame to the ground, as part of the assembly system of prefabricated buildings, object of the present invention.

FIG. 9 muestra el elemento de unión de tubos, necesario para la extensión del pre-marco, cuando la anchura de la edificación, sea superior a seis metros; como parte del montaje de edificaciones prefabricadas, objeto de la presente invención. FIG. 9 shows the pipe joining element, necessary for the extension of the pre-frame, when the width of the building is greater than six meters; as part of the assembly of prefabricated buildings, object of the present invention.

REALIZACIÓN PREFERENTE DE LA INVENCIÓN PREFERRED EMBODIMENT OF THE INVENTION

En las figuras adjuntas se muestra una realización preferida de la invención. Más concretamente la FIG. 1 muestra un perfil pre-marco (1) fabricado en aluminio, el cual comprende unos anclajes (81) y/o accesorios metálicos en forma de “I”, tal y como muestra la FIG. 8, para la fijación al terreno de dicho pre-marco (1), una vez dicho terreno haya sido nivelado. Posteriormente, y sobre el propio pre-marco (1) se colocan los tubos de desagüe (2) de baños y cocina, con el correspondiente mallazo (3) de varilla de acero, para posteriormente hormigonar el citado pre-marco (1), consiguiendo un suelo (4) homogéneo. A preferred embodiment of the invention is shown in the attached figures. More specifically FIG. 1 shows a pre-frame profile (1) made of aluminum, which comprises anchors (81) and / or "I" shaped metal fittings, as shown in FIG. 8, for fixing to the ground of said pre-frame (1), once said ground has been leveled. Subsequently, and on the pre-frame itself (1) the drain pipes (2) of bathrooms and kitchen are placed, with the corresponding mesh (3) of steel rod, to later concretize the said pre-frame (1), getting a ground (4) homogeneous.

La FIG. 2 muestra la estructura (5) de la casa, construida a partir del pre-marco (1), con perfiles tubulares (6), fabricados generalmente y preferentemente en aluminio. La unión entre los diferentes perfiles tubulares (6), se realiza mediante una pluralidad de núcleos sólidos (7) que se encajan en los extremos de los perfiles; y un accesorio tipo escuadra (15), oculto en el interior de un canal situado en las esquinas del marco principal (1) unidos ambos mediante elementos de unión (14) tal y como muestra la FIG. 4, gracias al cual se pueden fijar los tabiques y las paredes laterales mediante el empleo de una pluralidad de encajes de piezas de refuerzo (11) caracterizadas por tener ser un elemento basculante de refuerzo, ancladas por un lado a la canal situada en el marco principal (1) y por otra a los perfiles tubulares (6) o tabiques, tal y como muestra la FIG. 6. Dichas piezas de refuerzo (11), tienen una gran precisión en la fijación, y normalmente se sitúan en las esquinas de la construcción, de manera que se obtiene una estructura resistente a movimientos sísmicos, ya que permite un cierto grado de oscilación. FIG. 2 shows the structure (5) of the house, built from the pre-frame (1), with tubular profiles (6), generally and preferably made of aluminum. The union between the different tubular profiles (6) is carried out by means of a plurality of solid cores (7) that fit at the ends of the profiles; and a square-type accessory (15), hidden inside a channel located in the corners of the main frame (1) both connected by joining elements (14) as shown in FIG. 4, thanks to which the partitions and side walls can be fixed by means of the use of a plurality of fittings of reinforcement pieces (11) characterized by having a reinforcing tilting element, anchored on one side to the channel located in the frame main (1) and on the other to the tubular profiles (6) or partitions, as shown in FIG. 6. Said reinforcing parts (11), have a great precision in the fixation, and are usually placed in the corners of the construction, so that a structure resistant to seismic movements is obtained, since it allows a certain degree of oscillation.

Los núcleos sólidos (7) son una pieza de unión de varios vástagos (70) que lleva incluida una protuberancia (71) de sección cuadrada encajable en el centro de los perfiles y sujetos mediante un tornillo lateral (72); y que The solid cores (7) are a connecting piece of several stems (70) which includes a protuberance (71) of square section that can be fitted in the center of the profiles and secured by means of a lateral screw (72); and that

ES 2 405 292 A2

dispondrá de tres realizaciones prácticas no limitativas dependiendo de dónde vayan a ser utilizados: unión central (7a), lateral (7b) y cruz intermedia (7c). It will have three practical non-limiting realizations depending on where they will be used: central union (7a), lateral (7b) and intermediate cross (7c).

En el caso de la unión central (7a), el núcleo sólido presenta una forma trapezoidal, en donde lateralmente se encajan sendos vástagos (70) de forma inclinada, un tercer vástago se inserta frontalmente en el lado opuesto a la protuberancia (71), y finalmente un cuarto vástago (70) se fija en su parte inferior, tal y como muestra la FIG. 7A. En el caso del núcleo sólido empleado en los laterales (7b), dicho núcleo sólido (7) tendrá una forma especialmente diseñada, para la unión de cinco vástagos (70), dos de ellos, vendrán insertados por sus laterales, otro de ellos, lo hará desde su parte inferior, y en la parte frontal, enfrentado al lugar opuesto de donde está dispuesta la protuberancia (71), se encajan dos vástagos (70), uno de los cuales estará dispuesto de forma inclinada respecto al otro, tal y como se muestra en la FIG. 7B. Por último, el núcleo empleado en la cruz intermedia (7c), tiene una forma trapezoidal en la que se encajan tres vástagos (70), dos de ellos de forma lateral e inclinados ambos, y un tercer vástago (70) que es insertado en la parte inferior de la pieza (7c), tal y como se observa en la FIG. 7C. In the case of the central joint (7a), the solid core has a trapezoidal shape, where laterally each rod (70) is inclined in an inclined manner, a third rod is inserted frontally on the side opposite the protuberance (71), and finally a fourth rod (70) is fixed in its lower part, as shown in FIG. 7A. In the case of the solid core used on the sides (7b), said solid core (7) will have a specially designed shape, for the union of five stems (70), two of them, will be inserted by its sides, another one of them, it will do so from its lower part, and in the front part, facing the opposite place where the protuberance is arranged (71), two rods (70) are fitted, one of which will be arranged inclined with respect to the other, as and as shown in FIG. 7B. Finally, the core used in the intermediate cross (7c), has a trapezoidal shape in which three stems (70) are fitted, two of them laterally and inclined both, and a third stem (70) that is inserted into the lower part of the piece (7c), as seen in FIG. 7C.

Tal y como muestra la FIG. 3, la cumbrera (8), se realizará de forma muy sencilla acoplando los perfiles tubulares As shown in FIG. 3, the ridge (8), will be made very simply by coupling the tubular profiles

(6) en los laterales y parte inferior de la cumbrera (8), así como el perfil cumbrera central (9), en un frontal o en dos, según sea necesario, y unidos mediante la utilización de los núcleos sólidos (7) necesarios. Del mismo modo, el montaje del lateral cumbrera (8), se realizará acoplando dos perfiles tubulares (6), que estarán cortados según el esquema de montaje, en el lateral y parte inferior, así como el perfil cumbrera lateral (9), en un frontal o en dos, según sea igualmente necesario. (6) on the sides and bottom of the ridge (8), as well as the central ridge profile (9), on a front or in two, as necessary, and joined by using the necessary solid cores (7) . In the same way, the assembly of the lateral ridge (8), will be done by coupling two tubular profiles (6), which will be cut according to the assembly scheme, on the side and bottom, as well as the lateral ridge profile (9), in a front or in two, as equally necessary.

Posteriormente se unirán solidariamente los paneles (12) que formarán dicha cumbrera (8), siendo estos preferentemente de tipo sándwich, tipo teja o bien nervados, para por último añadir los remates de dicho tejado y los canalones necesarios para evacuar las aguas pluviales. Subsequently, the panels (12) that will form said ridge (8) will be joined in solidarity, these being preferably of the sandwich type, tile type or ribbed, to finally add the ends of said roof and the gutters necessary to evacuate the rainwater.

Asimismo, los paneles (12) exteriores son de forma general de tipo sándwich con un núcleo de material aislante u otras soluciones con características técnicas similares, fijados mediante una pluralidad de elementos de fijación (13), como por ejemplo, grapas a la estructura que está unida al marco principal (1). Likewise, the outer panels (12) are generally of the sandwich type with a core of insulating material or other solutions with similar technical characteristics, fixed by a plurality of fixing elements (13), such as, for example, staples to the structure that It is attached to the main frame (1).

Tal y como muestra la FIG. 5, una vez montada la estructura, y siguiendo los pasos anteriores, se colocarán los pre-marcos para las puertas y ventanas (10), con medidas y configuración ajustables según la composición de las mismas; convenientemente fijados en las paredes laterales mediante una pluralidad de elementos de fijación (13), tipo tornillos o grapas. Por último, se realizará el montaje de las paredes interiores y las instalaciones necesarias para dotar de servicio, a la citada casa prefabricada, tales como agua y luz. As shown in FIG. 5, once the structure is assembled, and following the previous steps, the pre-frames for the doors and windows (10) will be placed, with adjustable measurements and configuration according to their composition; conveniently fixed on the side walls by a plurality of fasteners (13), such as screws or clips. Finally, the assembly of the interior walls and the facilities necessary to provide service to the aforementioned prefabricated house, such as water and electricity, will be carried out.

Toda la estructura estará unida mediante una pluralidad de elementos de unión (14) atornillados. The entire structure will be joined by a plurality of bolted connection elements (14).

Por último, cuando el ancho de la edificación sea superior a seis metros se deberá introducir un elemento de unión de tubos (91), de carácter metálico, el cual irá solidariamente insertado en la parte inferior del pre-marco Finally, when the width of the building is greater than six meters, a metal pipe connecting element (91) must be introduced, which will be jointly inserted in the lower part of the pre-frame

(1) y en el que se acoplarán tantos tramos sean necesarios para la construcción de la edificación, tal y como muestra la FIG. 9. (1) and in which so many sections are necessary for the construction of the building, as shown in FIG. 9.

ES 2 405 292 A2

Claims

1.- Construction method of prefabricated buildings, of the type that are constructed with tubular profiles (6), characterized in that:

a) firstly, the ground where the pre-frame profile (1) is placed, with its anchors (81) and / or metal accessories in the form of "I", necessary for its fixation to the ground;

b) the drain pipes (2) of bathrooms and kitchen are placed, with the corresponding mesh (3) of steel rod, to later concretize the aforementioned pre-frame (1), obtaining a homogeneous floor (4);

c) the structure (5) of the building is assembled, constructed from the pre-frame (1), with tubular profiles (6), generally made of aluminum. The union between the different tubular profiles (6), and is carried out by means of a plurality of solid cores (7), defined as a connecting piece of several stems

(70) which includes a protuberance (71) of square section that can be fitted in the center of the profiles and fastened by means of a side screw (72) that fit into the ends of the profiles; a square-type accessory (15), embedded in a channel located on the sides of the profiles that together with the use of a plurality of reinforcement piece fittings (11) characterized by having a reinforcing tilting element, anchored on one side to the channel located in the main frame (1) and on the other to the tubular profiles (6) or partitions, the partitions and walls of the house can be fixed;

d) the ridge (8) is mounted, coupling the tubular profiles (6) on the sides and bottom of the ridge (8), as well as the central ridge profile (9), on a front or in two and joined by the use of a plurality of solid cores (7); the side of the ridge (8), is done by coupling two tubular profiles (6), which will be cut according to the assembly scheme, on the side and bottom, as well as the side ridge profile (9), on a front or two; Subsequently, the panels (12) that will form said ridge (8) are joined together, these being preferably of the sandwich type, tile type or ribbed, to finally add the finishes of said roof and the gutters necessary to evacuate the rainwater;

e) once the structure is assembled, the pre-frames for the doors and windows (10) are started, conveniently fixed on the side walls by means of a plurality of fixing elements (13), such as screws or clips; Y

f) Finally, the assembly of the interior walls and the facilities necessary to provide service to the aforementioned prefabricated house, such as water and electricity, will be carried out.

2. Method according to claim 1, characterized in that when the width of the building is greater than six meters, it comprises a connecting element of tubes (91), of a metallic nature, which will be integrally inserted in the lower part of the pre framework (1) and in which as many pre-frame sections (1) as necessary for the construction of the building will be coupled.

3.- Construction system of prefabricated buildings, of the type that are constituted by a plurality of tubular profiles (6), walls, roof, doors and windows (10) and that is characterized in that it comprises a first pre-frame profile (1 ) including a plurality of anchors capable of being fixed to the ground and a mesh (3) under which the drain pipes (2) are placed; and where on the aforementioned pre-frame (1) once concreted a plurality of tubular profiles (6) are placed which in turn comprise a plurality of solid cores (7) joining with the pre-frame (1) and an accessory square type (15) embedded in the channel of the sides of the profiles that together with the use of a plurality of reinforcement pieces (11) serve to fix the partitions and walls; and where the house also comprises a ridge (8) coupled at its sides with said tubular profiles (6) configured as structural pillars (5) of the house, as well as with a central ridge profile (9) to close the assembly of the structure, joined by means of a plurality of solid cores; fixed and / or joined by the use of a plurality of fasteners (13) and joining elements (14).

4. Building materialized according to the construction method according to claim 1 and / or comprising the construction system according to claim 2.