ES2229899B1 - DEVICE FOR THE FORMATION OF CHAFLANES IN PILLARS OF ARMED CONCRETE. - Google Patents
DEVICE FOR THE FORMATION OF CHAFLANES IN PILLARS OF ARMED CONCRETE.Info
- Publication number
- ES2229899B1 ES2229899B1 ES200301150A ES200301150A ES2229899B1 ES 2229899 B1 ES2229899 B1 ES 2229899B1 ES 200301150 A ES200301150 A ES 200301150A ES 200301150 A ES200301150 A ES 200301150A ES 2229899 B1 ES2229899 B1 ES 2229899B1
- Authority
- ES
- Spain
- Prior art keywords
- profile
- formwork
- faces
- chamfers
- wing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/004—Strips for creating a chamfered edge
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
Dispositivo para la formación de chaflanes en pilares de hormigón armado. El dispositivo comprende un perfil triangular de un material dotado de resiliencia, destinado a quedar adaptado en cada arista del pilar determinada entre dos caras de encofrado sucesivas, presentando dicho perfil una amplia ala en prolongación para permitir su tensado y adaptación a las caras de encofrado previamente al vertido del hormigón, desde el exterior del encofrado.Device for the formation of chamfers in reinforced concrete pillars. The device comprises a triangular profile of a material endowed with resilience, intended to be adapted at each edge of the determined pillar between two successive formwork faces, said profile having a wide extending wing to allow its tensioning and adaptation to the formwork faces previously when pouring concrete, from outside the formwork.
Description
Dispositivo para la formación de chaflanes en pilares de hormigón armado.Chamfering device in reinforced concrete pillars.
La presente invención se refiere a un dispositivo para la formación de chaflanes en pilares de hormigón armado que presenta importantes características de novedad y de actividad inventiva.The present invention relates to a device for the formation of chamfers in reinforced concrete pillars that it presents important characteristics of novelty and activity inventiveness.
El encofrado de pilares de hormigón armado presenta la dificultad de la definición correcta de las aristas. En efecto, dada la debilidad de una arista viva, ésta es fácilmente vulnerable a desconchados y roturas que afean el acabado de la columna. Además, se producen frecuentemente fugas de hormigón entre los elementos de encofrado. Por ello se han ideado diferentes métodos, la mayor parte de ellos artesanales, para encofrar el pilar de forma que se substituyan las aristas vivas por chaflanes.The reinforced concrete pillar formwork presents the difficulty of the correct definition of the edges. In effect, given the weakness of a living edge, this is easily vulnerable to chipping and breakage that affect the finish of the column. In addition, concrete leaks frequently occur between The formwork elements. That is why they have devised different methods, most of them handmade, to form the pillar so that the living edges are replaced by chamfers.
No obstante, en la actualidad no se disponen de medios técnicos propiamente industriales que permitan la realización de los chaflanes en pilares de obra de manera racional y económica.However, currently there are no properly industrial technical means that allow the realization of the chamfers in pillars of work in a rational way and economical
Por todo lo anterior ha sido un objetivo del inventor el investigar y poner a punto dispositivos que permitan realizar los chaflanes en pilares de obra de manera rápida, repetitiva y económica, habiendo conseguido la presente invención.For all the above it has been an objective of inventor investigating and fine-tuning devices that allow make chamfers on pillars quickly, repetitive and economical, having achieved this invention.
De modo esencial, el dispositivo objeto de la presente invención se propone conseguir los siguientes objetivos.Essentially, the device subject to the The present invention aims to achieve the following objectives.
- Manejo fácil del dispositivo para la realización del encofrado de los chaflanes;- Easy operation of the device for realization of the formwork of the chamfers;
- automatismo en la colocación efectiva de trabajo del dispositivo;- automatism in the effective placement of device work;
- estanqueidad del dispositivo en cada esquina achaflanada del pilar, impidiendo la salida del hormigón hacia los intersticios del encofrado, evitando ensuciamientos y contaminaciones de engorrosa solución;- tightness of the device in each corner chamfering of the pillar, preventing the exit of the concrete towards the formwork interstices, avoiding fouling and Contamination of cumbersome solution;
- fabricación económica; y- economic manufacturing; Y
- aplicación de un mismo dispositivo a una amplia gama de encofrados de pilares.- application of the same device to a wide pillar formwork range.
Para conseguir los objetivos mencionados, el dispositivo objeto de la presente invención está constituido por un perfil prismático triangular destinado a coincidir en cada arista del encofrado del pilar para determinar el chaflán, por lo que dicho perfil presentará dos lados destinados a acoplarse a las caras internas del encofrado del pilar, y un tercer lado destinado a determinar el chaflán, contando con una larga pestaña prolongación del dispositivo que permite su colocación y manipulación desde el exterior del encofrado del pilar, y contando con características inventivas específicas para conseguir una elevada estanqueidad y perfecta adaptación a las caras de encofrado del pilar. Para ello, el perfil de estanqueización está realizado en un material sintético dotado de una cierta resiliencia, de manera que los dos lados destinados a coincidir con dos caras adyacentes del encofrado del pilar presenten una cierta diferencia de ángulo con respecto a dichas paredes, según un reducido valor, de manera que en su colocación el perfil quedará dispuesto formando ángulos agudos de valor muy reducido con una y otra caras del encofrado. El tensado del dispositivo por un ala prolongación del perfil que accede al exterior de los elementos de encofrado del pilar permite, dadas las características elásticas del material, la buena adaptación de los lados del perfil sobre las caras de encofrado, logrando una elevada estanqueidad, lo cual se optimiza por la disposición de sendas pestañas de estanqueidad en prolongación de las aristas del perfil triangular. Asimismo, para producir el tensado del ala que es prolongación del perfil triangular, la presente invención prevé la disposición de un orificio pasante para la sujeción del dispositivo en uno de los paramentos de encofrado del pilar, existiendo una pequeña diferencia de altura entre el eje del orificio del dispositivo y el eje del orificio de montaje, manera que al ser introducido un perno de acoplamiento, en el momento del montaje adopta una pequeña inclinación por el descentramiento mencionado, pero al apretar el perno, por ejemplo, mediante la correspondiente tuerca o una palomilla, se producirá el centrado y enderezado del perno en el orificio de montaje, lo cual se traducirá en un efecto de tracción sobre el ala prolongación del dispositivo, que es la acción que produce realmente la aplicación firme y estanca de los lados y bordes del perfil triangular sobre las caras de encofrado.To achieve the aforementioned objectives, the device object of the present invention is constituted by a triangular prismatic profile intended to match on each edge of the pillar formwork to determine the chamfer, so that profile will feature two sides intended to fit the faces internal formwork of the pillar, and a third side intended for determine the chamfer, with a long extension tab of the device that allows its placement and handling from the exterior of the pillar formwork, and having features specific inventories to achieve high tightness and Perfect adaptation to the pillar formwork faces. For it, the sealing profile is made of a synthetic material endowed with a certain resilience, so that both sides intended to coincide with two adjacent faces of the formwork of the pillar present a certain angle difference with respect to said walls, according to a reduced value, so that in their placement the profile will be arranged forming acute angles of Very low value with both sides of the formwork. Tensioning of the device by an extension wing of the profile that accesses the outside the pillar formwork elements allows, given the elastic characteristics of the material, the good adaptation of sides of the profile on the formwork faces, achieving a high tightness, which is optimized by the arrangement of paths sealing tabs in prolongation of the edges of the profile triangular. Also, to produce the tension of the wing which is prolongation of the triangular profile, the present invention provides for arrangement of a through hole for securing the device in one of the pillar formwork walls, there is a small height difference between the hole axis of the device and the axis of the mounting hole, so that being introduced a coupling bolt, at the time of assembly adopts a small inclination for the mentioned runout, but when tightening the bolt, for example, by means of the corresponding nut or a moth, the centering and straightening of the bolt in the mounting hole, which will result in an effect of traction on the extension wing of the device, which is the action that really produces the firm and tight application of sides and edges of the triangular profile on the faces of formwork
Para su comprensión se adjuntan, a título de ejemplo explicativo pero no limitativo, unos dibujos de realizaciones preferentes de la presente invención.For your understanding are attached, by way of explanatory but not limiting example, some drawings of Preferred embodiments of the present invention.
La figura 1 muestra esquemáticamente una vista en sección que representa el dispositivo objeto de la invención en situación de montaje.Figure 1 schematically shows a view in section representing the device object of the invention in mounting situation.
La figura 2 es una vista similar a la figura 1 mostrando el dispositivo completamente montado.Figure 2 is a view similar to Figure 1 Showing the device fully assembled.
La figura 3 muestra una sección en detalle y a mayor escala del dispositivo objeto de la invención.Figure 3 shows a section in detail and a larger scale of the device object of the invention.
Las figuras 4 y 5 son sendas vistas en perspectiva de sendas realizaciones de la presente invención.Figures 4 and 5 are paths seen in perspective of two embodiments of the present invention.
Las figuras 6 y 7 son vistas representativas de un caso de ejecución del dispositivo según la presente invención.Figures 6 and 7 are representative views of a case of execution of the device according to the present invention.
La figura 8 muestra una sección transversal de un pilar dotado del dispositivo objeto de la presente invención.Figure 8 shows a cross section of a abutment provided with the device object of the present invention.
En la figura 8 se ha representado el encofrado de un pilar de hormigón (1), en una ejecución muy habitual de pilar cuadrado o rectangular. El encofrado se realiza mediante cuatro elementos (2), (3), (4) y (5) que enlazan entre sí cerrando el espacio que recibirá el hormigón para determinar el pilar (1). De acuerdo con la presente invención, en cada una de las esquinas se dispondrá un dispositivo tal como se muestra esquemáticamente en las figuras 1, 2, 6 y 7.Figure 8 shows the formwork of a concrete pillar (1), in a very common pillar execution square or rectangular The formwork is done by four elements (2), (3), (4) and (5) that link together by closing the space the concrete will receive to determine the pillar (1). From according to the present invention, in each of the corners will have a device as shown schematically in the Figures 1, 2, 6 and 7.
De acuerdo con la presente invención, el dispositivo de encofrado comprende un perfil (6), preferentemente hueco y realizado en un material dotado de cierta resiliencia, tal como puede ser un material plástico, que adopta forma de triángulo, preferentemente isósceles, cuyos lados más cortos (7) y (8) están destinados a adaptarse en las caras internas del encofrado, respectivamente (9) y (10). El lado más largo (11) determinará un chaflán en el muro encofrado, tal como se puede apreciar en las figuras 6, 7 y 8. El perfil (6) se prolonga en una larga ala (12) que sobresale lateralmente de la pared de encofrado (10) permitiendo su colocación correcta y su manipulación desde el exterior del encofrado.In accordance with the present invention, the formwork device comprises a profile (6), preferably hollow and made of a material endowed with some resilience, such such as a plastic material, which takes the form of a triangle, preferably isosceles, whose shorter sides (7) and (8) are intended to adapt to the internal faces of the formwork, respectively (9) and (10). The longest side (11) will determine a chamfer on the formwork wall, as can be seen in the Figures 6, 7 and 8. The profile (6) extends over a long wing (12) protruding laterally from the formwork wall (10) allowing correct placement and handling from outside the formwork
Tal como se observa en la figura 3, el perfil (6) presenta sus lados (7) y (8) formando sendos ángulos \alpha y \beta con respecto a la vertical y a la horizontal respectivamente. Por esta razón, en fase de montaje el perfil adopta la disposición mostrada en la figura 1, en la que se aprecia que el contacto del perfil con las caras de encofrado (9) y (10)tiene lugar por los vértices del perfil mencionado y de manera más precisa por los extremos de sendas pestañas o perfiles (13) y (14) que son prolongaciones de las aristas correspondientes, constituidas en un material de mayor elasticidad íntimamente unido al perfil (6) y terminado en cuchilla para permitir una buena adaptación a las caras de encofrado.As can be seen in figure 3, the profile (6) presents its sides (7) and (8) forming two angles α and ? with respect to the vertical and the horizontal respectively. For this reason, in the assembly phase the profile adopts the arrangement shown in figure 1, in which it is appreciated that the profile contact with formwork faces (9) and (10) takes place by the vertices of the mentioned profile and of more precisely by the ends of individual tabs or profiles (13) and (14) which are extensions of the corresponding edges, constituted in a material of greater elasticity intimately linked to the profile (6) and finished in blade to allow a good adaptation to formwork faces.
Los ángulos \alpha y \beta tendrán valores variables determinados por la experiencia, debiendo ser del mínimo valor que permita el correcto tensado del perfil sobre las caras de encofrado. En la práctica se ha observado que son valores recomendables los comprendidos entre 1 y 5 grados y de modo más concreto, unos 3 grados aproximadamente.The angles α and β will have values variables determined by experience, must be of the minimum value that allows the correct tensioning of the profile on the faces of formwork In practice it has been observed that they are values recommended between 1 and 5 degrees and more concrete, about 3 degrees.
El ala (12) recibirá una acción de tracción para que, aprovechando la elasticidad del perfil, se pueda producir una correcta adaptación a las caras de encofrado, tal como se observa en la figura 2.The wing (12) will receive a tensile action to which, taking advantage of the elasticity of the profile, can produce a proper adaptation to formwork faces, as seen in Figure 2
Una forma preferente de producir dicho tensado estriba en aprovechar el montaje de los pernos de fijación (15) que en fase inicial quedan dispuestos con una ligera inclinación por el descentrado del orificio correspondiente (16) del ala (12) con respecto al eje del orificio en que se incorpora el perno (15), que podrá quedar fijado mediante una tuerca o palomilla (17). Ello exigirá que el orificio (16) quede en la posición inicial de montaje a una altura algo superior a la del eje del orificio en que se incorpora el perno (15), lo cual, en el momento de apriete de la tuerca o palomilla (17), provocará un esfuerzo sobre el borde inferior del orificio (16), que se transformará en la tracción sobre el ala (12) necesaria para producir la adaptación representada en la figura 2.A preferred way of producing said tension is to take advantage of the mounting of the fixing bolts (15) that in initial phase they are arranged with a slight inclination for the offset from the corresponding hole (16) of the wing (12) with with respect to the axis of the hole in which the bolt (15) is incorporated, which It may be fixed by means of a nut or a pin (17). It it will require that the hole (16) be in the initial mounting position at a height somewhat higher than the axis of the hole in which incorporates the bolt (15), which, at the moment of tightening the nut or moth (17), will cause an effort on the edge bottom of the hole (16), which will be transformed into traction on the wing (12) necessary to produce the adaptation represented in the figure 2.
La realización del perfil con su ala (12) podrá tener lugar, tal como se ha representado en las figuras 4 y 5, según otras variantes tales como las representadas, quedando dotado en el primer caso de orificios circulares (16) y en el segundo, de orificios colisos (18) que permitirán una mejor adaptación a diferentes estructuras concretas del encofrado.The realization of the profile with its wing (12) may take place, as depicted in figures 4 and 5, according to other variants such as those represented, being endowed in the first case of circular holes (16) and in the second, of colossal holes (18) that will allow a better adaptation to different concrete formwork structures.
En el ejemplo de realización de las figuras 6 y 7, que corresponde esquemáticamente a una ejecución real, se representa el perfil (6) según la invención con su ala (12) y un perno de sujeción (19) con un pomo de apriete o palomilla (20), siendo la realización por lo demás idéntica a las figuras anteriormente explicadas. En la figura 6 se aprecia la posición de montaje y en la figura 7, la posición de incorporación completa apropiada para el vertido del hormigón.In the exemplary embodiment of figures 6 and 7, which schematically corresponds to a real execution, is represents the profile (6) according to the invention with its wing (12) and a clamping bolt (19) with a clamping knob or a handle (20), the realization being otherwise identical to the figures previously explained. Figure 6 shows the position of assembly and in figure 7, the full incorporation position appropriate for concrete pouring.
Se comprende que mediante el dispositivo objeto de la presente invención se posibilita la realización de chaflanes en pilares hormigonados de forma efectiva y económica, racionalizando el trabajo para dicha labor.It is understood that by the object device of the present invention it is possible to make chamfers on concreted pillars effectively and economically, streamlining work for such work.
Todo cuanto no afecte, altere, cambie o modifique la esencia del dispositivo descrito, será variable a los efectos de la presente invención.Everything that does not affect, alter, change or modify The essence of the described device will be variable for the purposes of The present invention.
Claims (4)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200301150A ES2229899B1 (en) | 2003-05-19 | 2003-05-19 | DEVICE FOR THE FORMATION OF CHAFLANES IN PILLARS OF ARMED CONCRETE. |
| EP04380108A EP1479852A1 (en) | 2003-05-19 | 2004-05-14 | Device for the formation of chamfers on reinforced concrete pillars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200301150A ES2229899B1 (en) | 2003-05-19 | 2003-05-19 | DEVICE FOR THE FORMATION OF CHAFLANES IN PILLARS OF ARMED CONCRETE. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2229899A1 ES2229899A1 (en) | 2005-04-16 |
| ES2229899B1 true ES2229899B1 (en) | 2006-02-16 |
Family
ID=33041276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200301150A Expired - Fee Related ES2229899B1 (en) | 2003-05-19 | 2003-05-19 | DEVICE FOR THE FORMATION OF CHAFLANES IN PILLARS OF ARMED CONCRETE. |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1479852A1 (en) |
| ES (1) | ES2229899B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0718690D0 (en) * | 2007-09-26 | 2007-10-31 | Bald Andy W A | Corner shutter pack |
| US10975585B2 (en) | 2018-10-15 | 2021-04-13 | Peri Formwork Systems, Inc. | Connection assembly for formwork |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2940152A (en) * | 1956-03-14 | 1960-06-14 | Superior Concrete Accessories | Concrete form and chamfer corner strip therefor |
| DE2260334A1 (en) * | 1972-12-09 | 1974-06-12 | Wilhelm Bruederl | PLASTIC FORMWORK STRIP FOR VISIBLE CONCRETE PARTS |
| US3945601A (en) * | 1973-03-23 | 1976-03-23 | Rowley Edward C | Knock-down reusable column form |
| US5616271A (en) * | 1994-07-05 | 1997-04-01 | Symons Corporation | Concrete forming chamfer strip |
| US6322045B1 (en) * | 1997-08-04 | 2001-11-27 | Chris Andros | Rapid forming system for tilt-up pre-cast concrete wall panels (tilt panel screed system-tipss) |
| US6398180B1 (en) * | 1999-10-14 | 2002-06-04 | Miller-Valentine Construction Inc. | Extruded plastic bulkhead device for forming concrete panels |
| ES2179774B1 (en) * | 2001-04-18 | 2003-12-16 | Ingenieria Encofrados Servi Sl | FORMWORK FOR THE SHARPENING OF EDGES OF WORK ELEMENTS. |
| ES1049094Y (en) * | 2001-04-27 | 2002-03-16 | Encofrados J Alsina Sa | DEVICE FOR THE FORMATION OF CHAFLANES IN ENCOFRADOS. |
| US6702247B2 (en) * | 2001-07-31 | 2004-03-09 | Fukuvi Usa, Inc. | Tilt-up construction chamfers |
-
2003
- 2003-05-19 ES ES200301150A patent/ES2229899B1/en not_active Expired - Fee Related
-
2004
- 2004-05-14 EP EP04380108A patent/EP1479852A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ES2229899A1 (en) | 2005-04-16 |
| EP1479852A1 (en) | 2004-11-24 |
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