Formwork System for a Wall Element, Comprising a Free-Standing Frame Section

Abstract

A formwork system for a wall element, comprising at least one formwork panel, at least one connection component, and at least one frame section, wherein the connection component comprises at least one frame interface, which is designed to be releasably connected to a frame section, and at least one formwork interface, which is designed to be releasably connected to the formwork panel. The at least one connection component is connected here with its frame interface to the frame section, and the connection component is connected with its formwork interface to the at least one formwork panel. The connection between the connection component and the formwork panel and/or the connection between the connection component and the frame section is designed to be releasable when the system is constructed, and the frame section can be separated from the formwork panel.

The invention claimed is: 
     
         1 . A formwork system for a wall element, comprising at least one formwork panel, at least one connection component, and at least one frame section,
 wherein the frame section comprises a plurality of vertical posts and a plurality of horizontal bars and the frame section extends in three spatial directions,   wherein the formwork panel comprises a framework and a formwork skin, wherein the framework has a plurality of longitudinal struts and a plurality of cross struts, wherein the longitudinal struts) and the cross struts are arranged substantially perpendicular to one another, and the formwork skin can be releasably fastened to the framework, wherein, in a connected state, the formwork skin rests on at least a portion of the longitudinal struts and the cross struts, wherein at least a part of the longitudinal struts and/or cross struts has an undercut which is oriented in the longitudinal direction of the longitudinal struts and/or cross struts, wherein the undercut is provided for the form-fitting and frictionally engaged connection to the formwork interface of a connection component,   wherein the connection component comprises at least one frame interface which is provided for releasable connection to the frame section and comprises at least one formwork interface which is provided for releasable connection to the formwork panel, wherein the formwork interface comprises at least one clamping element and the clamping element comprises at least two gripping arms, wherein at least one of the gripping arms is designed to be movable relative to another gripping arm, wherein the distance between the at least two gripping arms is designed to be adjustable,   wherein the at least one connection component is connected with its frame interface to the frame section and the connection component is connected with its formwork interface to the at least one formwork panel, wherein the gripping arms of the clamping element engage in the undercut on the framework of the formwork panel at least in regions, as a result of which at least one form-fitting connection between the formwork interface and the formwork panel is present, wherein this connection can be arbitrarily positioned along the undercut, whereby the relative position between the connection component and the formwork panel is designed to be adjustable in a direction parallel to the running direction of the undercut,   wherein the connection between the connection component and the formwork panel and/or the connection between the connection component and the frame section is designed to be releasable when the system is constructed, and thus the frame section can be separated from the formwork panel, wherein the frame section can be used as a free-standing frame section after being separated from the formwork panel.   
     
     
         2 . The system according to  claim 1 , wherein a support element is provided which is connected to the formwork interface and the frame interface, wherein the formwork interface and the frame interface are arranged at a distance from one another on the support element, and the support element has a longitudinal axis and the formwork interface and the frame interface are arranged at a distance from one another along the longitudinal axis, and wherein the longitudinal axis is oriented substantially parallel to the surface of the formwork skin or substantially perpendicular to the surface of the formwork skin. 
     
     
         3 . The system according to  claim 2 , wherein a compensating element is provided, which is arranged between the support element and the frame interface, wherein the compensating element has a linear bearing by which the frame interface and the support element can be displaced relative to the support element at least in regions in a direction parallel to the longitudinal axis of the support element. 
     
     
         4 . The system according to  claim 1 , wherein two frame interfaces and two formwork interfaces are provided, which are each arranged at a distance from one another on a common support element and/or the clamping element has an unlocking mechanism which can be actuated by a simple linear or rotational movement, wherein the form fit between the formwork interface and the formwork panel can be undone by actuating the unlocking mechanism. 
     
     
         5 . The system according to  claim 1 , wherein the undercut on the framework of the formwork panel is designed as a groove which is oriented in the longitudinal direction of the longitudinal struts and/or cross struts, wherein the groove has a U-shaped, rectangular or curved cross-section. 
     
     
         6 . The system according to  claim 1 , wherein at least two connection components are provided and each connection component has at least two formwork interfaces, and the formwork panel has a plurality of cross struts with an undercut arranged thereon at least in regions, wherein the distance between the at least two formwork interfaces on the connection component corresponds to an integer multiple of the distance between two adjacent cross struts of the formwork panel. 
     
     
         7 . The system according to  claim 1 , wherein the clamping element has an intermediate post on which the two gripping arms are arranged, wherein the longitudinal direction of the intermediate post runs substantially parallel to the direction of movement of at least one gripping arm, and wherein at least one frame interface is arranged on the intermediate post, which frame interface corresponds in shape and size to an interface in the frame section. 
     
     
         8 . A method for producing a wall element, comprising the steps of
 A) setting up an adjustable formwork which comprises at least one formwork panel,   B) fastening a reinforcement to the set-up adjustable formwork,   C) setting up a closing formwork, wherein the adjustable formwork and the closing formwork delimit the spatial region in which the wall element is provided and wherein the reinforcement is arranged between the adjustable formwork and the closing formwork, and wherein the closing formwork is formed by a system according to  claim 1 , the formwork panel of which is oriented toward the reinforcement, and the frame section of the system is arranged on the side of the formwork panel opposite the adjustable formwork,   D) preparing the formwork for the filling of a liquid material between the adjustable formwork and the closing formwork,   E) filling the formwork with a liquid material,   F) curing the material, whereby this material forms the wall element together with the reinforcement,   G) separating the formwork panel from the frame section, wherein the frame interface of the connection component is detached from the frame section or the formwork interface of the connection component is detached from the formwork panel,   H) removing the formwork panel, the frame section remaining in an unchanged position,   I) processing the cast wall element from the frame section.   
     
     
         9 . The method according to  claim 8 , wherein the formwork panel, the frame section, and the at least one connection component of the system are assembled prior to carrying out method step C). 
     
     
         10 . A method for producing a wall element, comprising the steps of
 I) constructing a system according to  claim 1 , wherein the at least one connection component is connected with its frame interface to the frame section and with its formwork interface to the formwork panel, and wherein the system forms an adjustable formwork,   II) fastening a reinforcement to the formwork skin of the formwork panel of the system, wherein the reinforcement is fastened from the frame section,   III) setting up a closing formwork, wherein the closing formwork is introduced between the formwork panel and the frame section, and wherein the closing formwork and the formwork skin of the formwork panel delimit the spatial region in which the wall element is provided, and wherein the reinforcement is arranged between the closing formwork and the formwork panel,   IV) preparing the formwork for the filling of a liquid material between the adjustable formwork and the closing formwork,   V) filling the formwork with a liquid material,   VI) curing the material, whereby this material forms the wall element together with the reinforcement,   VII) separating the formwork panel from the frame section, wherein the frame interface of the connection component is detached from the frame section or the formwork interface of the connection component is detached from the formwork panel, and removing the formwork panel,   VIII) removing the closing formwork, the frame section remaining in an unchanged position,   IX) final processing of the cast wall element from the frame section.   
     
     
         11 . The method according to  claim 10 , wherein in method step I) the formwork panel and the frame section are constructed at a distance from one another and the length of the at least one connection component is equal to or greater than the thickness of the wall element to be produced. 
     
     
         12 . The method according to claim  12 , wherein in method step I), the frame section is constructed on the underlying surface as in the case of application or the frame section is placed on the underlying surface for construction. 
     
     
         13 . The system according to  claim 1 , wherein the gripping arms of the clamping element engage in the undercut on the framework of the formwork panel at least in regions, as a result of which at least one form-fitting and also a frictionally engaged connection between the formwork interface and the formwork panel is present. 
     
     
         14 . The system according to  claim 2 , wherein the support element is rod-shaped. 
     
     
         15 . The method according to  claim 8 , wherein in method step E), anchors are introduced which connect the adjustable formwork and the closing formwork to one another. 
     
     
         16 . The method according to  claim 10 , wherein in method step IV), anchors are introduced which connect the adjustable formwork and the closing formwork to one another.