Self-Stripping Corner Form with Hydraulic Actuation
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Solution Overview
Problem
Existing concrete forming systems face difficulties in stripping the inside corner forms from a concrete structure due to the geometry of the corner and pressure exerted by the poured concrete, making it challenging to disassemble and remove the form components efficiently.
Innovation Solution
A self-stripping corner form apparatus with a rigid, angled form member and linear actuator system that moves form extensions between a pour position and a stripped position, allowing for easy removal using hydraulic power, facilitating the integration with conventional wall form components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional inside corner forms are used, then the form can support concrete pressure during pouring, but the form components become difficult to disassemble and release from the wall after concrete sets
Solution Approach 1:
The form component incorporates movable form extensions that can transition between a fixed position during pouring and a movable position during stripping. The extensions are mounted on slides or tracks, allowing them to be dynamically repositioned from their original contact position with the concrete to a retracted position that facilitates easy removal, thus resolving the contradiction between maintaining form stability during pouring and enabling easy stripping after setting.
2Ease of operation
If hydraulic actuation is added to enable easy stripping, then form removal becomes efficient, but device complexity increases
Solution Approach 1:
The invention incorporates hydraulic cylinders connected to the movable form extensions. These hydraulic actuators provide the force necessary to move the extensions from their fixed position during pouring to a retracted position during stripping. The hydraulic system integrates with existing construction site infrastructure, enabling efficient form removal while maintaining reasonable system complexity through standardized hydraulic components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient and easy removal of the form from the concrete structure after curing, reducing the effort required for disassembly and enhancing the usability of the form components by utilizing hydraulic actuation to move the form extensions from a coplanar pour position to a retracted strip position.
Implementation Method 1
A linear actuator extends between a mounting point on the rigid, angled form member and mounting bracket affixed to the post
Implementation Method 2
A pair of arms are pivotally mounted at a first end to the plates and are also pivotally attached at the opposite, second end to a corresponding one of the form extensions
Data Source
AI summary
A corner form apparatus having a rigid, angled form with a pair of leg sections and a plurality of gussets extending between the leg sections. A post is mounted for axial sliding back-and-forth movement within openings formed in the gussets between a pour position and a stripped position. A linear actuator is mounted between the rigid, angled form and the post and a pair of extension mounting arms are pivotally attached to the post at a first end and pivotally attached to each to an associated form extension using slotted holes at a second end whereupon movement of the post between the pour position and the stripping position moves each of the form extensions from a position coplanar with a corresponding one of the rigid, angled form leg sections in the pour position inwardly to a stripped position.