Integrated Wall Reinforcement with Curved Connecting Segments

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Solution Overview

Problem

The existing methods for constructing walls with integrated formwork using multiple stiffening elements are time-consuming, prone to incorrect installation, and can result in structural integrity issues due to stress from rapid concrete pouring, leading to potential tearing of the connecting reinforcement and formwork walls.

Innovation Solution

A wall with integrated formwork comprising a set of frames with a connecting frame and internal reinforcement frames, where the connecting reinforcement features raised warp threads with upper and lower portions separated by lateral segments, and weft threads connecting these portions to distribute stress and improve structural stability, allowing for easier and more efficient production.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If multiple stiffening elements are used to ensure structural strength, then the structural integrity is improved, but the installation time and labor increase significantly

Engineering Contradiction:
Improvestructural integrityVSAvoidinstallation time
Core Design Contradiction:
StrengthVSLoss of time

Solution Approach 1:

The patent combines multiple stiffening elements into a single integrated stiffening element that functions as one unified component during installation, thereby reducing installation time while maintaining the structural strength that would otherwise require multiple separate elements

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The stiffening element is divided into multiple functional segments (first stiffening portion, second stiffening portion, connecting portion) that work together to provide distributed structural support, allowing the single element to perform the function of multiple elements

Inventive Principle:
Principle #1Segmentation

2Strength

If multiple stiffening elements are used to ensure structural strength, then the structural integrity is improved, but the risk of incorrect installation increases

Engineering Contradiction:
Improvestructural integrityVSAvoidinstallation accuracy
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

By merging multiple stiffening functions into a single integrated element with predefined geometric relationships between portions, the patent eliminates alignment errors that would occur when installing multiple separate elements, thereby improving installation accuracy while maintaining structural strength

Inventive Principle:
Principle #5Merging (Combining)

3Productivity

If concrete is poured quickly to increase productivity, then the construction speed is improved, but the connecting reinforcement is subjected to excessive stress causing tearing

Engineering Contradiction:
Improveconcreting speedVSAvoidresistance to tearing
Core Design Contradiction:
ProductivityVSStrength

Solution Approach 1:

The connecting portion is designed with a curved or undulating profile rather than a straight configuration, which allows it to flex and absorb the hydrodynamic stresses generated during rapid concrete pouring, preventing tearing while maintaining structural integrity

Inventive Principle:
Principle #14Spheroidality (Curvature)

Solution Approach 2:

The stiffening element incorporates portions with different structural characteristics (different stiffness, geometry, or material properties) to optimize its response to varying stress conditions during concrete pouring, enabling it to withstand rapid pouring speeds

Inventive Principle:
Principle #35Parameter changes

4Productivity

If a single integrated stiffening element is used to reduce installation time, then the productivity is improved, but the device complexity increases

Engineering Contradiction:
Improveinstallation efficiencyVSAvoidstiffening element complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The integrated stiffening element is designed with distinct functional segments (first stiffening portion, second stiffening portion, connecting portion) that can be manufactured separately and then assembled through simple connection mechanisms, reducing the complexity of the overall integrated structure while maintaining installation efficiency

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4343079B1Wall connection fitting with integrated formwork
Publication Date: 2024.10.16 FEHR GROUPE
  • EP4343079B1 patent drawingFigure 1~2
  • EP4343079B1 patent drawingFigure 3~4
  • EP4343079B1 patent drawingFigure 5~6

AI summary

The present invention relates to a reinforcement assembly (22) of a structural element, comprising one or more internal wall reinforcements not directly connected to a connecting reinforcement (1) comprising raised warp threads (2), comprising a succession of lower portions (6) and upper portions (7), separated by lateral segments (8, 9), forming upper bends (10) and lower bends (11), a multitude of weft threads (3, 4, 5), substantially straight and extending substantially perpendicularly to the warp threads (2), a first series of two weft threads (3) provided in, or near, said upper bends (10) and connecting the warp threads (2) to each other at the level of their upper portions (7), and at least a second series of two weft threads (4) provided in, or near said lower bends (11) and connecting the warp threads (2) to each other at the level of their lower portions.It also relates to a wall with integrated formwork, and to a wall of a construction comprising such a set of reinforcements (22), and to a method of making a wall with integrated formwork.