Prefabricated Wall with Spacer and Cement Core

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Solution Overview

Problem

Current methods for constructing building walls with thermal inertia, involving load-bearing walls and exterior insulation, are costly and labor-intensive, especially for smaller structures, due to manual processes and the need for formwork in existing techniques.

Innovation Solution

A method using thermally insulating plates and plaster plates with a spacer and a cement-water mixture poured between them, which hardens to form a load-bearing wall, eliminating the need for formwork and allowing for rapid setting concrete, thus reducing construction time and costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If manual mounting of concrete blocks is used, then wall construction can be performed with simple tools, but construction time and labor cost increase significantly

Engineering Contradiction:
Improvesimplicity of construction processVSAvoidconstruction speed
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The wall is divided into modular concrete blocks that can be pre-fabricated and then assembled. Each block is a self-contained unit with integrated insulation and facing layers, allowing for rapid assembly without manual mortar application or formwork between blocks.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The concrete blocks are pre-fabricated with all necessary layers (insulation, facing, structural concrete) already integrated before arrival at the construction site. This preliminary preparation eliminates the need for complex on-site assembly operations and formwork.

Inventive Principle:
Principle #10Preliminary action

2Strength

If formwork is used for concrete wall production, then structural integrity can be ensured, but device complexity and manual labor increase

Engineering Contradiction:
Improvestructural integrity of wallVSAvoidcomplexity of formwork system
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The formwork system is completely removed from the construction process. Instead of using formwork to shape concrete, pre-fabricated concrete blocks with integrated reinforcement are used, eliminating the need for formwork assembly, dismantling, and cleaning operations.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The concrete blocks are self-contained units with reinforcement and insulation already integrated during manufacturing. The blocks themselves serve as both the structural element and the insulation layer, eliminating the need for separate formwork and insulation installation steps.

Inventive Principle:
Principle #25Self-service

3Object-affected harmful factors

If exterior insulation is installed after load-bearing wall completion, then thermal insulation can be added, but construction time and labor cost increase

Engineering Contradiction:
Improvethermal insulation performanceVSAvoidconstruction time
Core Design Contradiction:
Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The structural concrete wall, exterior insulation layer, and interior facing are merged into a single integrated pre-fabricated block. This consolidation allows all layers to be installed simultaneously as one unit, eliminating the sequential construction steps required when installing insulation separately after wall completion.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The concrete block serves multiple functions simultaneously: it provides structural load-bearing capacity, thermal insulation, and interior facing. This multi-functionality eliminates the need for separate construction steps for each function, reducing overall construction time and labor requirements.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

This method significantly lowers construction costs by eliminating formwork and manual labor, enabling quicker production of walls with thermal inertia, suitable for various building types, including residential and commercial structures, while providing improved thermal and sound insulation.

Implementation Method 1

a determined mixture (50) in the inter-plate space (40), this mixture comprising at least cement and water, this mixture being poured into the inter-plate space (40)

Methodology Applied
Scientific EffectCrystallization: Crystallisation

Data Source

PatentEP2473684B1Building wall, and method for producing said wall
Publication Date: 2015.12.02 CEBADOR CHARLES
  • EP2473684B1 patent drawingFigure 1~2
  • EP2473684B1 patent drawingFigure 3~4

AI summary

The invention relates to a wall comprising: at least one first plate (11) made of thermally insulating material; at least one second plate (22) consisting of plaster; at least one spacer (30) having a predetermined length between the two ends (31, 32) thereof; a means for connecting both ends of the spacer to both the first and second plate, respectively, so as to define an inter-plate space (40) therebetween; and a mixture (50) comprising at least cement and water, the mixture being poured into said inter-plate space (40). The method according to the invention involves assembling the first panel (11), the second panel (22), and the spacer (30) so as to produce an inter-plate space (40) in which the mixture (50) is poured.