Hemp-Lime Masonry Blocks With Embedded Inserts for Load Bearing
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Solution Overview
Problem
Hemp-lime building materials lack sufficient structural strength for load-bearing applications without additional frameworks, limiting their use to non-load-bearing structures.
Innovation Solution
A building element comprising a block of hemp-lime with enclosed inserts, such as posts or anchors, and functional elements like tongue-and-groove connections, which enhance stability and load-bearing capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If hemp-lime mixture is used as building material, then environmental friendliness and thermal insulation are improved, but structural strength is insufficient for load-bearing applications
Solution Approach 1:
The patent combines hemp-lime mixture with steel inserts to create a composite building element. The steel inserts provide the necessary tensile and compressive strength for load-bearing applications, while the hemp-lime matrix maintains its thermal insulation and environmental benefits. This composite structure enables the material to function as both insulation and structural component.
Solution Approach 2:
The steel inserts are strategically positioned within the hemp-lime block at locations requiring enhanced strength, such as corners and connection points. This localized reinforcement provides structural strength where needed while preserving the thermal insulation properties of the hemp-lime in other areas.
2Device complexity
If hemp-lime is used without additional frameworks, then construction simplicity is improved, but stability is insufficient
Solution Approach 1:
The patent merges the structural framework function with the insulation material by embedding steel inserts directly into the hemp-lime blocks. This integration eliminates the need for separate external frameworks while providing the necessary structural stability through the combined composite structure.
3Strength
If sand and aggregates are added to increase hardness, then compressive strength is improved, but thermal insulation properties are reduced
Solution Approach 1:
The patent uses steel inserts instead of sand or aggregates to improve compressive strength. Steel provides the necessary mechanical strength without compromising the thermal insulation properties of the hemp-lime matrix, unlike dense aggregates which would reduce insulation performance.
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 the construction of solid structures without additional support frameworks, providing increased strength and stability for hemp-lime blocks.
Implementation Method 1
This hardening is due to the reaction of calcium hydroxide (Ca(OH)2) with atmospheric carbonic acid to form calcium carbonate (CaCO3)
Implementation Method 2
or the hydration of calcium silicates, aluminates, and ferrites with the added water
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
Instead of constructing components that have connecting elements made of the component material, the present invention proposes producing the connecting elements from separately incorporated inserts. Such a component is manufactured from a block of hemp-lime, which is formed as a mixture of hemp fibers and a matrix of a binder and water. The block has at least one insert with a shell that is completely enclosed by the block. The block can be manufactured from the hemp mixture either additively or by injection molding or casting as a sustainably produced product.