Foundation element and method for producing a foundation element
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Solution Overview
Problem
Existing foundation elements for geothermal activation face inefficiencies in heat transfer between the element and the surrounding ground due to a lack of a defined transition, which impedes heat emission and absorption.
Innovation Solution
A foundation element is created with a transition region formed of crushed ground material and a hardening suspension, providing a smooth interface with the surrounding ground, and optionally incorporating a metal reinforcing element and heat exchanger, to enhance thermal embedding and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a foundation element is formed with a defined transition region using crushed ground material and hardening suspension, then heat transfer efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The invention changes the material parameters at the transition region by using crushed ground material mixed with hardening suspension, creating a gradient structure that optimizes thermal contact. This parameter change in material composition and structure enables improved heat transfer from the foundation element to the surrounding ground without requiring complex external systems
Solution Approach 2:
The transition region is designed with local quality by concentrating the crushed ground material and hardening suspension specifically at the interface between the foundation element and surrounding ground. This localized treatment creates optimal thermal embedding conditions at the critical heat transfer interface while maintaining simpler construction methods for the bulk foundation element
2Reliability
If a transition region with crushed ground material is created, then thermal embedding is enhanced, but construction time increases
Solution Approach 1:
The crushed ground material is prepared and positioned in the transition region before the hardening suspension is added and before the foundation element is fully installed. This preliminary arrangement of materials ensures that when the suspension hardens, the thermal embedding structure is already in place, reducing on-site construction time while maintaining reliable thermal contact
3Loss of energy
If a smooth interface is provided between foundation element and surrounding ground, then heat emission and absorption are improved, but material consumption increases
Solution Approach 1:
The transition region uses crushed ground material which creates a porous structure that allows the hardening suspension to penetrate and bond effectively. This porous configuration increases the surface area for heat transfer, improving heat emission and absorption efficiency while using a controlled amount of materials that fill the void spaces rather than requiring excessive material volumes
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 configuration improves heat transfer by embedding the foundation element more effectively in the ground, allowing for better heat emission and absorption, and ensures high stability and solidity.
Implementation Method 1
a hole is produced in ground, in which a foundation element is formed by means of a hardenable mass, wherein, prior to the hardening of the mass
Implementation Method 2
heat transfer between the foundation element and the surrounding ground
Data Source
AI summary
The invention relates to a foundation element in the ground and to a method for producing the foundation element which is formed of a hardenable mass, wherein, prior to hardening, at least one heat exchanger element is inserted. According to the invention a transition region towards the surrounding ground is provided, in which the foundation element is formed of crushed ground material of the surrounding ground with a hardening suspension.