Stabilized Soil Wall Automation with Zeolite Additives

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Solution Overview

Problem

Existing methods for creating compressed stabilized earth blocks lack stability, load-carrying capability, and lifespan, especially when used for water reservoirs, and are not adaptable to varying soil types, leading to high ecological footprints and frequent replacements.

Innovation Solution

A method that uses an automated system to analyze local soil properties and add necessary additives like zeolite, cement, and lime to create a stable soil mixture, allowing the use of virtually any soil type, with zeolite enhancing mechanical strength and reducing ecological impact.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional compressed stabilized earth blocks are used without soil analysis and additives, then the construction process is simple and fast, but the stability, load carrying capability and lifespan of the wall are insufficient

Engineering Contradiction:
Improvestability and lifespan of wallVSAvoidcomplexity of soil analysis and additive system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system performs preliminary analysis of soil properties before construction and pre-determines the required additives and their quantities. This advance preparation ensures optimal wall stability and lifespan while streamlining the actual construction process.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system incorporates feedback mechanisms where soil analysis results directly inform additive selection and dosing. The automated system adjusts additive quantities based on measured soil properties, creating a closed-loop control system that optimizes wall performance.

Inventive Principle:
Principle #23Feedback

2Reliability

If imported wood is used for sheet pilings, then the construction is quick and reliable, but the ecological footprint is large and costs are high due to frequent replacements

Engineering Contradiction:
Improvereliability of sheet pilingVSAvoidecological footprint and replacement costs
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The invention changes the material parameters from imported wood to locally sourced stabilized soil. By modifying soil properties through additives and achieving optimal compression, the system creates durable sheet pilings with extended lifespan exceeding 100 years, eliminating the need for frequent replacements and reducing ecological impact.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system utilizes locally available soil resources instead of imported materials. The soil stabilization process transforms ordinary local soil into a reliable construction material, making the system self-sufficient and eliminating dependence on external material sources.

Inventive Principle:
Principle #25Self-service

3Object-affected harmful factors

If any type of local soil is used without additives, then the ecological footprint is reduced and local materials are utilized, but the wall lacks sufficient stability and load carrying capability

Engineering Contradiction:
Improveecological footprint reductionVSAvoidload carrying capability of wall
Core Design Contradiction:
Object-affected harmful factorsVSStrength

Solution Approach 1:

The system applies the principle of local quality by analyzing specific soil properties at each location and adding targeted additives to achieve the required strength characteristics. This localized approach allows any soil type to be optimized for wall construction while maintaining ecological benefits of using local materials.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The invention creates composite materials by combining local soil with stabilizing additives such as cement, lime, or fly ash. This composite approach enhances the mechanical properties of the soil while maintaining the ecological advantage of using locally sourced primary material.

Inventive Principle:
Principle #40Composite materials

4Strength

If high compression pressure is applied to achieve stable wall blocks, then the load carrying capability increases, but the energy consumption and construction time increase

Engineering Contradiction:
Improveload carrying capability of wall blocksVSAvoidenergy consumption during compression
Core Design Contradiction:
StrengthVSUse of energy by moving object

Solution Approach 1:

The system performs preliminary soil stabilization by adding additives that improve soil cohesion and compressibility before the compression process. This pre-treatment reduces the energy required during compression while achieving the same or better strength outcomes.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The invention changes the physical and chemical parameters of the soil through additive incorporation, transforming it into a more compressible and cohesive material. This parameter modification enables effective wall block formation at lower compression pressures, reducing energy consumption.

Inventive Principle:
Principle #35Parameter changes

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

The method significantly increases the stability, load-carrying capacity, and lifespan of the soil walls, reduces ecological footprints, and enables the use of locally sourced materials, potentially extending the lifespan of the walls to 100 years or more.

Implementation Method 1

During the mixing of the soil in the mixing device, zeolite is added as one of the additives

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

additives like zeolite, cement, and lime to create a stable soil mixture

Methodology Applied
Scientific EffectChemical Bonding: Chemical Bonding

Implementation Method 3

the compression of a soil mixture under relatively high pressure within a compression space

Methodology Applied
Scientific EffectCompression: Compression

Data Source

PatentEP3137689B1Method for creating a stabilized soil wall
Publication Date: 2020.02.19 NETICS
  • EP3137689B1 patent drawingFigure 1

AI summary

The invention relates toa method for creating a stabilized soil wall (1), comprising the steps of: supplying soil to the location where a wall element that is to become part of the wall is to be created, creating a compression space (2) at the location where the wall element is to be created, arranging an amount of soil in the compression space, compressing the soil in the compression space to obtain the wall element (6, 7), arranging the wall element at the location where the wall is to be created and, if required, compressing subsequent wall elements (6, 8) and arranging them adjacent to the first wall element until the desired wall size is achieved.