Short answer

Designers and engineers should consider specifying or investigating the use of treated domestic wastewater or river water in concrete mixes for projects, especially in regions facing water stress, to enhance sustainability and potentially improve material performance.

Field
Sustainability
Source
International Journal of Geomate (2023)
Method
Experimental comparative analysis
Evidence
Strong effect

Utilizing treated domestic wastewater in concrete mixes can lead to improved mechanical properties and workability while significantly reducing the demand for potable water. This sustainability research insight is drawn from a 2023 study published in International Journal of Geomate. Using Experimental comparative analysis, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Designers and engineers should consider specifying or investigating the use of treated domestic wastewater or river water in concrete mixes for projects, especially in regions facing water stress, to enhance sustainability and potentially improve material performance.

Study
SustainabilityRecentStrong effect

Domestic Wastewater Enhances Concrete Strength and Workability, Reducing Freshwater Demand

Utilizing treated domestic wastewater in concrete mixes can lead to improved mechanical properties and workability while significantly reducing the demand for potable water.

International Journal of Geomate · 2023

01

Key Findings

  • 01Domestic wastewater improved compressive strength by up to 24.39% and splitting tensile strength by 24.39%.
  • 02Domestic wastewater reduced water absorption and increased slump (workability) by up to 60%.
  • 03River water exhibited properties comparable to freshwater.
  • 04Estuary water showed a slight decrease in compressive strength (8%) but improved flexural strength.
02

Application

Design takeaway

Designers and engineers should consider specifying or investigating the use of treated domestic wastewater or river water in concrete mixes for projects, especially in regions facing water stress, to enhance sustainability and potentially improve material performance.

How to apply

When designing concrete mixes, evaluate local non-potable water sources for their suitability by conducting comparative tests on strength, workability, and absorption.

Project actions

  • 01When researching alternative materials, consider water sources that are often overlooked.
  • 02Clearly document the type and source of all materials used in your design project.
03

Method & Evidence

AimTo evaluate the impact of using various non-potable water sources (river, sea, estuary, and domestic wastewater) on the mechanical properties and workability of concrete, aiming to reduce reliance on freshwater.
MethodExperimental comparative analysis
ProcedureConcrete mixes were prepared using freshwater, river water, sea water, estuary water, and domestic wastewater. The resulting concrete samples were tested for water absorption, compressive strength, flexural strength, and splitting tensile strength. Slump tests were also conducted to assess workability.
ContextConstruction materials research, water resource management

Variables

IVType of water used in concrete mix (freshwater, river water, sea water, estuary water, domestic wastewater)
DVConcrete properties (water absorption, compressive strength, flexural strength, splitting tensile strength, slump)
CVCement type and quantity, aggregate type and quantity, mix proportions, curing conditions
04

Strengths & Limitations

Strengths

  • +Investigated multiple non-potable water sources.
  • +Assessed a range of critical concrete properties.
  • +Provided quantitative data on performance enhancements.

Limitations

The availability and consistency of non-potable water sources can vary. The long-term effects on structural integrity may require further investigation.

Reliability & validity

The study's validity is supported by testing multiple concrete properties. Reliability could be enhanced by increasing the number of samples per mix and repeating tests.

Think critically

What are the potential health and environmental risks associated with using treated wastewater in construction, and how can these be mitigated?

05

Design Principles

"Resource substitution: Replace scarce or high-value resources with readily available or lower-value alternatives without compromising performance."

This research offers a practical solution for the construction industry to address water scarcity and promote sustainable development. By demonstrating that non-potable water sources can yield superior or comparable concrete performance, it opens avenues for resource-efficient building practices.

06

What This Means for Your Design

You can make concrete using dirty water like wastewater or river water, and it can actually make the concrete stronger and easier to work with, while saving clean drinking water.

How to use in your project

  • 1.Reference this study when discussing the environmental impact of material choices in your design project.
  • 2.Use the findings to justify the selection of sustainable materials.
07

Add to My Project

08

Quick Cite

Paragraph starter

Research indicates that non-potable water sources, such as treated domestic wastewater, can significantly enhance concrete properties, including compressive strength and workability, while reducing water absorption. This aligns with sustainable design principles by conserving freshwater resources and potentially improving material performance, as demonstrated by studies like Min (2023).

09

Source

International Journal of Geomate

DEVELOPMENT OF SUSTAINABLE CONCRETE BY USING NON-POTABLE AND SANITARY WATER IN THAILAND

journal · 2023

View source

Questions About This Research

What does the research say about domestic wastewater enhances concrete strength and workability, reducing freshwater demand?
Designers and engineers should consider specifying or investigating the use of treated domestic wastewater or river water in concrete mixes for projects, especially in regions facing water stress, to enhance sustainability and potentially improve material performance. Evidence: International Journal of Geomate (2023).
Why does "Domestic Wastewater Enhances Concrete Strength and Workability, Reducing Freshwater Demand" matter for design?
This research offers a practical solution for the construction industry to address water scarcity and promote sustainable development. By demonstrating that non-potable water sources can yield superior or comparable concrete performance, it opens avenues for resource-efficient building practices.
How can designers apply this research?
Designers and engineers should consider specifying or investigating the use of treated domestic wastewater or river water in concrete mixes for projects, especially in regions facing water stress, to enhance sustainability and potentially improve material performance.
What were the main findings?
Domestic wastewater improved compressive strength by up to 24.39% and splitting tensile strength by 24.39%.. Domestic wastewater reduced water absorption and increased slump (workability) by up to 60%.. River water exhibited properties comparable to freshwater.. Estuary water showed a slight decrease in compressive strength (8%) but improved flexural strength.
What research method was used?
Experimental comparative analysis.
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2023 journal from International Journal of Geomate.
What should I do differently in my next project?
When designing concrete mixes, evaluate local non-potable water sources for their suitability by conducting comparative tests on strength, workability, and absorption.
What are the limitations?
The study focused on specific water types and concrete properties; long-term durability and performance in reinforced concrete structures were not assessed. The exact treatment level of the domestic wastewater was not detailed.