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Josefine A Olsson¹, Sabbie A Miller², Mark G Alexander³

¹Department of Civil and Environmental Engineering, University of California, Davis, Davis, CA, USA.

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Summary

This summary is machine-generated.

Efficient structural design can significantly cut greenhouse gas (GHG) emissions from cement and concrete production by over 76%. This approach lowers cement demand, reducing environmental impact without costly new technologies.

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Area of Science:

Civil and Environmental Engineering
Materials Science
Climate Science

Background:

Growing urban populations and infrastructure decay increase demand for concrete.
Hydraulic cement production is a major global source of greenhouse gas (GHG) emissions.
The impact of structural design on GHG mitigation in concrete is understudied.

Purpose of the Study:

To quantify the potential GHG emission reductions from cement and concrete production through manufacturing and engineering decisions.
To assess the impact of these decisions on cement demand and overall environmental burdens.
To demonstrate the feasibility of climate mitigation using existing concrete design flexibility.

Main Methods:

Analysis of combined manufacturing and engineering decisions in concrete design.
Modeling of potential GHG emission reductions and cement demand.
Evaluation of environmental benefits beyond GHG emissions.

Main Results:

A potential reduction of over 76% in GHG emissions from cement and concrete production.
Equivalent to 3.6 Gt CO2-eq lower emissions by 2100.
Up to 65% reduction in cement demand, leading to decreased environmental burdens.

Conclusions:

Optimized structural design and manufacturing choices offer substantial climate mitigation potential.
Significant GHG emission reductions are achievable within current concrete technology frameworks.
Flexibility in concrete design can drive climate action without major capital investment.