Developments on Constitutive Material Model for Architectural Soda-Lime Silicate (SLS) Glass and Evaluation of Key...

Area of Science:

• Materials Science
• Civil Engineering
• Computational Mechanics

Background:

• Architectural glass increasingly features complex geometries, necessitating advanced numerical analysis.
• Existing constitutive models for soda-lime silicate (SLS) glass rely on outdated material parameters from the 1990s.
• Material parameter sensitivity to composition variations impacts the accuracy of current glass modeling.

Purpose of the Study:

• To update key material parameters for contemporary architectural SLS glass.
• To provide experimentally validated data for coefficient of thermal expansion (CTE), glass transition temperature, and Young's modulus.
• To enhance the accuracy of numerical simulations for SLS glass with complex forms.

Main Methods:

• Experimental investigation of currently utilized architectural SLS glass.
• Determination of coefficient of thermal expansion (CTE).
• Measurement of glass transition temperature and Young's modulus.

Main Results:

• Updated experimental values for CTE, glass transition temperature, and Young's modulus for modern SLS glass.
• Significant deviations observed from historical data, highlighting the need for updated parameters.
• Validated dataset for improved computational modeling of architectural glass.

Conclusions:

• The updated material parameters enable more precise numerical modeling of current architectural SLS glass.
• Accurate modeling facilitates the transfer of complex glass geometry prototyping from production to the design phase.
• Shorter production times and reduced prototyping costs are anticipated outcomes.