A New Model for Optimal Mechanical and Thermal Performance of Cement-Based Partition Wall

Area of Science:

• Building Materials Science
• Structural Engineering
• Thermal Engineering

Background:

• Prefabricated cement-based partition walls are common in assembled buildings due to efficient manufacturing and simple construction.
• Existing partition walls may not meet optimal mechanical and thermal performance requirements throughout their lifecycle.

Purpose of the Study:

• To propose a novel porous partition wall design using cement-based materials.
• To achieve optimal mechanical and thermal performance for partition walls during transportation, construction, and service life.

Main Methods:

• Development of a general porous partition wall model with elliptic-cylinder-type cavities.
• Utilizing the finite element method (FEM) to analyze mechanical and thermal behavior.
• Investigating the impact of cavity eccentricity on wall properties.

Main Results:

• The proposed porous partition wall model demonstrates significant advantages over current industry standards.
• Controlling the eccentricity of elliptic-cylinder cavities allows for adjustable wall stiffness.
• Cavity design modifications can enhance thermal performance, enabling optimized building designs.

Conclusions:

• The proposed porous partition wall design offers superior mechanical and thermal properties.
• The design provides a method for optimizing stiffness and thermal performance through cavity geometry.
• This innovative partition wall is a promising candidate for the construction industry.