Tapered Modular Masonry Block Thermal Bridging
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Solution Overview
Problem
Conventional modular construction methods using hollow masonry units face challenges in achieving optimal thermal and structural performance while maintaining reduced wall thickness, and there is a need for efficient assembly and insulation integration.
Innovation Solution
The modular construction block design features a masonry block shell with tapered side walls, a hollow core, and an intermediate cross-web that tapers for improved structural integrity and insulation, along with a knock-out end wall with score lines for easy separation, allowing for efficient assembly and reduced thermal bridging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If hollow masonry units with cores filled with loose material and/or grout are used, then wall thickness can be reduced while allowing insulation and reinforcement, but thermal performance and structural integrity are compromised due to thermal bridging
Solution Approach 1:
The block is divided into multiple hollow chambers separated by thin webbing, creating discrete insulation zones that reduce thermal bridging while maintaining structural integrity. The segmentation allows insulation material to be contained in specific zones, improving thermal performance without increasing overall wall thickness.
Solution Approach 2:
The webbing thickness varies locally throughout the block structure, being thicker in areas requiring structural support and thinner in areas prioritizing thermal insulation. This localized variation optimizes both structural integrity and thermal performance within the reduced wall thickness constraint.
2Ease of manufacture
If conventional hollow masonry units are used, then assembly is simplified, but structural integrity and insulation effectiveness are reduced due to thermal bridging
Solution Approach 1:
The block incorporates multiple hollow chambers that segment the internal structure, reducing thermal bridging while maintaining ease of assembly. The segmented design allows for standardized manufacturing processes while improving structural and thermal performance through the distributed chamber configuration.
3Ease of manufacture
If uniform wall thickness is used throughout the block, then manufacturing is simplified, but structural performance is compromised at critical load-bearing areas
Solution Approach 1:
The webbing thickness varies locally throughout the block structure, being thicker in areas requiring structural support and thinner in areas prioritizing thermal insulation. This localized variation optimizes both structural integrity and thermal performance.
4Strength
If the block is integrally formed as a single unit, then structural integrity is maximized, but manufacturing complexity and material usage increase
Solution Approach 1:
The block is divided into multiple hollow chambers separated by thin webbing, creating discrete insulation zones that reduce thermal bridging while maintaining structural integrity. The segmentation allows for optimized material usage and simplified manufacturing through standardized chamber configurations.
Data Source
AI summary
A modular construction block comprises a masonry block shell including first and second opposing side walls, and an intermediate cross-web formed between the side walls. Each of the first and second side walls comprises first and second opposing end edges, a relatively thin wall section extending from the cross-web to the first end edge, and a relatively thick wall section extending from the cross-web to the second end edge. The relatively thick wall section of each side wall tapers from the cross-web toward the second end edge of the side wall.