Foam Block Wall System for Rapid On-Site Assembly
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Solution Overview
Problem
The construction industry faces high labor costs and skill shortages due to the inefficiencies of conventional stick-framed house construction methods, particularly in creating walls, which are time-consuming and require skilled labor, and insulated concrete foam block systems are not cost-effective for above-grade construction due to difficulties in altering block sizes for obstructions like doors and windows.
Innovation Solution
A foam block and poured concrete building system that includes molded or assembled foam blocks, corner blocks, fastening strips, and fasteners, allowing for on-site block manufacturing using a mobile machine, reducing shipping costs and enabling efficient assembly of walls with pre-hung doors and windows, and subsequent concrete filling to form a structural grid.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional stick-framed construction methods are used, then material costs are low, but labor costs and construction time are high
Solution Approach 1:
The wall system is segmented into modular foam blocks that can be pre-manufactured and then quickly assembled on-site. Each block is a discrete unit containing insulation and structural elements, allowing parallel preparation and assembly operations that dramatically reduce on-site construction time while maintaining material cost efficiency.
Solution Approach 2:
Foam blocks are manufactured in advance in a controlled factory environment rather than being built up sequentially on-site. This preliminary action allows for optimized production processes, quality control, and preparation of multiple blocks simultaneously, which then can be rapidly installed to achieve high construction speed without sacrificing material cost effectiveness.
2Productivity
If insulated concrete foam blocks are used for above-grade construction, then construction speed may improve, but adaptability to obstructions like doors and windows deteriorates
Solution Approach 1:
The foam block system incorporates dynamic adaptability through custom-molded blocks that can be produced in various sizes and configurations based on specific project requirements. When obstructions like doors or windows are encountered, the manufacturing process can dynamically adjust block dimensions and cavity patterns to accommodate these features, maintaining both construction speed and adaptability.
Solution Approach 2:
The system allows for parameter changes in block dimensions, cavity sizes, and wall thicknesses to accommodate different obstruction types and locations. By varying these parameters during the manufacturing process, the system maintains high adaptability to architectural requirements while preserving the rapid assembly advantages of pre-fabricated blocks.
3Quantity of substance
If custom foam blocks are manufactured on-site, then shipping costs are eliminated, but device complexity and initial setup requirements increase
Solution Approach 1:
The mobile foam block manufacturing machine is designed as a universal system that can produce multiple types of blocks (standard blocks, corner blocks, blocks with integrated window/door openings) using the same basic apparatus. This multi-functionality reduces the need for multiple specialized devices and makes the increased complexity worthwhile by eliminating shipping costs across diverse block requirements.
Solution Approach 2:
The on-site manufacturing system is designed to be relatively self-contained, with the capability to produce all necessary block types for a given project using a single mobile unit. The system serves itself by having the same machine that arrives at the site produce all the custom blocks needed, eliminating the need for multiple delivery trips and reducing overall project logistics complexity despite the machine's inherent complexity.
4Reliability
If skilled labor is used for conventional construction, then construction quality is maintained, but labor costs and skill shortage issues worsen
Solution Approach 1:
The system replaces skilled manual labor with a automated or semi-automated foam block manufacturing machine that consistently produces high-quality blocks with uniform dimensions and proper insulation cavities. This mechanical substitution eliminates variability introduced by human skill levels while maintaining or improving construction quality, and dramatically increases labor availability by reducing the skill threshold for installation workers.
Data Source
AI summary
A foam block and poured concrete building system preferably includes a plurality of wall foam blocks, a plurality of corner foam blocks, poured concrete, a plurality of fastening strips and a plurality of fasteners. Two end cavities are formed in opposing ends of the plurality of wall foam blocks. Top and bottom cavities are formed in the plurality of wall foam blocks. Each corner foam block includes an inner angle plate, three middle spacers and an outer angle plate. Each fastening strip includes a plurality of holes formed at heights that correspond to a height of the plurality of wall foam blocks and the plurality of corner foam blocks. Window frames and doorframes include a plurality of fastening strips. When the plurality of wall and corner foam blocks are assembled to each other with the plurality of fastening strips and fasteners, concrete is poured into vertical cavities therein.