Bulk Glass Composite Columns for Cost-Effective Structural Support
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Solution Overview
Problem
The increasing cost of construction materials, particularly due to the degradation of steel and timber, necessitates the development of cost-effective and durable alternatives for structural applications.
Innovation Solution
A structural column comprising an inner sleeve of non-glass material, bulk glass sheets, and an outer sleeve of non-glass material, where the bulk glass is encapsulated to enhance compressive strength and resistance to degradation, utilizing an over-jacketing extrusion process for manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If bulk glass is used to reduce material cost, then cost to strength ratio improves, but tensile strength decreases
Solution Approach 1:
The patent combines bulk glass with polymer matrices to create composite columns that leverage the compressive strength of glass while the polymer provides tensile strength and ductility. This composite approach resolves the contradiction by using material combination rather than relying on bulk glass alone.
Solution Approach 2:
The patent changes the structural configuration from solid bulk glass to hollow cylindrical columns with specific wall thicknesses and diameters. This parameter optimization allows the structure to achieve required tensile strength through geometric design while maintaining the cost benefits of bulk glass.
2Strength
If steel is used for structural applications, then strength and durability are improved, but material cost and degradation resistance worsen
Solution Approach 1:
The patent uses bulk glass, a cheaper material compared to steel, to create structural columns that provide comparable strength at lower cost. The focus is on achieving adequate service life for construction applications without requiring the premium cost of steel.
Solution Approach 2:
By creating composite structures with bulk glass and polymer, the patent achieves steel-level durability and strength resistance while avoiding steel's high material cost and susceptibility to corrosion.
3Quantity of substance
If timber is used for construction, then cost is reduced, but degradation resistance worsens
Solution Approach 1:
The patent uses bulk glass, a low-cost material similar to timber in price, to create durable structural elements that overcome timber's degradation issues while maintaining cost competitiveness.
Solution Approach 2:
The patent extracts the degradation vulnerability from the structural system by replacing organic timber with inorganic bulk glass and polymer composites, eliminating rot and insect damage while preserving the low-cost advantage.
4Reliability
If fiberglass is used for structural elements, then degradation resistance is improved, but cost to strength ratio worsens
Solution Approach 1:
The patent changes from using glass fibers to bulk glass, fundamentally altering the material form from discrete fibers to continuous solid glass structures. This parameter change reduces manufacturing complexity and cost while maintaining the degradation resistance benefits.
Solution Approach 2:
By using bulk glass instead of processed fiberglass, the patent achieves comparable durability at lower material cost, improving the cost-to-strength ratio for degradation-resistant structural elements.
Data Source
AI summary
A structural column comprises an inner sleeve comprising a first non-glass material, at least one sheet comprising bulk glass, and an outer sleeve comprising a second non-glass material. The inner sleeve has an outer surface and an inner surface defining a hollow interior of the structural column. An inner surface of each sheet is adjacent to at least a portion of the outer surface of the inner sleeve. The outer sleeve has an inner surface that is attached to at least a portion of an outer surface of each sheet, and the inner surface of the outer sleeve is attached to at least a portion of the outer surface of the inner sleeve. The inner sleeve and the outer sleeve can have a rectangular shape in cross-section. The bulk glass can comprise soda lime glass, and the first non-glass material and the second non-glass material can comprise high-density polyethylene.