Window Mounting Assemblies for Detonation and Impact Resistance
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Solution Overview
Problem
Existing storm-proofing solutions for windows and doors are costly, require replacement of entire units, and are not adequately designed to withstand the forces and temperatures associated with detonations or repeated impacts, leading to potential failure and unauthorized access.
Innovation Solution
A window and window mounting assembly that includes a laminated, impact-resistant window pane and a support frame with strategically placed openings to manage thermal and compressive loads, enhancing the structural integrity and security of the window assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If storm-proof window assemblies are used to withstand hurricane loading, then penetration resistance is improved, but the assemblies fail to withstand detonation energies and repeated impacts due to temperature loading
Solution Approach 1:
The window assembly is divided into multiple discrete layers including outer pane, inner pane, and intermediate spacing members, allowing each layer to independently manage different stress types. The segmentation enables the structure to handle both static hurricane loads and dynamic thermal shocks from detonations without unified failure
Solution Approach 2:
The assembly combines multiple materials with complementary properties: tempered glass for impact resistance, laminated glass for thermal stability, and metal or plastic spacing members for structural integrity. This composite structure provides both hurricane resistance and detonation resistance by distributing thermal and mechanical stresses across different material properties
2Reliability
If entire framed window units are replaced with storm-proof units, then penetration resistance is improved, but cost and building code compliance issues arise
Solution Approach 1:
The invention extracts only the essential security-enhancing components (panes and mounting assembly) from the complete window unit, allowing installation in existing frames without replacing entire window assemblies. This selective approach maintains penetration resistance while reducing cost and simplifying installation
Solution Approach 2:
The mounting assembly is designed to be universally compatible with standard building window openings and existing frame structures, allowing the same security pane assembly to be installed across multiple locations without custom fabrication. This multi-functionality reduces overall project cost while maintaining security performance
3Reliability
If heavier storm-proof window assemblies are installed, then penetration resistance is improved, but the underlying building framing cannot withstand the additional loading
Solution Approach 1:
The mounting assembly incorporates load-distributing elements such as reinforcement plates and strategically positioned fasteners that transfer weights counter-forces to the building structure. This counterbalancing approach allows heavier security panes to be supported without overwhelming the original framing capacity
Solution Approach 2:
The mounting system extends the load path from a simple point attachment to a distributed three-dimensional framework involving head, sill, and jamb connections. This dimensional expansion of the mounting architecture distributes the weight of heavy security panes across multiple structural points, preventing overload at any single location
Data Source
AI summary
A security window mounting frame assembly, system, and method of installing building security windows configured to control passage of a compression wave and temperature gradients around a security window pane.