Adjustable Roof Anchoring Structure for Wind Uplift Resistance
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Solution Overview
Problem
Existing roof reinforcement methods are costly, complex, and difficult to install, especially in underdeveloped areas, and do not adequately address the increasing threat of severe weather events, necessitating a need for affordable, user-friendly, and rapidly deployable solutions that integrate seamlessly with existing structures.
Innovation Solution
A roof anchoring system comprising a base, vertical reinforcement member, angular adjustment member, radius arm, and wing brackets made of steel, which can be easily installed and adjusted to provide structural support by connecting to bearing walls and rafters, distributing uplifting forces effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional roof reinforcement methods are used, then roof stability is improved, but installation complexity and cost increase significantly
Solution Approach 1:
The reinforcement system is divided into modular components including base plates, anchor bolts, reinforcement bars, and connection elements that can be independently manufactured and assembled. This segmentation simplifies installation while maintaining structural integrity against uplift forces
Solution Approach 2:
Base plates serve as intermediary elements between the roof structure and foundation, distributing loads and simplifying the connection process. The base plates enable straightforward bolting operations while ensuring stable load transfer to the foundation
2Reliability
If traditional roof reinforcement methods are used, then roof stability is improved, but installation time decreases
Solution Approach 1:
Base plates and connection elements are pre-assembled and pre-positioned during roof construction before the structure is subjected to uplift forces. This preliminary installation ensures stability is built-in from the start rather than requiring retroactive reinforcement
Solution Approach 2:
The reinforcement elements are integrated into the standard roof construction process rather than being added as a separate phase. Anchor bolts are installed during foundation work, and reinforcement bars are placed with roof framing, merging reinforcement installation with normal construction activities
3Reliability
If stringent building codes are imposed, then roof protection is improved, but cost increases
Solution Approach 1:
The system provides adjustable reinforcement parameters including anchor bolt size, spacing, and depth that can be customized based on local building code requirements and wind load conditions. This flexibility allows compliance with various code standards while optimizing material usage and cost
Solution Approach 2:
The base plate and anchor bolt system serves multiple functions including structural anchoring, load distribution, and code compliance verification. This multi-functionality consolidates what would otherwise require multiple separate systems into a single integrated solution
4Reliability
If existing reinforcement systems are used, then some level of protection is provided, but adaptability to different roof types decreases
Solution Approach 1:
The base plate system is designed to accommodate various roof types including timber, steel, and concrete constructions. The standardized base plates can be adapted to different materials and configurations, providing universal applicability across diverse roof structures while maintaining effective uplift resistance
Solution Approach 2:
The connection details and anchor bolt configurations can be locally customized based on the specific roof material and structural characteristics. While the overall system remains standardized, local adaptations allow optimization for each roof type without compromising the fundamental reinforcement mechanism
Data Source
AI summary
ABSTRACT The present disclosure pertains to a roof anchoring system designed to enhance the structural resilience of buildings and prevent roof uplift during severe weather conditions such as storms, tornadoes, and hurricanes. The system addresses the need for a cost-effective, easily installable solution that can integrate with existing roof structures or new roof builds, thereby providing greater rigidity, among other benefits. Components include a base affixed to a bearing wall, a vertical reinforcement member extending from the base, radius arms connected to the vertical reinforcement member via angular adjustment members, and radius brackets securing the radius arms to the roof rafters and timber walls/sheeting.


