Compression Rod Reinforcement for Dynamic Building Wall Loads
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Solution Overview
Problem
Existing reinforced building walls struggle to effectively handle both static and dynamic compression and tension forces, particularly during events like earthquakes and high winds, leading to inefficiencies in material and labor costs due to the need for additional wood studs or posts.
Innovation Solution
Incorporation of a compression rod system that is anchored to the foundation, capable of handling both compression and tension forces without buckling, which transfers these forces to the foundation through a network of threaded rods and anchors, reducing the need for additional wood framing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional reinforced building walls use additional wood studs or posts to handle compression and tension forces, then the structural strength is improved, but the material and labor costs increase
Solution Approach 1:
The patent extracts the compression resistance function from the wood stud wall system and assigns it to a separate steel compression rod. This allows the wood studs to focus on their primary function of supporting the wall structure, while the steel rod specifically handles compression forces, reducing the need for additional wood framing members
Solution Approach 2:
The steel compression rod serves multiple functions: it resists compression forces, provides anchorage to the foundation, and works in conjunction with the existing wood stud wall system. This multi-functionality eliminates the need for separate compression-resistant elements, reducing overall material requirements
2Reliability
If the wall is designed to resist dynamic forces from earthquakes and high winds, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The compression rod system is designed to dynamically respond to varying loads from earthquakes and high winds. The rod can accommodate both compression and tension forces through its connection details, allowing the structure to adapt to dynamic loading conditions without requiring complex bracing systems
Solution Approach 2:
The steel compression rod acts as an intermediary element between the wood stud wall and the concrete foundation. It transfers and distributes dynamic forces from the wall to the foundation in a controlled manner, simplifying the overall structural system by providing a direct force transfer path
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The compression rod system efficiently distributes and manages dynamic loads, reducing material and labor costs while enhancing the structural integrity of building walls under varying stress conditions.
Implementation Method 1
a compression rod having a first end portion operably attached to the second end portion of the first threaded rod and a second end portion operably bearing onto a bottom surface of the top plate, the compression rod is configured to handle compression forces from the top plate without buckling
Implementation Method 2
the compression rod is configured to handle compression forces from the top plate without buckling
Implementation Method 3
a first threaded rod having a first end portion embedded in the foundation and a second end portion extending through the bottom plate
Implementation Method 4
an anchor embedded in the foundation, the anchor is operably attached to the first end portion of the first threaded rod
Data Source
AI summary
A reinforced building wall includes a first stud wall disposed above a foundation; the first stud wall including a bottom plate, a top plate and first and second vertical studs extending between the bottom plate and the top plate; a first threaded rod having a first end portion embedded in the foundation and a second end portion extending through the bottom plate; a compression rod having a first end portion operably attached to the second end portion of the first threaded rod and a second end portion operably bearing onto a bottom surface of the top plate, the compression rod is configured to handle compression forces from the top plate without buckling; an anchor embedded in the foundation, the anchor is operably attached to the first end portion of the first threaded rod.