Retrofittable Utility Pole Stabilizer With Modular Ballast
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Solution Overview
Problem
Existing methods for stabilizing utility poles, such as guy wires and poured concrete bases, are costly, time-consuming, and pose safety hazards, while retrofittable solutions like containment cellars for well pipes are not universally applicable and can leak fluids.
Innovation Solution
A retrofittable modular stabilizer system with co-planar half-panels forming a ballast container that can be installed around existing poles, using fasteners to secure components and filled with ballast materials, diverting moisture, and optionally using ridge caps to prevent corrosion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If guy wires are installed to offset the imbalance of load weight on end and corner poles, then the pole stability is improved, but the pole is put into additional compression which may cause bending or bucking
Solution Approach 1:
A concrete base is introduced as an intermediary element between the pole and the ground. This base provides a broad, stable foundation that distributes the pole's weight and the unbalanced line tensions directly to the ground, eliminating the need for guy wires that would otherwise add compressive forces to the pole structure.
2Stability of the object's composition
If concrete or expanding foam is installed around the bottom of the poles to provide stronger connection to the base material, then the pole stability is improved, but the cost and time to install and replace the poles increases
Solution Approach 1:
The stabilizing function is segmented from the pole itself and implemented as a separate, pre-fabricated concrete base component. This modular approach allows the base to be manufactured independently and installed as a distinct unit, reducing on-site construction time and facilitating easier pole replacement when needed.
Solution Approach 2:
The concrete base is prepared and positioned in advance before the pole is permanently set. By pre-positioning the base with its reinforcement structure ready, the actual pole installation becomes a simpler process of setting the pole into the prepared base, significantly reducing total installation time.
3Ease of manufacture
If poles are set into the base material by digging or auging a hole and backfilling, then the installation is simple, but the pole may tilt or fall if the base material is weak or unstable
Solution Approach 1:
The solution combines steel reinforcement bars (rebar) with concrete to create a composite base structure. The steel rebar provides tensile strength and structural integrity, while the concrete provides mass and compression strength, together creating a base that is both simple to install and highly reliable in preventing pole tilting.
Data Source
AI summary
A retrofittable modular stabilizer system for a vertical structure, such as a pole or a structural column, is disclosed having a bottom portion having at least two edges; two co-planar half-panels, joined to a first edge of the bottom portion and separated by a through-channel portion between the half-panels; at least one side wall joined to a second edge of the bottom portion and joined to the half-panels, thereby forming a ballast container with an open top and configured to mate to another modular stabilizer component at the half-panels, configured to receive and capture a vertical structure into the through-channel; and one or more fasteners configured to fasten two modular stabilizer components together around the captured vertical structure, or to fasten at least one modular stabilizer component to the captured vertical structure, or both.