Modular Composite Pole Assembly for Fire Resistance
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Solution Overview
Problem
Traditional pole structures, such as those made of wood, steel, and concrete, are limited by their fixed height and structural properties, which do not easily accommodate varying strength, stiffness, and durability requirements, and are susceptible to damage from wild fires, especially in increasing fire sizes and frequencies.
Innovation Solution
A modular pole construction method using hollow tapered modules made of composite materials, such as filament wound polyurethane, which can be stacked to achieve desired structural properties by combining modules with different flexural strength, compressive strength, resistance to buckling, and fire resistance, allowing for easy transportation and assembly into structures of varying heights and strengths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional one-piece pole structures are used, then structural strength and stability are maintained, but adaptability to varying height and strength requirements is limited
Solution Approach 1:
The pole structure is divided into multiple modular sections that can be stacked in different configurations. Each module has standardized connection features allowing them to be assembled into poles of varying heights while maintaining structural integrity through consistent joint designs and material properties.
2Ease of operation
If poles are designed in multiple sections for transportation, then ease of transport and erection is improved, but structural strength and stiffness are compromised
Solution Approach 1:
The pole is segmented into transportable modules with standardized connection interfaces. The modular design allows for easy assembly and disassembly while maintaining structural strength through consistent material properties and reinforced joint designs that preserve overall pole stiffness.
Solution Approach 2:
Multiple modular sections are combined through standardized connection features to form a unified pole structure. The joints are designed to integrate the individual modules into a cohesive structure that maintains the structural strength and stiffness of a one-piece pole while retaining the transportation advantages of segmentation.
3Object-affected harmful factors
If traditional pole materials are used, then manufacturing simplicity is maintained, but resistance to wild fire damage is insufficient
Solution Approach 1:
The pole modules utilize composite materials that combine the structural strength needed for pole construction with fire-resistant properties. These composite materials provide enhanced resistance to wild fire damage while maintaining manufacturing processes that are adapted from traditional pole manufacturing methods.
4Adaptability or versatility
If fixed-height pole structures are used, then manufacturing and inventory management are simplified, but ability to meet varying structural requirements is limited
Solution Approach 1:
The pole system is segmented into standardized modules that can be stacked in different quantities and configurations to achieve various heights and structural properties. This modular approach provides adaptability to meet varying structural requirements while maintaining relatively simple manufacturing of standardized components.
Solution Approach 2:
The modular pole sections are designed with universal connection features and standardized dimensions that allow the same modules to be used in various pole configurations. This universality enables a single set of modules to serve multiple structural requirements, reducing the need for specialized components for each application.
Data Source
AI summary
A method of modular pole construction an elongate modular pole structure is disclosed. A first step of the method involves providing hollow pole section modules, each module having an elongated structure with a base end and an opposed tip end. The modules are stacked to form an elongated modular pole structure of a selected length by mating the tip end of a base module with the base end of an additional module. One or more than one of the modules forming the elongated modular pole structure comprise a composite material having fire resistant properties.