Hybrid Utility Cover with Polymer Concrete Insert
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Solution Overview
Problem
Traditional utility covers made of metal interfere with electromagnetic signal transmission, making them unsuitable for applications where signals need to be emitted and received by electronic modules below the cover.
Innovation Solution
A hybrid utility cover featuring a metal outer frame and a polymer concrete insert that is substantially transparent to wireless communications, allowing electromagnetic waves to pass through while maintaining structural integrity for pedestrian and vehicular traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional metal utility covers are used, then structural strength and durability are improved, but electromagnetic signal transmission is blocked
Solution Approach 1:
The utility cover combines metal outer frame (for strength) with polymer concrete insert (for EM wave transparency), creating a composite structure that simultaneously provides structural integrity and electromagnetic signal transmission capability
Solution Approach 2:
Different regions of the utility cover have different material properties: the outer frame uses metal for structural support while the central insert uses polymer concrete for signal transparency, allowing each region to optimize its local function
2Ease of manufacture
If metal utility covers are used, then ease of manufacture is improved, but adaptability to wireless communication applications deteriorates
Solution Approach 1:
The cover integrates metal and polymer concrete materials in a single manufacturable unit, combining the ease of metal casting with the electromagnetic transparency of polymer concrete to create a versatile cover suitable for wireless communication applications
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
Enables the transmission and reception of wireless communications through the cover without interfering with signal propagation, while supporting traffic loads and providing access to subterranean electronic modules.
Implementation Method 1
a polymer concrete insert that is substantially transparent to wireless communications, allowing electromagnetic waves to pass through
Data Source
AI summary
A utility cover for covering an opening includes an outer frame formed of a first material and an insert within the outer frame formed of a second material, wherein at least a portion of the insert is substantially transparent to wireless communications.