Removable Fastener Pavement Slab Access Port
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Solution Overview
Problem
Existing pavement systems are not designed for access or servicing, leading to high costs and inefficiency in maintenance and replacement, as they lack means to access internal components and are not removable or serviceable.
Innovation Solution
A modular, removable, and serviceable paving apparatus with an internal reinforcement system, access ports, and removable fasteners that allow for sensor integration and targeted grouting, enabling efficient maintenance and interaction with embedded components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If permanent connecting members and grouting are used to connect pavement sections, then structural strength and stability are improved, but serviceability and ease of repair deteriorate
Solution Approach 1:
The pavement system is divided into modular sections with standardized connection interfaces. Each section can be independently accessed, removed, or repaired while maintaining structural integrity through the modular design. The segmentation allows permanent strong connections between sections while enabling easy service access to individual modules.
Solution Approach 2:
The patent introduces intermediary components such as access ports, service tunnels, and modular connection interfaces that mediate between the permanent structural elements and the maintenance operations. These intermediaries provide access to internal components without compromising the permanent structural connections.
2Reliability
If extensive grouting and permanent extended connecting members are used, then reliability of pavement structure is improved, but loss of time for maintenance and replacement increases
Solution Approach 1:
By segmenting the pavement into modular sections with standardized interfaces, the system maintains high reliability through consistent structural connections while enabling rapid maintenance. Individual segments can be quickly accessed and replaced without disrupting the entire pavement structure, significantly reducing maintenance time.
Solution Approach 2:
The patent incorporates pre-planned access ports, service tunnels, and modular connection designs during initial construction. These preliminary actions enable future maintenance operations to be performed efficiently without requiring complex decomposition of the permanent structure, thus reducing maintenance time while preserving reliability.
3Manufacturing precision
If pavement is designed as a monolithic continuous structure, then manufacturing precision and structural integrity are improved, but ease of manufacture and serviceability deteriorate
Solution Approach 1:
The continuous pavement structure is segmented into modular sections that can be manufactured independently with high precision, then assembled to form the continuous structure. This segmentation maintains structural integrity through standardized connection interfaces while improving ease of manufacture and serviceability by allowing modular production and replacement.
Solution Approach 2:
The patent creates universal connection interfaces and standardized modular sections that can serve multiple functions: structural continuity, access points, and maintenance modules. This multi-functionality maintains the appearance and integrity of a continuous structure while enabling easy manufacturing and servicing of individual components.
4Ease of repair
If access ports and removable fasteners are added to enable servicing, then ease of repair and serviceability are improved, but device complexity increases
Solution Approach 1:
The access and servicing functions are segmented into separate modular components (access ports, service tunnels, removable fasteners) that can be independently designed, installed, and maintained. This segmentation allows standardization of service components while keeping the main structural elements simple, thus improving serviceability without proportionally increasing overall complexity.
Data Source
AI summary
A removable and serviceable paving apparatus including an access port for providing access to the interior of the slab. The access port is operable to improve access to components of the paving system prior to, during, and/or after installation. The paving apparatus further includes a removable fastener for improving removability and serviceability. The removable fastener attaches the paving apparatus to its neighboring structures to form a paving surface, may be disengaged from the neighboring structures for removal, repair and/or service of the paving apparatus, and may be re-engaged upon re-installation of the paving apparatus.