Pavement Resurfacing Dispersing Bar with Segmented Biasing
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Solution Overview
Problem
Existing pavement re-surfacing systems using spray systems are prone to clogging when applying materials with larger aggregates, limiting their functionality and requiring the use of smaller aggregates that compromise the quality of the re-surfaced roadway.
Innovation Solution
A material dispersal device with independent dispersing elements and biasing elements, including a primary and secondary dispersing device, is used to apply a spreadable material uniformly across the pavement surface, allowing for adjustable pressure and effective dispersion on uneven surfaces, reducing clogging risks and enhancing material distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a spray system is used to apply re-surfacing material, then a uniform layer can be applied to the roadway, but the system is susceptible to clogging when using larger aggregates
Solution Approach 1:
The dispersing device is divided into multiple independent dispersing elements (e.g., multiple blades or rollers) that can operate independently. Each element disperses material across a portion of the roadway surface, reducing the likelihood that any single element will clog while maintaining overall uniform coverage.
Solution Approach 2:
The dispersing elements are designed to be adjustable or adaptable to different aggregate sizes and roadway conditions. The system can dynamically adjust dispersing pressure, element spacing, or element type to accommodate varying aggregate dimensions, preventing clogging while maintaining uniform application.
2Reliability
If smaller aggregates are used to reduce clogging, then the spray system can operate reliably, but the functionality and quality of the re-surfaced roadway is compromised
Solution Approach 1:
By segmenting the dispersing function into multiple independent elements, the system can handle larger aggregates without clogging, as each element works with a portion of the material stream. This allows the use of larger aggregates that provide better roadway functionality while maintaining reliable operation.
Solution Approach 2:
The system can change operational parameters such as dispersing pressure, element speed, or aggregate size to optimize performance. This allows the system to reliably handle larger aggregates by adjusting parameters to prevent clogging while maintaining uniform application and roadway quality.
3Manufacturing precision
If a material dispersal device with independent dispersing elements is used, then uniform pressure can be applied across uneven surfaces, but the device complexity increases
Solution Approach 1:
The dispersing device is segmented into multiple independent elements that can be simpler in design individually but work together to provide uniform coverage. Each element can be a simple blade or roller, and their independent operation simplifies the overall system compared to a single complex dispersing mechanism.
Solution Approach 2:
The independent dispersing elements are designed to perform multiple functions: dispersing material, following roadway contours, and adapting to surface variations. This multi-functionality reduces the need for additional specialized components, thereby limiting the increase in overall device complexity.
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 system ensures a uniform and effective application of re-surfacing materials, improving skid resistance and surface quality while minimizing clogging issues, allowing for the use of larger aggregates and maintaining the integrity of the re-surfaced pavement.
Implementation Method 1
a plurality of independent dispersing assemblies, wherein each independent dispersing assembly of the plurality of independent dispersing assemblies includes at least one biasing element of the plurality of biasing elements coupled to at least one independent dispersing element
Data Source
AI summary
A system for re-surfacing a pavement surface is provided. The system includes a material dispersal device configured to apply a slurry material to the pavement surface, a first delivery mechanism configured to apply a first spreadable material to the pavement surface, a first dispersing bar configured to disperse the first spreadable material on the pavement surface, a second delivery mechanism configured to apply a second spreadable material to the pavement surface, and a second dispersing bar configured to disperse the second spreadable material on the pavement surface.