Angled Permeable Paving Slab for Prefab Parking Layouts
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Solution Overview
Problem
Existing prefab paving slabs are unsuitable for constructing angled parking spaces efficiently, as they require on-site cutting, protrude outside the spaces, and have limited water permeability and vegetation growth capacity, especially when used in turfstone pavers.
Innovation Solution
A prefab paving slab with a prism-shaped paver body featuring continuous holes and non-right internal angles, allowing efficient construction of angled parking spaces without on-site cutting, using reinforced materials like reinforced concrete with a lattice structure, ensuring high water permeability and vegetation growth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If straight pavers are used for constructing parking spaces, then the parking spaces can be constructed efficiently with high water permeability, but the pavers protrude outside the outermost parking spaces and cannot be easily cut or sawn on site
Solution Approach 1:
The paver is divided into modular segments with specific geometric shapes (parallelogram or trapezoid) that allow them to fit together in angled configurations. The segmentation enables the paver to be designed for specific angular orientations while maintaining ease of assembly without requiring on-site cutting.
Solution Approach 2:
The paver employs asymmetric geometric shapes (parallelogram or trapezoid) rather than symmetric rectangular shapes. This asymmetry allows the paver to align perfectly with angled parking space boundaries, eliminating protrusions while maintaining efficient construction. The asymmetric shape is specifically designed to fit the required angular orientation.
2Adaptability or versatility
If turfstone pavers with holes are used, then water permeability and vegetation growth capacity are enhanced, but the structural strength may be reduced
Solution Approach 1:
The paver incorporates a system of holes or voids throughout its structure, creating a porous configuration that enables water permeability and vegetation growth. These holes are strategically positioned and sized to maintain adequate structural strength while providing the desired adaptability for drainage and plant life.
Solution Approach 2:
The paver may utilize composite material construction, combining materials with different properties to achieve both strength and permeability. This could involve using reinforced concrete or other composite structures where the material composition provides structural integrity while incorporating voids or permeable layers for water and plant access.
3Shape
If paving bricks are used for angled parking spaces, then the pavers can fit the angled configuration, but the labor intensity increases and water permeability is reduced
Solution Approach 1:
The paver is designed as a single modular unit with the correct angular geometry (parallelogram or trapezoid) that fits angled parking spaces directly. This segmentation into properly-shaped modules eliminates the need for on-site cutting and reduces labor intensity compared to using smaller bricks that would require assembly and fitting.
4Stability of the object's composition
If ground preparation is performed before laying pavers, then the ground stability is improved, but the construction time increases and drainage may be impeded
Solution Approach 1:
The paver is designed with built-in stabilization features such as expanded bases, anchor points, or interlocking mechanisms that provide ground stability without requiring extensive preliminary ground preparation. This preliminary action is incorporated into the paver itself rather than requiring separate ground treatment steps.
Solution Approach 2:
The paver employs parameter changes in its design, such as adjusting the base area, depth, or material properties to optimize stability. By changing these parameters in the paver structure itself, adequate ground stability is achieved without requiring time-consuming ground preparation or modification.
Data Source
Figure 1A~1B
Figure 2
Figure 3
AI summary
A prefab paving slab (1) for constructing along a straight path a row of parking spaces parallel to this path is described. The prefab paving slab (1) comprises a prism-shaped paver body (2) comprising an upper base (3) and a lower base (4). The paver body (2) is provided with a number of continuous holes (7) which each extend through both the upper base (3) and the lower base (4) for the purpose of allowing passage of water and/or vegetation. The lower and the upper base (3, 4) each comprise at least one non-right internal angle for constructing the parking spaces such that they each lie at the same non-right angle relative to the path, as seen from above.