Modular Parking Structure Pillar-Free Aisle Design
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Solution Overview
Problem
Existing modular parking lot structures face challenges in maneuverability due to pillars along the driving aisle, excessive load on foundationless designs, and limitations in expanding vertically without conventional foundations, while also requiring durable materials for long-term use.
Innovation Solution
A modular structure design with a differentiated load distribution system using tertiary, secondary, and main beams, where the position of secondary beams can vary to reduce the number of aisle pillars, allowing for easier maneuvering and controlled load redistribution, enabling the construction of multi-level parking lots without conventional foundations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If pillars are placed along both longitudinal edges of the bin and both edges of the aisle every two parking spaces, then the structural load distribution is improved, but the maneuverability of drivers during parking maneuvers deteriorates due to pillars located along the edges of the central driving aisle
Solution Approach 1:
The patent removes pillars from the central driving aisle edges, extracting only the necessary pillars for structural support while eliminating those that hinder maneuverability. This results in a configuration where pillars are placed only at the longitudinal edges of the bin, not along the aisle edges, thereby improving driver maneuverability while maintaining adequate load distribution through the remaining pillar placement.
2Ease of operation
If pillars are placed only at the longitudinal edges of the bin not along the sides of the aisle, then the maneuverability of drivers is improved, but the beam lengths become excessively long (around 16 meters or more) making transportation and handling difficult
Solution Approach 1:
The patent applies local quality by differentiating the structural support needs in different zones. Beams spanning between pillars at the bin edges are designed with appropriate lengths that are manageable for transportation and handling, while the pillar placement pattern (only at longitudinal edges, not along aisle edges) maintains good maneuverability. This localized structural arrangement optimizes both maneuverability and constructability.
3Strength
If conventional fixed foundations are used, then the load-bearing capacity is improved, but the adaptability to different ground conditions and the speed of construction deteriorates due to foundation requirements
Solution Approach 1:
The patent segments the load-bearing function from the foundation requirement by using a modular pillar-beam-deck structure that can be assembled without conventional fixed foundations. The structure is divided into discrete modular elements (pillars, beams, deck sections) that can be rapidly assembled and disassembled, providing adaptability to different ground conditions while maintaining adequate load-bearing capacity through the distributed pillar support system.
Data Source
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Figure 3a~3b
AI summary
The invention relates to a modular system for the construction of prefabricated structures, in particular modular structures suitable for realizing semi-permanent or temporary parking lots of a modular type comprising a series of modules adjacent each other and complementary two by two, each of which includes two main structural elements (7', 7"), at least one aisle pillar (12', 12"), two main beams (14', 14", 15', 15"), a secondary beam (16', 16") and a pair of tertiary beams (17', 17", 18', 18"), at least a pair of secondary structural elements (11', 11"), arranged in an intermediary position between two main structural elements. The main beams of two adjacent complementary modules are spaced between them in such a way that the parking surface portion formed by the two modules includes at least three parking spaces (6) for each lateral strips (5', 5") and not more than two aisle pillars (12', 12").