Seeking the Source of Streams the coexistence of artifact and nature

Under the grid of the Taichung urban plan, distinct green belts with clear boundaries are delineated. Similarly, water channels and irrigation ditches are divided by roads. The tributary of the Dongda Drainage connects the Fazi River and the forest in Tunghai university. Due to agricultural considerations, numerous water retention facilities have been constructed, severely obstructing the migration of wildlife.
The current municipal road extension project will follow a 60-meter-wide road along the tributary of the Dongda Drainage, blocking a significant amount of sunlight from entering the tributary, thereby preventing natural habitats and migration routes. The goal is to create a dual-directional green belt corridor system that functions as an integrated ecological system.
Starting from the fundamental road design, discussions revolve around how to introduce light gaps between different curvatures. Vertical discussions are conducted in specific cases, and ultimately, considering earthwork balance and flood prevention, an elevated road system is prioritized.
The source of wildlife migration towards Dadu Mountain is the Fazi River. Drawing from extensive experience with the Fazi River, a coexistence relationship between human-made structures and natural elements in the river is sought, leading to the identification of basic design attitudes and prototypes.
The prototypes of human-made structures on the Fazi River primarily consist of regular hexagons, including bridge piers, embankment protections, and breakwaters, which possess characteristics that adapt to water flow and allow for multi-directional combinations. The prototypes start with a grid composed of regular triangles derived from subdividing regular hexagons. Different points within the grid are selected to generate interconnected spherical spaces, creating internal plantings and external spatial units.
Through the analysis of water flow, different pits and depressions are formed within the units, facilitating plant colonization and providing openings of various sizes. These openings range from small ones for rainwater flow to large ones that allow wildlife to move and hide. The goal is to create an ecological system that integrates the road and the river.
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