04 The Floating Ribbon On The Shore

| Mangroves Wetland Recovery

Academic & Group Work-Competition Project

Date: 05/2017-07/2017(2th Year)

My work: Concept design, Structural design, Model building, Drawing, Hand model making Instuctor: Hang Zhao(zhaohang@bjut.edu.cn)

Location: Techeng Island Zhanjiang Guangdong, China

At the former site of the trestle destroyed by typhoon "Rainbow", a new trestle was erected in the mangrove forest. The whole trestle building not only utilizes landscape resources to provide sightseeing, leisure and scientific research activities, but also plays the role of soil stabilization and coastal protection, placing crowd activities and ecological restoration into the spatial organization together, dialoguing between people and ecology.

Concept Design

The trestle provides a way to integrate into the mangrove group for people, we add more possibilities to enter the mangroves, understand them and protect them. The reasonable route planning avoids as much as possible the man-made damage to the mangroves, and also facilitates the daily maintenance.

[ Marine Ecology ] [ Tourism ]

Mangroves are known as the "lungs of the earth", have a powerful ecological regulating function.

Its dense canopy, huge root system and swarming arrangement not only provide ideal habitat and rich nutrients for many marine biology, but also become a wintering ground and migration transit point for migratory birds, and as the tide rises and falls, the main characters on this stage take turns to appear.

The value of mangroves

The entrance of the trestle is a square,the exit is a golden beach, and the two places are separated by a certain distance to expand the influence of mangroves as much as possible.

The mangrove species in this area are mainly Aegiceras corniculatum and Avicennia marina.

The design avoids the ecological restoration area with the most fragile ecology and the tree age of more than 500 years, so the design scope is located in the key protection area.

Mangrove wetlands can be developed for special ecotourism.

The biodiversity also adds to the pleasure of visiting the mangroves, where you can see a variety of marine biology closely.

[ Disaster Prevention ]

Mangrove forests grow in the land and sea border area, which is a natural barrier against natural disasters such as waves and typhoons, guarding the human home behind them all the time.

Connecting the two shores with an arc. Change the arc to a curve to bypass the natural distribution of mangroves and add interest to the viewing route.

The trestle has two height, high tide to close the lower.

The two ends and some node areas of the trestle as the focus of the design, so set up entrances and exits, people can choose any location according to the height of the tide.

Add observation tower and temporary wooden houses.

Lookout Tower

In one section of the trestle, a lookout tower is placed, with a curved section for sightseeing and an enclosed space at the top for monitoring the climate and ecology of the bay, offering the possibility of exploring more activities as well as thinking about ecological design.

In addition, the structure of the tower, which is supported by a concrete base column with an internal lift, is further enhanced by tension cable to maintain the tower's safety and structural stability.

Trestle Bridge

The main material used for the trestle is local cedar wood, joined in the traditional Chinese mortise and tenon form and varnished to prevent corrosion from seawater. Instead of cedar, the bridge foundations were filled with concrete, then joined to the cedar with steel plates.And, like the mangroves, the foundations mimic the roots of the trees to reinforce the coast.

The intersecting, undulating trestles as a spatial organisation system, together with the lookout tower, to enhance the accessibility of the area and improve the tourism benefits of the mangrove nature reserve. On the one hand, it provides different heights and spatial types at the vertical level to meet the needs of ecological and crowd activities, on the other hand it can better integrate into the layout of the local natural environment and reduce the impact on the natural environment.

The sea has a tidal phenomenon, so the trestle is set at two heights. At high tide, the trestle is submerged in seawater, and even at higher water levels, the lower trestle will be completely submerged, and when the tide recedes, the mangrove mudflats are revealed and can be explored in depth.