The project is located at the intersection of Saddan, Lidu and Yihe streets, Fuling District, Chongqing, Huiguhu Science and Technology Innovation Town，it is an important part of the scientific and technological innovation system of Fuling District. Its overall positioning is "Landscape science and technology Town", and its industrial positioning focuses on green and low-carbon, life and health, and intelligent technology. In the future, this town will become a gathering place for Fuling's economic development, industrial upgrading and industrial innovation.
The Bailuwan Demonstration Zone of Huiguhu Science and Technology Town is to transform or rebuild three existing abandoned buildings, aiming to provide a place for science and technology personnel to work, meet and relax, and provide planning, display and leisure supporting services for citizens and tourists. In addition, the first area of Huiguhu Science and Technology Town is planning and designing a science and technology office cluster integrating industry, university and research. The Bailuwan Demonstration Zone and the future first zone project face each other across the lake.
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Huiguhu (formerly known as Shuimotan Reservoir) is located in the northwest of Fuling, about 50 kilometers from the center of the city, to the north is the endless Huangcao Mountains, to the south is the numerous water system of Yihe village. It has a primitive and ecological natural landscape: the distant mountains stretch green, the lake is stirring, the forest sea dancing, every natural element is just right. Going deep into the interior of Huiguhu, the terrain of the design site falls down to the lake with the mountain, and the bank of the lake is a three-pronged branch pointing to the center of the lake.
In this natural ecological environment with excellent landscape vision, what the team should do is not to create a new landscape, but to sort out and restore the original landscape, and show the background power of nature by guiding people to have a deep dialogue with nature through architecture.
In the midst of the changing landscape of mountains and lakes, the original site with obvious artificial traces is revealed here: three unfinished buildings in a state of decay stand on the shore of the lake without modification, which is incompatible with the environment. According to the distance from the lake, the design team named the three buildings 1, 2 and 3 in order from near to far.
The original four-slope roof of Building 1 makes the overall shape look stiff and the facade modeling lack of layers, but it is a frame structure with good overall quality. Therefore, the strategy of retaining the original structure for reinforcement and relying on the main structure for renovation and renewal is adopted.
Building 2 is a brick-concrete structure with small rooms, many layers and huge volume, and poor environmental integration, which is not conducive to transformation and can not meet the requirements of functional use. After comprehensive benefit value evaluation, combined with the planning vision of Huiguhu Science and Technology Town, the team decided to adopt a new strategy of original site reconstruction, and respond to the site environment and science and technology background with an open and shared public space and a new function of wisdom preaching.
The new building is a three-story volume, the coffee shop is partially raised, the slope roof can be disconnected, forming a retreat effect to follow the mountain, the folded roof makes the building maintain an upward attitude, the bottom is recessed, the whole building is hidden in the forest and exposed in the forest. The first floor is used as a cafe, using the height difference in the negative first and negative second floors respectively to arrange meetings, dining halls and other functions.
Building 3 is a brick-concrete structure with well-preserved status and harmonious facade rhythm. The minimal intervention was therefore used: the material attached to the existing facade. The recessed part is in a darker color to better shape the three-dimensional sense of the building. The renovation will be used as an office building.
Objects in nature can not be separated from the surrounding things and appear alone, all the prerequisites of beauty are based on the existence of relationships. There are two sets of relationships to be considered when practicing architecture in a natural environment with good landscape, one is the relationship between inside and outside of the building, and the other is the relationship between the building and nature.
For the renovation of Building 1, the team adopts the strategy of dissolving the original volume and shaping a flexible boundary. Through the box, staggered roofs, embedded corridors, and constantly interwoven indoor, outdoor and semi-outdoor spaces, multiple breathing holes are formed in the originally stagnant building, so as to obtain different viewing experiences and feel different spatial rhythms.
In order to better fit the terrain and integrate into nature, Building 2 adopts the strategy of breaking the whole into pieces: the coffee shop on the first floor is partially raised, and the roof falls down with the terrain, splitting into two parts, bringing more views of the landscape and a lighter architectural form; The junction between the first floor and the first floor is interrupted by high side Windows and cantilevered platforms, forming a visual separation; The concave treatment of the building floor responds to the traditional folk houses on the one hand, and achieves the purpose of eliminating the form on the other hand.
The team believes that in the face of such a rich natural environment, the limited landscape is more valuable. Therefore, the facade treatment is not all glass Windows, but some restraint: square Windows of the second floor of the meeting room, hollow walls and high side Windows of the first floor of the lecture hall, and large glass Windows of the first floor, creating a virtual and real relationship at the same time, each window serves as a unique viewfinder, bringing a variety of frame effects.
Guo Xi, a painter of the Northern Song Dynasty, talked about the grades of landscapes in the chapter of "Landscape Training", "those who can walk, can look, can travel and can live are all wonderful". A simple understanding of "walking, looking, travelling and living" is that there is a path to walk on, a view to look at, a place to rest, and all three form a system. To break it down, the mezzanine staircase of Building 2, the corridor around the ground floor and the staggered external staircase are "walking"; the balcony between the roof gaps, the enlarged and step-by-step platform at the end are "looking"; the lounge on the mezzanine, the cafe on the ground floor, and the reception hall on the second floor are "looking"; and the lounge on the ground floor, the cafe on the second floor, and the reception hall on the second floor are "looking". The lounge on the mezzanine, the cafe on the first floor, and the reception room on the first floor all have a resting space with a view, which is "living"; the landscape and other natural elements and the dynamic behaviour of human beings form an organic whole, which is displayed as a complete landscape sequence, which is "touring". As a result, the residents can look over the fence, play the piano and drink, and the travellers can breeze their faces and turn the paths.
Along the topography of the site, combing the changes in elevation, we begin to build the walking space: the ground floor of Building 2 is connected to the road, entering the cafe, the line of sight is fixed on the framed view formed by the distant mountains and the lake; from the ground floor to the mezzanine lounge, the windows bring the mountains, the water, and the sloping roof of the ground floor into the field of vision at the same time; the end of the gallery that surrounds the ground floor is enlarged, and becomes the best place for the observation of the landscape view, where the whole site can be seen; the entrance to the lecture hall on the negative floor is concave, and the entrance to the lecture hall on the first floor is concave. Nature and architecture are appreciated in the process of travelling, and between moving steps and changing positions, the apparent and hidden, inside and outside, light and dark are constantly intertwined, creating an organic composite. The interweaving creates an organic composite, multi-level strolling system.
In order to increase the spatial and landscape levels of Building 1, a canopy is set up at the entrance, from which trees grow to form a counterpoint to the grey space of the first floor terrace. From the outdoor staircase to the first floor platform, the roof, the lake and the distant mountains are connected from afar, and the view back is a framed landscape of mountains, forests and wood formed by the roof frame. The roof on the lake side is deliberately made shorter so that the view can leap over the roof and reach the distant landscape. On the ground floor of the building, the two flows, inside and outside, are clearly organised and meet at the corner of the lake, where the large corner windows can accommodate the natural landscape to the maximum extent.
In the selection of materials, relying on the original and natural design concept, wood color is the main tone, the overall tone and the exposed soil after the water level of the lake is lowered, the light color of the plain wall and wood form a visual contrast, attracting the line of sight of visitors on the other side of the lake. The hollow-out walls, wooden grilles and the orderly rhythm of the Windows form a natural picture. Washed stone stair handrails covered with black steel plate, with the surrounding environment to form elegant.
At the beginning of the design, the team focused on creating as many spatial experiences as possible in the limited space and generating more dialogue with nature. The manipulation of the interface and the organisation of the paths allow the internal and external to be transformed into each other, and the space to be extended, so that the building can truly be "viewed from the inside and landscaped from the outside". The translation of the form in response to the climate and the environment also allows tradition and modernity to reverberate through the site.
The demonstration area of Lake Huigu Science and Innovation Town provides basic services such as cafes, offices and exhibition halls. However, the design team expects it to go beyond these basic facilities and become a place that triggers people's empathy with nature, where they can stroll, rest and enjoy the lake view, and re-associate the connection between human and nature in urban life. Every time you stop and gaze at the lake, you will be able to capture the scenery and amplify your physical sensations. It is hoped that people will be able to take a break from their busy schedules and find inner peace and balance in this environment that blends with nature, feeling the flow and changes of the water, and gaining insight into the changes of the lake and the quietness of the distant mountains, so as to realise the ideal of life of "dreaming in poetry and painting, and living among the mountains and water".