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裸筑更新建筑设计：Joints Pavilion II 是事务所在城市空间所作的“Joints系列”第二个落地的建筑实践。（以下简称JPII）
RoarcRenew：Joints Pavilion II was the second construction project realized in city space with the “Joints Series”.(Hereinafter referred to as JPII)
JPI was the first construction project realized with the “Joints Series”, which was completed in December 2018 in a shopping mall on the west bund of Shanghai. The project is to add steel & glass cover to the escalator originally exposed to the outdoors，which at last formed into a “lighting corridor” space.
地缘 Geographical relationship
It is located in a small vacant space along the Fahuazhen Road in Shanghai and sandwiched between two 8level buildings. It is 6m wide and 8m long. Before renovation, the space was stacked with construction and domestic waste. At its far end is the Xianghuaqiao residential community’s activity center. The residents here often have to cross this “rubbish area” to get to the activity center for small talk.
On its two sides are Xianghuaqiao residential buildings, which are multi-level and brick-concrete structures built in the 1990s. The pediments of the two adjacent buildings cannot take any more load in any forms. In this scenario, the construction design plan comes into shape: the concept of joints connection, minimum intervention in street space and the possibility of providing sheltered space.
The form of “canopy” brings out more possibilities to this space. The original design intended to build a sun and rain shade, which makes it a transitional “grey space”that facilitates social activities outside the residential buildings, transforming the dirty and messy “rubbish area” into a formal outdoor activity space for residents.
Considering the public nature of the activity center, community bulletin and mini exhibition hall can also be added.
实验性 Experimental relationship
Street renewal, community transformation, this is a comprehensive proposition.There are understandings of the scheme at all levels of the society, the background, standpoint and experience of different people ,all of them would affect the formation of the scheme.
The project itself is a preliminary exploration of Shanghai street renewal. For example, after making the platform grid, it is experimental and exploratory whether the nearby residents will have enough consciousness to consciously protect such a pure land of the city and build a harmonious place within the scope of the work of the non-sanitation workers.
建筑性 Architectural relationship
Architectural nature is particularly valued by RoarcRenew.
In terms of street scale, the basic architectural character often comes from the beauty of scale scale. That’s why architecture exists. The situation of the site is that there is a “gap” between two 24m high volumes, which is similar to “scissors evil spirit”. It seems like a knife through a whole building.
When standing in this open space, under full exposure, like standing at the bottom of the sky, which made people have the feeling of a frog in the well, experience was so bad. Therefore, the JPII structure acts as a “buffer”. The open space between the two buildings provides some shade according to the scale of “people”, which alleviates the unfriendly “concave skyline” to people.
In terms of the architecturality of the structure itself, such a construction method has its special meaning — “although dead wood becomes, it still has the rest of its life”, that is, “dead wood” is used instead of “vertical steel pipe” to establish the structural system.
为何要用枯木？Why using withered trees?
In the design process, we have experimented with more than ten steel-structure canopy installments, but the space still exuded a “caged” feeling. Later, we came up with the idea of using withered trees, for the tree trunk is a work of art from nature and also firm and stable in structural strength. The combination of steel and wood joints will make up for the disadvantages of wooden structures while showcasing the beauty of a “natural form”.
After the plan was finalized, we created a small team to search for the appropriate wood types in adjacent cities and finally we found beech in an abandoned pile of firewood in a forest farm in Nantong, Jiangsu province. With sound impact resistance ability, beech is firm and solid,, which bends easily when steamed, and it is ideal for model shapes. It can also holds nails firmly. With such propensities, it has been used widely in home furniture making since the Ming(1368 – 1644) and Qing(1644 – 1911) Dynasty.At last, we scavenged 16 beech trunks from this pile of abandoned firewood-to-be beech. They have appropriate crotch and small branches, with diameters at breast height at around 10cm.
The blueprint in our mind for this small vacant space is a construction filled with “energy and vitality”. These withered trees can extend their service life and contribute more to the society.
构筑逻辑 Construction logic
Connected by steel ropes, the wooden structure is placed in a steel support fastened in the ground. The top of the wooden structure is embedded with three-face steel plate connecting the canopy unit, with the head and tail tightened by an X-shape steel rope.
The whole structure is composed of three faces of canopies. When opened fully, they will fill the construction with a clean and pure aura, spreading out to the , plane, lines and points formed by cloth, wood and steel.
Every joint at the construction’s top can be used to hang steel rope, turning the space into a “mini exhibition hall” for the community and a “mini living room” for the city.
Joints Pavilion stands for the values we are sticking to: each small detail counts and decides the quality of the big construction. All the functional transformations are actually decided by the small joints, and that’s where the glamour of architecture lies and also the manifestation of “modules” in architecture.
Based on the small joints, a room is built, a structure is established, a form comes into being and finally the values realized.
项目名称：Joints Pavilion II 口袋公园
Project name: Joints Pavilion II Pocket Park
Project location: Shanghai, China
Project time: 2019
Site area: 48 square meters
Built-up area: 48 square meters
Architectural Design: RoarcRenew
Firm Website: roarc.cn
Lead architect: Bai Zhenqi
Project architect: Xue Leqian
Design team: Lu Huiqin, Gu Qian, Yang Junyi, Sheng Mengxuan, Wu Yejing
Exhibition design: Xue Leqian, Gu Qian
Structure consultant: Wang Chen
Construction consultant: Zhang Chenghua (EMCC)
Construction & sponsor: EMCC
Client: 2018 NNN Urban Design Festival
Design Period: 2018.00-2018.12
Construction Period: 2019.02-2019.03
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