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靠近设计 :自国家十四五规划明确提出我国城市发展由“增量发展”向“存量更新”方向转变以来,各地老旧建筑更新改造方兴日盛。

Approach Design Studio:Since the National 14th Five-Year Plan proposed that China’s urban development should shift from “incremental development” to “stock renewal,” the renewal of old buildings has flourished everywhere.


▽项目视频 Video

▽建筑面向街道呈现出一种“松软”的空间状态The building faces the street in a “soft” spatial state

▽建筑与城市之间的“折叠公园””Folding park” between the building and the city

▽“折叠公园”中的庆典活动 Festivities in the “Folding Park”



In this context, Approach Design Studio has carried out a bold exploration, we hope that the revival of old buildings will not only stop at the conventional renovation of exterior and interior but also consider how to let each old building bring more contribution to the daily life of the city, actively relate to the boundaries of the city, to trigger possible chemical reactions. This design aims to explores another possibility between architecture and the city and hopes to provide a new way of thinking and valuable reference for urban renewal and urban public space exploration and utilization.


▽建筑贡献给城市的“折叠公园”architecture contributes to the city’s “folding park”


背景 Background


The project is located in the old urban area of Daxing District, Beijing. The current police station is in the shape of “F”, which is full of the small site. The new owner is TMTpost group of financial science and technology new media platform. In early 2018, Approach Design Studio was entrusted to transform this police station into its Beijing headquarters office building.


▽团河派出所旧址卫星图Satellite view of the old Tuanhe police station site

▽改造前的团河派出所旧址The former site of Tuanhe Police Station before renovation


思考 Reflection


At the beginning of the design process, we told the client that it is not difficult to give a house outstanding appearance and poetic space, which should even be the “basic skills” of an architect. In the opinion of Approach Design Studio, the fascinating part of a building is not the building itself but the infinite possibilities triggered by the building. How to make this project beyond the building itself into a “catalyst” that can further activate the spatial potential and stimulate new imagination of users inwardly and actively “react” with the city outwardly, allowing citizen participation and thus stimulating the vitality of the old city? Approach Design aims to create a catalytic effect in the space and to continue to do so. Fortunately, the local government and TMT Post Group recognized and supported such an idea.


▽在项目工地荡秋千的钛媒体集团创始人The founder of TMTpost Group swinging at the project site




To become a “catalyst,” a “catalytic space” needs to be created in the site, which must be attractive and public enough to naturally become an important node in the site and the street, and thus be able to stimulate the occurrence of crowd activities continuously. Faced with a crowded site and an old urban area lacking public space, a park becomes the ideal choice for this project’s “catalytic space.” On the other hand, unlike urban public buildings, this project is for corporate office use, and the urban public space has no right to occupy the space rights belonging to the corporate, i.e., the “catalytic space” of this project should be a “space out of nothing.” Therefore, the project’s “catalytic space” should be “created out of nothing.”

The only space left for the “catalytic space” is the boundary between the building and the city. Thus, we propose the concept of a “Folding Park” to place a horizontally extended park into a linear and narrow boundary.


▽“折叠”于建筑与城市之间的“公园”The “park” that “folds” between the building and the city


“折叠”出来的公园 The park from “folding”


The design “folds” the traditional flat park several times and turns it into a thin “vertical park,” which is attached to the boundary of the “F” shaped building in a minimal “footprint” way. The “F”-shaped building boundary is replaced by the original fence as the new site boundary.


▽“折叠公园”生成示意 “Folding Park” generation schematic



The walking path of traditional park has also be placed into the boundary of the site after being folded,changing from a plane path to a more interesting tridimensional interlaced path , creating a new tridimensional interweaved walking experience, and at the same time, the limited space is infinitely extended in the process of circular interweaved walking.


▽“折叠公园”中交织缠绕的“折叠步道”The intertwined “folding trails” in the “folding park”


“松软”的场地边界 “Loose” and “Soft” site boundary


The folding of the park naturally produces the fuzzy spatial characteristics of “architecture-like” so that the whole “folding park” presents a continuous “soft” spatial state that neither resembles indoor nor outdoor. As a result, visitors to the park are “wrapped” in the park, which provides shade from the sun and rain and seamlessly blends with the fresh air, allowing them to gain both a physical “sense of shelter” and a spiritual “sense of freedom.” At the same time, this “soft” boundary state and the activities of the people in it also greatly eliminate the complex and indifferent relationship between the architecture and the city, forming a “soft” transition between the two.


▽松软的“折叠公园”将使用者“包裹”其中,在建筑与城市之间形成“柔软”的过渡The loose “folding park” “wraps” the user in it, creating a “soft” transition between the building and the city.



The “Folding Park” has entrances to the street, courtyard, and all building floors, allowing equal access to the “Park” from multiple directions. Furthermore, an intelligent access control system ensures that activities in the park do not cross into the indoor office areas. “Each intersection of paths in the park is designed as an enlarged platform with old Beijing bamboo chairs, providing visitors with multiple resting places of different scales and elevations.


▽“折叠公园”中的放大活动平台The enlarged activity platform in the “Folding Park”


“自由生长”的公园 “Free Growing” park


We have also set up various exciting facilities in the “park”, such as swings, hammocks, punching bags, seesaws, slides, etc., to attract people to participate and encourage them to meet each other, which in turn will trigger more exciting activities. Thanks to the material properties of steel, people can also imagine the park as a giant “Lego toy” and can “plug in” any new ideas so that the “park” can “grow” with people’s imagination. The “park” can “grow freely” along with people’s imagination.


▽“折叠公园”鼓励人们参与其中,也可以伴随人们的想象力“自由生长””Folding Park” encourages people to participate in it, and can also “grow freely” with people’s imagination



The original concept for the structural components of the “Folding Park” was to use the scaffolding commonly found on construction sites to make the “Folding Park” would become an extremely cheap and universal strategy for urban “catalytic spaces” that could be quickly assembled, removed, and replicated. However, as the structural engineers were unable to find the basis for calculating the scaffolding as a civil structural system, and there were no similar cases that could be referred to at that time, finally we chose “calculable” steel square tubes and I-beams instead.


▽“折叠公园”构造局部”Folding Park” structure part



To create an authentic park atmosphere, we designed a large number of greenery walls using the façade grid. However, during the construction process, the natural greenery in the drawing was strangely turned into “artificial” greenery in the bid price of the builder, and we finally did not agree to the fake greenery. However, after the project was completed, we found that the “park” without fixed greenery left more room for users’ imagination, and owners and the community could choose different plant species and “greening rate” according to different themes so that the “park” could present a wider variety and offer richer possibilities.


▽业主自行装扮的“折叠公园”The “folding park” dressed up by the owners themselves



“Create another universe within a short distance”. The cold “border” that was originally used to “announce” the scope of the territory has become a “vibrant trigger zone” shared by everyone, injecting new vitality into the daily life of the city, and has now It has become the most popular place in the community.




“触媒空间”的延申 Extension of “catalytic space”


The basketball frame installed on the “Folding Park” makes the front yard the only basketball court in the street. People can play a street basketball game here at any time, and then the “folding park” will become a court “grandstand,” providing a different view of the game.


▽场地前院成为街道中唯一的篮球场The front yard of the venue became the only basketball court in the street



The walkway in the “folding park” leads people naturally to the roof, making the originally idle roof a part of the “park.” The long side of the “F” shaped roof is designed as a 100-meter circular track, the two short sides are designed as a reception area and a mini-GOLF recreation area, and the height difference between the roofs is designed as a semi-enclosed amphitheater. Convenient accessibility and the broad vision encourage people to exercise, relax, meet, and hold multiple exciting community events.


▽屋顶功能分布示意图Schematic diagram of roof function distribution

▽屋顶上的各种自发活动Various spontaneous activities on the roof


建筑立面改造——空间“反折叠” Reconstruction of the building façade – space “refolding”


Facing the building that fills the whole site, the design does not sculpt its exterior but only covers all the facades facing the interior of the site with mirrored honeycomb panels, making the originally oppressive building disappear into the environment, and making the changing environment and people’s activities the most vivid “expression” of the building.


▽镜面材料使建筑消失在了环境中The mirror material makes the building disappear in the environment

▽变化的环境和人们的活动成为最生动的建筑“表情”the changing environment and people’s activities become the most vivid “expression” of the building

▽亦虚亦实之中,空间实现了“反折叠”In the midst of both reality and fiction, the space achieves “anti-folding”


建筑室内改造 Reconstruction of building interior


The inner space of original police station was narrow and claustrophobic, which was in significant conflict with the free and open new media office space. Based on keeping the main structure unchanged, the design deconstructs and reshapes the interior space.


▽内部空间改造示意 Schematic diagram of internal space reconstruction



The exterior wall of the lobby is replaced by a light and transparent glass box, which minimizes the boundary between the interior and exterior, bringing in abundant sunlight and views of the front yard. A glass box is also placed inside the lobby as a gym. and the wave texture of the translucent glass creates an interesting interaction of light and shadow between the activities inside and outside the box.


▽从前院看向门厅Looking from the front yard to the lobby

▽门厅内的办公人员随时可以看见门厅外的有趣活动Staff inside the lobby can always see the exciting activities in the front yard at any time

▽门厅前台与半透明健身房Lobby reception and translucent gym

▽门厅与办公区之间的吧台和“摆在”吧台上的楼梯The bar between the lobby and the office area and the stairs on the bar



The stairwell in the middle of the building was opened up to create a “mini” through-height atrium, creating a visual and spatial connection between the three floors that were initially separated from each other. The staircase itself has also been disassembled and reconstructed, interspersed freely in the atrium, to create as many opportunities for people to see each other as possible.


▽楼梯间被扩大成通高中庭The stairwell was expanded into a through-height atrium

▽拆解重构的楼梯创造让人们相互看见的机会The disassembled and reconstructed staircase creates the opportunity for people to meet each other



Through functional compounding and spatial “micro-adjustment,” many spaces are given multiple uses. For example, the width of the corridor is precisely calculated to accommodate the function of a reading room; the staircase is enlarged to become a display table and a stepped discussion area; the space on the first floor expands into the inner courtyard with a bar working area around the columns, and the glass box growing outward in the air becomes both a meeting room and a lounge for swinging.


▽走道被叠加阅览室功能The corridor has the function of reading room

▽楼梯底部被放大成展台和休息阶梯The bottom of the stair is enlarged to become a display table and a step rest area

▽向内院生长的吧台工作区和空中会议室Bar working area and sky conference room growing towards the inner courtyard


结语 Conclusion




This is perhaps an “unorthodox” architectural design, where the building, which initially needs to be focused on and occupies the whole site, eventually disappears into the environment. But the insignificant and even neglected spaces outside the building have become the main characters of the site here. Architecture is not an end but only a medium. Compared with creating an exquisite and heroic “building,” we prefer to let both the architect and the building take a step back and present a plain and soft spatial “state” where people are willing to approach and participate. We hope this spatial state can “silently” attract and accommodate public life and continue to nourish and generate new urban vitality, even if it is not a public building.

This design is not intended to pursue novel forms but only to explore the potential of urban public space from the bottom-up perspective, trying to discover some neglected shared values from the “conventions” and hoping to provide a new way of thinking and inspiration for the design of such projects.

Many difficulties and challenges were encountered during the design and construction process, mainly thanks to the trust, support, and coordination of the local government and users, which made this exploration possible.


▽1层平面 1F Plan

▽2层平面 2F Plan

▽3层平面3F Plan

▽北立面 North elevation

▽剖面 Section

▽节点 node



主创建筑师: 马迪
已获奖项:2022亚洲建筑师协会建筑奖金奖、2022 WA中国建筑奖-设计实验奖优胜奖、2022浙江省优秀勘察设计一等奖、2022 Dezeen Awards Top5

Project Name: TMTpost “Folding Park”-Reconstruction of Former Beijing TuanHe Police Station, Beijing, China
Project Type: Renovation
Location: Daxing District, Beijing
Design: Approach Design Studio
Collaborator: Zhejiang University of Technology Engineering Design Group CO., LTD
Website: www.approach-design.cn
Lead Architect: Ma Di
Project User: TMTpost Group
Design Time: 03, 2018
Completion date: Aug 2019
Land Area: 1259.1㎡
Building Area: 1843.9㎡
Awards: 2022 ARCASIA AWARDS FOR ARCHITECTURE GOLD MEDAL, 2022 WA China Architecture Awards Winner, 2022 Zhejiang Province Excellent Survey and Design First Prize, 2022 Dezeen Awards Top5



审稿编辑: Maggie

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