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Lab D+H: The 2nd Grinding Wheel Plant locates in the core area of the old city of Zhengzhou. It was once the largest grinding wheel factory in Asia, delivering grinding wheels and abrasive tools, “heavy industry teeth,” to all parts of the country. It is also an important project aided by East Germany during China’s First Five-Year Plan. At that time, the factory building structure system with the characteristics of the avant-garde Bauhaus was produced in Germany and assembled in China, reflecting the “super luxurious” construction specifications and carrying the Sino-German friendship and the industrial dream of the new China. However, with the change of urban development and industrial types, the relocation of production tasks in the factory area has been entirely vacant. It has become a National Historic Preservation Building.
Transform industrial memory into different types of public activity spaces. The concept of landscape design is “open integration and diverse rebirth.” The public space of the cultural and creative park transformed from this industrial site is sorted out. Through the study of historical context, the industrial equipment in the area is preserved, and the modern design methods are used rationally. We hope that the framed landscape system will allow the 2nd Grinding Wheel Plant to reintegrate into the urban culture with a new attitude, welcoming various types of people. After the completion of Zhengzhou 2nd Grinding Wheel Plant Cultural and Creative Park, it has become a new landmark of urban vitality in the core of the old city of Zhengzhou. It improves the quality of public space in the originally depressed old industrial zone and establishes a more positive relationship with surrounding communities at the same time.
▽历史照片 Historical photos
▽工厂内部照片 Factory interior photos
现状分析 SITE ANALYSIS
In the early days of the founding of New China, the industrial foundation was weak. With the help of East German engineers dispatched by the Soviet Union, China built the largest grinding wheel factory, the Zhengzhou No.2 Grinding Wheel plant. The factory building has the typical Bauhaus architectural style, and it also became an important pillar industry in Zhengzhou at that moment. It is the memory of the times in the hearts of every Zhengzhou people. In the largest Bauhaus complex in Asia, old-fashioned Soviet buildings made of concrete slabs dominate, with giant cedars and plane trees growing between the buildings, intricate piping systems, ubiquitous grinding wheel molds, and abandoned industrial production tools. The heavy historical atmosphere, profound industrial traces, and strong visual impact make us feel the sense of mission and responsibility of history.
▽历史照片老梧桐树和管道 Historical photo old plane trees and pipes
Inheritance or Abandonment? To utilize, and how to use? Want to be reborn, and in what form? How to make the 2nd grinding wheel plant return to the daily life of Zhengzhou people with today’s mission of the times? The priority issue in this project is how to effectively use the historical relics of the old factory area and give them new era significance and functions while protecting them.
设计策略 DESIGN STRATEGY
We take “Rebirth of memory” as the design vision. The preservation and reconstruction of the historical relics reflect the rebirth of the No.2 grind wheel plant and the ecological landscape environment. The landscape design respects the original spatial pattern of the old factory area, reorganizes the public space layout of the site, restores the Bauhaus modernist architectural style of the factory area, and gives new life to the old things through renovation.
▽ 总平面图 Plan
We salvaged the industrial machinery donated by East Germany, the Czech Republic, and the Soviet Union and transformed them into amusement facilities, landscape structures. Considering the requirements of limited budget and simple craftsmanship, we used the method of embossing concrete with plane trees to increase the details of the concrete. We also reused and integrated the intricate pipes and instrument panels into the signage system.
▽ 木纹混凝土墙浇筑过程 Wood grain concrete wall pouring process
▽ 梧桐叶纹理压印 Sycamore leaf texture embossing
▽ 改造前：工厂内遗留的砂轮模具 Before renovation: Grinding wheel mold left in the factory
▽ 改造后：改造成为模具花园 （左）& 改造成为灯环装置（右） After transformation: Transformed into a mold garden (left) & transformed into a light ring installation (right)
▽ 改造前：工厂内的老电表箱（左）& 改造后：改造成为标识牌（右）Before transformation: the old meter box in the factory (left) & after transformation: transformed into a signboard (right)
▽ 改造前：厂房屋顶的烟囱（左）&改造后：以烟囱造型为灵感的垃圾桶（右）Before renovation: the chimney on the roof of the factory (left) & after renovation: the trash can (right) inspired by the shape of the chimney
二砂厂内原有的近 2000 棵古树也被全部被保留，同时适当增加当地树种，与城市的各个方向的绿色通道相联系，成为该区域生态系统的重要支撑。
The original nearly 2,000 trees in the 2nd grinding wheel plant have also been preserved. Local tree species have been appropriately increased to connect with the green passages in all city directions and become essential support for the regional ecosystem.
▽ 改造后的草坪剧场 Renovated Lawn Theater
节点设计 NODE DESIGN
Starting from the original industrial, cultural genes, and historical memory of the 2nd grinding wheel plant, the site is divided into three parts: the diamond plaza, the grinding wheel park, and the ersha green corridor, which are connected in series through the sweet gum woods, central avenue, and Wutong avenue. The texture of the site is sorted out with the concept of “round sky and square earth.” The straight axis of the Main Square and circular grinding wheels are interspersed at important space nodes, forming different scales and functions and stimulating public activities at different levels.
▽ 广场改造前 Before the renovation of the plaza
▽ 广场改造后 After the plaza was renovated
▽ 改造后的广场鸟瞰 Aerial view of the renovated square
▽ 二砂历史刻于铺装 The history of Ersha is engraved on the pavement
The sky above the front square carries the “Revolutionary Friendship” with a 40.2-meter memorial ring. The names of 170 East German engineers and model workers who have worked hard to construct the 2nd grinding wheel plant are engraved on it as a landmark to witness the revolutionary friendship. The Ring of Memory is restrained by four steel pillar suspension cables, echoing the 320-star lights on the ground that symbolize unsung heroes. The retained cedar, a series of concrete columns, and pipes on the right side of the site form a solid visual and moving line guidance.
▽ 记忆之环 Ring of memory
▽记忆之环吊装施工过程 The construction process of the ring of memory hoisting
▽环上刻着援建二砂的专家及二砂厂工人 On the ring are engraved the experts who aided the construction of the second sand factory and the workers of the second sand factory
The grinding wheel park is a sports park that reuses the original production tools in the factory. Although these industrial relics have lost their production value, they have been given new functions and meanings after being reborn, and they have served the city in another form. With the theme of the “grinding wheel,” the abandoned machines are transformed into interactive facilities for children such as climbing nets, slides, and seats.
▽砂轮乐园 Grinding Wheel Paradise
▽施工过程，原生树木如数保留 During the construction process, the number of native trees is preserved
▽改造后的雪松林 Renovated cedar forest
▽改造前：工厂内钢架轨道 Before renovation: Steel frame rails in the factory
▽改造后：加上攀爬网成为游乐设施 After renovation: plus a climbing net to become a ride
▽改造前：工厂内老机器 Before renovation: old machines in the factory
▽改造后：老机器改造成游乐设施 After Retrofit: Old Machines Transformed into Rides
▽改造后：砂轮乐园 After Renovation: Grinding Wheel Paradise
The experience garden has designed a space that is highly integrated with the factory building with the method of “micro-renewal,” which maximizes the preservation of the characteristics and memory of The 2nd grinding wheel plant: the original trees in the site, such as cedar and sycamore, are preserved; the original concrete blocks are smashed and integrated into the pavement; the former newsstand is turned into an urban rest space; the abandoned green space is reused and transformed into an amusement park; the abandoned blower is transformed into a landscape sculpture; the grinding wheel is built into a green wall of plants, reactivating the small space.
▽梧桐大道 Sycamore Avenue
▽孩子们在与厂房建筑高度融合的体验空间中游玩 Children play in an experience space that is highly integrated with the factory building
▽改造前：草坪剧场 Before Renovation: Lawn Theater
▽改造后：草坪剧场 After Renovation: Lawn Theater
▽改造后：草坪剧场 (夏） After Renovation: Lawn Theater (Summer)
▽改造后：草坪剧场 (秋） After Renovation: Lawn Theater (Autumn)
▽改造后：口袋花园 After Remodel: Pocket Garden
▽改造后：砂轮模具垒成植物墙 After transformation: the grinding wheel mould is built into a plant wall
▽改造后：孩子们在口袋花园踢球 After the makeover: Kids play football in pocket garden
▽重新利用废弃绿地 Reuse of abandoned green space
▽在时间的维度上进行“新”的叠加，同时依然需要保留下“旧”的部分，最终实现“新”与“旧”的碰撞。 Urban renewal is the superposition of “new” in the dimension of time, and at the same time, it is still necessary to retain the “old” part, and finally realize the collision of “new” and “old”.
▽废弃机械改造成景观雕塑 Abandoned machinery transformed into landscape sculpture
▽改造前：休憩森林 Before Renovation: Rest Forest
▽改造后：休憩森林 After Renovation: Rest Forest
▽休憩森林 Rest forest
社会意义 SOCIAL SERVICE
Today, the 2nd grinding wheel plant, bid farewell to the former industrial glory, has become a medium that transcends time and space. This landscape renovation re-planned and designed the public realm, respected the original industrial planning pattern, continued the spatial characteristics, historical culture, and ecological environment, and revived the old factory and gave it a new era mission.
▽草坪剧场 Lawn Theater
▽屋顶草坡 Grass slope
▽人们带孩子在砂轮花园休息 People take their children to rest in the grinding wheel garden
▽改造后的雪松林 Renovated cedar forest
The No.2 Grinding Wheel Plant Factory Park has created a vibrant public space for urban residents in the new era. It is a community of urban activities, which enhances the vitality of the entire city and is a carrier of urban spirit and memory, reshaping the urban spiritual outlook.
▽钻石广场二砂历史铺装 Diamond Plaza Ersha Historical Pavement
▽孩子在记忆之环下 Child under the ring of memory
▽市民驻足拍摄“记忆之环” Citizens stop to film “Ring of Memory”
▽孩子们在砂轮花园喷泉前戏水 Children splashing in front of the Grinding Wheel Garden fountain
▽孩子们在草坪剧场追逐嬉戏 Children chase and frolic in the lawn theatre
▽老人们休憩娱乐 Old people recreation
▽ 二砂游行表演 Ersha Parade
The project has become the memory core of Zhengzhou dwellers after nearly two-year completion. The No.2 Grinding Wheel Plant is genuinely reborn when the old are retained, and new activities are created.
▽ 夜幕下的钻石广场 Diamond Plaza at night
Project Name: Ersha Cultural and Creative Park
Project Location: Zhengzhou, China
Project area: 50000㎡
Designer: Lab D+H SH
Design Director: Li Zhongwei
Design Team: Li Zhongwei, Lin Nan, Zhang Jiaqian, Pan Xiaowen, Li Xiujuan, Wang Jiajun, Shen Yijun, Zhang Qiran, Zhang Jingyan
Construction drawing team: Zhou Jian, Qin Chao, Liu Huan, Ma Jun, Luo Longyuan
Lighting Consultant: Sang Si
Logo Consultant: Liang Xiang
Sculpture Consultant: Cox Creative
Construction period: 2020-2021
Owner: Galaxy Real Estate
Photography copyright: Lu Bing
更多 Read more about: Lab D+H