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LDG: Aomen road gallery bridge is a part of newly-built pedestrian traffic system in south central axis, Jiaozhou and the firstly-started Phase I Project. It is the pedestrian overpass across the Aomen road and the greenway of meeting citizens’ recreation walk, fitness running and barrier-free ramp, with the length and height of 90m and 12m, respectively. The bridge design adopts the relevant concept in the field of landscape, integrates the aesthetics of structure “force” and the traffic connection of multidimensional space through the collaboration of professional team of landscape and structure, and recombines the traffic, recreation, game, urban landmark, business, urban environmental sanitation management, etc. in the single building design. The bridge design aims to create a “diversified” and “free” landscape bridge, and its pedestrian streamline is free and smooth and can bear the urban multi-directional people flow to meet the barrier-free requirements in the whole process. The bridge can span east-west urban motor lane, recombine the multiple recreation function to create the urban landmark, connect to part of the urban commercial complex and achieve the pedestrian system with free multi-elevation conversion.
▼廊桥俯瞰图 aerial view of gallery bridge
慢行步道系统Pedestrian Traffic System
In order to further boost the quality and vitality of city and promote citizens’ sharing of public space, Jiaozhou Municipal Government planned to build a pedestrian traffic system in urban important public landscape projects, including Sanlihe Park (completed in 2003), South Central Axis Landscape Belt, (completed in 2014), etc., to further connect the Youth Reservoir, Sports Center, Cultural Center, Conference and Exhibition Center, Shaohai Scenic Spot, Commercial Complex on both sides of South Central Axis, underground commercial space of South Central Axis, and other public buildings. The spatial layout and structure of three centers, commercial complex and South Central Axis landscape belt comply with the north-south uniform urban axis of Municipal Government Office Building, and the regular grand lawn, queuing tree array and orderly and uniform building layout bring people a kind of “high-end, magnificent and classy” feeling, but the rich details and “vivid and participatory” experiences are lacked. New pedestrian traffic system not only complies with the original axial sequence, but also hopes to break through the original form and such axial sequence by presenting a kind of “moving” sense of freedom. In the meantime, the traffic system creates more opportunities for citizens in participation and experience in the change of space. Several overpasses bridge combine the volume, function, structure, surface, lighting, etc. to create the regional landmark.
▼基地和慢行步道系统的关系relationship between foundation and pedestrian traffic system
▼慢行步道系统交通分析图 analysis diagram of pedestrian traffic system
▼慢行步道系统轴侧图，澳门路廊桥是其中的一部分 axonometric drawing of pedestrian traffic system, with a part of Aomen road gallery bridge
廊桥与城市的复合Recombination of Gallery Bridge and City
Aomen road gallery bridge is launched earlier in the whole pedestrian traffic system. As per the overall idea of the whole system, the gallery bridge is not a simple overpass. It spans the motor lane, and recombines the landscape and structure, the function and space, and the behavior and resources as per the landscape concepts of “human centered”, “mass participation”, etc. The gallery bridge is integrated and penetrated into the present integrated environment as per the local condition, and integrates the present resources to create the landmark core of public space in south central axis and to motivate the regional development vitality.
▼廊桥西鸟瞰图，多入口的平面结构造就了廊桥的“城市”形态，而不是集中的桥梁建筑形式 west aerial view of gallery bridge, by virtue of the plane structure with multiple entrances, contributes to the “city” form of gallery bridge instead of the centralized bridge building form
▼廊桥用“延展”的方式整合了基地周围较零碎的环境 gallery bridge integrates the relatively fragmentary environment around the foundation in the method of “extension”
从总体上来说，慢行步道系统首先是一条休闲绿道，可以为市民提供总长度约5公里的健身跑步道，同时它也是一条多功能复合道，在交通慢行的基础功能之上可以叠加多元的城市休闲功能。由于城市中心单一高程（纯地面或纯高架）的步道系统往往容易导致“强制”行走，反而并不显得 “自由”、 “休闲”，这样会影响市民健身运动最大的参与度，能否少使用楼梯，自由方便地出入步道体系是成功吸纳沿线居民参与、进而提升城市生活的关键。因此南中轴的慢行步道系统需要进行反复的桥上桥下的高程转换，并且在全路段满足小于12%的无障碍坡道要求。
Generally speaking, the pedestrian traffic system, as a recreational greenway, provides the citizens with a fitness running road with the total length of about 5km. In the meantime, as a multi-function composite road, it can superpose multiple urban recreational functions on the basis of pedestrian traffic. The traffic system with the single elevation (pure ground or pure viaduct) in urban center often causes the “mandatory” walking and lacks the “freedom” and “recreation”, so the maximum participation of residents in fitness exercises would be influenced. It is the key to use stairs as less as possible and go in and out of traffic system freely and conveniently for successfully absorbing the residents along the traffic line in participation and further boosting the city life. Hence, the repeated elevation conversion on the bridge and under the bridge is needed for the pedestrian traffic system in south central axis, and the whole section meets the barrier-free ramp requirements less than 12%.
▼廊桥功能分析图，景观和结构的复合，功能和空间的复合 function analysis diagram of gallery bridge, recombination of landscape and structure, recombination of function and space
▼廊桥演变示意图动图 schematic diagram dynamic figure of evolution for gallery bridge
Since the urban commercial complex in the south is connected to the floor two and the public pedestrian traffic needs to avoid the north-south building for independent extension, the bridge connects the building and urban environment with the free “extension” bridge in the method of “growth”. Hence, the Aomen road gallery bridge is not only a pedestrian overpass with single form or function. In order to guarantee the “free” and smooth traffic, there are four entrances (in the north, west and east, elevator) in the north of Aomen road; there are also four entrances (in the south and north, the middle business elevator on floor 2 and the elevator) in the south of Aomen road. Hence, the plane structure with multiple entrances contributes to the “city” form of gallery bridge, and the extension bridge connects all entrances with great differences in the position and vertical direction, instead of the centralized bridge building form. In order to sufficiently reveal the freedom of “moving” and the coherence of greenway, the red polyurea as the unique ground material covers all bridge decks, including the step and part of ground set for the faster passage.
▼桥面自由延展，和连续拱并不完全重合，坡道创造了竖向变化和丰富的步行体验 bridge deck has free extension and doesn’t completely coincide with the continuous arch，ramp creates the vertical change and rich walk experience
▼桥面自由延展，和儿童游戏区串联起来，儿童游戏区是桥面延展的“衍生”物 bridge deck has free extension and connects the children’s game zone，children’s game zone is the “derivatives” of bridge deck extension
▼桥面延展后产生优美的弧线 bridge deck after extension generates the graceful arc
▼延展的桥面下部“衍生”出公厕的空间，公厕的墙面也延展出统一的曲面 the space of public toilet is “derived” below the extension bridge deck ，uniform curved surface is also extended on the wall surface of public toilet
▼延展的桥面可以串联更多的入口，多入口可以使慢行更便捷方便 extension bridge deck can connect more entrances ，multiple entrances make the slow traffic more convenient
▼连续的无障碍坡道 continuous barrier-free ramp
▼红色聚脲覆盖了全部桥面和部分地面，未来还要不断延伸到整个慢行步道系统 red polyurea covers all bridge decks and part of ground and will constantly extend to the whole pedestrian traffic system in the future
廊桥“自由生长”的“城市”形态决定了主体桥身也是自由曲线化的，因此廊桥的立体形态需要在曲线或曲面上来继续呼应这种自由的感觉。在慢行系统的规划构思之初， “廊桥”是一个可以为宽大的曲线桥面提供遮荫功能的“棚子”，因此这个棚子是一个双曲面的形态特征，同时设计团队还希望这个棚子不是一个“封闭体”，可以为市民提供观赏周边城市景观的视窗，这也可以看作是“复合设计”的要求。因此随着景观和结构的深入设计，它最后展现为一个连续拱和一个“旋转”覆盖的综合体。七跨连续拱是结构受力的简约方式，其有张力的结构和自由伸展的桥面相得益彰，共同促成了澳门路廊桥成为区域级的城市地标。在桥身内部行走， “旋转”的覆盖由于变化的视角为桥梁提供了灵动的感觉。
The “city” form of gallery bridge with “free growth” decides the main bridge also presents the free curve. Hence, the three-dimensional shape of gallery bridge needs to continue corresponding to such kind of feeling of freedom in the curve or curved surface. At the beginning of planning and conceiving the pedestrian traffic system, the “gallery bridge” as a “shed” can provide the shade for the wide curve bridge deck. such shed has the hyperboloid form. In the meantime, the design team also hopes such shed is not a “closed body” and provides the citizens with the window of watching the landscape of the surrounding cities, which is regarded as the requirement of “composite design”. Hence, as the landscape and structure are designed deeply, the Gallery Bridge finally presents a continuous arch and a complex with “rotation” coverage. The seven-span continuous arch is simple in the structural force, and its structure with tension complements the bridge deck with free extension to jointly contribute to the urban landmark at regional level for the Aomen road gallery bridge. The “rotation” coverage provides the bridge with the feeling of flexibility due to the change of angle when walking in the bridge.
▼连续拱鸟瞰，拱下是双层桁架拱，内部嵌玻璃片 ,参数化导致每一片玻璃片都是规律性地渐变 for the aerial view of continuous arch, there is double-deck trussed arch below the arch which is embedded with the glass sheet，the parameterization causes the regular gradual change of each piece of glass sheet
▼廊桥立面图elevation view of gallery bridge
▼桥身内部“旋转”的错觉为桥架提供了灵动的感觉 the “rotation” illusion in bridge provides the bridge with the feeling of flexibility
▼连续拱和“旋转”的棚子 continuous arch and “rotation” shed
▼廊桥的大视窗，同时体现了结构“力”的美学 the big window of gallery bridge reflects the aesthetics of structure “force” at the same time
夜景和“表皮”参数Night Scene and “Surface” Parameter
The rotation coverage of Aomen road gallery bridge has the double-deck trussed arch structure, but the bridge isn’t rotated. The grand triangle window is reserved only for the purpose of watching the surrounding landscape on the bridge deck for the citizens, and the form is from such change. For the purpose of double effect of sun shade and visual rotation, the “parameterization” glass module is designed on the trussed arch. Due to the hyperboloid, the distance and angle among the glass modules are the gradually-changed parameters. And such change “aggravates” the effect of rotation. In the complex design, the single material element often undertakes the multiple design requirements. In order to motivate the urban vitality, the glass module designs the lighting of night scene. The translucent colorful light is controlled as a whole by embedding the miniature LED lamp bead in over 1400 laminated glass. Citizens feel the artistic atmosphere in the star-filled sky on the bridge deck. The night scene and the rotated glass module further highlight the status and effect of bridge as urban landmark in the form and art and the novel details.
▼参数化的玻璃片可以很好的契合双曲面的“棚子”，参数化的玻璃片嵌入LED灯珠，可以创造艺术化的亮化效果 the parameterized glass sheet can agree with the hyperboloid “shed” very well ，the parameterized glass sheet embedded in the LED bead creates the artistic lighting effect
▼玻璃片细节 details of glass sheet
复合功能的儿童趣味设计Children’s Fun Design with Complex Function
In the design of Aomen road gallery bridge, the children’s playing space on the north side is another light spot in the whole design of the gallery bridge. The walk ramp of bridge deck on the north side is longer, and the larger traffic platform becomes the interesting “hand apparatus” children’s game platform through the composite design. In the children’s fun activity area, 2.55m vertical elevation difference is handled with by utilizing the multi-group children’s slide, small theatre platform and fun climbing wall; the fun digital bench seems to be free, but is orderly scattered on both the bench and the ground. The texture of package edge of stainless steel perforated plate is corresponding to that of stainless steel children’s slide. The light penetrates at night, which not only highlights the modeling features of digital, but also animates the play atmosphere. The children’s playing space is very rich due to the reasonable layout of the Alphabet Fun climbing wall, vitality children’s slide, leisure bench and other facilities. In the children’s playing apace, all grounds, slopes and steps are paved with the red polyurea material, and the plastics with good elasticity are paved below the children’s slide. All of those good elastic materials protect the children in the game play greatly. The overall red ground makes such cool urban landmark filled with unique loveliness and kind.
▼儿童游戏区鸟瞰图 aerial view of children’s play area
▼儿童游戏的复合，导致廊桥人气爆棚，高人气使得儿童游戏区成为设计的亮点 recombination of children’s game causes the gallery bridge is popular，high popularity makes the children’s play area become the highlight of design
▼滑梯等设施很好地利用了桥梁的竖向高差，数字坐凳、小剧场台地、滑梯等设施的合理布置使得儿童活动区的空间十分丰富 the children’s slide and other facilities utilize the vertical height difference of bridge very well ，the children’s playing space is very rich due to the reasonable layout of digital bench, small theater platform, children’s slide, and other facilities
▼数字座椅区夜景 night scene of digital bench area
▼数字座椅细节 digital bench details
In a new era, China’s urbanization level improves constantly, the Landscape (Garden) plays a positive role in all levels of cities and countryside. But due to the professional subdivision in recent years, the Landscape (Garden) focuses on “Agronomy” and ignores “Engineering”, and focuses on “Art” and avoids “Structure”. As a result, the Landscape Designers fail to become true “girder” in the urban design due to the major barrier. Aomen road gallery bridge displays the landscape-led urban construction to strengthen the deep cooperation of landscape and other majors, proactively explore the landscape importance and its value and discuss the method of making “landscape” serve the urban construction better.
设计团队：刘立立, 陈红, 姜红政, 陈春媚, 黄应杰, 孔令军, 陈惟达,熊世宝, 黄彬辉, 曹金健
项目设计 & 完成年份：2016年09月–2019年10月
品牌：高密市万泰钢结构工程有限公司, 青岛晶泰塑胶铺装有限公司, 南京浩辉玻璃有限公司, 泰州市恒越不锈钢制品有限公司, 临朐国涛幕墙材料经销处, 临朐县世安玻璃制品有限公司
Project name ：Aomen Road Gallery Bridge (Jiaozhou South Central Axis Pedestrian Traffic System Phase I)
Company Website ： www.ldgpartner.com
Contact E-mail ： firstname.lastname@example.org
Chief Designer ：Liu Lili and Chen Hong
Design Team ：Liu Lili, Chen Hong, Jiang Hongzheng, Chen Chunmei, Huang Yingjie, Kong Lingjun, Chen Weida, Xiong Shibao,
Structure design：Shanghai Liangjiang Landscape Design Engineering Co., Ltd.
Construction ：Qingdao Haide Engineering Group Co., Ltd.
Customer ：Jiaozhou Urban and Rural Construction Bureau
Project address ：South Central Axis, Qingdao Jiaozhou City
Project design & completion year ：From Sep. 2016 to Oct. 2019
Project area ：0.35 hectares
Brand ：Gaomi City Wantai Steel Structure Engineering Co., Ltd., Qingdao Jingtai Plastic Pavement Co., Ltd., Nanjing Haohui Glass Co., Ltd., Taizhou Hengyue Stainless Steel Product Co., Ltd., Linqu Guotao Curtain Wall Materials Sales Agent, Linqu County Shi’an Glass Product Co., Ltd.
Photography copyright ：LDG/Liu Lili, Chen Hong and Xiong Shibao
Main materials: steel, polyurea paint, LED luminescence glass sheet, stainless steel sheet, colorful rubber, wood grain aluminum square tube, and merbau anticorrosive wood
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