The allotment spans the main stream of the Pingshan River in northeast Shenzhen, with Pingshan High School and Feng Tian Shi Ju (a classic Hakka closed doleading) on the north bank and some residential buildings, advertisements and workplaces on the south. Bank. No bridges were to be had between the two shores within a 1 km walk from the assignment. This lack of close connection has caused not only inconvenience to the care of academics, but also constant congestion, a nuisance to city life, on remote Jinlong Avenue in the west and Pinglian Road in the east of the assignment. After a public inquiry into the improvement of the roads and the surrounding traffic of Pingshan, the district government built a pedestrian bridge across the river between the two roads to allow a convenient pedestrian flow for teachers, academics and citizens between the north and south banks of the river, ease the stress of rush hour traffic on doleading and provide the surrounding citizens with a position to enjoy the river’s prospects and a life of leisure.
At BridgeBridge, as a special construction typology, it has long been a special lifestyle.If the connection of traffic is considered its fundamental attribute, spatiality, milestone, and cultural symbol can shape other attributes vital in terms of aesthetics for the bridge lifestyle, either as a physical feature or as a space.Therefore, how to create a new visual and traffic delight on the Pingshan River Express site has the starting point and challenge for our design of this pedestrian bridge.
The design: Form – Space and Structure In the first technique through the client, no express needs were given about the location of the bridge, that the access to the bridge should not directly face the main front of the school and the intersection of Zhenhuan. Road or paddle too far from them. Based on the dating between the main front of the school and the Zhenhuan road, we proposed 4 conceptual design features with other site locations. These proposals were to frankly show the coherence of the architectural form and structure; Meanwhile, they also attempted to interpret classical Hakka culture in a new context, which served as a starting point for the design.
The design proposal for implementation was finalized by public online voting. In particular, the central axis of the bridge, aligned with the Zhenhuan road, defrotes from the main front of the school. To avoid the effect of crowds after school at the intersection of the road, the bridge is split in two on the south bank to join with the sidewalk, forming a Y-shaped flat path.In this way, the architectural area and structural shape of the bridge are unified in the design.
The bridge spans 70 m over the Pingshan River. Its elevation design prioritizes dating between the bridge deck and the surrounding environment. The starting point of the bridge on the north shore will need to be at least five m from the bike lane in front of the school gate to minimize the effect on traffic at the school entrance. The main design of the bridge deck deserves to be higher than the once in a century flood point and well avoid existing sewage interception. While barrier-free access is ensured, the bridge platform will also need to smoothly connect to the trails on the north and south banks, either of which has a height difference of approximately 1m. Headroom below deck ensures comfortable pedestrian enjoyment on Category II oceanfront trails. To protect pedestrians from the hot and rainy weather typical of southern China, the bridge is covered with a linear roof which, unlike the varying heights of the platform, contributes to a concise, quiet but forged presence of the bridge.
A suitable aesthetic shape is very important for the bridge, as it meets the previous needs and fundamental situations of structural technology, so the declining component of the bridge was examined to eliminate the differences between the elevation of the terrain and the Structural Section.For maximum bridge sensitivity, a horizontal line was drew to balance the weight loss caused by the rotation and the difference between the descent component and the bridge board.This concise and direct shape conveys a tension of tranquility.To balance the shape and aesthetics, the architect sought to highlight the unity of form and design through the direct maximum force transmission track and the less structural components.
Initially, the architect designed a structural formula similar to that of the pedestrian bridge at Rihui Port in Shanghai, specifically the bridge board looks like a three-lane cable layout, while the most sensitive of the bridge is made up of suspensfinished.metal plates, whose horizontal finishing force is resisted through sloping columns and cables.During the first phase of structural coordination, wind-resistant columns or cables were planned to stabilize the most sensitive of the bridge, given the limited strength of the long-range suspension.metal roof to typhoons in Shenzhen in the summer.After adding connection parts between the most sensitive part and the back of the bridge, the entire bridge inevitably gave the similar impression to a lattice design, which conflicted with the constraint logic inherent in the three-way beam The structural engineer also sought to avoid repeating the structural formula of the pedestrian bridge in the port of Rihui.-Permanent provision provided instead.
In the architect’s view, the elements of the mid-segment of the atirantado layout were too bulky and the visual appearance was monotonous and repetitive.The architect hoped that the domain and shape of the bridge would adhere to the number one and secondary logic of the design, and that the most sensible thing about the bridge would be as horizontal and bright as possible, with clear perspectives on both sides of the domain halfway through the range. In this sense, the architect and structural engineer agreed on some key aspects of structural design, i.e. avoiding the formulas of lattice beams and three lanes, and exploring the option of a unified orchestration of the architecture and design of the platform and the most sensible bridge.Finally, discussions on these key issues led to the conclusion that the cable -The style of stays is preserved, on the basis of which the structural engineer developed a special structural formula to mix the cable-stayed design with a three-way beam.
With the consensus reached on the structural system, the architect redesigned the design of the bridge using the spatial composition. The steel plates are used to close the 4 triangular regions between the diagonal bars of the main deck deck at the intersection of three lanes, forming forged surfaces. Then, said forging vacuum dating is extended to the slender columns of the fitted roof, which are adjustable in quantity, period and angle according to the structural calculation. After comparing various features in models, we nevertheless decided on the diagram with a column period of 1 meter and a 75 degree angle between the column and the most sensitive of the bridge. With this design approach, the bridge facade achieves a well-proportioned balance between floor and void; this time, the dating between architecture and layout vanishes so that the sense of area and position of the former is shared through the latter.
It deserves to be discussed that, in this formula, the bridge board is a mixture of bending force (beam) and axial (wire-wire) formulas, while the most sensitive of the bridge is a mixture of long body formulas (beam-box) and transverse force transmissions (frame). Although the formula does not have an undeniable and undeniable means of transmission of force flow and visual perception, it has a transparent and articulated internal force transmission logic.Such an experiment in deconstruction of staggered and empty solidity is a structural reaction to the area and shape, and the effects of synthetic diversification of the force transmission steed.Complexity and diversity reflect the adaptation of mechanics and aesthetics to the multiple needs of the design process, more than a blind pursuit of complexity.
Detailed design With well-coordinated dating between area and design, metal plates are used to close the side edges of variable cross-section beams on the most sensitive platform and platform, visually cutting the volume of the design and providing a smoother appearance.to a differently heavy design. Metal plates with other bent surfaces have a soft effect and varied shade under the sun, editing the feeling of area on the deck.
For a clean, blank facade, low iron glass is used for the railing, while the fluted glass feet penetrate the U-shaped groove reserved for the beam box on the platform platform.The platform covers correspond to the sloped columns. To drain the upper precipitation well on the bridge platform, a corner metal foreground is used for the stormwater collection channel at the bridge platform and railing junction, the spaces between the glass railing joints and the watertbed slope of the bridge board.Drainage.
To soften the design, the lamps and ducts are hidden in the volume of the structure, providing festival mode and mode and combining a point soft font with linear resources to brightly remove darkness from the structural parts of the bridge.the surface of the water offers another beautiful view.
Conclusion With all these efforts, the facade and shape of the bridge seem empty and conceited with elegantly staggered solidity and emptiness. The final design proposal presents a well-controlled tension and an articulated hierarchy in the visual experience.blurs, and the path founded on the “rendering logic” is assigned the area and place name.
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