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Hong Kong-Zhuhai-Macao Bridge Creates Wonders on Earth

   Release date: 2019-09-17     Hits: 28     Comment: 0    
Note: Hong Kong-Zhuhai-Macao Bridge Creates Wonders on EarthThe overall design concept of Hong Kong-Zhuhai-Macao Bridge includ

Hong Kong-Zhuhai-Macao Bridge Creates Wonders on Earth

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The overall design concept of Hong Kong-Zhuhai-Macao Bridge includes strategic, innovative, functional, safety, environmental protection, cultural and landscape aspects.

The main bridge of Hong Kong-Zhuhai-Macao Bridge is three long-span steel cable-stayed bridges, each of which has its own unique artistic conception. Among them, the bridge tower of Qingzhou waterway absorbs the cultural elements of "Chinese knot" and "curvilinearizes" the original right-angle and straight-line shapes, which makes the bridge tower smart, delicate and elegant. The shape of the tower crown of the main tower of the river-to-sea Waterway Bridge is derived from the element of "white dolphin", which is combined with the marine culture of the dolphin reserve. 

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The main tower of Jiuzhou Channel Bridge is modeled from "sail". It implies "long voyage". It forms a serialized modelling effect with the tower body of river-sea direct ship channel. The overall shape of the bridge tower is beautiful, affinity is strong, and has a strong landmark charm. Eastern and Western artificial islands absorb the element of oyster shells, implying that oyster shells abound in Hengqin Island, Zhuhai. The overall design of Hong Kong Port is innovative, beautiful and energy efficient. The traveling inspection building is designed with a wave-shaped roof. To support the roof, the pillars of the building are tree-shaped, conical below and branch-shaped above. The toll station closest to Zhuhai is designed to be curved, with a steel column in front and several cables pulled behind, like a huge anchor. The height difference between the water and underwater parts of the bridge is nearly 100 meters. It has both horizontal curve and vertical height. The whole bridge is as slender and lightweight as a ribbon. It links multiple nodes together, implying "perfect connection". Qianshan River Bridge adopts corrugated steel web prestressing composite box girder scheme, adopts sky-blue painting scheme conforming to green ecological characteristics, which is light and beautiful in shape and natural ecological landscape; the bridge body is vigorous and light, like sleeping wave, sky-blue corrugated web and Qianshan River waterway reflect each other remotely, just like water and sky. It forms a gorgeous scenery line between the Strong wind and the surging clouds.

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“In the project of Hong Kong-Zhuhai-Macao Bridge, large-scale application of LED light source, according to the overall design style of the island, in view of the anti-salt fog corrosion and fog weather on the sea surface, small light body LED street lamp has been widely used. The exterior of the lamp is made of stretched aluminium with die casting end cap. It has high wind resistance and corrosion resistance, and adopts photoelectric separation technology. It is easy to install and maintain without tools. The heat dissipation structure of the module adopts chimney type heat dissipation, which guarantees the effective life of the light source and the best working condition.”Mr Wang, at gmtlight.

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In view of the harsh requirements of "low water resistance rate", "non-interference between land, water and air three-dimensional traffic lines", "environmental protection" and "traffic safety" in sea-crossing projects, the Hong Kong-Zhuhai-Macao Bridge adopts the construction form of "bridge, island and tunnel in one". The whole section of the bridge presents a S-shaped curve, and the axis direction of the pier and the flow direction of the current are roughly level. It can not only alleviate driver fatigue, but also reduce the water resistance of bridge pier, and improve the architectural aesthetics.

Cable-stayed bridge has many advantages, such as large span capacity, beautiful shape, good wind resistance, fast and convenient construction, good economic benefits, etc. It is often one of the optimal bridge types for large-scale sea-crossing bridges. Considering the economic, aesthetic and other factors of bridge construction, as well as the requirements of navigation grade, all the three navigation orifice bridges of the main bridge of Hong Kong-Zhuhai-Macao Bridge are cable-stayed bridges, which are stretched from about 3000 tons of self-weight main tower to bear about 7000 tons of girder surface by several super-high-strength parallel steel cable-stayed bridges of 8-23 tons and 1860 MPa. The bridge has the characteristics of large span, high pylon and strong structural stability.

Mr Niu, in gmtlight, "The Hong Kong-Zhuhai-Macao Bridge has strict requirements for LED lights, with LED lighting efficiency (> 115Lm/W), average life (> 70,000 hours L80 (35 C ambient temperature); protection grade IP66, and passed CQC and salt fog tests; color temperature error (< 300K); helicopter platform has professional platform guiding lights, which do not interfere with helicopter lift and fall in the light design. Flight must not be affected. Customized products, short delivery cycle."

“Every detail of the Hong Kong-Zhuhai-Macao Bridge embodies the elements of science and technology. Lighting is a very small project. For those who major in LED lighting, they are also making progress in their study and research.”Engineer Of Gmtlight.


 
 
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