Artistic lighting on the Cable-Stayed Bridge over Hieu River

The cable-stayed bridge across Hieu River - the project connecting the North Hieu River Urban Area with the center of Dong Ha City - is an artistic highlight that highlights the urban river landscape. Visitors to this cable-stayed bridge space will experience the art of lighting, the emotions between light and architectural space.

Cable-stayed bridge over Hieu River - Photo: THT

Lighting can add emotional value to architecture, helping to create a spatial experience for people, drawing attention to the structure, color and form of a space. Vision is the most important means through which we enjoy architecture, lighting helps us perceive architecture more clearly.

At night, when the sun sets, the architecture of the building is engulfed in darkness, and exterior lighting plays an important role in expressing the architectural form. This is especially important for buildings - especially those that act as a highlight, with directional meaning in urban space.

There are three types of lighting. They are focal lighting, ambient lighting and bright lighting. Focal lighting is called task lighting, it points out important elements and draws attention to areas. Ambient lighting (called general or ambient lighting) is background lighting that illuminates the entire space, without creating shadows so that people feel safe, creating a sense of freedom and limitlessness of space. Bright lighting (called accent lighting) is a type of lighting with changes and colors, stimulating human emotions. The cable-stayed bridge across the Hieu River has used this type of lighting. Bright lighting stimulates the optic nerves, awakens curiosity and attracts and captivates viewers.

The lighting solution for the cable-stayed bridge over Hieu River not only simply illuminates the project but also takes into account the surrounding landscape, harmonizing colors, contrasting brightness, layout, and shape, thereby clearly depicting the characteristics of the project in the general landscape.

The elements of lighting, light direction and light color on the modern cable-stayed bridge over Hieu River and the lighting effects of the building make the functional relationships clear.

Creative lighting elements help viewers to admire the building and bring a diverse, interesting and emotional scene. To do this, lighting must be based on the scale, nature and characteristics of the building.

Here, lighting is not simply installing lights but also satisfying requirements such as: highlighting the main view of the project, clarifying the limits of the project, depicting specific details such as patterns, decorative lotus symbols, cable-stayed bridges, arches, columns, reliefs...; at the same time creating contrasts of light and dark, color, and depth. The lighting system of the cable-stayed bridge across Hieu River is a lighting system that goes into depth, is stable and sustainable. It creates an attractive, lively and brilliant look for the bridge.

To make this project more effective, should we classify the scenario for the project with different lighting levels, divided into different times of the week and year to reduce monotony and avoid wasting energy?

Trinh Hoang Tan

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