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The urban landscape lighting-in XianYangShi que weihe river landscape planning on both sides as an example

ZhangJing snow

(chang-an university, school of architecture of xian in shaanxi 710064)

Abstract: urban landscape with lamplight illume is remodeling of urban landscape image at night. It is a city of social progress and economic development the important embodiment of the overall style characteristics. Most of the city's landscape lighting lack of unified planning or planning lags behind, the faces many problems. Enhance landscape lighting features expression, make the city space in the vision more explicit, the urban characteristics in the more clear intention to have the important meaning.

Key words: the city landscape lighting landscape planning

introduction

City landscape Lighting at night, hereinafter referred to as the urban landscape Lighting, CIE94 date file name for the use of "night outdoor city landscape decoration Lighting" (Exterior Lighting for the decoration of the night time

Urban landscape). Some developed countries in the world at present in parts of the city at night like a sea of light, lighting the requirements, art, culture grade level is higher; Developing countries from the night view of engineering construction, and the development also very quickly.

1. The city landscape lighting planning and design of necessity

(1) will help to improve the environmental quality

At present many cities, night space environment still with a single lighting function is given priority to, most of the city is facing business, downtown and bright, and residential area, the main street, the present situation of the dark. These problems are produced, is due to a lack of unified, scientific planning and design.

(2) to beautify the city image

At present, the concept of image construction in order to deeply the brain, than the big, high, than than bright billboard as enterprise signs resolutely and stand, but the result of the combined but polluted the urban night landscape, the beauty of individual difficulty in forming the beauty of the whole, destroy the city's image.

(3) help to promote the prosperity of economy

City nightlife is urban economic development to a certain stage of the inevitable product, modern city nightlife contents contain tourism, entertainment and so on, the service function of the city night promoted the development of the third industry city, to the city landscape planning and design is also night in order to make economic construction and urban of each function harmonious and unified.

2. The current urban landscape lighting for attention to problems

(1) the urban landscape lighting the scale of the problem

In recent years the parts of the city landscape lighting scale more and more big, lighting engineering more and more, there seems to have a floor will light phenomenon. Evaluate a city landscape lighting is good or bad, the key is to see whether the image of the city reflects characteristics. Such as people say Paris city night good, in fact is to point to a small, but can reflect the characteristics of the Eiffel Tower in Paris, the Louvre, champs elysees and the Seine river at night. Therefore, in the planning and construction of urban landscape lighting, the emphasis on the individual character of respect our city, emphasizing the special features of city, take this city reflect features of building, structures and scenic spot lighting.

(2) the method of urban landscape lighting

In before reform and opening-up, China's urban landscape lighting, such as building the landscape lighting is almost exclusively with LunKuoDeng lighting, the landscape lighting is to use commercial street neon light, in recent years, city building the landscape lighting and almost all adopt the single floodlight lighting system, makes the lack of lighting levels, stereo feeling bad, lighting the general effect is poorer. And glass curtain wall construction method of the landscape lighting, many places the high power omni lighting, result not only wastes a lot of electrical energy, and should not receive the lighting effect, glass curtain wall or a darkness.

(3) the landscape lighting light pollution

With the rapid development of urban landscape lighting, especially high power high intensity discharge lamp in landscape architecture lighting and widely used in the road lighting, building and road surface brightness continuously improve, dazzling street lamp and lights advertising and signs along the way, make drivers feel drive nervous. Caused by the problem of pollution in expanding, it can not cause the social from all walks of life and lighting workers concerned.

3. The overall features of the landscape lighting and practice

3.1 the overall features of the landscape lighting

Because the city at night losing the sun the reference point, people's sense of direction, dimension are relatively lower, fuzzy space of city easy cause people to panic. Therefore strengthen landscape lighting features expression, the urban characteristics in the more clear intention to become particularly important. The general characteristics of landscape lighting mainly divided into the following five:

(1), appeared on the surface of the water and the edge of the land transfer or building development and open space JieRangChu;

(2) the connection-can be a square and other combination open space system and elements of the focus, the main river channel and also can become the main connections of open space functional;

(3)-to provide natural green wedge landscape elements and artificial environment between equilibrium;

(4)-can focus is square, monument or important buildings before the open space;

(5)--natural continuity, a group of river park road or connection square space sequence can form continuity.

3.2 the landscape lighting planning and design Taiwan

Based on the above quoted the landscape lighting more than five characteristics and the current landscape lighting put forward, the existing problems of the landscape lighting planning design in the preliminary application in practice.

(1) project background

Monetary policy on real estate prices of kunming influence the empirical research. salty, the bank line about 4 km long, about 226 hectares of land use planning. With the trend of the development of the south across the UK, the weihe river will be the city river, and the trend of integration of salty, landscape corridor will become the weihe river city development business card, foreign traffic of the link. Therefore, the whole of the weihe river landscape corridor "light" is very important for design planning to embody in one thousand of the ancient city of deep cultural rendering is very important.

Because base belongs to the urban waterfront, so the landscape lighting mainly divided into three areas: waters, part of shoreline and dryland part. Three large area of the landscape lighting in the form harmonious unity and highlight, functional lighting and entertaining lighting with the combination of background, strive to local variety, build is suitable for the person entertainment city night landscape.

(2) lighting classification analysis

(1) strictly control the sidewalk lighting Angle projection, accord with a scale, reduce the dazzling glare, avoid to nearby residents light interference, local characteristic selection of weihe river coast the lamps and consider the unity of the landscape elements. Straight road to the special effects to the effect of the logo, meandering using lawn lamp lighting, intensity of illumination requirement downy. Floodlight appropriate height is no more than the sidewalk 3 m, with a light pole in 2.0-2.5 high appropriate m. Building population and parking space available pile light and height should be lm, with reflector, will light reflection on the ground. (2) square lighting: use the pole lighting, decorative lamp and ground lamp combined. The density of lighting and control to adapt to the different requirements of at ordinary times and festival. Decoration lamp pole consider the festival decorates the possibility of colourful flags. (3) green lighting: used for green belt lighting lamp and other devices should choose dark brown or black, in order to achieve and greening of an effect. Should not use light to change the color of the original plant. Installed in green space within the lighting lamps and lanterns, should try to concealment, should not affect the day of landscape. (4) the water scene lighting: should meet the requirements of the landscape lighting, water spray, and the selected lamps for underwater must lamps and lanterns, when there is no water in the pool does not affect the appearance. Poured more local choose relatively the light intensity of illumination, the rest of the surface intensity of illumination requirement dim downy.

Under the bridge (5) lighting effects: combined with the design of the bridge, as image entrance, the special lighting design, extremely landscape sex.

6 roadway lighting effects: lamp lighting, meet strong intensity of illumination requirement, lamps style choice contracted style. 7 axis lighting effects: choose bright, has the mark sex lamps and lanterns.

4. Epilogue

Through the survey and access relevant information, to the city the night of the landscape lighting related concepts, the necessity of the unified design as well as the basic problems of the existing landscape lighting the systematic, and also in cases do the preliminary exploration applications. The urban landscape of the whole city special features of lighting build plays an important role in the landscape lighting as an important part of the landscape design, should not ignore the overall planning and detailed design of the local.

References:

[1] WangXiaoYan. Urban night planning and designing. Southeast university press, 2000.08

[2] LiTieNan. The landscape lighting creative and design. Mechanical industry press, 2004.08

[3] FanShan meal. City light environment. China architecture &building press, 2007