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About the park landscape footbridge material selection and color: different materials with different shape, at the same time, also have different colors, effects on the landscape is also quite big.Now the park landscape footbridge is also commonly used steel, aluminum alloy as the main material, usually predominantly pastel colors, the lack of change, the material and color is generally suitable for use in a part of the new park area, but for some special areas, we should pursue change, so as to adapt to the different environment.For some wood as the main building area, small span footbridge can use wood as the main building materials, can also be painted wood grain color, it is better to add the traditional classical roof at the top of to keep the ancient city of style;If there is a stone and brick building area, etc can be used to make stone arch Bridges with main building materials stone bridge.In some areas green area is big, beautiful scenery, eye shot is open, the buildings are covered in green bosk, in such an environment, build fine white tone or a red tone landscape bridge is more suitable.
Park landscape footbridge details and decorative although there is no main structure modelling so conspicuous, but when people walk in them, can touch, often can appear very important, the heart of the design, can produce more pleasing effect.Park landscape footbridge detail structure and decoration, including the railings, bridge deck pavement, green and so on.Different human bridge park landscape in detail and is decorated with different requirements.For most of deck, for example, ornaments should be few and well chosen, it should be designed to be thin, transparent;For pedestrian bridge link building, however, you should use some neighboring buildings more forms of construction and decoration.Space truss structure can not only, still can make baluster or roof, so often can form a grand, fluid form, make the park landscape footbridge landmark landscape of the park.
Park landscape lighting design of pedestrian bridge: park landscape lighting design of pedestrian bridge with the main melody of the beautiful scenery, near the harmony with the surrounding landscape, which shows the characteristics of building groups;At the same time, for the pedestrian bridge square, park, can also be done with the surrounding environment is different, so that they become the focus of people line of sight;But for most of the flyover, actually is not suitable for too much light, even some places have to deliberately doing a little gloomy;Some special significant park landscape footbridge will choose the focus to do the processing of lamplight.
In general, the park landscape lighting design of pedestrian bridge to be focused, close put it best.Generally speaking, the most taboo is perfect lighting.
Keywords: Pedestrian bridge design;Simple hollow board beam
目 录
1.绪论 8
1.1预应力混凝土简支空心板梁桥概述 8
1.2 毕业设计的目的与意义 10
2、设计资料 11
2.1、工程概况 11
2.2、设计参数 11
2.3、技术条件 11
2.4、设计要求 11
2.5、规范标准 12
3、桥跨总体布置及结构尺寸拟定 13
3.1本桥主料材料 13
3.1.1 混凝土 13
3.1.2 预应力钢绞线 13
3.2尺寸拟定 13
3.3 桥孔分跨 14
3.4 截面形式 14
3.4.1 立截面 14
3.4.2 横截面 15
3.5 梁高 15
3.6截面尺寸 16
4.荷载内力计算 17
4.1 恒载内力计算 17