As a part of the park, the garden road not only has the function of transportation, but also has the function of organizing space and dividing scenic spots and landscapes. Since ancient times, the design of the garden road has been very particular. "Garden Metallurgy" said: "Only in hall buildings, there are generous grinding bricks, such as the diameter of the road, the length of the stone, the atrium or the stack, and dense masonry can also be palindrome. Octagonal inlay, choose pebbles to spread Shu brocade ","Goose stones should be spread in places where you don't often walk "and" chaotic bluestones, fighting ice cracks, suitable for mountain halls, water slopes, platforms and pavilions. " He also said: "Garland's narrow road is suitable for stones, and the hall needs bricks to get back to the empty court." This paper only discusses the garden road as a park element from the aspects of color, paving materials and paving forms. The road in Park Road is Garden Road. It is one of the basic elements of the park, which is generally divided into: the driveway mainly for vehicles, the landscape trail for citizens to take a leisurely walk, the fitness trail and all other hard pavements. Garden road not only has the functions of transportation, tour guide, organizing space and dividing scenic spots, but also has the functions of beautifying the landscape, providing activities and resting places and organizing drainage. 1. Main road form of the Garden Road: To contact the whole garden, the needs of transportation, production, rescue, fire fighting and sightseeing must be considered. Secondary trunk road: connecting various scenic spots and buildings and connecting light vehicles. Leisure trails and healthy trails: Healthy trails are the most popular foot massage fitness methods in recent years. Massage the acupoints on the soles of the feet by walking on the cobblestone road, achieving the purpose of fitness and health care, has also become a scene in the park. As the road design of the park, we should pay attention to several points: avoid multiple intersections, so the road conditions are complex and the direction is unknown. Try to be close to the orthogonal, the acute angle is too small, the vehicle is not easy to turn, and pedestrians should wear green spaces. Prioritize priorities, with obvious differences in width, paving and direction. There must be scenery and characteristics, especially the three-way intersection, which can form a landscape and make people remember it vividly. When the garden road is on the hillside, the slope is ≥ 6, and it should be in a winding mountain shape along the contour line. When considering bicycles, the slope is ≤ 8, and the car is ≤ 15. Pedestrian slope should not be ≥ 18%. When the longitudinal slope exceeds 18%, steps should be set, and the number of steps should not be less than 2. Ladders with a slope greater than 58% should have anti-skid places and guardrail facilities. The steps are 30cm wide and10-15cm high. The garden road intersects the contour line obliquely, winding back and forth, increasing the viewing points and viewing surfaces. Appropriate curves can free people from the tense atmosphere, gain comfortable aesthetic feeling and increase interest. The treatment of bends should be smooth and conform to the behavior of tourists. When the garden road meets obstacles such as buildings, mountains, water, trees and steep slopes, it will inevitably produce bends. The curve has the function of organizing the landscape, with a large curvature, high outside and low inside, and railings on the outside to prevent accidents. Arrangements for the disabled and the elderly to use roads should be flat, solid, non-slip, non-stagnant, seamless and large holes in design. The passage space should meet the width required by people with two crutches, and the walking space on the garden road should be accessible to wheelchairs. In the design of the garden road, considering the needs of the elderly, nodes such as rest floors are set up on the garden road to meet the action trajectory of the elderly who need to rest while walking and watching the scenery. When the garden road leads to the building, in order to avoid the tourists on the road interfering with the internal activities of the building, a distribution square can be set in front of the building, so that the garden road can contact the building after the transition from the square; When the Garden Road leads to a general building, the road surface or branches can be appropriately widened before the building to facilitate the diversion of tourists. Garden roads generally don't go through buildings. Meet the needs of field drainage. Garden Road is generally a drainage channel for rainwater. In order to prevent water accumulation on the pavement, the design of the garden road must maintain a certain slope, with a transverse slope 15-20% and a longitudinal slope of about 10%. When pavement design, attention should be paid to water permeability design or drainage ditch should be set on one side of the garden road to avoid water accumulation. The ground drainage slope of the square should not be less than 0.2%; When the slope is less than 0.2%, multi-slope drainage should be adopted, or permeable materials should be selected for permeable drainage. Second, the color of the garden road because in the natural environment color, usually because the scope of human vision is the sky at most, the color of the sky has become the main color in the background color; In the green landscape environment, green has also become one of the dominant colors in the background color. The richer the background color (especially the main color), the simpler and more implicit the main color of the garden road landscape in planning and design; Instead, it is more colorful. At the same time, the auxiliary color and embellishment color of the garden road should be 4 to echo its background hue. Color matching principle: Color matching based on hue is similar to hue matching, contrast color hue matching, hue overlapping matching and hue matching. 1. Similar tone matching: in tone configuration, the matching of two or more adjacent or similar colors. Similar tones are characterized by slight differences between colors, which are different from the same tone and are not easy to produce a dull feeling. 2. Contrast tone matching: a color matching scheme in which two or more colors that are far apart are matched together. Contrast tone creates sharp visual contrast due to the difference of color characteristics, and there is a power of matching or rejecting to balance it, thus creating a sense of contrast harmony. Color matching: two colors with large brightness difference in the same hue are used for color matching, which is also called shade matching in the same hue at ordinary times. 3. Tone matching: This is a method to add brightness and midtones to the basic tones. The color matching based on the hue of high color area gives people a strong feeling. Thirdly, the paving materials of garden roads generally use traditional paving materials such as concrete, stone, anticorrosive wood and prefabricated paving materials. In recent years, due to the consideration of future ecological protection and sustainable development, more and more new environmental protection materials have appeared, expanding the selection range. 1. Concrete: generally refers to cement concrete and asphalt concrete. It has the advantages of low cost, simple laying, strong plasticity and high durability. Through some simple processes, such as dyeing, painting, etching and molding, beautiful patterns can be drawn and changed according to design requirements. 2. Stone materials: mainly divided into granite, slate, pebble, machine-made stone and gravel. (1) Granite refers to all kinds of rocks with decorative function, compact structure, hard texture and stable performance, which can be processed into required shapes. According to the different processing technology, the texture of granite surface is often divided into polished surface and matt surface: the sawn wool board is further polished to make its thickness, flatness and gloss meet the requirements. Fully show the original color, pattern and luster of granite. Burning surface: singeing processing, also known as spray burning processing, uses flame spray burning to make some particles on its surface expand and fall off, forming undulating and orderly rough patterns. Hand-chiseled surface will be processed into required products by wedging, chiseling, chopping, repairing and polishing, and its surface can be rock surface, mesh surface, hammer surface, axe chiseled surface, etc. Machine chiseling: the stone surfaces with different textures are drawn and polished to form different patterns. The common surface layers of machine-chiseled noodles are mainly litchi noodles, wiredrawing noodles and longan noodles. Natural surface: without special treatment, the surface is different in height and bottom, and the three-dimensional effect is strong. (2) Slate: it is a kind of porous stone with the characteristics of environmental protection, no radiation, sound absorption, moisture absorption, heat absorption, thermal insulation, non-slip and natural color. Commonly used types in gardens: green slate and embroidered slate, which give people a natural and quiet feeling and are suitable for sightseeing trails. (3) Pebbles: Pebbles are rich in color, simple and natural, small in size, can be collaged into different patterns, and have the health care function of massaging soles. Common pebbles, colorful stones, and raindrop stones are common paving materials for fitness trails. (4) Machine-made stones: generally divided into washed stones, epigraphy, etc. It is made of pebbles, sea sand, etc. , polished by water mill into fine stone rice with particle size less than 10 mm, common colors are yellow, red, white and mixed colors, which are mostly used for sightseeing trails. (5) Gravel: Gravel can be seen everywhere in nature, and it can also create extremely natural effects in the park landscape. Because of its strong water permeability, the garden road paved with gravel is not only dry, stable and solid, but also provides the most ideal growth environment for plants. It is more suitable for country parks, reflecting the natural and wild effects and reducing the traces of artificial beautification. 3. Anti-corrosion wood: It is generally made of eucalyptus, teak, Chinese fir, pine and other logs after anti-corrosion treatment, and is mostly used for plank roads in parks, which is in harmony with the landscape and reflects nature and wild interest. The biggest advantage of wooden pavement is that it gives people a soft and cordial feeling. 5. Environmental protection material (1) Permeable concrete is a kind of porous lightweight concrete made of aggregate, cement and water. It does not need fine aggregate, and the surface of coarse aggregate is covered with a layer of thin cement slurry, forming a honeycomb structure with evenly distributed holes, so it has the characteristics of air permeability, water permeability and light weight. Permeable concrete has the characteristics different from ordinary concrete: small bulk density, inconspicuous capillary phenomenon of water, high water permeability, less cement consumption and simple construction, which can make rainwater quickly penetrate into the ground, reduce groundwater, maintain soil moisture, alleviate the sharp drop of urban groundwater level, reduce the burden of urban drainage facilities when rainfall is concentrated, and prevent some environmental problems such as river flooding and water pollution. (2) Water permeable bricks generally refer to pavement bricks with good water permeability. Other advantages are: ① It can reduce the burden of urban drainage facilities and prevent river flooding and water pollution when rainfall is concentrated. (2) It can make rainwater quickly penetrate into the ground, reduce groundwater and keep soil moisture. (3) Prevent water accumulation on the road surface, and do not reflect light at night, so as to increase the safety and traffic comfort of the road surface. Adjust the temperature and humidity of urban space, improve the urban thermal cycle and alleviate the heat island effect. (4) Large porosity can reduce the road noise when vehicles are running and create a comfortable traffic environment. ⑤ A large number of gaps can adsorb urban pollutants (such as dust) and reduce dust pollution. ⑥ Easy to maintain, and the gap will not be damaged or blocked. According to the different manufacturing processes and materials, water-permeable bricks can be divided into the following five types: ordinary water-permeable bricks: porous concrete materials made of ordinary gravel are pressed. Polymer fiber concrete permeable brick is made of granite aggregate, high strength cement and cement polymer reinforcement, mixed with polypropylene fiber, fed in strict proportion, mixed and pressed into shape. Colored stone epoxy permeable brick is made of natural colored stone and imported modified epoxy resin. After special processing, it can form various artistic figures and color lines, giving people a pleasing feeling. Steel slag permeable brick is a paving material made by recycling waste steel slag and combining the basic properties and principles of permeable brick. Its strength and hardness are far greater than other kinds of permeable bricks. 4. Paving forms In classical gardens, enzyme paving forms are mostly bricks, pebbles, stone chips and tiles, forming a combination of various exquisite patterns and colors, such as swastika, begonia, octagonal scene, octagonal olive scene, goal style, long eight style, sunflower style, ice plum style, etc., which are woven like brocade and have considerable ornamental value. The pattern of gold and silver flowers symbolizes perseverance; Orchids symbolize elegance and tranquility, noble character; Ao Shuang of plum blossom symbolizes firm will. In the pavement form of modern gardens, it inherits the beauty of rhythm in classical form design, and is different from classical garden pavement. It has the characteristics of simplicity, lightness, generosity and novelty, which adds a sense of the times. Through the combination and division of various materials and the use of colors, a novel park landscape element is formed. The above are collected and sorted by Zhong Da Consulting Company.

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