Today, it is used in landscaping GRC Making rockeries has become a common way of landscaping. GRC is a reinforced material made of alkali resistant glass fiber, sulphoaluminate low alkalinity cement as a cementitious material and mixed with appropriate aggregates to make a base material. It is an inorganic composite material manufactured by spraying, mold casting, extrusion, slurry flow and other production technologies. This material has many advantages, such as light weight, high strength, frost resistance, moisture resistance, strong plasticity, short cycle of customized goods, etc.
Using GRC to construct rockery, the construction technology is simple and the appearance is rich and varied, which can achieve a high simulation effect in natural color, texture and three-dimensional sense. However, industry experts also said that in order to make GRC rockery more vivid and vivid, more efforts should be made in the rational use of goods, improvement of construction methods, and improvement of material performance.
Baotou partition board The reporter was told that GRC has been used in landscape engineering for more than ten years. In the whole construction process, demoulding on real rocks is a very critical process. "The seemingly simple demoulding, in fact, contains great knowledge and requires high technology, such as glass fiber ratio, molding method, etc. Only when the technology is in place, can the GRC rockery scene have a very delicate texture and achieve a very high simulation effect." Duanmuqi explained that the Beijing Botanical Garden greenhouse was opened to the public at the end of March 2000, and the rockery in the greenhouse was made of GRC. In order to present a more natural and beautiful tropical rainforest landscape, the construction personnel made a special trip to Yunnan for rock demoulding. The color and texture of the GRC rockery are not too different from the natural rocks after the mold turning, and the overall scene is very natural. "The technical level of the construction personnel has a direct impact on the role of rockery production. While knowing the structure and texture of natural rocks, they also need to master some construction skills. For example, the GRC components after demoulding should be spliced to form a large rockery. When connecting gaps, they must be careful and carefully carved, otherwise the authenticity of the rockery scene will not only be reduced, but also become a major failure in landscape design, It will also directly affect the service life of the rockery. "
Experts emphasized that the rockery made with GRC can meet the requirements of the project on the height and space span of the mountain stone scene. The construction personnel should adapt to local conditions when creating the scenery, and combine it with the site environment organically to prevent the mountain stone scene from being incompatible with the surrounding scenery.
Compared with the advantages of natural rocks in "weight", GRC rockery is often presented in large-scale waterfall landscaping, roof garden construction, garage top greening and overhead floor scene construction. While greatly reducing the load of structures, it can also create a vivid and natural scene. Of course, the material characteristics of GRC also make it have some limitations in the texture and appearance of rockery. Generally, it will be severely weathered in the next ten or twenty years, affecting the scene. Therefore, some experts and construction enterprises said that their materials should be improved. According to Han Jianzhong, the United States has developed a new GRC product that is resistant to weathering and has a thin material layer. The rockery is more beautiful and popular.
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