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The Origin and Evolution Process of Concrete Floor
Nov 07 , 2020

Concrete floor is a kind of integral ground that uses cement and stone particles as the main material. In the course of China's ground development, it has successively experienced such forms as terrazzo floor, fair-faced concrete floor, and colored wear-resistant floor.

1. Still fashionable terrazzo floor

Terrazzo has the strength, wear resistance and durability of natural stone, and it is smooth, easy to clean, and good integrity. As the indoor floor of a large number of public buildings, it is practical and beautiful.

The new type of terrazzo has new developments in color and pattern. The decorative effect can meet the modern aesthetic needs, and it can also meet the requirements of environmental protection. It is safe and non-toxic, does not release harmful substances such as benzene, formaldehyde, and has no radioactivity. In addition, compared with building materials with similar effects, decoration investment can be saved by 2/3. Many universities and hospitals use terrazzo of different tones for indoor floors, which have achieved good appearance and effects.

Because terrazzo feels cold and hard in winter, and need strict construction technology requirements, multiple procedures, and long construction period, these restrict the wide application of terrazzo floors. Especially in recent years, the blind conformity of Chinese people in interior decoration makes terrazzo seem to be no longer fashionable. There is even a "fashionable" method of smashing the terrazzo with better overall effect and replacing it with ceramic floor tiles and natural stone. In contrast, in many developed Western countries, luxurious places that shouldn't be wasteful are never wasted. A large number of airports and offices are all terrazzo floors. The 5,000-square-meter main office hall of Endell Performing Arts Company which is the most influential company in Hollywood in Los Angeles uses terrazzo floor, it matches the various high-end decoration materials and fashionable decoration methods throughout the room, and achieves good interior decoration effect.

2. Economical and energy-saving fair-faced concrete floor

Fair-faced concrete floor is the practice of using concrete directly as a finishing layer. It does not include the floor form where concrete is used as the main force-bearing member and the surface is veneered. At the beginning of the 20th century, people generally believed that concrete should be hidden. In 1925, British architect Beresford Pite pointed out: "The less exposed the concrete, the better. It is not as precious as marble." After the 1920s, many architects' views have changed. In 1937, the French concrete master Auguste Perret used concrete without any plastering surface in the interior and exterior of the public civil engineering museum designed in the center of Paris. Perret believes: "Concrete can meet various functional requirements under various conditions, and the practice of hiding concrete is no less harmful to the material mission, because in the future all buildings will be constructed of concrete." But after the 1960s, most of the concrete was hidden under the surface layer of materials such as stone, glass or metal plate, and rarely exposed directly outside. It was not until the 1990s that concrete was re-emphasized as an exterior finish.

In 1996, American designer Seth Stein designed the Stan residence in London, England.Most of the floor in the house was gray concrete and was decorated by hand to form an orange peel texture. The Swiss architect Peter Zmthor decorated interior with exquisite fair-faced concrete surfacesofthe Kansaus Art Museum in Bregenz, Austria.The concrete floor is given new life.

The Mrgadava Museum of Stone Sculpture designed by Chinese architect Liu Jiakun uses fair-faced concrete as a whole. The interior uses the same rough concrete walls and floors as the exterior, giving the museum a feeling of "underground palace". It can be seen that, as long as thecommonconcrete floor is used properly, it can also create modern and classic places. The study also found that in addition to simple construction and space saving, the concrete surface layer can also avoid pollution or the breeding of bacteria, and it also has a significant effect on reducing energy consumption ofbuilding.

3.Beautiful and practical colored wear-resistant floor

Colored wear-resistantflooris also called imprinted concrete or textured concrete, which is thefloorthatcolorfixing, color matchingand surface strengtheningon the unhardened concretesurface during construction. The colored wear-resistantfloorchanges the gray tone and flat texture of fair-faced concrete. It can form various colors such as yellow, green, orange, and purple.And peoplecan also choose the pattern and texture according totheirneeds, which has a better visual effect.

"In many countries in Europe, when concrete is used directly as facing materials, colored concrete and textured concrete facings are more often used." This kind of facings that color concrete and imprint textures are widely used in floors and outer walls, the color looks warm from a distance, and has a delicate texture like wood. It can meet people various requirements for the floor form, and it can also combine different styles of wall, ceiling and indoor decoration. In contrast with the texture and color of other floor materials, even if the colored wear-resistant floor is partially used, it will also bring a unique decorative effect to the space.

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