06

2021.07

Fresh concrete is an unset mixture made by mixing cement, sand and coarse aggregate with water. The workability of fresh concrete is a comprehensive index, such as fluidity, pumpability, filling, uniformity, etc. The workability of a concrete mix is the relative ease with which concrete can be placed, compacted and finished without separation or segregation of the individual materials. Workability...

22

2021.06

Diamond powder is mainly divided into single crystal diamond powder and polycrystalline diamond powder. Single crystal diamond powder is produced from synthetic diamond single crystal abrasive grains, which are crushed and shaped, and produced by a special process. Polycrystalline diamond powder is made from graphite using a unique directional blasting method. The shock wave of the directional bla...

26

2021.05

The development of concrete technology has a history of more than 170 years. During the slow development process, there have been several changes. The discovery of the water-cement ratio theorem in 1919, the discovery of air-entraining agents in 1938, and the emergence of superplasticizers in the early 1960s. At present, the development of concrete technology is in a period of change. The emergenc...

17

2021.05

Carbon concrete is a combination of concrete and carbon fibers. This new composite material carbon concrete has the potential to revolutionize the entire architecture. The high-performance material is a combination of concrete and carbon fibres. It has more strength, durability and lightness than conventional concrete. The most outstanding advantages of the material are: Carbon does not rust. Ther...

04

2021.05

Polished concrete is becoming increasingly popular in homes. There are several ways in which polished concrete can be used to elevate the aesthetics of your house. Concrete Flooring Polishing is a great way to improve the overall look of your house. When polishing with the diamond grinding technique, you are left with a surface that is smooth and shiny. Polishing is being increasingly chosen becau...

27

2021.04

Since 1955, the United States GE company used high temperature and high pressure methods to obtain synthetic diamonds, which has aroused the concern of the world, especially for countries lacking natural diamond. In 1957, cubic boron nitride (CBN) was synthesized by a high temperature and high pressure method. These man-made materials are particularly beneficial to the development of cutting tools...

20

2021.04

China Xiamen International Stone Fair was founded in 2001. It develops rapidly and has become one of the largest professional stone exhibitions in the world. Xiamen Stone Fair is held once a year, which brings facilities for local companies to exploit global market and learn about the latest technology and trends. The purposes of this fair are to: display new products, new technology and equipment...

11

2021.04

The National Association of Home Builders (NAHB) and construction industry partners are organizing the COVID-19 Vaccine Awareness Week in Construction, April 19-23 to encourage construction professionals to do their part to help the country end the pandemic and return to normal. Working with members of the Construction Industry Safety Coalition (CISC), NAHB has compiled CDC resources that home bui...