Examples of Mechanized Sand Concrete in Large Engineering Projects in China

There have been many successful examples of the application of mechanism sand concrete in practical engineering, especially in hydropower projects, China's Three Gorges Project and the Yellow River Xiaolangdi and other water conservancy projects have used mechanism sand concrete. Longtan Hydropower Station concrete square volume of 5,756,000 m3 using limestone mechanism sand fine aggregate. Hubei Xuanen Dongping water conservancy hub project using limestone production mechanism sand and gravel, Hubei Paradise pumped storage power station, soap city water conservancy hub project are using limestone production mechanism sand, and the use of natural sand and mechanism sand mixed approach to construction. Japan's Kurokawa Department of the four dams using the mechanism of sand and natural sand formulated concrete to serve as concrete fine aggregate.

In the bridge project, Hunan Huaixin Expressway, there are Pingxi River Bridge, Bitter Muzha Bridge, O back village viaduct are used to prepare concrete with mechanism sand, concrete grade C25 ordinary concrete, C25 underwater concrete, C30 ordinary concrete, C40 ordinary concrete. In Chongqing Jialing River Huangyuan Bridge construction, through the mechanism sand and drainage river sand compound instead of Jinyang sand preparation Huangyuan Bridge main bridge box girder C50 won concrete, the work performance indexes and mechanical performance indexes are in line with the specification requirements, the engineering application effect is good. Guizhou steel analysis frame suspension highway bridge damling river bridge tower using C50 mechanism sand high performance concrete, Guizhou Province Yuqing County, Guizhou Province, the territory of the Wuchang River bridge using mechanism sand and river sand compound preparation of C50 mechanism sand concrete pumping distance of 820m.

In railroad bridges, the C55 high performance concrete of Nanshan River Special Bridge of Zhu Liu Line was successfully formulated by using mechanism sand. Mechanized sand concrete has also been widely used in many highways, the whole line of the Shanghai-Rongdao Expressway low-strength concrete is basically all formulated with mechanized sand. In addition, in some airport construction is also applied to the mechanism of sand concrete, such as the Kenya International Airport drainage project concrete project with the normal concrete are dry production of the mechanism of sand preparation out

In terms of commercial concrete, the commercial concrete produced by Tianjin concrete enterprises is successfully used in the West River Gate Project of South-North Water Diversion. Zhejiang Huzhou gravel material enterprises with artificial sand to prepare high-strength pumping concrete has been successfully used in Shanghai World Trade Riverside Garden, Xuhui Yuan and other projects. Beijing Century Fortune Center C60 concrete all for the mechanism of sand high-performance concrete. In addition, Beijing concrete enterprises using dry production of limestone mechanism sand, in more than a year's time the cumulative production of commercial concrete more than 400,000 square, applied to a variety of projects to achieve very good benefits.

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