Estacas de Mistura de Cimento

Cement Mixing Piles

The deep mixing method is a construction technique that uses specialized machinery to forcibly mix cement slurry or other materials, such as cement, with soil to create physical or chemical reactions within the ground. This process forms reinforced bodies with improved integrity, water stability, and strength, enabling the construction of composite foundations, anti-seepage walls, or retaining walls. Based on the material spraying method, it is categorized into two types: the slurry stirring method (wet method) and the powder stirring method (dry method).

High-pressure jet grouting involves using a high-speed jet beam to impact, cut, and displace the ground. The technique utilizes a cement slurry matrix to diffuse, fill, and replace materials within the spray zone. When combined with the existing ground layer, it forms a solidified structure, improving anti-seepage performance and enhancing the bearing capacity of foundations or fill structures.

In 1997, Beijing Zhenchong, the predecessor of BJ Vibro, began developing deep cement mixing technology under the direction of the Ministry of Water Resources of China. The company invented the multi-head small-diameter deep cement mixing technology, which won the 20th China Invention Gold Award in 1999. It was supported by the National Science and Technology Innovation Fund in 2001 and recognized as a major national research and development project during the 15th Five-Year Plan in 2003.

Through continuous innovation, the company has successfully developed a range of BJS and ZCJ series pile drivers capable of achieving construction depths of up to 25 meters. This innovation earned the National Dayu Water Conservancy Science and Technology Award in China.

The company also contributed to industry standards by drafting the Technical Specification for Deep Mixing Method Foundation Treatment (DL/T5425-2009) and its subsequent revised version DL/T5425-2018, solidifying its leadership in the field.

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Cement Mixing Piles

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