The paper outlines combined supporting with pile anchor in deep foundation pit and high-pressure spiral jetting diaphragm,experiment on osmotic coefficient and anchor cable are made,and construction quality control is introduced.

This article describes the construction principle and design of the horizontal high-pressure jet-grouting technology and the application of preliminary support in shallow tunnels.

The Application and Research of the High Pressure Jet Grouting Method in the Loess Areas Highway Soft Foundation Treatment;

The paper introduces design concept and calculation,specifications and facilities,and executing process and quality control in the consolidation of pier subgrade for extraordinary railway bridge by using single-valved high pressure jet grouting.

Combined with the engineering examples,the paper introduced the strengthening mechanism,technology and the detection methods after strengthening for high-pressure chemical churning and grouting.

Application of jet grouting used in the construction of cofferdam for hydropower projects;

Technology of jet grouting cement-soil pile;