Disclosed is a water-permeable pipe pile system capable of accelerating soil consolidation. The system includes a hollow pile, an aerating device, and a drain device. Holes are evenly distributed on the wall of the pile, the bottom of the pile is closed, and a gas-tight gland is provided on the top of the pile. The aerating device includes a gas pipe and a gas pump, the lower end of the gas pipe passing through the gas-tight gland and extending into the cavity of the pile, and the upper end thereof connected to the gas pump. The drain device includes a drain pipe and a water pump, the lower end of the drain pipe passing through the gas-tight gland and extending towards the bottom of the cavity of the pile, and the upper end thereof connected to the water pump. Combining advantages of a water-permeable pipe pile and features of the high-pressure gas splitting technology, the water-permeable pipe pile system can accelerate dissipation of excess pore water pressure in the surrounding soil mass and rapidly increase the skin friction of the pile. Requirements on the bearing capacity of pipe piles and the service life of a construction are thus satisfied and desirable economic effects are achieved. Besides, the method of using the system is simple.

Disclosed is a water-permeable pipe pile system capable of accelerating soil consolidation. The system includes a hollow pile, an aerating device, and a drain device. Holes are evenly distributed on the wall of the pile, the bottom of the pile is closed, and a gas-tight gland is provided on the top of the pile. The aerating device includes a gas pipe and a gas pump, the lower end of the gas pipe passing through the gas-tight gland and extending into the cavity of the pile, and the upper end thereof connected to the gas pump. The drain device includes a drain pipe and a water pump, the lower end of the drain pipe passing through the gas-tight gland and extending towards the bottom of the cavity of the pile, and the upper end thereof connected to the water pump. Combining advantages of a water-permeable pipe pile and features of the high-pressure gas splitting technology, the water-permeable pipe pile system can accelerate dissipation of excess pore water pressure in the surrounding soil mass and rapidly increase the skin friction of the pile. Requirements on the bearing capacity of pipe piles and the service life of a construction are thus satisfied and desirable economic effects are achieved. Besides, the method of using the system is simple.

The invention is directed to a detachable fluidisation device for use in a vertical positioned tubular foundation pile having a pile axis and comprising of a central element and radially extending fixing means. The radially extending fixing means can have a first position wherein, in use, the central element is radially fixed to the interior of the tubular foundation pile and a second position which allows the fluidisation device to axially move along the length of the tubular foundation pile. The central element has at its lower end a rotating lower end provided with horizontally extending arms. The arms are each provided with high pressure water injection nozzles and with mechanical cutting elements extending from the arm in the direction of rotation.

The invention is directed to a detachable fluidisation device for use in a vertical positioned tubular foundation pile having a pile axis and comprising of a central element and radially extending fixing means. The radially extending fixing means can have a first position wherein, in use, the central element is radially fixed to the interior of the tubular foundation pile and a second position which allows the fluidisation device to axially move along the length of the tubular foundation pile. The central element has at its lower end a rotating lower end provided with horizontally extending arms. The arms are each provided with high pressure water injection nozzles and with mechanical cutting elements extending from the arm in the direction of rotation.

Apparatus and methods for the installation of pipe pilings into the ground for use as structural building foundations, geothermal piles, or both, are disclosed. In addition to specialized fittings for pipe pile assemblies, the inventions include specialized drive mechanisms used in conjunction with rotary or vibratory motors. Methods of installing pipe pilings are further improved with the disclosure of methods of adding grout or similar materials during or after installation of the piles.

Apparatus and methods for the installation of pipe pilings into the ground for use as structural building foundations, geothermal piles, or both, are disclosed. In addition to specialized fittings for pipe pile assemblies, the inventions include specialized drive mechanisms used in conjunction with rotary or vibratory motors. Methods of installing pipe pilings are further improved with the disclosure of methods of adding grout or similar materials during or after installation of the piles.

Apparatus and methods for the installation of pipe pilings into the ground for use as structural building foundations, geothermal piles, or both, are disclosed. In addition to specialized fittings for pipe pile assemblies, the inventions include specialized drive mechanisms used in conjunction with rotary or vibratory motors. Methods of installing pipe pilings are further improved with the disclosure of methods of adding grout or similar materials during or after installation of the piles.

Apparatus and methods for the installation of pipe pilings into the ground for use as structural building foundations, geothermal piles, or both, are disclosed. In addition to specialized fittings for pipe pile assemblies, the inventions include specialized drive mechanisms used in conjunction with rotary or vibratory motors. Methods of installing pipe pilings are further improved with the disclosure of methods of adding grout or similar materials during or after installation of the piles.

Apparatus and methods for the installation of pipe pilings into the ground for use as structural building foundations, geothermal piles, or both, are disclosed. In addition to specialized fittings for pipe pile assemblies, the inventions include specialized drive mechanisms used in conjunction with rotary or vibratory motors. Methods of installing pipe pilings are further improved with the disclosure of methods of adding grout or similar materials during or after installation of the piles.

Apparatus and methods for the installation of pipe pilings into the ground for use as structural building foundations, geothermal piles, or both, are disclosed. In addition to specialized fittings for pipe pile assemblies, the inventions include specialized drive mechanisms used in conjunction with rotary or vibratory motors. Methods of installing pipe pilings are further improved with the disclosure of methods of adding grout or similar materials during or after installation of the piles.