A modular foundation support system includes modular foundation support components including shafts provided with integrally formed coupler features on their respective distal ends. The coupler features are configured with a non-uniform wall thickness defining a plurality of sections of respectively different diameter to matingly couple the shafts to one another in a torque transmitting relationship. The coupler features may be integrally formed and fabricated on the distal end of each respective shaft.

This pile installation system for an offshore foundation construction includes a main body, a movable part and a first means for attaching the main body to a frame of reference. This frame of reference is configured to act as a counterweight. It further includes a second means for attaching the movable part to a pile to be installed, and the movable part may be moved, with respect to the main body, in translation about the direction of an insertion axis.

This pile installation system for an offshore foundation construction includes a main body, a movable part and a first means for attaching the main body to a frame of reference. This frame of reference is configured to act as a counterweight. It further includes a second means for attaching the movable part to a pile to be installed, and the movable part may be moved, with respect to the main body, in translation about the direction of an insertion axis.

A modular foundation support system includes modular foundation support components including self-aligning and torque transmitting coupler features wherein a plurality of axially elongated ribs are aligned with a plurality of axially elongated ribs to rotationally interlocke the modular foundation support components to one another.

A security barrier is presented for preventing unauthorized persons or vehicles from easily crossing a border. In one preferred embodiment, the security barrier is suitable for installation in a waterway and comprises: (1) a plurality of piles, each pile having a bottom end embedded into the earth and a top end extending vertically upward; (2) an open security grid juxtaposed between and secured by the piles, wherein the grid preferably has a bottom end that extends downward below the surface between the piles toward the earth; (3) at least one rigid wall panel also juxtaposed between and secured by the piles on top of the open security grid, thereby forming a security barrier that allows water, air, aquatic life, and birds to pass through the barrier, but restricts the movement of humans and vehicles across the barrier.

A security barrier is presented for preventing unauthorized persons or vehicles from easily crossing a border. In one preferred embodiment, the security barrier is suitable for installation in a waterway and comprises: (1) a plurality of piles, each pile having a bottom end embedded into the earth and a top end extending vertically upward; (2) an open security grid juxtaposed between and secured by the piles, wherein the grid preferably has a bottom end that extends downward below the surface between the piles toward the earth; (3) at least one rigid wall panel also juxtaposed between and secured by the piles on top of the open security grid, thereby forming a security barrier that allows water, air, aquatic life, and birds to pass through the barrier, but restricts the movement of humans and vehicles across the barrier.

This is a new type of pile foundation for support of structures. It uses a new method of forming concrete around the steel rebar prior to installing the rebar. Concrete is molded in an undulating fashion to improve load transfer to the adjacent hole backfill. The backfill is densified in place and grouted to maintain the dense configuration. The grouting is injected into an unlined hole. If temporary casing is used during drilling, it is removed prior to grouting. The basic premises are that grouting the hole backfill to the surrounding soil provides a better load transfer at that interface. And, beyond a few inches past the steel rebar, grouted dense sand and gravel are adequate for the load at that point. Timing of the grouting is more flexible than typical ready-mix concrete delivery systems. This method also allows for real time testing of the pile capacity.

This is a new type of pile foundation for support of structures. It uses a new method of forming concrete around the steel rebar prior to installing the rebar. Concrete is molded in an undulating fashion to improve load transfer to the adjacent hole backfill. The backfill is densified in place and grouted to maintain the dense configuration. The grouting is injected into an unlined hole. If temporary casing is used during drilling, it is removed prior to grouting. The basic premises are that grouting the hole backfill to the surrounding soil provides a better load transfer at that interface. And, beyond a few inches past the steel rebar, grouted dense sand and gravel are adequate for the load at that point. Timing of the grouting is more flexible than typical ready-mix concrete delivery systems. This method also allows for real time testing of the pile capacity.

A machine for driving a pair of screw anchors at substantially the same time. An attachment supports a pair of independent drive assemblies. Each assembly consists of a rotary driver and tool driver that moves along respective driving arms to independently drive a pair of screw anchors into supporting ground at different angles. Each assembly may move with respect to the machine independently to drive anchors into the ground in overlapping time, or both may rotate at once to drive anchors into the ground sequentially.

A pile installing system for a pile including a cylindrical wall surrounding a hollow space, the system having a central cutter which is locatable at a lower end of the pile for loosening soil below the hollow space upon installing the pile into the ground and which is displaceable within the pile in longitudinal direction thereof so as to remove the central cutter from the pile after installing the pile in the ground, a peripheral cutter locatable at the lower end of the pile for loosening soil below the cylindrical wall, a soil passage for guiding loosened soil from below the cutters to the hollow space, and a soil conveying member for transporting loosened soil upwardly through the hollow space. The soil passage is located at at least one of the central and peripheral cutter at a radial distance from the cylindrical wall.