Abstract: A barrier cable anchor may include an anchor body including an inner surface, a retainer having a retainer body and the retainer body being retained to the anchor body, a collar having an outer surface and an inner surface and being at least partially within the anchor body, one or more wedges positioned within the tapered inner surface of the collar, and a nut engaging the collar and retained to the anchor body. The retainer may include a pin end retained to the inner surface of the anchor body and the nut may include a threaded outer surface so that rotating the nut within the anchor body advances the retaining collar and thereby tensions the barrier cable.

Abstract: A sheathing retention capsule may include an outer body, the outer body having a tapered inner surface defining a forcing surface. The sheathing retention capsule may also include one or more holding wedges. At least one of the one or more holding wedges may have a tapered outer surface abutting the inner surface of the outer body. At least one of the one or more holding wedges may have an inner wall.

Abstract: A wedge assembly for post tensioning concrete includes one or more wedges and a wedge ring. Each wedge includes an outer surface having a circumferential groove formed thereon. The wedge ring is adapted to fit into the groove of the wedges and retain the wedges to a strand. The wedge ring including a gap adapted to allow the wedge ring to be installed from the side of the wedges. When installed to the strand, the wedges may form a clearance fit maintained by the wedge ring. At least one wedge may include a guide adapted to assist with the separation of the wedges when installed to the strand.

Abstract: A spark absorbing system for use with a cutting torch, comprises a cap having at least one spark opening therethrough and a spark capture unit coupled to the cap and positioned to capture sparks passing through the spark opening. The spark capture unit may comprise a tube extending from the cap and may include an outlet and a flow-reduction element positioned between the cap and the outlet and/or a spark accumulator between the cap and the spark capture unit. The flow-reduction element may comprise at least one baffle, screen or mesh. The spark absorbing system may further include a spark ramp extending from the cap opposite the spark capture unit and/or a shield, which may define a cutting space between the shield and the cap.

Abstract: A pocket former includes a pocket former body and a keyway former. The pocket former is adapted to form a void in a concrete member allowing access to the stressing end of a post-tensioning tendon. The keyway former is adapted to form a keyway in the concrete to allow grout to be more securely retained in the void.

Abstract: A pocket former may include a pocket former body, the pocket former body having an outer surface. The pocket former may further include a collapsible element, the collapsible element formed on the outer surface of the pocket former body. The collapsible element may extend radially outwardly from the pocket former body.

Abstract: A sheathing retention capsule may include an outer body, the outer body having a tapered inner surface defining a forcing surface. The sheathing retention capsule may also include one or more holding wedges. At least one of the one or more holding wedges may have a tapered outer surface abutting the inner surface of the outer body. At least one of the one or more holding wedges may have an inner wall.

Abstract: The process includes forming a concrete form at least one end wall where the concrete form is adapted to receive concrete placed thereinto. The process also includes setting a fixed end anchor and a tensioning end anchor on at least one end wall where the fixed end anchor and tensioning end anchor are each adapted to receive a tendon. The process further includes threading the tendon through the fixed end anchor and tensioning end anchor such that a tensioning end portion of the tendon extends from the tensioning end anchor and placing concrete into the concrete form. The process includes installing a cap about the circumference of the tensioning end portion of the tendon. The cap includes a cap body. The cap body includes an inner bore, where the inner bore has a diameter corresponding to the outer diameter of the tendon.

Abstract: The system includes a plasma strand cutter. The plasma strand cutter includes a plasma torch, the plasma torch including a pivot and an attachment point and an actuating device, the actuating device mounted on the plasma torch at the attachment point. The plasma strand cutter also includes a power supply, the power supply connected to the plasma torch and the actuating device. The system includes a strand puller, the strand puller paired with the plasma strand cutter and a platform, the platform positioned so as to provide a rest for or in close proximity to the strand.

Abstract: A lightweight jack includes a pressure cylinder, where the pressure cylinder has a pressure cylinder passage and a pressure cylinder body, the pressure cylinder body being a block through which a cylinder body passage is formed. The pressure cylinder is mechanically coupled to the pressure cylinder. The lightweight jack further includes a hydraulic actuator, where the hydraulic actuator is coupled to the pressure cylinder body. The hydraulic actuator includes an inner hydraulic cylinder, the inner hydraulic cylinder mechanically coupled to an inner cylinder head, and an outer cylinder, the outer cylinder mechanically coupled to an outer cylinder head. The lightweight jack also includes an extending body, the extending body coupled to the hydraulic actuator. The extending body is a block through which an extending body passage is formed, wherein the pressure cylinder passage, the cylinder body passage, and the extending body passage are aligned to form a tension member channel.

Abstract: A sheathing puller for use in a concrete post-tensioning system that includes at least one anchor assembly and a tension member comprising a cable and a sheath surrounding the cable, comprises a stationary coupler, a force applicator mechanically coupled to the stationary coupler, and a sheathing gripper mechanically coupled to the force applicator and configured to grip the sheath. Actuation of the force applicator may cause the sheathing gripper to grip the sheath and apply a longitudinal force thereto. The sheathing stationary coupler may be configured to engage the at least one anchor and the force applicator may be a pulley, screw, ratchet, bar clamp, pipe clamp, or screw clamp. Also disclosed is a method for mechanically coupling the stationary coupler to a fixed object, mechanically coupling the sheathing gripper to the sheath, and sliding the sheath along the tension member using the sheathing puller.

Abstract: A barrier cable coupler for coupling two lengths of barrier cable comprises a coupler body including a threaded inner surface, a first end, and a second end; a fixed retaining collar having an outer surface and being retained to the first end of the coupler body, the fixed retaining collar including a tapered inner surface; one or more fixed end wedges positioned within the tapered inner surface of the fixed retaining collar; a tensioning retaining collar having an outer surface, the tensioning retaining collar positioned at least partially within the second end of the coupler body and including a tapered inner surface; one or more tensioning end wedges positioned within the tapered inner surface of the tensioning retaining collar; and a tensioning nut including a threaded outer surface engaging the threaded inner surface of the second end of the coupler body and retaining the tensioning retaining collar therein.

Abstract: A barrier cable anchor for mechanically coupling a barrier cable to a barrier retaining structure comprises an anchor body comprising a mounting extension and an anchor body extension and including a radially extending mounting face, a a retaining collar coupled to the anchor body extension and including a tapered inner surface, and one or more retaining wedges positioned within the retaining collar. The anchor body extension, mounting extension, and retaining collar may have bores therethrough. The retaining collar may include a threaded outer surface and the anchor body extension may include a threaded inner surface and the retaining collar may be threadedly coupled to the anchor body extension. The anchor may further comprise an anchor cap retained to the anchor body extension. The anchor cap may include a threaded inner surface and the retaining collar may be threadedly coupled to the anchor cap.

Abstract: A sheathing retention capsule may include an outer body, the outer body having a tapered inner surface defining a forcing surface. The sheathing retention capsule may also include one or more holding wedges. At least one of the one or more holding wedges may have a tapered outer surface abutting the inner surface of the outer body. At least one of the one or more holding wedges may have an inner wall.

Abstract: The process includes forming a concrete form at least one end wall where the concrete form is adapted to receive concrete placed thereinto. The process also includes setting a fixed end anchor and a tensioning end anchor on at least one end wall where the fixed end anchor and tensioning end anchor are each adapted to receive a tendon. The process further includes threading the tendon through the fixed end anchor and tensioning end anchor such that a tensioning end portion of the tendon extends from the tensioning end anchor and placing concrete into the concrete form. The process includes installing a cap about the circumference of the tensioning end portion of the tendon. The cap includes a cap body. The cap body includes an inner bore, where the inner bore has a diameter corresponding to the outer diameter of the tendon.

Abstract: A pocket former may include a pocket former body, the pocket former body having an outer surface. The pocket former may further include a collapsible element, the collapsible element formed on the outer surface of the pocket former body. The collapsible element may extend radially outwardly from the pocket former body.

Abstract: A wedge assembly for post tensioning concrete includes one or more wedges and a wedge ring. Each wedge includes an outer surface having a circumferential groove formed thereon. The wedge ring is adapted to fit into the groove of the wedges and retain the wedges to a strand. The wedge ring including a gap adapted to allow the wedge ring to be installed from the side of the wedges. When installed to the strand, the wedges may form a clearance fit maintained by the wedge ring. At least one wedge may include a guide adapted to assist with the separation of the wedges when installed to the strand.

Abstract: An anchor is disclosed. The anchor may include an anchor body, the anchor body having an internal passage, and a lock nut, the lock nut having an internal tapered surface defining a forcing cone. The lock nut may be coupled to the anchor body. The anchor may also include a spindle, the spindle positioned within the internal passage and threadedly coupled to the lock nut. The spindle may have an expansion wedge.

Abstract: A permanent stressed end cap for a post tensioned concrete member includes a grout retention feature adapted to retain a filler material within a void formed by a pocket former. The grout retention feature may be a generally knob or mushroom shaped, hex-headed, or square body extending from the cap. The grout retention feature may include one or more protrusions extending from the exterior of the cap. The grout retention feature may include one or more surface textures on the exterior of the cap.

Abstract: A wedge assembly for post tensioning concrete includes one or more wedges and a wedge ring. Each wedge includes an outer surface having a circumferential groove formed thereon. The wedge ring is adapted to fit into the groove of the wedges and retain the wedges to a strand. The wedge ring including a gap adapted to allow the wedge ring to be installed from the side of the wedges. When installed to the strand, the wedges may form a clearance fit maintained by the wedge ring. At least one wedge may include a guide adapted to assist with the separation of the wedges when installed to the strand.