Trench Shoring
The Most Capable Shoring Systems in the World
AcmeThread, LongShore, and LockStroke Systems
Paratech has three shoring systems for trench support, the AcmeThread shoring system, and the LongShore shoring system and the LocksStroke shoring system. The AcmeThread and LockStroke shoring systems are the smaller and more mobile shoring strut systems. The AcmeThread system is the most versatile, great for shoring a trench, but equally good shoring unstable structures or stabilizing vehicles. The LockStroke shoring system is a trench specialist, designed to be lowered into a trench, pressurized against Finnform or walers, and with its auto-locking system, that’s it. The LockStroke will automatically lock itself in a pressurized position. The LongShore is the heavy-duty shoring strut system. Able to shore incredible loads at extended distances, it is the go-to shoring solution for the most extreme circumstances.
AcmeThread Rescue Strut System
The Paratech AcmeThread Struts are comprised of a 2½” diameter Acme threaded aluminum movable solid shaft that extends out of a 3” diameter aluminum tube. The AcmeThread is a square thread that allows full surface contact of the shaft through the collar and the collar full surface contact on the tube to transfer the load directly to the ground. AcmeThread Struts can be extended manually or pneumatically with air, carbon dioxide, or nitrogen.
LockStroke Rescue Strut System
The Paratech LockStroke Struts are comprised of a 2½” diameter grooved solid aluminum movable shaft that extends out of a 3” diameter aluminum tube. LockStroke Struts have a ball bearing filled collar that locks automatically when the shaft extends. Activated either manually or pneumatically with air, carbon dioxide, or nitrogen, LockStroke Struts always auto-lock in their extended position. LockStroke Struts are especially useful in trench scenarios, allowing rescuers to lock the strut after pressurization without needing any rescuer intervention.
LongShore Rescue Strut System
The Paratech LongShore Struts are comprised of a 3” diameter threaded aluminum movable shaft that extends out of a 3½” diameter aluminum tube. The square thread allows full surface contact of the shaft through the collar and the collar full surface contact on the tube to transfer the load directly to the ground. LongShore Struts can be extended manually or pneumatically with air, carbon dioxide, or nitrogen. LongShore rescue struts are the perfect choice for exceptionally heavy loads or longer length shores.
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Trench Shoring
Technical Specs
AcmeThread Struts
- 3″ (7,62 cm) diameter aluminum alloy tube with aluminum alloy movable shaft
- Locking collar on a square thread for infinite adjustment and full surface contact of the shaft through the collar into the tube.
- Threaded shaft and collar always default to a locked position ensuring load support is always maintained regardless of user intervention
- Lightly textured knurled locking collar for easy grip
- Easy tool-less screw shaft removal for easy field cleaning and repair
- Hard-coat anodized for protection and longevity
- Extendable by pneumatic controls
- All pneumatic fittings made of non-sparking corrosion-resistant brass
- Large brightly colored labeling system denoting strut size
- Simple visual representation of strut extension lengths to assist rescuers in gauging how much extension remains when in use.
AcmeThread Rescue Struts
| Part No. | Description |
| 22-796212 | AcmeThread Strut 12-15 in / 31-38 cm |
| 22-796206 | AcmeThread Strut 19-25 in / 48-64 cm |
| 22-796200 | AcmeThread Strut 25-36 in / 64-91 cm |
| 22-796202 | AcmeThread Strut 37-58 in / 94-147 cm |
| 22-796204 | AcmeThread Strut 56-88 in / 142-224 cm |
AcmeThread Rescue Strut Extensions
| Part No. | Description |
| 22-796035 | Strut Converter |
| 22-796017 | Strut Extension 6 in / 15 cm |
| 22-796012 | Strut Extension 12 in / 30 cm |
| 22-796024 | Strut Extension 24 in / 61 cm |
| 22-796036 | Strut Extension 36 in / 91 cm |
| AcmeThread Rescue Struts | ||||||
| LENGTH | Working Load Chart at Following Safety Factors | |||||
| Feet (Meters) | 2:1 lb. | kg. | 3:1 lb. | kg. | 4:1 lb. | kg. |
| 2 ft (0.6m) | 43,500 | 19,731 | 29,000 | 13,154 | 21,750 | 9,866 |
| 4 ft (1.2m) | 40,000 | 18,144 | 26,667 | 12,096 | 20,000 | 9,072 |
| 6 ft (1.8m) | 28,250 | 12,814 | 18,830 | 8,541 | 14,125 | 6,407 |
| 8 ft (2.4m) | 24,050 | 10,909 | 16,030 | 7,271 | 12,025 | 5,455 |
| 10 ft (3.0m) | 10,725 | 4,865 | 7,150 | 3,243 | 5,360 | 2,431 |
| 12 ft (3.6m) | 7,660 | 3,475 | 5,000 | 2,313 | 3,830 | 1,737 |
LongShore Struts
- 3.5″ (8,89 cm) diameter aluminum alloy tube with aluminum alloy movable shaft
- Locking collar on square thread for infinite adjustment and full surface contact of the shaft through the collar into the tube.
- Threaded shaft and collar always default to the locked position ensuring load support is always maintained regardless of user intervention
- Lightly textured knurled locking collar for easy grip
- Easy tool-less screw shaft removal for easy field cleaning and repair
- Hard-coat anodized for protection and longevity
- Extendable by pneumatic controls
- All pneumatic fittings made of non-sparking corrosion-resistant brass
- Large brightly colored labeling system denoting strut size
- Simple visual representation of strut extension lengths to assist rescuers in gauging how much extension remains when in use.
LongShore Rescue Struts
| Part No. | Description |
| 22-796710 | LongShore Strut 203 26-36 in / 66-91 cm |
| 22-796720 | LongShore Strut 304 36-50 in / 91-127 cm |
| 22-796730 | LongShore Strut 406 48-73 in / 122-185 cm |
| 22-796360 | LongShore Strut 610 72-116 in / 183-295 cm |
| 22-796390 | LongShore Strut 1016 114-198 in / 290-503 cm |
LongShore Extensions
| Part No. | Description |
| 22-796037 | LongShore Strut Converter |
| 22-796341 | LongShore Extension 135 12 in / 30.5 cm |
| 22-796342 | LongShore Extension 235 24 in / 61 cm |
| 22-796356 | LongShore Extension 435 48 in / 122 cm |
| 22-796376 | LongShore Extension 635 67 in / 170 cm |
| LongShore Rescue Struts | ||||||
| LENGTH | Working Load Chart at Following Safety Factors | |||||
| Feet (Meters) | 2:1 lb. | kg. | 3:1 lb. | kg. | 4:1 lb. | kg. |
| 2 ft (0.6m) | 44,000 | 19,958 | 29,333 | 13,305 | 22,000 | 9,980 |
| 3 ft (0.9m) | 44,000 | 19,958 | 29,333 | 13,305 | 22,000 | 9,980 |
| 4 ft (1.2m) | 44,000 | 19,958 | 29,333 | 13,305 | 22,000 | 9,980 |
| 5 ft (1.5m) | 44,000 | 19,958 | 29,333 | 13,305 | 22,000 | 9,980 |
| 6 ft (1.8m) | 44,000 | 19,958 | 29,333 | 13,305 | 22,000 | 9,980 |
| 7 ft (2.1m) | 44,000 | 19,958 | 29,333 | 13,305 | 22,000 | 9,980 |
| 8 ft (2.4m) | 40,000 | 18,144 | 26,666 | 12,095 | 20,000 | 9,072 |
| 9 ft (2.7m) | 32,000 | 14,515 | 21,333 | 9,676 | 16,000 | 7,257 |
| 10 ft (3.0m) | 24,000 | 10,886 | 16,000 | 7,257 | 12,000 | 5,443 |
| 11 ft (3.3m) | 22,000 | 9,979 | 14,667 | 6,653 | 11,000 | 4,990 |
| 12 ft (3.6m) | 20,000 | 9,072 | 13,333 | 6,047 | 10,000 | 4,536 |
| 13 ft (3.9m) | 14,000 | 6,350 | 9,332 | 4,233 | 7,000 | 3,175 |
| 14 ft (4.2m) | 12,000 | 5,443 | 8,000 | 3,629 | 6,000 | 2,722 |
| 15 ft (4.5m) | 9,000 | 4,082 | 6,000 | 2,722 | 4,500 | 2,041 |
| 16 ft (4.8m) | 6,000 | 2,722 | 4,000 | 1,814 | 3,000 | 1,361 |
LockStroke Rescue Struts
- 3″ (7,62 cm) diameter aluminum alloy tube with aluminum alloy movable shaft
- Auto-Locking collar on scalloped aluminum alloy shaft for full surface contact of the shaft through the collar into the tube.
- Scalloped shaft and collar auto-locks on extension ensuring load support is always maintained regardless of user intervention.
- Lightly textured knurled locking collar for easy grip
- Hard-coat anodized for protection and longevity
- Extendable by pneumatic controls
- All pneumatic fittings made of non-sparking corrosion-resistant brass
- Large brightly colored labeling system denoting strut size
- Simple visual representation of strut extension lengths to assist rescuers in gauging how much extension remains when in use.
LockStroke Rescue Struts
| Part No. | Description |
| 22-796006 | LockStroke Strut 19-25 in / 48-64 cm |
| 22-796000 | LockStroke Strut 25-36 in / 64-91 cm |
| 22-796002 | LockStroke Strut 36-58 in / 94-147 cm |
| 22-796004 | LockStroke Strut 55-88 in / 142-224 cm |
LockStroke Rescue Strut Extensions
| Part No. | Description |
| 22-796035 | Strut Converter |
| 22-796017 | Strut Extension 6 in / 15 cm |
| 22-796012 | Strut Extension 12 in / 30 cm |
| 22-796024 | Strut Extension 24 in / 61 cm |
| 22-796036 | Strut Extension 36 in / 91 cm |
| LockStroke Rescue Struts | ||||||
| LENGTH | Working Load Chart at Following Safety Factors | |||||
| Feet (Meters) | 2:1 lb. | kg. | 3:1 lb. | kg. | 4:1 lb. | kg. |
| 2 ft (0.6m) | 43,500 | 19,731 | 29,000 | 13,154 | 21,750 | 9,866 |
| 4 ft (1.2m) | 40,000 | 18,144 | 26,667 | 12,096 | 20,000 | 9,072 |
| 6 ft (1.8m) | 28,250 | 12,814 | 18,830 | 8,541 | 14,125 | 6,407 |
| 8 ft (2.4m) | 24,050 | 10,909 | 16,030 | 7,271 | 12,025 | 5,455 |
| 10 ft (3.0m) | 10,725 | 4,865 | 7,150 | 3,243 | 5,360 | 2,431 |
| 12 ft (3.6m) | 7,660 | 3,475 | 5,000 | 2,313 | 3,830 | 1,737 |
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