Texas Overlay Tester
Key Features
- Dedicated no compromise Texas Overlay Machine
- Designed according to the proposed ASTM
- Integral surface mounted touch screen control (Touch +)
- Double GSF cold rolled container slides for Ultra accurate inline sample deformation
- Intelligently designed specimen gluing and ''zero stress'' carrying frame
- Interface SSM environmentally sealed S-Type load cell
- Fitted with high performance hydraulic actuator and powerpack
- Ergonomically designed for easy operation
- Designed and manufactured in the United Kingdom
- Determination of crack initiation and crack propagation in asphalt mixtures
| Resolution of Displacement Measurement μm | 1 |
| Control Loop Rate Hz | >1000 |
| Load Cell Capacity kN | 22.5 (5klbf) |
| Load Cell Accuracy (%FS) | 0.25 |
| Cycle Time (s) | 5 to 1000 |
| Cycyle Time Measurement Resolution (%) | 0.1 |
| Temperature Control Range °C | -5 to 40 |
| Temperature Control Accuracy ±°C | 0.5 |
| Ambient Temperature Range °C | 15 to 30 |
| Test End Conditions | (0 to 100)% load reduction and / or (0 to 1000) cycles |
| Specimen Dimensions |
Length:150 ± 2 mm Height: 38 to 50 ± 0.5 mm Width: 76 mm |
| Plate Dimensions |
Length: 300 mm Width: 150 mm Height: Optional 13 or 19 |
| Base Plate Hardness (Brinell Hardness) | > 95 (Not lower than that of 6061-T6 aluminium) |
| Plate Groove Depth x Width mm | 1.5 x 1.3 |
| Plate Groove Separation mm | 6.35 |
| Initial Separation of Plates mm | 2 |
| Vertical movement of sample (% of crack opening) | <3 |
| Dimension mm (W x D x H) | 1580 x 650 x 1100 |
| Weight (approx.) Kg | 500 |
| Electrical Supply | 1 Ph 240 V 50 Hz |
