Supports the following standards: AASHTO T321, EN 12697-24 ANNEX D, EN 12697-26 ANNEX B
The Stand Alone Four Point Bending Beam Machine uses advanced servo pneumatic technology and a high-speed digital data acquisition and control system together with user-friendly software. During testing both graphical and tabular data are displayed on screen and test data is stored to disc in Microsoft® Excel® compatible format. The clamps are at 118.5mm (4.67 inch) centers (the distance between the outer clamps is 335.6mm (14 inches) according to AASHTO specifications but the height and width of the beam can be varied).
Features:
Frequency range 0.1 to 30Hz¹
Low cost pneumatic stand alone four point bending machine
Low-friction actuator and high performance ceramic spool servo-valve
On-specimen measurement system removes errors due to frame ?exure
Designed for AASHTO beam sizes
Sinusoidal controlled strain or controlled stress fatigue test modes
Constant torque motorized specimen clamping to eliminate errors due to localized beam indentation
Self-contained loading system
User friendly software for determination of fatigue resistance and stiffness modulus
Capable of performing healing, modulus, fatigue multi-stage testing and camera triggering
Software:
User friendly, intuitive and reliable Windows® software developed using LabVIEW™
Specifically written to meet AASHTO and ASTM standards
The user interface can be translated into the user’s preferred language – please inquire
Stored test data can be analyzed and compared with other test data utilizing a spreadsheet package
Utilities are included for curve fitting of acquired data; testing of system’s inputs and outputs; phase correction and a transducer database for storing calibration factors
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