The new Servo hydraulic Four Point Bending Apparatus is a compact all-in-one testing machine for four-point fatigue testing asphalt beams at higher loads. It comprises an electrically powered hydraulic loading system, a beam cradle, an environmental chamber.
The cradle mechanism allows for free translation and rotation of the clamps and. Pneumatic actuators at either end of the cradle center the beam laterally and clamp it. Servo-motor driven clamps secure the beam at four points with a pre-determined clamping force. Haversine loading is applied to the beam via the built-in digital servo-controlled pneumatic actuator. The innovative “floating” on-specimen transducer measures and controls the true beam deflection irrespective of loading frame compliance.
The system uses IPC’s world class IMACS digital controller and UTS software with test modules for international and local standards ensuring it is easy to set up and conduct your tests.
Complies with the following standards: AASHTO T321, AST 03. The latest Windows-based software allows for both controlled strain and controlled stress loading.
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