Servo-Hydraulic Asphalt Testing System(ATM-025)

The GCTS ATM-025 Equipment is a modular system that can be configured to test asphalt in a variety of modes. The system includes an environmental chamber which houses the optional accessories required to perform dynamic complex modulus, flow number, flow time, indirect tension, beam flexural fatigue, and resilient modulus tests.

The GCTS ATM-025 Equipment is a modular system that can be configured to test asphalt in a variety of modes. The system includes an environmental chamber which houses the optional accessories required to perform dynamic complex modulus, flow number, flow time, indirect tension, beam flexural fatigue, and resilient modulus tests.

The fully Integrated Digital Servo Controller has an embedded microprocessor capable of performing all test functions even if the Windows computer is turned off. It provides automatic dynamic control mode switching between ant connected transducer or calculated parameter. This controller also conditions all transducers used in the ATM-025 system. This digital controller is capable of updating the control loop at up to 6 kHz as is required for high frequency dynamic tests. The GCTS controller has several adaptive compensation techniques to improve the control precision without user intervention. Adaptive control allows the system to precisely match the desired cyclic stress amplitudes throughout the tests.

The ATM-025 includes a sliding drawer to easily remove/install test specimens minimizing the time the environmental door is open. An optional 100 kN loader can be mounted underneath to carry out static tests that require higher loads while keeping the smaller 25 kN actuator for improved dynamic performance.

GCTS offers platens for unconfined dynamic modulus, triaxial cells for testing 100 mm (4 inch) diameter specimens (cored out of a 150 mm (6 inch), indirect tension and beam flexural Fatigue fixtures. The above devices comply with the applicable requirements of AASHTO, ASTM and European (EN-12697-24,25,26) specifications for testing bituminous mixtures.

 

Geotechnical Consulting & Test Systems (GCTS), USA

Geotechnical Consulting & Test Systems (GCTS), USA

Geotechnical Consulting and Testing Systems (GCTS) provides advanced testing solutions for Research in Geotechnical & Pavement materials. GCTS also helps in design of laboratory and in-situ testing apparatus and software ranging from modification and adaptation of existing apparatus to the purchase of new closed-loop computer-controlled systems. The company manufactures a full line of computer-controlled testing systems with either pneumatic or hydraulic loaders. Each system comes with a versatile software package which provides test control, data acquisition, data reduction, and graphing in one easy to learn Graphical User Interface.

 

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