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MAN - BBR3 - REV: Original | C. System Overview
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C.2 General Product Description
The ATS Bending Beam Rheometer 3 (BBR3) is designed to provide a state-of-the-art means for testing the
flexural creep stiffness properties of asphalt binders in a temperature range from -40°C to ambient. This testing is in
accordance with the Strategic Highway Research Program (SHRP) Test Method B-002, AASHTO Designation T313,
AASHTO TP 87, BS EN14771, and ASTM D 6648 specifications. The BBR3’s design does not allow for it to perform
any additional functions other than the intended functions specified in this manual.
The BBR3 test control function and data acquisition is operated by a Windows®-based computer inside the
machine. During testing, the software controls the BBR3 load function, displays and records the load, deflection, and
temperature data received from the unit. When tests are not being performed, the software permits access to test
information including graphs, raw data tables, and test analysis.
The BBR3 is a fully integrated, modularized system consisting of the following:
Major Components
• Base unit
• Load frame assembly
• BBR3 software
• Mechanical refrigeration unit
Accessory Items
• Specimen Molds (5 molds)
•
Confidence Beam
• Non-Compliant Beam
• Crack Sealant (CS) Non-Compliant Beam
• Step Disk
• Load Cell Calibration Weights (4) 100-gram and (2) 2-gram
• Crack Sealant Specimen Molds
Product Specifications
Load Frame Construction
Integral stainless steel, frictionless construction
Loading Shaft Point
In-line stainless steel with blunt point
Test Load
Variable test range from 0 to 4,000 mN standard. System. Maintains
required test load /- 5mN throughout test cycle.
Test Cycle Times
Cycle times for pre-load, recovery, and test load are completely
operator-adjustable.
Load Cell
500 g (temperature-compensated)