June 23, 2017
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 Frequently Asked Questions (FAQ)

Question:   Define Traceability
Answer:   The most commonly understood definition of the word Traceability internationally is "the property of the result of a measurement of the value of a standard whereby it can be related to stated references, usually national or international standards, through an unbroken chain of comparisons all having stated uncertainties."
Question:   What does SGC mean?
Answer:   The acronym SGC means SuperPave Gyratory Compactor.
Question:   What does Vba mean?
Answer:   Volume of absorbed binder.
Question:   What does Pb mean?
Answer:   Percent of binder.
Question:   What does Ps mean?
Answer:   Percent of aggregate.
Question:   What does Gb mean?
Answer:   Specific gravity of binder.
Question:   What does Va mean?
Answer:   Volumetric properties of a compacted paving mixture (air voids).
Question:   What does Nini mean?
Answer:   N initial typically the 8 gyration.
Question:   What does Ndes mean?
Answer:   In SuperPave this is the design number of gyration. Ndes is used to vary the compactive effort of the design mixture and it is a function of traffic level.
Question:   What does VMA mean?
Answer:   Voids in mineral aggregate.
Question:   What does VFA mean?
Answer:   Voids filled with asphalt.
Question:   What does Pbe mean?
Answer:   Effective asphalt content.
Question:   What does Gsb mean?
Answer:   Bulk specific gravity. Which is the ratio of the mass in air of a unit volume of a permeable material at a stated temperature to the mass in air of equal density of an equal volume of gas-free distilled water at a stated temperature.
Question:   AASHTO TP4
Answer:   Standard method for preparing and determining the density of Hot Mix Asphalt (HMA) specimens by mean of the SHRP Gyratory Compactor.
Question:   What does SuperPave mean?
Answer:   Superior Performing Asphalt Pavements.
Question:   What are the top ten SGC maintenance steps?
Answer:   1. Read the Operator's Manual. 2. Lubricate all wear surfaces - as directed by the operator's manual. 3. Keep SGC clean - debris interferes with critical moving parts. 4. Clean Molds and Mold Pucks after every use. 5. Create and maintain a specific routine for SGC maintenance and calibration. 6. Verify the height - every 6 months or 40 operation hours which ever comes first. 7. Verify the ram pressure - every 6 months or 40 operation hours which ever comes first. 8. Verify the external angle every 3 months or 20 operation hours which ever comes first. 9. Verify the internal angle once a year or every 80 operation hours which ever comes first. 10. Verify mold dimensions once a year or every 80 operation hours.
Question:   Is this NUX security containment system and over pack?
Answer:   No the NUX box is just what the name tells you it is a SECURITY CONTAINMENT SYSTEM. There are no labels on the exterior of the box and non are required. This is a Security Case to help against those theives.