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CVEN 342 Exam 1 questions with correct answers
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CVEN 342 Exam 1 questions with correct answers
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CVEN 342 Exam 1The mechanism of material failure caused by repeated loading - correct answer ✔✔fatigue
Asphalt concrete is an example of the following type of composite material - correct answer ✔✔large
particle reinforced
A desirable aggregate characteristic for quality Asphalt Concrete is - correct answer ✔✔dense gradation
If MC is less than AC, the aggregate is - correct answer ✔✔dry in the stockpile
The Fordyce Company that produces aggregates for Asphalt Concrete and PCC uses - correct answer
✔✔transportation by barge
Specific Gravity values used in AC volumetric calculations include - correct answer ✔✔Gse, Gb(od), Gmm
The critical agin state for asphalt binder characterization to determine resistance to fatigue cracking is -
correct answer ✔✔After Rolling Thin Film Oven Test (RTFOT) and Pressure Aging Vessel (PAV)
A common component of Asphalt Concrete in the 2000s for all types of mixtures is - correct answer
✔✔Reclaimed Asphalt Pavement
When utilizing the concept of time temperature superposition to form a master curve: data measured at
_____ temperatures is shifted to _____ times of loading - correct answer ✔✔warmer, longer
The superpave volumetric mix design system for AC addresses these shortcomings of traditional mix
design: - correct answer ✔✔measurement of compatibility, inclusion of large aggregates, selection of
both unmodified and modified binderes based on climate
Rutting resistance of Asphalt Concrete is enhanced by: - correct answer ✔✔aging
, The PG binder specification addresses the following shortcomings of traditional systems: - correct
answer ✔✔characterization at low pavement temperatures, inclusion of long term agin, measurement
of fundamental properties tied to primary distresses
In the PG binder specification, a minimum stiffness parameter is used to control the binder's
contribution to - correct answer ✔✔resistance to rutting
Liquid asphalts as compared to traditional asphalt cement binders include ______ ______, and an
______ agent. - correct answer ✔✔asphalt cement, emulsifying
Important aggregate characteristics for AC - correct answer ✔✔dense gradation, rough surface texture,
angular shape
Lab tests for aggregate characterization - correct answer ✔✔LA abrasion, Dynamic Shear Rheometer,
soundness
Examples of material behavior: - correct answer ✔✔maxwell, burgers, two springs in series
Steps in Aggregate production - correct answer ✔✔washing, crushing alluvial deposits, washing
AC production and placement: - correct answer ✔✔drum mix plants produce mix continuously,
aggregate gradation is better controlled in batch plants, emissions control required at hot mix plants
mechanisms of material failure - correct answer ✔✔creep, fracture, fatigue
specific distress in asphalt concrete - correct answer ✔✔rutting, thermal cracking, fatigue cracking
low binder contents provide the following benefits to asphalt concrete mixture: - correct answer
✔✔stability
Lab tests: - correct answer ✔✔RV, DSR, BBR
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