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Asphalt Paving GC Exam Test with 100% Verified solutions| Graded A+
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Asphalt Paving GC Exam Test with 100% Verified solutions| Graded A+
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Asphalt Paving GC Exam Test with100% Verified solutions| Graded A+
Make transverse construction joints whenever placing of concrete is suspended longer than _____
minutes - ✔✔30 minutes
Ensure final sealed surface width of newly constructed longitudinal and transverse contraction joints is
_____ inch - ✔✔3/8"
If calcium is used in non-reinforced concrete during cold weather, do not exceed ______ % - ✔✔2%
Water reducer may be used to increase slump of concrete - ✔✔True
Use procedures for mass concrete placement for a pour that has dimensions of _____ feet or greater in
_____ different directions - ✔✔5, 3
In hot weather, do not allow mass concrete mix temperature measured at discharge into the forms
to exceed ______ degrees - ✔✔80 degrees
,Wet-cure surface of bridge decks for minimum of - ✔✔7 days
Wet-cure structural concrete other than bridge decks for period of ____ days and cover with curing
blankets - ✔✔4 days
Do not remove forms in less than ______ hours, nor more than 48 hours - ✔✔5 hours
Wait a minimum of ____ hours between placing footing or driller pier concrete and erecting column
forms - ✔✔12 hours
Wait a minimum of ___ hours between placing footing or drilled pier concrete and placing column forms
- ✔✔24 hours
Allow concrete to cure for _____ days before application of final finishing coat - ✔✔28 days
When grinding and texturing bridge decks do not allow depth or grinding to exceed ______ inch -
✔✔1/2"
When grinding and texturing bridge decks do not allow depth or grinding to encroach upon the
required rebar cover by more than ______ inch - ✔✔1/2"
Set all steel armor plates, strip seal joints plates, steel finger joint plates, at ____ below finished
roadway elevation - ✔✔1/4"
, After accurately placing reinforcement bars, hold them together by tie wire at all intersections except
where the spacing is _____ or less in each direction, in which case tie alternative intersection - ✔✔12"
Curing prestressed concrete may be by the moist curing method or accelerated curing with low
pressure steam or radiant heat - ✔✔True
For timber driven pile foundation use treated - ✔✔Southern Yellow Pine
Provide a cleaning operation so that a minimum of 50% of the base of each excavation has less than
_____ inch of sediment at the time of placement of the concrete - ✔✔1/2"
Construct concrete C&G in uniform 10' sections except where shorter sections are necessary, but ensure
no section is less than _____ feet in length - ✔✔4'
Backfill concrete gutters so that the earth materials are a minimum of _____ inch above the concrete -
✔✔1"
When monitoring compaction for HMA, conduct in-place density tests at least every _____ feet per
paving lane width by conducting density-gauge tests at randomly selected locations - ✔✔500'
When monitoring the compaction process for HMA, test at least ______ feet from any unsupported
edge - ✔✔1'
_____ is a by-product in the production of electricity from burning coal - ✔✔Fly ash
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