Advanced Bridge Training GDOT

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1
What spect section covers Concrete?
500
2
what spec section covers piles
520
3
what spect coverrs layout
149
4
what spec section covers steel reinforcement
511
5
what spect section covers bridge removal
540
6
what spectial provision covers caissons
524
7
Spec section 540 requires existing bridges to be removed _____ feet below groundline or streambed when replacing with a new bridge and not a culvert
0, even with the streambed
8
What are 3 common types of bridge foundations found in D7
Spreadfoot, Caisson, Pile
9
What two items are required to be submitted to Geotech prior to driving steel H piles
PDA, WEAP
10
Who is required to inspect Cassions prior to placement of reinforcement cage or concrete
Geotech
11
Is the substructure or the superstructure designed first
Superstructure
12
Steel H piles are considered ___ piles
Bearing
13
PSC piles are considered ____ piles
friction
14
What's the two most important items to look for in a PDA report prior to driving production piles
number of blows/inch, weight of blows
15
Encasements used to build structures in water or wet areas are called what
coffer dam
16
Where can the pile driving criteria be found
PDA
17
Shop drawing are required for work bridges
False, traffic only
18
Wat is the contractor required if required resistance is achieved on steel H piles
pile template
19
Is minimum tip still required to construct to aid in pile driving
yes
20
Total weight of a 10' section of 14x73 steel H pile
730lbs
21
When is a concrete tremie required
funnel shaped 6ft
22
What's required on a spread footer for inspection purposes
Lab needs to inspect
23
What concrete mix is typically used in a caisson
Special caisson mix
24
During a 30' dry shaft caisson, concrete may be placed without use of a tremie
False
25
What percentage compaction is required 50' from a bridge to end?
100%
26
When adding nwater to concrete at the job stie, how many drum revolutions are required
30
27
What is the series # for bridge plans in a set of plans
35
28
What is the contractor required to submit prior to pouring structural concrete during cold weather
Cold Weather pour/cure plan
29
Part of the bridge that sits above the caps is called
superstructure
30
When is triple reinforcement bundling allowed on a bridge
never
31
How long must a bridge deck stay covered after placement of concrete
5 days
32
what is the dry run tolerance on a bridge deck steel cover
1/8"
33
what is the maximum lift thickness when backfilling for approach slab construction
8"
34
What's the minimum bridge rating required to meet teh departments performance metric on bridge steel cover
100% bridges are greater than or equal to 90% cover
35
If a bridge deck is on a 70 degree skew, does the deck screed have to be on the same skew
no
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