Amazon Web Services - 2012 NCAT Pavement Test …...PowerPoint Presentation Author Mary Robbins...
45
2012 NCAT Pavement Test Track Pavement Preservation Study RMW Pavement Preservation Partnership Meeting October 8, 2013 Mary Robbins
Transcript of Amazon Web Services - 2012 NCAT Pavement Test …...PowerPoint Presentation Author Mary Robbins...
2012 NCAT Pavement Test Track Pavement Preservation Study
RMW Pavement Preservation Partnership Meeting
October 8, 2013
Mary Robbins
Pavement Preservation
“A program employing a network level, long-term strategy that enhances pavement performance by using an integrated, cost-effective set of practices that extend pavement life, improve safety and meet motorist expectations”
- FHWA Pavement Preservation Expert Task Group
2
Pavement Preservation
“A program employing a network level, long-term strategy that enhances pavement performance by using an integrated, cost-effective set of practices that extend pavement life, improve safety and meet motorist expectations”
- FHWA Pavement Preservation Expert Task Group
3
2012 Preservation Group (PG) Study
• Quantify life extending benefit of study treatments
– Time/traffic to return to pretreatment condition(s)
– Test sections on the Track and Lee Road 159
• Sampling/testing for construction quality
4
PG Sections on Lee Road 159
5
Asphalt Plant
Martin Marietta Quarry
• Low ADT roadway
• Very high % trucks
• Load data provided by quarry and asphalt plant
• No traffic control needed for data collection
Lee Road 159
Final 159 Treatment Layout
• Preventive maintenance
• Routine maintenance
• Minor rehabilitation
6
L11 Lee Road 159
7
Lee Road 159 Construction
8
Inbound Thinlays
EAP
100% Foamed Inlay
Lanford Brothers
7/17
FiberMat Strawser
8/28
Outbound ultra thin bonded Astec Spray Paver
Sept Aug Oct Jul
2012
Chip & Scrub Seals Microsurface
Vance Brothers
Rates Checked Prior to Placement
9
Actual Rates Verified During Placement
10
Lee Road 159 Pavement Preservation Experiment
to Reduce the Cost to Maintain Your Roads
Funding Provided by: Alabama, Mississippi, Missouri, North Carolina,
Oklahoma, South Carolina, Tennessee, and FP2 via Auburn University and the Lee County Commission
11
L1 – Rejuvenating Fog Seal
12
L2 – FiberMat Chip Seal
13
L3 – Untreated Control
14
L4 – Untreated Control
15
L5 – Crack Sealing
16
L6 – Chip Seal
17
L7 – Chip Seal with Crack Sealing
18
L8 – Triple Layer Chip Seal
19
L9 – Double Layer Chip Seal
20
L10 – Cape Seal (Micro Surface on Chip Seal)
21
L11 – Micro Surface
22
L12 – Micro Surface with Crack Sealing
23
L13 – Double Layer Micro Surface
24
L14 – Micro Surface on FiberMat
(FiberMat Cape)
25
L15 – Micro Surface on Scrub Seal (Scrub Cape)
26
L16 – Scrub Seal
27
L17 – Subsection Distress Data
Demonstration
28
L18 – Thin HMA Overlay on FiberMat
(HMA Cape)
29
L19 – Thin HMA Overlay
30
L20 – Thin HMA Overlay on
100% RAP Mix Base
31
L21 – Polymer Thin HMA Overlay
32
L22 – Bonded Thin HMA Overlay
33
L23 – 50% RAP Thin HMA Overlay
34
L24 – 5% RAS Thin HMA Overlay
35
L25 – HiMA Thin HMA Overlay
36
159 Testing Overview • Weekly
– ARAN Van (rutting, roughness, texture)
– Video for crack mapping
– Visual inspections with notes/pictures
• Monthly
– Wet ribbed surface friction
– Subgrade moisture readings
– Falling weight deflectometer (FWD)
• Other
– Ground penetration radar (GPR)
37
Lee 159
38
Crack Maps
39
-12
-10
-8
-6
-4
-2
0
2
4
6
8
10
12
0 10 20 30 40 50 60 70 80 90 100
L5 June 2013
Sealed_In
New_In
Sealed_out
New_Out
PG Study Implementable Findings
40
PG Study Implementable Findings
41
PG Study Implementable Findings
42
PG Study Implementable Findings
43
44
www.pavetrack.com
Questions ?
Dr. Mary M. Robbins Assistant Research Professor
277 Technology Parkway
Auburn, AL 36830
Phone: (334) 844-7303
Cell: (334) 750-2076
Email: [email protected]
