milestone smart choices
TRANSCRIPT
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Asphalt Pavements are
ABSOLUTELY
The Smart Choicefor
Indiana
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Your Choice for Roads
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Heritage Group HRG
Construction Mining Environmental
Research &Development
Refining &Distribution
Crystal FlashLaketon RefiningCalumet LubricantsAsphalt MaterialsEmulsicoatBituminous MaterialsShandong Heritage
Milestone ContractorsHeritage Industrial Services
U.S. AggregatesWhite Rock QuarryMeshberger StoneDelphi LimestoneU.S. Steel - Gary
Heritage Environmental ServicesHeritage TechnologiesHeritage Crystal CleanHeritage TransportHeritage Inter@ctive Information
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Shandong Heritage LLC
Milestone Contractors LP
Heritage Environmental
Calumet LubricantsU.S. Aggregates
Asphalt Materials Inc.
Heritage Group
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Uses for Asphalt
Highways Airports
Recreational Industrial
Intersections
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94%
There’s a reason that
94%of all paved surfaces are
ASPHALT!
Paved Miles by Surface Type
6% PCC
Asphalt
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Asphalt Pavements Are
• Smooth
• Quiet
• Economical
• Safe
• 100% recyclable
• Environmentally friendly
• Versatile
• State-of-the-art
• High-visibility markings
• Less user delay• Easy to maintain at a high level of serviceability
• Resistant to de-icing chemicals
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Asphalt Pavements Are
SMOOTH
and
SAFE !
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Payment IRI
Excellent <35Very Good (Bonus) 35.1 - 45Good 45.1 - 55Acceptable 55.1 - 70Unacceptable (Penalty) 70.1 - 95Must Correct >95
Ride Quality
Many improvements have occurred in recent years to allow asphalt to be even smoother. Milestone has invested in the latest Pavers and Material Transfer Devices to achieve the smoothest pavements
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Asphalt Pavements are Smooth
The ability to paveuninterrupted and the absence of joints every 20 feetresult in SMOOTHpavements
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YEARS
PavementCondition Index
+ 15%
NCHRP 1-31 estimated 15% increase in pavement life for 50% increase in smoothness
Pavement Condition Index
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Sheldon G. Hayes Award Winner
Smooth pavements, such as the recent Sheldon G. Hayes award winner last longer, are safe, save gasoline, decrease wear and tear on vehicles and are enjoyable to drive. Milestone is a two time winner of this most coveted national award !
Need I-65 Picture Downtown !!!!
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The average IRI number decreasedby 10%, resulting in a 4.5% increase in miles/gallon
At WesTrack
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Asphalt Pavements Are Safe
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Inherently, some aggregates offer better skid resistance over a longer period of time. Asphalt pavements allow the specifying agency to choose a skid resistant aggregate based on traffic volume. Milestone has conducted extensive studies on friction.
Asphalt Pavements are Skid Resistant
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Friction Number = 11
FRICTION
Measuring Texture
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Friction Number = 24
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Friction Number = 57
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y = 14.2Ln(x) + 62.98R2 = 0.8516
010203040506070
0.00 0.10 0.20 0.30 0.40 0.50 0.60
Macrotexture Depth, mm
Fric
tion
Num
ber
Series1Log. (Series1)
Correlation of Friction Numberto Macrotexture Depth
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Milestone Pavement Friction Research
• Wet Friction on Pavements are related to both Macro and Micro Texture of the Pavement
• Friction can be maintained at a higher level long term if these parameters are controlled
• Pavements which utilize Steel Slag are higher in both parameters than conventional pavements
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Safe
• Milestones research found that asphalt pavements can be designed at any level of friction desirable to the application. This research also found that friction can also be maintained over long periods of time and under varying traffic conditions.
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Steel Slag Aggregate
• Pavements which contain Steel Slag Aggregates can save lives due to increased wet friction
• Steel Slag also improves rutting resistance and increases the durability of the pavement
• Steel Slag is being used on our highest performance pavements in Indiana
• Milestone is a leader in placement of these pavements
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4 million tons per year of aggregate travel on Steel Slag
SMA
Quarry Entrance
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Steel Slag SMA on I-70
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Steel Slag SMA on I-70
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Steel Slag SMA Friction
35
52
0
10
20
30
40
50
60
Conventional MixSteel Slag SMA
Fric
tion
Stopping distance on wet pavements is directly related to Friction Number
8 year old pavements
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Superpave 4.75 mm Mix
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Superpave 4.75 mm Mix
• Advantages– Thin mixtures– Economical – Proven performer– Local Natural Sand usually acceptable– High Skid Resistance– Very Smooth
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Steel Slag Superpave 4.75mmIndianapolis Raceway Park
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IRP April 2001
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Indianapolis Raceway Park
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IndianapolisRaceway Park
Nationals325+ MPH
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The use of Porous Asphalt reduces tire spray and hydroplaning improving visibility and skid resistance.Milestone built the first porous road in Indiana
Asphalt Pavements are Skid Resistant
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Asphalt Pavements
VS
Provide visibility of pavement markings
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Asphalt Pavements Are
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A review of Ohio’s Interstate compared asphalt and pcc pavements ranging in age from 25 to 34 years old. The asphalt pavements were lower in initial costs with an ever widening gap throughout the life of the pavement.
An important note is the asphalt pavements have provided 25 to 34 years of service without the need for reconstruction or rehabilitation. Only routine maintenance of the wearing course.
Asphalt Pavements are Durable
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Ohio Compares HMA and PCC
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“Clearly, the majority of the AC overlays included in the LTPP database have served for 15 years or more before the load related and non-load-related distresses became sufficient to require rehabilitation.”
Asphalt Pavements are Durable
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Florida Reported
Initial Annual MaintenanceHMA $544,981 $132
PCC $765,729 $261
Asphalt Pavements are Durable
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Vermont’s Rt. 727 years without an overlay
Asphalt Pavements are Durable
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States have more HMA contractors than pcc contractors thus money spent on HMA pavements are more likely to remain in the local economy.
Asphalt Pavements and Local Economy
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Asphalt Pavements Can Be
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115,000 tons in 15 days
11,000 tons in 24 hours
Newark Airport
Constructed Quickly and Efficiently
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User Delay
• As traffic reaches road capacity any disruption creates huge delays on roads
• The US is starting to calculate user delay fees into road projects to speed construction of any rehabilitation
• Night Paving has become popular to minimize peak traffic during daytime use
• Mill and Fill has proven on a Life Cycle basis to minimize user delays
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ASPHALT VS. CONCRETE
Constructed Quickly and Efficiently
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Constructed Quickly and Efficiently
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Asphalt Can Reduce User Delay by 80%
12 - 1 1.3 12 - 13 5.5 1 - 2 0.9 13 - 14 5.5 2 - 3 0.8 14 - 15 6.1 3 - 4 0.8 15 - 16 7.3 4 - 5 1.1 16 - 17 7.8 5 - 6 2.1 17 - 18 7.2 6 - 7 4.7 18 - 19 5.4 7 - 8 6.4 19 - 20 4.3 8 - 9 5.6 20 - 21 3.7 9 - 10 5.1 21 - 22 3.2 10 - 11 5.2 22 - 23 2.6 11 - 12 5.4 23 - 24 2.022.5%
Off-peak paving( Urban Interstate )
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Ability to Mill and Pave in Off-Peak HoursMilestone is a leader in Mill and Fill Projects
Can Reduce User Delay by 80%
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Warranties• Milestone is a leader in warranted
pavements. Milestone built the first INDOT 5 year warranted pavement in 1996 on I-70 east of Greenfield, Indiana
• Milestone is also warranting other public and private work. If you are interested ask about the warranties option.
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Shhhhh!
Asphalt Pavements are Quiet
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NCHRP 268
Conclusions: “In general, when dense-gradedasphalt and PCC pavements are compared,the dense-graded is quieter by 2 to 3 dB(A)”
A 3dB(A) reduction corresponds to:- doubling the distance (line source)- reducing the traffic volume by 50%- reducing the traffic speed by 25%
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“Where traffic noise is just loud enough to justifybuilding noise barriers to protect adjoining homes and businesses, the substitution of a Porous Asphalt wearing course can reduce the noise to an acceptable level. The cost is about 1/8 of a noise barrier on one side of the highway, or 1/16 on both sides of the highway. Not only does this technique save tax dollars, but the road is environmentally and aesthetically superior.”
Roads & Bridges – Jan. 1989
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Porous Asphalt
• Milestone is building projects additional projects with Porous Asphalt to reduce tire noise. These pavements are proven to be 3-5 decibels lower in studies.
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Asphalt Pavements Are
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California has been specifying asphalt liners for water containment facilities since the 1950s
After 18 months in the asphalt-lined pond the salmon are released. In Oregon they have “had good results rearing quality fish in the asphalt-lined ponds”
Environmentally Friendly
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Milestone Pond Construction
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Milestone Pond Liner
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Asphalt Pavements Are
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RubblizationAsphalt Pavements are 100% Recyclable AND the Surprise Leader in Recycled Materials
Recycling RatesAsphalt pavement 80%Aluminum cans 60%Newsprint 56%Plastic bottles 37%Glass bottles 31%Magazines 23%
100% Recyclable
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Recycling is unique to asphalt pavements.
• Results in an economic savings• Conserves natural resources:
- energy- aggregate- asphalt cement
100% Recyclable
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Reclaimed Asphalt Pavements (RAP)
• Milestone Contractors was a pioneer in reclaiming asphalt pavements in 1978
• The process involves milling off the old asphalt layer
• Processing the RAP into useable size• Recycling through the hot mix plant• Currently Milestone recycles 400,000 tons/year
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RAP from Milling Operations
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Milestone RAP Processing
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RAP Processing
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RAP Processing
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Milestone RAP Storage
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Milestone Hot Mix Plant with Recycling
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or
Recycle (HMA) or Landfill (PCC)
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Rubblization
Versatile
Asphalt Pavements Are
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Rubblization Ability to Rubblize worn out pcc pavements and rehabilitate quickly and efficiently with hot mix asphalt.
Asphalt Pavements are Versatile
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Rubblization Technology
• Milestone investigated a number of rehabilitation technologies for concrete pavements which include…
• Remove and replace• Joint repair• Crack and Seat• Rubblization
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Rubblization
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Rubblization
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Rubblization
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Rubblization Technology
• Rubblization Technology has been determined to be the best rehabilitation technology for worn out concrete from a life cycle cost analysis for many concrete pavements
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Rubblization
• Studies have found that rubblized concrete is structurally higher than granular base due to the keyed structure of the concrete
• The rubblized concrete is primed with asphalt emulsion
• Then overlayed with HMA
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Strategic Highway Research Program
• 5 Years, $150 million• asphalt ($50 million)• cement and concrete• long term pavement performance• pavement effectiveness• bridge protection• snow and ice control
Asphalt Pavements are State-of-the-Art
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SHRP Asphalt Binder Spec• Grading System Based on Climate
PG 64-22PerformanceGrade
Average 7-daymax pavementdesign temp
Min pavementdesign temp
Superpave
0102030405060708090
100
1996 1997 1998 1999 2000 2001
1 420
41
+60
+80
%
YEAR
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Superpave
• Milestone has a state of the art Superpave research and mix design laboratory
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Milestone Approach to Roads
• Additionally Milestone has invested strongly in R&D in looking at the road as a complete system to understand how all the pieces worked together to produce a successful long lasting pavement
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No structural rutting
No roadbase cracking
Replaceable surface
High Performance Asphalt SurfaceAsphalt Roadbase
Sub-base
Subgrade
Pavement DesignOur Technology
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Designing for your climateusing Modified Asphalts
• Gives conventional asphalt better hot weather stiffness
• Without hurting asphalts low temperature stiffness
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Our Technology for Roads
• High Temperature Rutting Prediction
• Cold Weather Cracking Prediction
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Our Technology for Roads
• Mix DesignCombining Asphalt and Aggregate into an optimum blend
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Subgrade
• Subgrade needs to be considered in all projects• Building roads in Florida ( Sand ) vs Georgia (
Red Clay ) are very different– Lime treatment works with some clays not all– Cement treatment almost always works but has
had significant problems due to too much cement causing cracking in upper layers
– Granular bases are used often in some areas
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Perform
• Milestone has tested asphalt pavements under the most difficult conditions such as at the entrance to the busiest truck stop in Indiana
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FLYING J TRUCK STOP
1100 trucks per day
THOMPSON ROAD
Milestone Repair
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THOMPSON ROAD AND FLYING J TRUCK STOP
As it looks today, age 3 years
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Asphalt Pavements AreState-of-the-Art
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Asphalt Pavements
Allow for stage
construction
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Are not affected by de-icing materials
Asphalt Pavements
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Easy to Maintain at a High Level of Serviceability
Asphalt Pavements Are
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Convenient whenmaking utility cut repairs
Asphalt Pavements Are
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Architect FriendlyHistorical areas,cross-walks, driveways, etc. have the option to choose a varietyof brick patterns in varying colors
Asphalt Pavements Are
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BEAUTIFUL !Asphalt Pavements Are
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No wonder 94 times out of 100“The Smart Choice is Hot Mix Asphalt”
Thank You!