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Pavement
Engineering
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 GESTRA’s pavement engineering
services include field and
laboratory evaluation, and
engineering services for highway
pavement, airport runways and
parking lots as required by
Wisconsin Department of
Transportation (WisDOT), Illinois
Department of Transportation (IDOT),
Federal Highway Administration (FHWA)
and National Cooperative Highway
Research Program (NCHRP).
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Field Evaluation |
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Pavement Surface Evaluation
Rating (PASER) & Pavement
Failure Investigation
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Pavement Profiling, Roughness &
Skid-resistance Testing
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Falling Weight Deflectometer
(FWD) Testing
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Dynamic Cone Penetration (DCP)
Testing
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Sub-surface Exploration
(Drilling Services)
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Pavement (Asphalt & Concrete)
Coring
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Ground Penetrating RADAR (GPR)
Pavement Layer Evaluation
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Profilograph
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Construction Material Testing
and Inspection
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Laboratory Evaluation |
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Subgrade and Base Course Testing
(Index
properties/gradation/permeability)
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Maximum Density (Asphalt & Soil)
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Specific Gravity (Asphalt & Soil)
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Marshal Stability (Asphalt & Soil)
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Concrete Compression
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Asphalt Content
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Engineering Services |
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Pavement Analysis & Design (MEPDG,
WisPAVE, WAPA, IDOT Spreadsheet &
AASHTO 1993)
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Material Characterizations (Asphalt,
Concrete & Aggregate)
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Subgrade Evaluation
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Superpave Mix Design
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Remaining Life Prediction of
Existing Pavement
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Back Calculation of Layer Moduli
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Pavement Rehabilitation
Recommendation
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Drainage Layer System Design &
Evaluate Filter Media
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Statistical Analysis & Probabilistic
Design
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