concrete pavement design details and construction practices...
TRANSCRIPT
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CONCRETE PAVEMENT DESIGN DETAILS AND CONSTRUCTION PRACTICES A Training Course
National Highway
Institute Federal Highway
Administration
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SESSION 1
Overview
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Introduction
• Focus of concrete pavement design:
SLAB THICKNESS
• Does slab thickness solve all concrete
pavement performance problems?
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Distress Type?
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Distress Type?
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Distress Type?
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Distress Type?
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Distress Type?
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Distress Type?
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Distress Type?
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Comprehensive Concrete Pavement Design
• More than just slab thickness
• Direct consideration of other design
elements, e.g.,
– Joint spacing
– Load transfer
– Shoulder design
• Design pavement as a system
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Overall Course Objectives
• Recognize effect of design features on
performance
• Select appropriate design features
• Identify construction practices critical to
performance
Focus is on jointed plain
concrete pavements
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General Design Considerations Traffic Design Life Subgrade Reliability Climate Costs Other Factors
Select Concrete Pavement Type
Specific Concrete Pavement Design Elements
Subgrade Characterization
Drainage Design
Base Selection and Design
Thickness Design
Joint Design
Shoulder Design
Construction
Special Design and Construction
Considerations for Reinforced
Pavements
Concrete
Pavement Design
and Construction
Process
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Course Content
DAY ONE
• Course Introduction
• Concrete pavement type selection
• Subgrade characterization
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Course Content
DAY TWO
• Drainage considerations
• Base selection and design
• Thickness design
• Joint design
• Shoulder considerations
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Course Content (cont’d)
DAY THREE
• Construction considerations
• Special considerations for
reinforced pavements (optional)
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Course Format
• Lecture/discussion
• Workshops
• Protocol:
– Informal
– Questions are encouraged
– Class participation is essential
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Workshops
• Opportunity to apply course concepts
• Most are computer-oriented:
– Selection of k-value
– Base and drainage selection
– Preliminary thickness design
– Final pavement design
– Cost-effectiveness evaluation
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Course Reference Materials
• Concrete Pavement Design Details
and Construction Practices —
Technical Digest
• Concrete Pavement Design Details
and Construction Practices —
Participant’s Workbook
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Related NHI Courses
• Techniques for Pavement Rehabilitation (No. 13108)
• Portland Cement Concrete Materials (No. 13119)
• Pavement Subsurface Drainage Design (No. 13126)
• Construction of Portland Cement Concrete
Pavements (No. 13133)
• Pavement Distress Identification (No. 13134)
http://www.nhi.fhwa.dot.gov
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Summary
• Comprehensive pavement design
– More than just slab thickness
– Selection/incorporation of design features
• Overview of course
– Course content
– Format
– Reference materials