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CONCRETE ROADS FOR LOW TRAFFIC VOLUMES Brian Walker BCP Engineers
Advantages Of Concrete Roads Ideal for emerging contractors Low capital costs on plant Can be laid on very steep grades Little or no layerworks required Low maintenance costs
Ideal for emerging contractors
Low Capital Costs on Plant
Can be laid on very steep grades - - greater than 25%
Little or No Layerworks
Low maintenance costs
Some Problems With Concrete Roads Incorrect aspect ratios Irregular shaped panels Settlement of fills Late saw cutting of joints Plastic shrinkage cracks
Incorrect aspect ratio of panel - Must be less than 1.2
Irregular shaped panels
Settlement of Fills Late Saw Cutting of Joints
Plastic shrinkage cracking
Other Types Of Concrete Roads Rollcrete Interlocking concrete blocks
Interlocking Concrete Blocks
Some Concrete Road Projects
Cost Comparisons Asphalt/concrete S-BG2Premix25 Mpa Conc. Total AsphaltR25R28R21R0R74 Conc.R0 R87.50
Summary Lower maintenance costs Helping emerging contractors Low capital cost of plant Ideal for steep grades Can reduce the cost of drainage Reduced requirement for scarce layerwork material
How Not To Build A Road Inappropriate surfacing Combined with no maintenance
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SESSION 8 Shoulder Considerations. Objectives Identify shoulder/edge support types Describe benefits of each type Discuss how edge support conditions.
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Example 3: Determination of M r = 3/8. Example 4: Pavement Thickness Given M r = 10,000 psi (69 MPa) and ESAL = 10 6, design the thickness of a pavement.
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Unit 26. Sizes 7-5/8” high 15-5/8” long Common depths – 8”, 10”,12” 3/8” mortar joints Walls usually stand 7’-4”
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Slopes (or steepness) of lines are seen everywhere.
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Product and Application Overview. Soff-Cut was founded in 1988 the inventor was a concrete contractor himself He persevered in designing a cutting process.
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LTPP Lessons Learned: Delaware SPS-2 Wednesday April 9, 2014 SPS-2 Tech Day, Dover, DE Gabe Cimini Project Manager, LTPP North Atlantic Regional Support.
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Masonry. Terms –F > 15-5 –Go thru all figures –Joints between brick = ¼ inch.
1 Reclaimed Asphalt Pavement in Arizona - Application and Verification October 3, 2008 Arizona Association of County Engineers.
Concrete Technology Ch8: Proportioning Concrete Mixes Lecture 14 Eng: Eyad Haddad.
Click to edit Master title style The Adkins Project … and the third little pig made his home from concrete treated with FIBERMESH ®. No huffing and puffing.
Community Development Department JOINT PARTICIPATION AGREEMENT WITH THE FLORIDA DEPARTMENT OF TRANSPORTATION For LANDSCAPE AND IRRIGATION IMPROVEMENTS.
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