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Projects Relating to Construction Techniques and Methods

Abstract or report numbers that are highlighted blue are available for immediate download. Note that some older reports have very large file sizes. If you prefer, you may request a hard copy of those reports from Mark Dunn.

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HR-181 [abstract] [report] 1.6 MB The Evaluation of Macadam Stone Shoulders, 1981
  HR-186 [abstract] [report] 4 MB Evaluation of Productivity Resulting From Removal of Soil for Hwy Construction, 1981
HR-221 [abstract] [report] 1.8 MB Construction and Maintenance Practices to Minimize the Potential Liability of Counties for Roads in Rural Subdivisions., 1981
HR-277 [abstract] [report] Crack and Seat PCC Pavement Prior to Resurfacing to Retard Reflective Cracking, 1993
HR-279 [abstract] [report] 641 kB Cracking & Seating to Retard Reflective Cracking – Fremont County, 1993
HR-283 [abstract] [report] Pavement Texturing by Milling, 1987
HR-294 [abstract] [report] 2.4 MB Ammonium Phosphate/Fly Ash Road, 1993
HR-308 [abstract] [report] 3.8 MB Strengthening of Existing Continuous Span Steel Beam Concrete Deck Bridges by Post-Tensioning, 1990
HR-314 [abstract] [report] 1.3 MB Air Formed Arch Culvert Construction Crawford County, 1995
HR-315 [abstract] [report] 5.1 MB Iowa Development of Rubblized Pavement Base Mills County, 1995
  HR-339 [abstract] [report] 4.7 MB A Multi-Project Scheduling Procedure for Transportation Projects
  HR-380 [abstract] [report] Maturity & Pulse Velocity Measurements for PCC Traffic Opening Decisions, 1998
HR-510 [abstract] [report] 1.9 MB Reinforced Earth and Stone Columns for Weak Subsoil Conditions, 1980
HR-527 [abstract] [report] 636 kB Crack and Seat PCC Pavement Prior to ACC Resurfacing (saw & seal ACC Joints), 1990
HR-528 [abstract] [report] 236 kB Nongrouted Bonded PCC Overlay - City of Oskaloosa, 1993
HR-529 [abstract] [report] 364 kB City of Muscatine Foamed Asphalt, 1993
HR-1035 [abstract] [report] 536 kB Longitudinal Grinding and Transverse Grooving to Improve Friction and Profile, 1986
HR-1057 [abstract] [report] 188 kB Trial Surface Repair by Steel Shot Blasting, 1992
  HR-1085 [abstract] [report] 5.9 MB Construction of Iowa HWY 60 Precast Prestressed Concrete Pavement Bridge Approach Slab Demonstration Project - July 2007
  HR-2107 [abstract] [report]1 MB

High Performance Concrete Bridge Deck Overlays for County Bridges, October 2007

  TR-438 [abstract] [report] 3.6 MB Integral Abutment Bridge With Precast Concrete Piles, 2007
  TR-443 [abstract] [report] 3.5 MB Highway Applications for Rammed Aggregate Piers in Iowa Soils
  TR-478 [abstract] [report] 1.7 MB Evaluation of Composite Pavement Unbonded Overlays: Phase III
TR-479 [abstract] [report] 761 kB Investigation into Improved Pavement Curing Materials and Techniques, Part 2, Phase III
  TR-487 [abstract] [report] 4 MB Development of Object-Oriented Design and Specifications for Iowa DOT and Urban Standards: Phase I, 2004
  TR-498 [abstract] [Vol 1] 2.6 MB

[Vol II] 5.3 MB

Field Testing of Railroad Flat Car Bridges - September 2007
  TR-503 [abstract] [report] 4.7 MB Utility Cut Repair Techniques - Investigation of Improved Utility Cut Repair Techniques to Reduce Settlement in Repaired Areas
  TR-508 [abstract] [report]5.07 MB Design Guide and Construction Specifications for National Pollutant Discharge Elimination System (NPDES) Runoff Control
  TR-513 [abstract] [report] 2.2 MB Decision Support Model for Assessing Archaeological Survey Needs for Bridge Replacement Projects in Iowa
  TR-520 [abstract] [report] 1 MB Evaluation of Dowel Bar Retrofits for Local Road Pavements, 2008
  TR-528 [abstract] [report] 2 MB Developing a New Process for Determining Design Year Traffic Demands, 2007
  TR-531 [abstract] [report]11.6 MB Effective Shoulder Design and Maintenance, June 2007
  TR-538

Phase I

[abstract] [report]3.55 MB Using Scanning Lasers for Real-Time Pavement Thickness Measurement, 2006
  TR-542 [abstract] [Standard] Development of Continuous Concrete Bridge Standards, also available at: http://www.dot.state.ia.us/bridge/countybrgstd.htm
  TR-547 [abstract] [report] 1.8 MB Investigation of Electro-Magnetic Gauges for Determination of In-Place Density of HMA Pavements, 2007
MLR-8303 [abstract] [report] 872 kB Performance of Reinforcement Fabric Used Under Asphaltic Concrete Overlays, 1983
  MLR-9705 [abstract] [report] 1.5 MB Early Entry Sawed PCC Transverse Joint Ends, 2003
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