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'1iK.A TECHNICAL XDVISCIRY T 5040.30 kovember 30, 1990 AT?.I\CH..fENi 3 14. "Joint Design for Concrete Highway and Street Pavements," Portland Cement Association, ISO59.03P, 1980. 15. "The Benefits of Using Oowel Bars," Federal Highway Administration, Pavement Division Technical Paper 89-03, 1989. 16. "Performance of Jointed Concrete Pavements, Volume III, Sumnary of Findings,* K. 0. Smith, 0. G. Peshkin, M. I. Darter, and A. L. Mueller, Federal Highway Administration,. FHUA-RD-89-138, November 1990 3.1.18
, -._ c 3 Memorandum Subject Technical Paper - The Benefits of Using Dowel Bars Da’e #PLY 1 7 Igeo From, Director, Office of Highway Operations Washington, D.C. .20590 TO: Regional Federal Highway Administrators Direct Federal Program Administrator Reply to Attn of. HHO-12 Attached for your use are two copies of a technical paper on the benefits of using dowel bars in PCC pavements. This paper suggests that dowel bars she;:: be used on all pavements, except possibly those with low truck volumes. paper also points out the need for proper installation if the benefits of the dowels are to be realized. Many States are experiencing premature deterioration of their undoweled PCC pavements. In these cases, we encourage the field offices to work with the States in evaluating the merits of dowel bars. We suggest that a copy of this paper be forwarded to each division office. We appreciate the efforts of the regional offices in reviewing the draft of this paper. If you have any questions concerning this paper, or wish to offer information relating to recent field experience with the installation of dowel bars, please contact Mr. David Law at FTS 366-1341. 3.2.1
Page 1: 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9
Page 4 and 5: h. The most common types of pavemen
Page 6 and 7: Fidh'X TECHSiC.AL .AL1L~!SC!?'r' T
Page 8 and 9: F!-ih'.A TECHN1C.U XDI'IS3RY T 5010
Page 10 and 11: TABLE 3. MAXIMUM RECOMMENDED TIEBAR
Page 12 and 13: ?%‘.4 TECHWIC.4L ADVISORY T 3040.
Page 14 and 15: . C ‘i!\‘*A . . T’ECHSIC4L .U
Page 16 and 17: CH!\‘.?l TECZSIC'.AL ADVISORY T 5
Page 18 and 19: TIEBAR PULL-OUT TESTS Proper consol
Page 22 and 23: TECHNICAL PAPER 89-03 -- Benefits o
Page 24 and 25: critical, as the restraint forces d
Page 28 and 29: TECRWICAL PAPER 89-04 -- PREFORMED
Page 30 and 31: maximum expansion. This will allow
Page 32 and 33: When sealing a width of two lanes o
Page 34 and 35: BXAHPLB B: The State elects to chan
Page 36 and 37: References 1. l'Design and Control
Page 38 and 39: Based on Kansas Standard Plan 707.2
Page 41 and 42: SlJbJect- Dowel Bar Inserters Date
Page 43 and 44: Dowel Bar Placement: pechanical Ins
Page 45 and 46: TABLE OF CONTENTS Abstract . . . .
Page 47 and 48: In July of 1988 this need for addit
Page 49 and 50: _i -. Corinu Procedure: A metal det
Page 51 and 52: PLACEMENT TOLERANCE SPECIFICATIONS
Page 53 and 54: placing dowels in a satisfactory cl
Page 55 and 56: ar inserter. On the first inserter
Page 57 and 58: extensive searches if a problem is
Page 59 and 60: SUMMARY AND CONCLUSIONS (continued)
Page 61 and 62: TABLE 1. DESCRIPIIOR OF PROJECYS IW
Page 63 and 64: TABLE 3. RANDOM SAMPLING SEQUENCE F
Page 65 and 66: .FICURE 1. COWEURAT?ON AND NuMBml;
Page 67: : __ APPENDIX A. DETAILED DATA FOR
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FHWA TECHNICAL ADVISORY T 5080.14 J
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FHWA TECiNICAL ADVISORY T 5080.14 J
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l.onghJdinal SECTION A-A onalmclion
Page 78 and 79:
Page 80 and 81:
Page 83:
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. REFE
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CASE STUDY - CONTINUOUSLY REINFORCE
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serve as a leveling course, to corr
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v. Details of Field Review It was n
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practice, chloride contents above 1
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pavement is constructed, we also re
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Sing1 e Lane Longitudfnal Bat CRCP
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LATERAL LOAD DISTRIBCTION AND THE L
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PURPOSE This paper summarizes data
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.A thxd study was ?e?ormed 5~ :he S
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__. Table 2. Encroachments on outsi
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The results presented by Ezery :\*e
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from the siab edge. The number of t
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-1 5 13 19 25 31 37 43 49 55 51 6i
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.A ::cleoier:Cai ?'.'3iU2::0:: Oi 5
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.M~&$iU~eTle~t!S and eStZbliSkfXl t
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Photos 5 k 6 - Two examples of wide
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0 ,A KC pavement that is widened 18
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13. Gordon K. Ray, ‘Concrete Shou
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I-60 Lmqitudinal CrackFnq - l988 in
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ill operatfms were cm@etM by July 1
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US. Deparmenr ol Transpoftarxx Fede
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Page 133 and 134:
Page 135 and 136:
FHWA TECHKICAL ADVISORY T 5080.17 J
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Page 139 and 140:
L 2 R'RWA TECEXICAL ADVISORY T 5080
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Page 143 and 144:
Page 145 and 146:
FFIWA TECHNICAL ADVISORY T 5080.17
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FHwA TECHNICAL ADVISORY T 5080.17 J
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7i%iA TZCHKICAL ADVISCRY T 5C80.17
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Page 153 and 154:
1. Platerials FHWA TECHNICAL ADVISO
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3. Mixins B. Batchers (1) (2) (3) (
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1. 2. 3. 4. 5. FHWA TECHNICAL ADVIS
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8. TEMPERATURE CONTROL FHWA TECHNIC
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1. SUBBASE TRIYMING FHWA TECHNICAL
Page 163 and 164:
12. 13. 14. TRUCK REGUIREMENTS FHWA
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16. THICKNESS TEST FHWA TECHNICAL A
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25. 26. (cl (d) FHWA TECHNICAL ADVI
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IO IS 20 25 x> Air temp., OC To use
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FHWA TECHNIC= ADVISORY T 5080.17 ju
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FHWA TECHNICti ADVISORY T 5080.17 J
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RSQUIREMENTS 1’. General Retireme
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48Cl Sum&y of State Highway Practic
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Quotatims (con’t~ (30); &lignment
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We recognize that some States have
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