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FHWA TECHNICAL ADVISORY T 5080.17 ally 14, 1994 chert C. Water (1) The water serves as a key material in the hydration of the cement. In general, potable water is recommended although some non- potable water may also be acceptable for making concrete. Water of questionable quality should be examined since this can effect the strength and setting time. The following criteria is contained in Table 1 in AASHTO M 157 and is based on control tests made with distilled water: Test Limits Compressive strength percent of control tests at 7 days 90 Time of set deviation from control 1 hour earlier to 1.5 hour later 3.10.4
FHWA TECHNICAL ADVISORY T 5080.17 July 14, 1994 (2) Wash water can be used providing the resulting to make concrete concrete mix water meets the followincr AASHTO M 157: criteria - in Table 2 in Chemical Limits Chloride as percent of weight of cement for the following uses: prestressed concrete reinforced concrete in moist environment exposed to chlorides reinforced concrete in moist environment not exposed to chlorides sulfates alkalis total solids 0.06 0.10 0.15 3000 ppm 600 ppm 50,000 ppm (3) If there is any question about the water, it should be tested using AASHTO T 26. (4) It should be noted that the American Concrete Institute (ACI) provides more stringent tolerances for total chlorides in the mix. The chloride content for wash water in AASHTO M 157 is recommended for total chloride content in AC1 201.2R 22. d. Admixtures. Admixtures are typically placed in mixes to improve the quality or performance. can affect several properties and can have a They adverse impact on the mix if not used properly. To avoid possible problems, it is suggested that trial batches be made to evaluate the mix. L (1) Air entraining admixtures should be specified when concrete will be exposed to freeze/thaw conditions, deicing salt applications, or sulfate attack. Recommendations for air content are contained in paragraph 4d. 3.10.5
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3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9
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h. The most common types of pavemen
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Fidh'X TECHSiC.AL .AL1L~!SC!?'r' T
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F!-ih'.A TECHN1C.U XDI'IS3RY T 5010
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TABLE 3. MAXIMUM RECOMMENDED TIEBAR
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?%‘.4 TECHWIC.4L ADVISORY T 3040.
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. C ‘i!\‘*A . . T’ECHSIC4L .U
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CH!\‘.?l TECZSIC'.AL ADVISORY T 5
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TIEBAR PULL-OUT TESTS Proper consol
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'1iK.A TECHNICAL XDVISCIRY T 5040.3
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TECHNICAL PAPER 89-03 -- Benefits o
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critical, as the restraint forces d
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TECRWICAL PAPER 89-04 -- PREFORMED
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maximum expansion. This will allow
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When sealing a width of two lanes o
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BXAHPLB B: The State elects to chan
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References 1. l'Design and Control
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Based on Kansas Standard Plan 707.2
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SlJbJect- Dowel Bar Inserters Date
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Dowel Bar Placement: pechanical Ins
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TABLE OF CONTENTS Abstract . . . .
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In July of 1988 this need for addit
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_i -. Corinu Procedure: A metal det
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PLACEMENT TOLERANCE SPECIFICATIONS
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placing dowels in a satisfactory cl
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ar inserter. On the first inserter
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extensive searches if a problem is
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SUMMARY AND CONCLUSIONS (continued)
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TABLE 1. DESCRIPIIOR OF PROJECYS IW
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TABLE 3. RANDOM SAMPLING SEQUENCE F
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.FICURE 1. COWEURAT?ON AND NuMBml;
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: __ 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
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Page 83: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. REFE
Page 86 and 87: CASE STUDY - CONTINUOUSLY REINFORCE
Page 88 and 89: serve as a leveling course, to corr
Page 90 and 91: v. Details of Field Review It was n
Page 92 and 93: practice, chloride contents above 1
Page 94 and 95: pavement is constructed, we also re
Page 96 and 97: Sing1 e Lane Longitudfnal Bat CRCP
Page 99 and 100: LATERAL LOAD DISTRIBCTION AND THE L
Page 101 and 102: PURPOSE This paper summarizes data
Page 103 and 104: .A thxd study was ?e?ormed 5~ :he S
Page 105 and 106: __. Table 2. Encroachments on outsi
Page 107 and 108: The results presented by Ezery :\*e
Page 109 and 110: from the siab edge. The number of t
Page 111 and 112: -1 5 13 19 25 31 37 43 49 55 51 6i
Page 113 and 114: .A ::cleoier:Cai ?'.'3iU2::0:: Oi 5
Page 116 and 117: .M~&$iU~eTle~t!S and eStZbliSkfXl t
Page 118 and 119: Photos 5 k 6 - Two examples of wide
Page 120 and 121: 0 ,A KC pavement that is widened 18
Page 122 and 123: 13. Gordon K. Ray, ‘Concrete Shou
Page 125 and 126: I-60 Lmqitudinal CrackFnq - l988 in
Page 127 and 128: ill operatfms were cm@etM by July 1
Page 129 and 130: US. Deparmenr ol Transpoftarxx Fede
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Page 153 and 154: 1. Platerials FHWA TECHNICAL ADVISO
Page 155 and 156: 3. Mixins B. Batchers (1) (2) (3) (
Page 157 and 158: 1. 2. 3. 4. 5. FHWA TECHNICAL ADVIS
Page 159 and 160: 8. TEMPERATURE CONTROL FHWA TECHNIC
Page 161 and 162: 1. SUBBASE TRIYMING FHWA TECHNICAL
Page 163 and 164: 12. 13. 14. TRUCK REGUIREMENTS FHWA
Page 165 and 166: 16. THICKNESS TEST FHWA TECHNICAL A
Page 167: 25. 26. (cl (d) FHWA TECHNICAL ADVI
Page 171: IO IS 20 25 x> Air temp., OC To use
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Page 179 and 180: 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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