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Concrete Bridge Deck Performance (2004) / Chapter Skim
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Pages 103-180

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From page 103...
... SURVEY SECTION A Question A1. What strategies does your agency currently use to provide a low-permeability concrete?
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From page 104...
... Question A1. (Continued)
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From page 105...
... Question A1. (Continued)
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From page 106...
... Question A2. What strategies does your agency currently use to provide a concrete that is resistant to freeze-thaw damage and deicer scaling?
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From page 107...
... Question A2. (Continued)
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From page 108...
... Question A3. What strategies does your agency currently use to provide abrasion resistant concrete?
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From page 109...
... Question A4. What strategies does your agency currently use to minimize cracking in bridge decks?
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From page 110...
... Question 4A. (Continued)
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From page 111...
... Question A4. (Continued)
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From page 112...
... Question A4. (Continued)
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From page 113...
... Question A5. What strategies does your agency currently use to prevent corrosion of reinforcement in bridge decks?
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From page 114...
... Question A5. (Continued)
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From page 115...
... Question A5. (Continued)
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From page 116...
... Question A5. (Continued)
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From page 117...
... Question A5. (Continued)
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From page 118...
... Question A6. What strategies does your agency currently use to provide a protective barrier for the deck concrete?
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From page 119...
... Question A6. (Continued)
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From page 120...
... Question A6. (Continued)
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From page 121...
... Question A7. What strategies has your agency used in the past to enhance bridge deck performance but no longer uses?
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From page 122...
... Question A7. (Continued)
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From page 123...
... Question A8. Please supply any information about life-cycle costs for the different strategies that your agency has used.
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From page 124...
... Question A9. Does your agency require any warranties for bridge decks?
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From page 125...
... SURVEY SECTION B Question B1. What design live loads does your agency use for bridge decks?
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From page 126...
... Question B2. What minimum deck thickness does your agency require?
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From page 127...
... Question B3. What is the minimum clear cover that your agency specifies for the top layer of reinforcement?
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From page 128...
... Question B4. What is the minimum clear cover that your agency specifies for the bottom layer of reinforcement?
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From page 129...
... Question B5. What is the maximum bar size that your agency uses for deck reinforcement?
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From page 130...
... Question B6. What is the maximum spacing for longitudinal bars?
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From page 131...
... Question B7. What is the maximum spacing for transverse bars?
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From page 132...
... SURVEY SECTION C Question C1. What grade of reinforcement does your agency specify for deck reinforcement?
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From page 133...
... Question C2. Does your agency specify epoxy-coated reinforcement?
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From page 134...
... Question C3. What types of reinforcement with metallic coating has your agency used?
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From page 135...
... Question C4. Has your agency used solid stainless steel reinforcement?
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From page 136...
... Question C5. Has your agency used fiber-reinforced polymer (FRP)
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From page 137...
... SURVEY SECTION D Question D1. For each of the following items, please list maximum and minimum values that your agency specifies and typical values used or achieved.
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From page 138...
... Question D1. (Continued)
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From page 139...
... Question D1. (Continued)
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From page 140...
... Question D1. (Continued)
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From page 141...
... Question D1. (Continued)
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From page 142...
... Question D1. (Continued)
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From page 143...
... Question D1. (Continued)
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From page 144...
... Question D1. (Continued)
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From page 145...
... Question D1. (Continued)
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From page 146...
... Question D1. (Continued)
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From page 147...
... Question D2. What types of cement does your agency allow?
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From page 148...
... Question D2. (Continued)
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From page 149...
... Question D3. What fly ash and pozzolan types does your agency allow?
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From page 150...
... Question D4. Does your agency have information of situations when the use of specific materials or test values was beneficial to enhancing the bridge deck performance?
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From page 151...
... Question D5. Does your agency have information of situations when the use of specific materials or test values was not beneficial to enhancing bridge deck performance?
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From page 152...
... SURVEY SECTION E Question E1. Which of the following overlay systems has your agency used in the past and which does your agency currently use?
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From page 153...
... Question E1. (Continued)
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From page 154...
... Question E2. Which of the following waterproofing membrane systems has your agency used in the past and which does your agency currently use?
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From page 155...
... Question E2. (Continued)
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From page 156...
... Question E3. Which of the following sealers has your agency used in the past and which does your agency currently use?
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From page 157...
... Question E3. (Continued)
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From page 158...
... Question E3. (Continued)
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From page 159...
... Question E4. If your agency has used cathodic protection systems in the past, please provide the name of the system(s)
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From page 160...
... Question E5. Describe your agency's experience with protective systems.
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From page 161...
... Question E5. (Continued)
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From page 162...
... SURVEY SECTION F Question F1. What maximum delivery time after batching does your agency specify?
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From page 163...
... Question F2. Does your agency specify the concrete placement method?
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From page 164...
... Question F3. What methods of concrete placement are used?
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From page 165...
... Question F4. Under what conditions does your agency require fogging systems?
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From page 166...
... Question F5. What surface finish does your agency specify for deck concrete?
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From page 167...
... Question F6. Under what conditions does your agency require the use of evaporation retardants prior to initiation of curing?
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From page 168...
... Question F7. What type of curing does your agency specify?
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From page 169...
... Question F8. When does your agency specify that curing must begin?
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From page 170...
... Question F9. What length of curing does your agency specify?
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From page 171...
... Question F10. What range of initial concrete temperature does your agency permit?
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From page 172...
... Question F11. What value, if any, does your agency specify for maximum temperature of deck concrete during the curing period?
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From page 173...
... Question F12. How frequently are the following tests made for quality control during deck placement?
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From page 174...
... Question F12. (Continued)
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From page 175...
... Question F13. Does your agency conduct tests of the hardened in-place concrete to check end-product performance?
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From page 176...
... Question F14. Does your agency use any in-place sensors or instrumentation for quality control during construction?
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From page 177...
... Question F15. When staged construction is used, does your agency require that the freshly placed concrete be isolated from trafficinduced vibrations in adjacent open traffic lanes?
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From page 178...
... Question F16. Does your agency require repair of cracks if they occur during construction?
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From page 179...
... Question F17. What methods are used to repair cracks?
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From page 180...
... Question F18. Explain which repair methods are most effective in prolonging deck service life.
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