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Pages 180-195

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From page 180...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-1 A P P E N D I X A Literature Review of Transportation Agency Supported Research Introduction This section summarizes research reports, technical and synthesis documents that were identified as part of the literature review effort. Particularly, documents related to State DOT sponsored research and that are relevant to the service life design of bridges are included.
From page 181...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-2 deck and substructure. The worst subcomponents were reinforcement/deck structure, curbs, sidewalks, expansion joints, paint, live load deflection, and abutment walls.
From page 182...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-3 authors suggest the same procedure be carried out to estimate the service life of a chosen population of bridge decks. The authors recommend the following time to deterioration stages: • 6 years to cracking in the cover (for bare steel)
From page 183...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-4 NCHRP Report 558 - Manual on Service Life of Corrosion-Damaged Reinforced Concrete Bridge Superstructure Elements (Sohanghpurwala 2006) The primary objective of this research is to provide procedures for the following: 1.
From page 184...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-5 determined, a feature of the NBMD system and software applications. Chapter 6 provides a glossary of terms related to Highway Bridge Maintenance.
From page 185...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-6 FHWA Bridge Preservation Guide (FHWA 2011) In order to have a successful bridge program, bridge owners need to adopt and implement more systematic processes for bridge preservation with a balanced approach to preservation and replacement.
From page 186...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-7 Guidelines for Selection of Bridge Deck Overlays, Sealers and Treatments (Krauss et al.
From page 187...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-8 conclusion about drainage was made in the report. Specifically, care should be taken as to where drainage of chloride containing water is sent.
From page 188...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-9 the best and most cost-effective (on a life cycle cost basis) remediation practices and optimum time to remediate to extend the life of bridge decks.
From page 189...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-10 Maintenance Actions to Address Fatigue Cracking on Steel Bridge Structures (Connor and Lloyd 2017) This research was performed under NCHRP Project 20-07, Task 387.
From page 190...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-11 the metal improving its actual service life. Coatings such as bituminous and asphalt-based, fiber-bonded bituminous, asphalt mastic, polymerized asphalt, and polymeric sheet coating have shown great performance in metal culvert against corrosion.
From page 191...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-12 the permeability of water and deicing salts, reducing the probability of deterioration of bridge girders and decks as a consequence of freeze-thaw damage and reinforcement corrosion. NCHRP Synthesis 423 - Long-Term Performance of Polymer Concrete for Bridges Decks (Fowler and Whitney 2011)
From page 192...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-13 are discussed, specifically avoidance of deterioration, deemed-to-satisfy, and probabilistic performance based design. Several materials are presented and their performance is evaluated.
From page 193...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-14 NCHRP Report 566: Guidelines for Concrete Mixtures (Lawler et al.
From page 194...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-15 1. Sealer material properties; 2.
From page 195...
... NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges A-16 elimination of steel painting of the structure. There are also environmental benefits for the use of this material.

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