Service Life of Culverts (2015) / Chapter Skim
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Pages 41-44
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From page 41... ...
39 CHAPTER SIX INSPECTION The LRFD Bridge Construction Specifications (AASHTO 2010) provides excellent baseline recommendations for inspection requirements for the three main categories of pipe materials (Metal Pipes in Section 26, Reinforced Concrete Pipes in Section 27, and Thermoplastic Pipes in Section 30)
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From page 42... ...
40 Inspections during construction may include examination of: • Foundation material • Trench geometry and dimensions • Groundwater conditions • Bedding material • Line and grade • Assembly techniques • Structure backfill and compaction methods • Joint assembly and materials • Pipe deflection (during construction) • Damage to pipe coatings.
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From page 43... ...
41 vide quantitative information. Installation deflection testing performed by mandrel can typically identify only the first occurrence of excessive deflection, because a test mandrel cannot be pulled past sections failing the deflection criteria.
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From page 44... ...
42 Costs and Traffic Disruption, and 14-26, Culvert and Storm Drain System Inspection Manual -- are proposed to provide updated summaries of culvert inspection techniques. The interim draft literature review summary report for NCHRP (2010)
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