National Academies Press: OpenBook

Use of Fiber-Reinforced Polymers in Highway Infrastructure (2017)

Chapter: Chapter Seven - Constructability

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Page 122
Suggested Citation:"Chapter Seven - Constructability." National Academies of Sciences, Engineering, and Medicine. 2017. Use of Fiber-Reinforced Polymers in Highway Infrastructure. Washington, DC: The National Academies Press. doi: 10.17226/24888.
Page 122

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122 chapter seven ConstruCtability When FRP materials are used for highway infrastructure, there are many things to consider. Unlike the case of conventional materials such as concrete and steel, contractors may not have sufficient information or knowledge of FRP-based construction. The following is a summary of constructability items based on NCHRP Report 609: Recommended Construction Specifications and Process Control Manual for Repair and Retrofit of Concrete Structures Using Bonded FRP Composites (Mirmiran et al. 2008): • Proper scheduling: overtime, double shift, and high demand for machinery. • Compatibility with surrounding environments: challenging weather (e.g., flood or hurricane). • Operation sequence: identification of operational obstacles delaying construction tasks. • Access to construction sites: right-of-way, contractor’s work space, and material storage. • Conflict with the work of others: traffic interference, utility, or other activities occurring in the vicinity of the construction site. • Long-lead products: a plan for securing unusual materials and equipment. • Contract documents: a review of potential ambiguities and inconsistencies; confirmation of erection and construction sequencing. • Construction drawings: confirmation of dimensions, tolerances, legibility, and conformance with specifications. • Community impacts: noise, dust, and unsafe materials. • Government regulations: compliance with established regulations and policies to safeguard the public and others related to the project. • Post-construction accessibility: a review of design documents to check the availability of post- construction activities, such as inspection and maintenance.

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TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 512: Use of Fiber-Reinforced Polymers in Highway Infrastructure documents the current state of the practice in the use of fiber-reinforced polymers (FRPs) in highway infrastructure. The synthesis identifies FRP applications, current research, barriers to more widespread use, and research needs. The objectives of the study are to synthesize published literature on FRP materials in highway infrastructure and to establish the state of current practice of FRP applications in transportation agencies.

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