Class A Type 2 corrugated sheet steel guardrail
reviewed before the start of the experimental
beams. Samples of these prototypes were then lab-
work in this project. These properties and the ref-
oratory tested. This study tested commercially
erence literature are cited in Appendix A. Chap-
available recycled plastic composite (RPC), a tim-
ter 2 of this report specifically discusses the gen-
ber-like product, for its mechanical properties, to
eral properties of composites. The design,
investigate the feasibility of its use as guardrail
development, and testing of each element of this
posts and blockouts, commercially available glass
investigation are discussed in subsequent chap-
FRP rebars for their long-term creep behavior over
ters. Chapter 3 deals with the design and devel-
a wide temperature range, and design concepts
opment of the FRP composite W-beam. Chapter
of FRP breakaway couplers and crushable plastic
4 discusses the mechanical tests performed on the
cushions (CPC) for roadside signs and utility
RPC. A study of the creep properties of FRP rebars
posts. This report describes the results of these
is documented in Chapter 5. Chapters 6 and 7
investigations.
summarize the concepts of the FRP breakaway
coupler and the crushable plastic cushion, respec-
Before the feasibility of using FRP in any struc-
ture for highway construction is considered, it is
tively. Chapter 8 gives conclusions and general
essential to understand the basic properties of the
remarks on the use of FRP composites for high-
way safety structures.
FRP composite materials available in the market.
Composite properties reported in literature were
2
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