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Year - 2001

Accelerated Degradation of Recycled Plastic Piling in Aggressive Soils

<p>Fiber-reinforced polymer composites represent an alternative construction material without many of the performance disadvantages of traditional materials. The use of fiber-reinforced polymer as a pile material can eliminate deterioration problems of conventional piling materials in waterfront environments and aggressive soils. This paper presents the preliminary results of an experimental study conducted to assess the durability of piling made of recycled plastics in aggressive soils for long-term usage in civil infrastructure applications.

Methodological Alternatives for a Regional Freight Model

The main objective of this report is to conduct an assessment of the different freight
transportation modeling methodologies. The report begins with a definition of the main
objectives and scope of the regional freight model, followed by a discussion of the main freight
transportation issues in the NYMTC region, and the potential role of the regional freight model.
The main methodological alternatives are discussed next. This includes a brief description of the

Lane Occupancy Charges

During recent years innovative bidding and contracts (i.e., bonus/rental charge method, cost-plus-time method) have been used in Europe and more recently in the US. FHWA approved this method in 1985 on an experimental basis. To date, several states have used these contractual methods.

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