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Transportation : Hydraulics and Hydrology
NCHRP Web-Only Document 181:Evaluation of Bridge-Scour Research: Abutment and Contraction Scour Processes and Prediction

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NCHRP Report 696: Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content

TRB's National Cooperative Highway Research Program (NCHRP) Report 696: Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content provides potential specifications for corrugated drainage pipe manufactured with recycled high-density polyethylene (HDPE). The report includes proposed draft specifications for recycled HDPE, ...

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NCHRP Report 682: Scour at Wide Piers and Long Skewed Piers

TRB's National Cooperative Highway Research Program (NCHRP) Report 682: Scour at Wide Piers and Long Skewed Piers explores recommendations for a predictive equation for equilibrium local scour and a potential equation for predicting scour evolution rates at wide piers and ...

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ACRP Research Results Digest 9: Alternative Aircraft and Pavement Deicers and Anti-Icing Formulations with Improved Environmental Characteristics

TRB's Airport Cooperative Research Program (ACRP) Research Results Digest 9: Alternative Aircraft and Pavement Deicers and Anti-Icing Formulations with Improved Environmental Characteristics explores the aquatic toxicity and biological oxygen demand state of the art, components, and promising alternative formulations of ...

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NCHRP Synthesis 357: Use of Geophysics for Transportation Projects

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 357: Use of Geophysics for Transportation Projects examines the state of the practice regarding the use of geophysics for transportation projects. The report focuses on who is using geophysics and why, which ...

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NCHRP Report 556: Design and Construction Guidelines for Geosynthetic-Reinforced Soil Bridge Abutments with a Flexible Facing

TRB's National Cooperative Highway Research Program (NCHRP) Report 556: Design and Construction Guidelines for Geosynthetic-Reinforced Soil Bridge Abutments with a Flexible Facing, presents the findings of research undertaken to develop a rational design method and construction guidelines for using geosynthetic-reinforced ...

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NCHRP Report 544: Environmentally Sensitive Channel- and Bank-Protection Measures

TRB's National Cooperative Highway Research Program (NCHRP) Report 544: Environmentally Sensitive Channel- and Bank-Protection Measures examines environmentally sensitive channel- and bank-protection measures and includes recommended design guidelines for their application and a selection system for helping to determine the most ...

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NCHRP Report 521: Identification of Research Needs Related to Highway Runoff Management

TRB's National Cooperative Highway Research Program (NCHRP) Report 521: Identification of Research Needs Related to Highway Runoff Management summarizes significant stormwater management practices and research efforts, and it identifies the most pressing gaps and needs in the current state of ...

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NCHRP Report 516: Pier and Contraction Scour in Cohesive Soils

TRB's National Cooperative Highway Research Program (NCHRP) Report 516: Pier and Contraction Scour in Cohesive Soils examines methods for predicting the extent of complex pier and contraction scour in cohesive soils. ...

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NCHRP Report 529: Guideline and Recommended Standard for Geofoam Applications in Highway Embankments

TRB National Cooperative Highway Research Program (NCHRP) Report 529: Guideline and Recommended Standard for Geofoam Applications in Highway Embankments includes a design guideline and recommended standard for geofoam applications in the design and construction of highway embankments. ...

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