NCHRP Report 682:

Scour at Wide Piers and Long Skewed Piers

Status: Not for Sale

Size: 65 pages, 8.5 x 11

Publication Year:2011

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Authors:
Bruce Melville; D Max Sheppard; Huseyin Demir; Transportation Research Board
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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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Table of Contents
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Front Matter	i-ix
Summary	1-3	(skim)
Project Description	4-4	(skim)
Report Organization	5-5	(skim)
Chapter 2 - Research Approach	6-7	(skim)
Equilibrium Local Scour Data	8-8	(skim)
Assessment of Data Quality	9-13	(skim)
Local Scour Evolution Data	14-15	(skim)
Introduction	16-18	(skim)
Initial Screening of Equilibrium Scour Predictive Equations	19-23	(skim)
Modifications to Equilibrium Scour Predictive Methods	24-25	(skim)
Evaluation of Equilibrium Scour Predictive Methods	26-36	(skim)
Introduction	37-39	(skim)
Modifications of Scour Evolution Predictive Methods	40-40	(skim)
Final Evaluation of Scour Evolution Predictive Methods	41-44	(skim)
Chapter 6 - Scour at Piers Skewed to the Flow	45-47	(skim)
Summary	48-49	(skim)
Recommendations for Future Research	50-50	(skim)
References	51-52	(skim)
List of Symbols	53-54	(skim)
Appendices	55-55	(skim)
Abbreviations used without definitions in TRB publications	56-56	(skim)

Description

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 skewed piers.

The equations are designed to help provide better estimates of local scour and scour evolution rates than those predicted by currently available equations. Such estimates have the potential to reduce over-predictions and the unwarranted need for countermeasures.

Appendixes A through E for NCHRP Report 682 provide further elaboration on the work performed in this project. The appendixes are only available online.

NCHRP Report 682:

Scour at Wide Piers and Long Skewed Piers

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