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Dive into the research topics where D. Max Sheppard is active.

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Featured researches published by D. Max Sheppard.


Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000 | 2000

Scour at Wide Bridge Piers

J. Sterling Jones; D. Max Sheppard

Most empirical, local scour prediction equations over predict scour depths at structures that are wide compared to the water depths where they are located. This paper discusses various researchers attempts to deal with this problem. The methods and equations used by several Western European Countries (obtained during the FHWA, 1998 European Scanning Tour On Bridge Scour) are included along with work done in the United States.


Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000 | 2000

Method for Obtaining Prototype Local Scour Depths from Physical Model Tests

D. Max Sheppard; Athanasios Pritsivelis; Tom Glasser

Physical models are used in many areas of engineering to obtain information about prototype situations. Ideally, the important dimensionless groups for the problem being examined are made the same for the model and prototype. When this is possible there is no question about the relationship between the quantities being measured in the model and their corresponding values in the prototype. There are, however, situations where all of the important parameters cannot be maintained constant and this creates a problem when estimating values for the prototype from measured values in the model. In modeling local scour at bridge piers such a problem is encountered when the prototype sediment is sufficiently small that it cannot be scaled using the geometric scale for the model. This paper presents a method for scaling measured local scour depths in physical model tests to prototype conditions based on scour prediction equations developed by the lead author. The method is demonstrated using data from laboratory tests conducted with circular piles ranging in diameter from 0.114 m to 0.914 m.


Water resources engineering | 1999

Scour at Complex Pier Geometries

D. Max Sheppard; J. Sterling Jones


Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000 | 2000

Local Scour at Complex Pier Geometries

J. Sterling Jones; D. Max Sheppard


Water resources engineering | 1995

Local Scour Near Multiple Pile Piers in Steady Currents

D. Max Sheppard; Gang Zhao; Thomas H. Copps


NCHRP Web Document | 2006

Criteria for Selecting Hydraulic Models

Mark S. Gosselin; D. Max Sheppard; Shawn McLemore


Stream Stability and Scour at Highway Bridges: Compendium of Stream Stability and Scour Papers Presented at Conferences Sponsored by the Water Resources Engineering (Hydraulics) Division of the American Society of Civil Engineers | 1999

A Review of the Time Rate of Local Scour Research

Mark S. Gosselin; D. Max Sheppard


International Foundation Congress and Equipment Expo 2009 | 2009

Local Scour at Bridge Piers with Complex Geometries

D. Max Sheppard; Tom Glasser


Water resources engineering | 1999

Sensitivity of Currents and Water Elevations in Tidal Waters to Storm Surge Parameters

D. Max Sheppard; Athanasios Pritsivelis


Water resources engineering | 1995

Time Rate of Local Scour

Mark S. Gosselin; D. Max Sheppard

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