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Modeling Multiple Spur Schemes to Control Bank Erosion
A natural consequence of the meandering tendencies characteristic of all streams, is streambank erosion. The problem has taken on particular interest recently, focusing on erosion problems...

Riprap Sizing-Four Methods
A comparison summary is provided for sizing of riprap by four methods: Isbash, Froude, Tractive Force - Logarithmic Velocity Profile (TFL), and Tractive Force - Power Velocity Profile...

Modeling of a Multifunctional Hydraulic Structure
A 1:12 scale Froude model of a hydraulic control structure in the Rochester Combined Sewer Overflow Abatement Program (RCSOAP) was constructed and tested to optimize the design requirements...

Controlling River Ice to Alleviate Ice Jam Flooding
Many communities affected by ice jam flooding have accepted the event as unpreventable. Others have approached their problem as one of open channel flow and implemented standard projects...

Salmon River Ice Jams
The ice conditions on the river during the freeze-up period and the simple analytical model used to predict the advance of the ice cover leading edge are documented. Ice cover thicknesses...

Nebraska's Shrinking Platte River Channel: Biological Aspects and Implications
Since the completion of major water projects along Nebraska's Platte River system in 1941, vegetative encroachment and channel narrowing have substantially altered the central...

Nebraska's Shrinking Platte River Channel: Hydrologic Aspects and Implications
Biologists have proposed two hypotheses to explain recent channel narrowing and vegetative growth in flood plain habitat areas along the Platte River in Nebraska. One group contends, without...

Modeling Pool and Riffle Sequences in Alluvial Channels
A one-dimensional mathematical model has been developed to predict the hydraulic characteristics of alluvial channels under low flow conditions. For a given steady discharge, channel geometry,...

Kinematic Shock: A Sensitivity Analysis
A series of numerical experiments is performed to determine the flow and channel characteristics that are most conducive to kinematic wave steepening and associated shock phenomena. A...

Alluvial Fans: Novel Flood Challenge
After disastrous floods hit Cabazon, Calif., engineers faced the challenge of balancing concerns about protecting property and life (by limiting or prohibiting construction) against the...

Dredging and Dredged Material Disposal
Waterborne commerce is a major factor in the economy of many countries. Because waterborne commerce depends on the ability of nations to provide adequate navigation channels to transport...

Measurement of Hydrographic Parameters in Large Sand-Bed Streams from Boats
This report concentrates on the state-of-the-art in the field documentation of the existing channel geometry, plus the concurrent stream flow and sediment transport characteristics, prevailing...

Flood Routing on a Small Computer
A BASIC program is developed to route flood discharge through a system of river channels and reservoirs. The brevity of this program and the use of an overlaid computational matrix make...

Ditch Flow Program
Seventeenth in the CE Computing BASICS series, the program in this article is for simplifying drainage calculations. The program will provide critical and normal velocities, depths and...

Record Concrete Box Girder Spans Houston Ship Channel
The Houston Ship Channel Bridge is an American advancement of the cast in place, post-tensioned, segmentally constructed, concrete box girder design. In spite of the complex and unique...

Preventing Another Sunshine Skyway Bridge Disaster
America will not soon forget the tragic collapse of the Sunshine Skyway Bridge into Tampa Bay almost two years ago. That accident was a costly lesson in the crucial importance of protecting...

Classic Papers in Hydraulics
Fourteen papers representing basic contributions which made possible rapid advances in analytical techniques in hydraulic engineering are presented. The papers reflect state-of-the-art-...

Automated Hydrography for Channel Dredging
After studying both non-line of sight and microwave systems of over-water distance measurement, one of the latter was selected for checking dredged channel depth on the Delaware River....

Robert Byrne Portrays the Civil Engineer as the Hero
Editor, humorist, novelist, and pool player all combine to describe ASCE member Robert Byrne. With three books already to his credit, this multi-talented civil engineer has recently published...

Concrete Replaces Steel in Offshore Coal-Loading Terminal
An open water coal-loading terminal off the east coast of Australia berths 100,000 dwt coal ships. The concrete caissons for the berth were constructed within a drydock and later a breakwater,...

 

 

 

 

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