Design of Riprap Stilling Basin for Overhanging Pipe
The rock rip-rap basin is the most common and economical method of handling the problem of scour at a pipe outlet. The advantage of the method is speed of construction, absence of the...
A Study of Lateral Bed Slopes Developed at Bend
A study was conducted to compare seven actual cross section profiles of Philip Bayou Realignment with the lateral bed slopes estimated from the model derived by Ikeda titled `Sediment...
Emergency Protection, San Luis Rey River Aqueducts
A calibrated hydraulic computer model (FLUVIAL-12) was used to predict flood damage potential at the two San Diego Aqueduct river crossings in northern San Diego County. Model results...
Numerical Solution of Transient Closed-Conduit Flow Equations by the Method of Lines Along Characteristics
The method of characteristics has long been considered as a natural technique for solving transient closed-conduit problems. In this paper, by using the concept of the method of lines,...
Velocity Downstream of a Submerged Pipe Outlet
The velocity downstream of a submerged pipe outlet was examined in time and space. A model study was performed to examine the influence of boundary roughness changes on the velocity dissipation....
Laplace Valve Stroking to Control Water Hammer
The method of Laplace valve stroking to control water hammer is presented. Attention is directed to the most frequently encountered of the simple systems: a single pipe originating at...
Friction Loss Equations for Hydropower Facilities
Many water suppliers are pursuing economic benefits from water supply and distribution systems through development of hydropower facilities on pipelines. Excessive pressure head that used...
Bridge-Scour Analysis Using the
A program was developed to extract hydraulic information required for bridge-scour computations, from the Water-Surface Profile computation model (WSPRO). The program is written in compiled...
Measurement of Bridge Scour at the SR-32 Crossing of the Sacramento River at Hamilton City, California, 1987-92
A study of the State Route 32 crossing of the Sacramento River near Hamilton City, California, is being made to determine those channel and bridge factors that contribute to scour at the...
Ballast Water Treatment Effluent Dispersion Studies
Treated tanker ballast water is discharged form Alyeska Pipeline Service Company's ballast water treatment facility through a multiport diffuser into Port Valdez, Alaska. The discharge...
The Definition of a Short Composite Column
A `short' column in composite construction is defined as one which can be designed for its cross-section strength alone without the need to consider stability effects. An extensive study...
Microtunneling: Overview and Case Study
Microtunneling is defined in the United States as a remotely controlled, laser guided pipe jacking process, which does not require personnel entry. This paper describes the components...
The Pipe/Soil Stiffness Ratio Variable
This paper reviews the factors which affect the reactions and defines performance limitations of buried flexible plastic pipe as a function of load-induced strains and deflections. The...
Ovality in Pipe Rehabilitation Design
Pipes in need of structural rehabilitation often have longitudinal cracks (at the crown and elsewhere) and exhibit significant ovality (5-10%). When these pipes are lined with current...
Trenchless Diversity Fuels Growth of Construction Activities
This paper describes a variety of trenchless technology methods of reconstructing America's decaying pipeline infrastructure by using minimum and /or 'no-dig processes'. The decay of our...
Depth of Cover Surveys for Waterway Crossings
The majority of pipelines cross at least one waterway of some type, especially the interstate lines which from start to end cross numerous bayous, canals and major rivers. These waterways...
Real World Applications of Pipeline Leak Detection
This paper covers various leak detection methodologies and how they are integrated into the Williams Pipe Line system. Special emphasis is given to the dynamic model method of leak detection...
Recent Developments in Safety Research from the Gas Research Institute
Recent developments in Safety Research, as supported by the Gas Research Institute (GRI), have consisted primarily of hardware-oriented applications to various gas industry safety operations....
Concrete Pipe for Sanitary Sewers Corrosion Protection Update
Significant advances have been made in the last decade in the area of sanitary sewer design techniques. Some of the most important advances have been in the prediction and prevention of...
Installing a Raw Water Line by Microtunneling
Construction began in 1991 on a new water treatment plan for the Towns of Cary and Apex, with B. Everett Jordan Lake as a water source. Installation of two 1,400 mm raw water lines approximately...
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