Hydraulics of Broad Crested Weirs
The paper presents a general, basic discussion of the title subject. It begins with a definition for the broad crested weir and analytical concepts. Subjects covered subsequently include...
Electronic Worksheet Applications in Hydrology and Hydraulics
Spreadsheet software packages are available for virtually all micro computers in use today. Although they are quite often thought of as business tools, their usefulness as engineering...
Design and Calibration of a 200-Foot Model Irrigation Border with a Computer Controlled Infiltrating Bed
A physical model of an irrigation border was constructed using a 200 ft long by 2. 5 ft wide tilting flume with a 3. 5 inch deep infiltrating gravel bed. The border was partitioned into...
IIHR's Data Acquisition Systems and Their Applications
The Iowa Institute of Hydraulic Research (IIHR) has recently experienced rapid growth in number of experimental studies, in number of buildings housing these models, and in the diversity...
Measurement of Hydraulic Conductivity Variation
For a confined, sandy aquifer, the dependence of the horizontal hydraulic conductivity on the vertical coordinate has been measured using single-well tracer injection/recovery experiments....
Centrifugal Abrasion-Resistant Pumps in Intermediate Length Pipeline Systems
The success of long-distance slurry pipelines is in many cases dependent on careful preparation of the solids prior to transport. Positive displacement pumps are employed. However, for...
Series Finished Water Pumping Facilities
The paper discusses studies and design of series finished water pumping facilities for the Potomac River Water Treatment Facilities. Detailed hydraulic studies were conducted which concluded...
Cazenovia Creek Model Data Acquisition System
The purpose of the model is to reproduce river ice breakup phenomena for optimizing the design of an ice control structure. The performance of the ice control structure during a simulated...
Data Acquisition and Control for Hydraulic Models
The Waterways Experiment Station is expanding the use of computer controlled data acquisition and control equipment on a variety of hydraulic models. These systems are presently being...
What Every Hydraulic Engineer Should Know About Technical Information
This paper traces the development of indexing and abstracting of scientific literature and discusses present-day concepts of current awareness, online literature searching and numeric...
A Unique Communication System for Aerial Ropeways
The basic principles of operation of a Double Reversible Aerial Tramway are introduced. A brief note is given explaining a safety circuit or survey current used on the haul rope, since...
Failure Information Needs in Civil Engineering
If we are to learn from failures of engineered facilities, failure information must be in a useful form, and it must reach those who can effect improved practice. This paper discusses,...
Construction Scheduling for Public Sector Projects
The paper presents some types of scheduling systems that are utilized in Postal Service projects as well as the advantages and disadvantages of each. It is suggested that schedule approval...
Control of the Design Process
Gilbert/Commonwealth, Inc. (G/C) was the architect-engineer for the original design of the Florida Power Corporation (FPC) Crystal River Nuclear Plant, Unit 3 (CR3) and has been involved...
Rockfill Compression Tests and Other Aspects of the Design of Miel I Dam
The Miel I Dam, a high concrete face rockfill dam, is one of the main structures designed for the Miel I Hydroelectric Project in Colombia. Selection of dam type was based on technical...
Security Issues for Microcomputers
This paper addresses microcomputer security in the context of a transportation agency. Schemes for physical protection of hardware, such as locking workstations and alarms, are examined...
Seattle Metro?A Transit Property's Experience with Microcomputers
The Municipality of Metropolitan Seattle's (Metro) first involvement with microcomputers started during the third quarter of 1981 when IBM announced their personal computer...
A Model for Evacuation of Transportation Networks
MASSVAC is a computer simulation model developed for the analysis and evaluation of evacuation plans for urban areas threatened by natural disasters. In addition to area demographic characteristics,...
Customizing a Payroll System for New Orelans
When the RTA recently assumed responsibility for the New Orleans area transit system from a private operator, there was no RTA in-house computer capability. While the previous owner agreed...
Subarea Transportation Planning on Micros
This paper describes the adaptation of the regionwide travel forecasting models developed for the Orlando Urban Area Transportation Study (OUATS) for application at the subregion and subarea...
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