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  • Storm runoff response from roadbuilding and logging on small watersheds in the Oregon Coast Range

    Creator:
    Hsieh, Frederic Shu-kong
    Abstract:
    The effects of roadbuilding, logging and burning upon stream runoff responses to individual storms are evaluated for the Alsea experimental watersheds, located in the Oregon Coast Range, The parameters analyzed are peak discharge, induced peak discharge, time-to-peak, and storm-runoff volume. The volume parameter is further sub-divided into total, quick, delayed,...
    Resource Type:
    Masters Thesis
    Full Text:
    April 24, 1970 (Date)(Major) Title: STORM RUNOFF RESPONSE FROM ROADBUILDING AND LOGGING ON SMALL

  • Economic analysis for a toll facility

    Creator:
    Koh, Kwang Sun
    Abstract:
    This thesis presents an economic analysis for a proposed toll road which is to separate different types of traffic such as pedestrians, slow speed vehicles and high speed motor vehicles, and to divert through traffic from the local roads. The use of a toll road usually provides significant savings in...
    Resource Type:
    Masters Thesis
    Full Text:
    partial fulfillment of the requirements for the degree of Master of Science June 1970 APPROVED

  • The static and dynamic analysis of discretely represented moorings and cables by numerical means

    Creator:
    Dominguez, Richard Frank
    Abstract:
    Computer oriented techniques and procedures are presented for the analysis of single and multiple cable systems. Application is made to a two-point mooring system influenced by surface and subsurface hydrodynamic loading. The effects of the various parameters are presented and the numerical method is compared to exact solutions obtained from...
    Resource Type:
    Dissertation
    Full Text:
    DOCTOR OF PHILOSOPHY (Name) in CIVIL ENGINEERING presented on (Degree) August 10, 1970 (Major) (Date

  • The use of polymers for better settling in domestic waste treatment systems

    Creator:
    Houck, George Campbell
    Abstract:
    The author presents a "state of the art" of the use of polymers for better settling in domestic waste treatment and evaluates the published research in the field. Polymers have only recently been used to obtain better settling in domestic waste treatment. Due to the number of polymer types available...
    Resource Type:
    Masters Thesis
    Full Text:
    Schdol Date thesis is presented May 22, 1970 Typed by Barbara Glenn for George Campbell Houck

  • Pollutants leached from selected species of wood in log storage waters

    Creator:
    Graham, John LeRoy
    Abstract:
    A study was conducted to determine the quantity and character of substances leached from logs floating in water, and the rate of leaching of these substances. The species of wood studied were Douglas fir and ponderosa pine. The research was carried out in a controlled laboratory environment with log sections...
    Resource Type:
    Masters Thesis
    Full Text:
    the degree of Master of Science June 1970 APPROVED: Pro sor of Civi Engineering in charge of

  • Modeling estuary pollution by computer simulation

    Creator:
    Grenney, William J.
    Abstract:
    A digital computer model was developed to simulate the time and space distribution of a dissolved pollutant in an estuary. The program is basically a one-dimensional finite-difference model, but two dimensions can be represented by attaching together several one-dimensional channels. The influence of convection, dispersion and decay are included in...
    Resource Type:
    Masters Thesis
    Full Text:
    . average daily water temperatures. The greatest amount of variance is accounted for by the annual harmonic

  • Effect of deposits in Columbia Slough on algae growth in Smith and Bybee lakes

    Creator:
    Sobolewski, William Joseph
    Abstract:
    Currently, the Port of Portland is developing a 9, 410 acre area at the confluence of the Columbia and Willamette Rivers in Multnomah County, Oregon. This area will be developed for industrial, commercial, and recreational use. The recreational development in the North Portland Peninsula area, including the Rivergate Industrial District,...
    Resource Type:
    Masters Thesis
    Full Text:
    including Hayden-Tomahawk Island. Their report entitled Rivergate and the North Portland Peninsula was pre

  • Numerical method for calculating construction pore pressures in embankments

    Creator:
    Steward, John Erwin
    Abstract:
    A computer program was developed for estimating construction pore pressures in embankments without drainage at any location in the embankment at any time during construction. This program incorporated a modification of the Hilf-Brantz method of pore pressure calculation and a finite element method of stress computation. Previous methods of calculating...
    Resource Type:
    Masters Thesis
    Full Text:
    asumptions will be dis- cussed in this report. The finite element method consists of four basic steps:(14

  • A determination of ultimate pile capacity in clayey silt

    Creator:
    Thompson, Duane Melvin
    Abstract:
    Predetermining the ultimate capacity of piles driven into purely cohesive soils and purely cohesionless soils involves, respectively, the consideration of soil shear strength in a completely undrained and a completely drained condition. For the intermediate cases concerning soils that possess both cohesion and internal friction (silts, clayey silts, sandy clays,...
    Resource Type:
    Masters Thesis
    Full Text:
    University in partial fulfillment of the requirements for the degree of Master of Science June 1970

  • Air photo analysis of waste dispersion from ocean outfalls

    Creator:
    James, Wesley Pierce
    Abstract:
    Aerial photography provides a method of analyzing dispersion of wastes that are discharged into the ocean. This method is more comprehensive than conventional boat sampling in dispersion studies. The photographic technique permits waste concentrations to be measured throughout the plume in one instant; thereby allowing the diffusion analysis to be...
    Resource Type:
    Dissertation
    Full Text:
    of Philosophy June 1970 APPROVED: rofessor of'Thvfl Engin'ering in charge of major Head of