Engineering Commons^™

Removal Of Hydrogen Sulfide From Ground Water In Central Florida, Thomas G. Lochrane

Retrospective Theses and Dissertations

The presence of hydrogen sulfide in a ground water source is noted by its rather obnoxious odor, similar to a "rotten egg". Concentrations as low as 0.05 ppm are noticeable, therefore, almost its entire removal is demanded prior to potable consumption. Hydrogen sulfide is formed primarily by the decomposition of organic matter in anaerobic conditions. Removal of this gas has been accomplished by means of aeration, detention, and chlorination over the years. The mechanisms behind each of these processes are complex and discussed in this paper. During the course of this investigation, a literature survey concerning the mature and sources …

Test Sites For Farm Dams, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

A short article outlining procedures for testing potential dam sites.

Design Standards For Farm Surface Water Supplies, J L. Frith

Journal of the Department of Agriculture, Western Australia, Series 4

Design is usually concerned with getting adequate return from limited recources. Farm dams which dry up represent dam failure. Less seriously, so too do dams which, although not drying out, never fill; they waste a recource.

A Fluid Control System For The University Of Missouri--Rolla Nuclear Reactor, Billy Roger Mcpherson

Masters Theses

"Solid control rods and their movement through a reactor core present problems inherent in any moving machinery. The problems of binding, wear, and noise have to be dealt with in the usage of a solid control rod system. Therefore, an alternate system that eliminates or minimizes these problems would lower maintenance costs, extend the lifetime of the control system, and produce safer operating conditions.

This thesis presents a control system that has no moving parts inside the reactor core. The system is based upon a neutron-absorbing fluid containe��d in hollow tubes in the reactor core. The fluid level is operated …

Thermal Response Of A Composite Bridge Structure, David John Wisch

Masters Theses

"This experimental investigation was conducted as an intermediate study to verify and substantiate a prior theoretical study for possible utilization toward development of rational bridge design criteria. The objectives of the study were to construct and instrument a 15 ft - 15 ft (4.6 m- 4.6 m) two-span, composite design, laboratory structure, to subject the structure to thermal loading, and to correlate the experimental temperature distributions, strain distributions, and deflections with those obtained from the theoretical study. Infrared heat lamps were used to obtain steady-state thermal loading.

Three theoretical cases were considered for strain calculations: a) both the slab and …

Superior Bluegrasses For Roadside Turf : Interim Report, William Hugh Daniel, Harold L. Michael

JTRP Technical Reports

No abstract provided.

Traffic Speed Report No. 99 : Interim Report, Graham S. Toft, George K. Stafford

JTRP Technical Reports

No abstract provided.

Traffic Speed Report No. 100 : Interim Report, Graham S. Toft, George K. Stafford

JTRP Technical Reports

No abstract provided.

A Laboratory Evaluation Of The Influence Of Crushed Stone, Aggregate Top Size And Binder Type On Aetm Properties, Bradley V. Saxton

JTRP Technical Reports

No abstract provided.

Frost Heaving Rate Of Silty Soils As A Function Of Pore Size Distribution : Interim Report, Michael Allen Reed

JTRP Technical Reports

No abstract provided.

Bridge Vibration Studies : Interim Report, Ali Shahabadi

JTRP Technical Reports

No abstract provided.

Application Of The Utcs-1 Network Simulation Model To Select Optimal Signal Timings In A Multi-Linear Street System : Interim Report, Raymond N. Carini

JTRP Technical Reports

No abstract provided.

Computerized Slope Stability Analysis For Indiana Highways, Vol. Ii: Stabl2 Program, Eva Boutrup

JTRP Technical Reports

No abstract provided.

Stress-Deformation And Strength Characteristics Of A Compacted Shale : Interim Report, Russell Aubrey Abeyesekera

JTRP Technical Reports

No abstract provided.

Examination Of The Variability Of The Soaked Strength Of A Laboratory Compacted Clay : Interim Report, James C. Scott

JTRP Technical Reports

No abstract provided.

Studies On Cement Paste And Concrete Both Made With Low Porosity Cement, Carlos Gomez-Toledo

JTRP Technical Reports

No abstract provided.

Computerized Slope Stability Analysis For Indiana Highways, Vol. I, Eva Boutrup

JTRP Technical Reports

No abstract provided.

The Effect Of Pavement Skid Resistance On Wet Pavement Accidents In Indiana, Jonathan Lenard Levy

JTRP Technical Reports

No abstract provided.

Nondestructive Testing And Evaluation Of Flexible Highway Pavements, Milton Edward Harr, George Y. Baladi

JTRP Technical Reports

No abstract provided.

A Low-Cost Maintenance Program For Indiana Roadsides : Final Summary Report, D. James Morré

JTRP Technical Reports

No abstract provided.

Traffic Speed Report No. 101 : Interim Report, Graham S. Toft, George K. Stafford

JTRP Technical Reports

No abstract provided.

Traffic Speed Report No. 103 : Interim Report, James Robert Mekemson, George K. Stafford

JTRP Technical Reports

No abstract provided.

The Al2o3‐Sio2‐Zro2 Liquidus Surface: A Discussion, Charles A. Sorrell

Materials Science and Engineering Faculty Research & Creative Works

No abstract provided.

Suggested Chemistry Of Zinc Oxychloride Cements, Charles A. Sorrell

Materials Science and Engineering Faculty Research & Creative Works

Solutions of ZnCl₂ were prepared from ZnCl₂·nH₂O and by reaction of zinc metal with HCl. Specific gravities and pH values were determined as a function of composition. A ternary phase, 4ZnO·ZnCl₂·5H₂O, was precipitated when the ZnCl₂ solutions were diluted to a pH of 5.48 ± 0.05. Mixtures of ZnO with ZnCl, and HCI solutions were equilibrated in sealed containers and analyzed by X‐ray diffraction. The resulting phase diagram shows 2 ternary phases, 4ZnO·ZnCl₂·5H₂O (4·1·5) and ZnO·ZnCl₂·2H₂O (1.1.2), both of which are soluble …

Low Order Correction For Subsurface Contributions In Diffusion Experiments, D. Powers, Manfred Wuttig

Materials Science and Engineering Faculty Research & Creative Works

No abstract provided.

Subsolidus Equilibria And Stabilization Of Tetragonal Zro2 In The System Zro2‐Al2o3‐Sio2, Charles A. Sorrell

Materials Science and Engineering Faculty Research & Creative Works

The irreversible reaction between zircon and alumina to form mullite and zirconia was observed to proceed very slowly at 1480°C, confirming the existence of a stable join between mullite and zirconia in addition to the join between mullite and zircon. Attempts to determine equilibrium assemblages in powder samples of several combinations of the constituents at 1300° and 1400°C were unsuccessful. Metastable tetragonal ZrO₂ was observed in fired powder samples containing kaolinite, in fired zircon‐alumina samples, and in calcined gels prepared from zirconyl nitrate, aluminum nitrate, and colloidal silica in water. Tetragonal ZrO₂ was the dominant crystalline phase in …

Intraframe Sequential Picture Coding, John A. Stuller, Bernd Kurz

Electrical and Computer Engineering Faculty Research & Creative Works

This Paper Generalizes Time-Discrete Autoregressive Source Coding Results of Rate-Distortion Theory to Two Dimensions. a 2-D Discrete Autoregressive Source is Defined and Shown to Produce a 2-D Wide-Sense Markovian Field. the Rate Distortion Function of the Source is Then Obtained under Assumption of Gaussian Field Statistics and a Squared Error Fidelity Criterion. a Procedure for Generating an Ensemble of 2-D Codewords Whose Statistics Satisfy the Variational Equations for R(D) is Given. These 2-D Codewords Are, by Space-Time Mappings, 1-D Tree Codes, and It is Noted that a Tree Coding Theorem of Jelinek, Berger, Davis and Hellman Applies. the Problem of …

Field Investigation Of County Road Bases And Subgrades, D. G. Shurig, Jean E. Hittle, E. J. Yoder, W H. Goetz

Indiana Local Technical Assistance Program (LTAP) Publications

This bulletin focuses on the investigation, sampling, and testing of in-place wearing surface materials, in-place base materials, and in-place subgrade materials in advance of paving. This is especially important the first time the road is to be blacktopped. However, the investigation and testing methods suggested herein are equally applicable to existing blacktop pavements needing reconstruction. The test methods focus on two quick field tests that have been developed through research to measure equivalent CBR values. CBR is a measure of the load-carrying capacity of base or subgrade materials.

The methods and procedures set forth in this bulletin should go far …

Traffic Speed Report No. 98 : Interim Report, Graham S. Toft, George K. Stafford

JTRP Technical Reports

No abstract provided.

Review Report For Water Resources Development Missouri River South Dakota, Nebraska, North Dakota, Montana, Volume 3 Of 3

United States Army Corps of Engineers, Omaha District

Appendix 2, Pertinent Correspondence Letters From:

Bureau of Outdoor Recreation, Bureau of Reclamation, National Park Service, Bureau of Indian Affairs, Federal Power Commission, Department of Housing & Urban Development, Department of Health, Education & Welfare, Bureau of Mines, Bureau of Land Management, United States Coast Guard, Soil Conservation Service, Advisory Council on Historic Preservation, Energy Research and Development Administration, Missouri River Basin Commission, Fish and Wildlife Service, Siouxland Interstate Metropolitan Planning Council, Montana Office of Budget and Program Planning, Montana Department of Natural Resources and Conservation, Montana Department of Fish and Game, Governor of Montana, Glasgow Area Chamber of Commerce …