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Articles 10321 - 10350 of 11788

Full-Text Articles in Engineering

Selection And Use Of Fly Ash For Highway Concrete, Sidney Diamond Jan 1985

Selection And Use Of Fly Ash For Highway Concrete, Sidney Diamond

JTRP Technical Reports

No abstract provided.


Energy Conservation And Cost Savings Related To Highway Maintenance: Executive Summary, Mitsuru Saito, Essam Abdel-Aziz Sharaf, Kumares C. Sinha Jan 1985

Energy Conservation And Cost Savings Related To Highway Maintenance: Executive Summary, Mitsuru Saito, Essam Abdel-Aziz Sharaf, Kumares C. Sinha

JTRP Technical Reports

No abstract provided.


Absorption And Absorptivity Of Aggregates As Indicators Of Frost Durability : Informational Report, Jack Duvall Hunter Jan 1985

Absorption And Absorptivity Of Aggregates As Indicators Of Frost Durability : Informational Report, Jack Duvall Hunter

JTRP Technical Reports

No abstract provided.


A Routine Maintenance And Pavement Performance Relationship Model For Highways : Informational Report, Tien Fang Fwa, Kumares C. Sinha Jan 1985

A Routine Maintenance And Pavement Performance Relationship Model For Highways : Informational Report, Tien Fang Fwa, Kumares C. Sinha

JTRP Technical Reports

No abstract provided.


Energy Conservation And Cost Savings Related To Highway Maintenance, Mitsuru Saito, Essam Abdel-Aziz Sharaf, Kumares C. Sinha Jan 1985

Energy Conservation And Cost Savings Related To Highway Maintenance, Mitsuru Saito, Essam Abdel-Aziz Sharaf, Kumares C. Sinha

JTRP Technical Reports

No abstract provided.


Development Of Apparatus For Constant-Hydraulic-Gradient And Constant-Rate-Of-Strain Consolidation Tests, Jack F. Geerlings Jan 1985

Development Of Apparatus For Constant-Hydraulic-Gradient And Constant-Rate-Of-Strain Consolidation Tests, Jack F. Geerlings

Masters Theses

"A back pressure type consolidometer manufactured by Anteus Laboratory Equipment Company is modified to perform either constant hydraulic gradient or constant rate of strain consolidation tests. The modification of the consolidometer and its instrumentation are described. Computer software is developed for the purpose of apparatus control and for test data acquisition and analysis.

Constant hydraulic gradient and constant rate of strain consolidation tests are performed on samples consolidated from a slurry in the laboratory. Results of these tests are compared with incremental consolidation tests performed with an oedometer.

The modified apparatus was found to be suitable for use in both …


A Theoretical Study Of Antecedent Soil Moisture As It Relates To The Rainfall-Runoff Relationship, Karen Sue Angert Jan 1985

A Theoretical Study Of Antecedent Soil Moisture As It Relates To The Rainfall-Runoff Relationship, Karen Sue Angert

Masters Theses

"This paper addresses the feasibility of using antecedent soil moisture as a tool for predicting the extractions from rainfall due to the infiltration process by solving the one-dimensional equation for saturated- unsaturated flow through porous media. Soil moisture characteristics in the form of empirical equations were used to incorporate the hysteretic behavior of the soil-water relationships into the model. Two sets of parameters were developed to be representative of a silty sand and a silty fine sand.

Extractions as infiltration from a given storm hyetograph and the total volume of direct runoff were computed for different initial moisture states. When …


The Effect Of The Degree Of Saturation On The Permeability Of A Compacted Clay To Organic Permeants, Mark Alan Harms Jan 1985

The Effect Of The Degree Of Saturation On The Permeability Of A Compacted Clay To Organic Permeants, Mark Alan Harms

Masters Theses

"Relationships for permeability of kaolinite versus degree of saturation and permeability versus flow are developed for 0.005 N calcium sulphate, xylene and aniline permeants using the triaxial flexible wall permeameter. The clay was statically compacted at degrees of saturation of 50%, 75% and 100%. A gradient of 277 was used for the permeability tests.

The initial degree of saturation was inversely related to the permeability of the clay. Saturated clay samples were found to be virtually impervious to aniline and xylene. As the degree of saturation decreased, the permeability increased with the initial volume of flow equivalent to the volume …


Speed Report No. 118 : Interim Report, C. J. Oliva, Robert M. Shanteau, George K. Stafford, Leroy Gray Jan 1985

Speed Report No. 118 : Interim Report, C. J. Oliva, Robert M. Shanteau, George K. Stafford, Leroy Gray

JTRP Technical Reports

No abstract provided.


Embark-Telar-Surfactant-2, 4-D Combination For Vegetation Management Along Indiana Roadsides : Interim Summary Report, D. James Morré Jan 1985

Embark-Telar-Surfactant-2, 4-D Combination For Vegetation Management Along Indiana Roadsides : Interim Summary Report, D. James Morré

JTRP Technical Reports

No abstract provided.


Development Of An Energy Audit Manual For Indiana Department Of Highway Buildings, Brett Michael Partridge Jan 1985

Development Of An Energy Audit Manual For Indiana Department Of Highway Buildings, Brett Michael Partridge

JTRP Technical Reports

No abstract provided.


Systematic Analysis Of Noninferior Transfer Assignments, J. R. Wright, Steven Christian Egly, H. W. Gallivan Jan 1985

Systematic Analysis Of Noninferior Transfer Assignments, J. R. Wright, Steven Christian Egly, H. W. Gallivan

JTRP Technical Reports

No abstract provided.


Effects Of Endomycorrhizal Inoculation On Growth Of Selected Landscape Plants Used In Highway Revegetation, Stephen Dunning Verkade, Philip L. Carpenter Jan 1985

Effects Of Endomycorrhizal Inoculation On Growth Of Selected Landscape Plants Used In Highway Revegetation, Stephen Dunning Verkade, Philip L. Carpenter

JTRP Technical Reports

No abstract provided.


The Identification Of Areas Of Routine Maintenance Productivity Improvement, Stephen M. O'Brien, Kumares C. Sinha Jan 1985

The Identification Of Areas Of Routine Maintenance Productivity Improvement, Stephen M. O'Brien, Kumares C. Sinha

JTRP Technical Reports

No abstract provided.


Stabl5: The Spencer Method Of Slices, James Richard Carpenter Jan 1985

Stabl5: The Spencer Method Of Slices, James Richard Carpenter

JTRP Technical Reports

No abstract provided.


The Use Of Fuzzy Sets Mathematics To Assist Pavement Evaluation And Management, Manol Andonyadis, A. G. Altschaeffl, Jean-Lou Chameau Jan 1985

The Use Of Fuzzy Sets Mathematics To Assist Pavement Evaluation And Management, Manol Andonyadis, A. G. Altschaeffl, Jean-Lou Chameau

JTRP Technical Reports

No abstract provided.


Compressibility And Shear Strength Characteristics Of Impact Compacted Lacustrine Clay : Informational Report, Samuel Onyeabor Nwabuoekei Jan 1985

Compressibility And Shear Strength Characteristics Of Impact Compacted Lacustrine Clay : Informational Report, Samuel Onyeabor Nwabuoekei

JTRP Technical Reports

No abstract provided.


Rigid Pavement Pumping: (1) Subbase Erosion And (2) Economic Modeling : Informational Report, Wijk Adriaan Van Jan 1985

Rigid Pavement Pumping: (1) Subbase Erosion And (2) Economic Modeling : Informational Report, Wijk Adriaan Van

JTRP Technical Reports

No abstract provided.


Behavior Of Mucks And Amorphous Peats As Embankment Foundations : Interim Report, Paul Gerard Joseph Jan 1985

Behavior Of Mucks And Amorphous Peats As Embankment Foundations : Interim Report, Paul Gerard Joseph

JTRP Technical Reports

No abstract provided.


Development Of Dynamic Testing Machine For Laboratory Modeling Of The Rock Fracturing Phenomenon, Mohammad Ali Moghaddass Zadeh Kermani Dec 1984

Development Of Dynamic Testing Machine For Laboratory Modeling Of The Rock Fracturing Phenomenon, Mohammad Ali Moghaddass Zadeh Kermani

Theses

The purpose of this thesis is to develop a dynamic testing machine for laboratory modeling of the rock fracturing phenomenon. Bearing stratum fracturing is a construction difficulty which occurs when end-bearing piles are driven to weak rock or weathered sound rock. It is a pile group effect and can result in significantly less pile carrying capacity than the final driving resistance would normally indicate.

A linear scaling factor was derived to establish similitude between the laboratory apparatus and field conditions. This scaling factor is approximate and was used for overall sizing of the apparatus and its components. A more exact …


Hydraulic Rams For Rural Water Supply Schemes In Selected Areas In Tanzania, T Mbwette Dec 1984

Hydraulic Rams For Rural Water Supply Schemes In Selected Areas In Tanzania, T Mbwette

Tanzania Journal of Engineering and Technology (TJET)

This paper presents one of the many efforts made by the Faculty of Engineering and the Institute of Production Innovation of the University of Dar es Salaam towards the realization of the International Water Supply and Sanitation Decade. Special reference is made to the use of hydraulic rams along with some simple water treatment methods. Besides the account of theoretical and practical work done to-date in the field of water supply, a further evaluation of the theoretical model presented is recommended so as to enable a judgement of the present hydraulic ram designs to be done. Tests on a typical …


Irish H & V News Dec 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Irish H & V News Nov 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Groundwater Management By Linear Programming, Seungho Song Oct 1984

Groundwater Management By Linear Programming, Seungho Song

Civil & Environmental Engineering Theses & Dissertations

Three hydraulic optimization models are developed. These models combine the finite difference equations of two-dimensional groundwater flow in composite aquifers with various linear programming techniques. The hydraulic submodel employed in these hydraulic optimization models is so versatile that it accounts for time varying pumpage, leaky artesian conditions, a variety of boundary conditions, induced infiltrations from streams or rivers, and conversion from artesian to water table conditions. The objective of submodel 1 is to maximize the total hydraulic head from pumping wells at the end of a study period. The objective of submodel 2 is the same as submodel 1, but …


Irish H & V News Oct 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Irish H & V News Sep 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Selection Of Sludge Conditioning Chemicals And Filter Media For Vacuum Filter Dewatering Of Sludge At The Atlantic Wastewater Treatment Plant, Douglas W. Fredericks Jul 1984

Selection Of Sludge Conditioning Chemicals And Filter Media For Vacuum Filter Dewatering Of Sludge At The Atlantic Wastewater Treatment Plant, Douglas W. Fredericks

Civil & Environmental Engineering Theses & Dissertations

A literature review was conducted to determine the types of vacuum filter systems available for sludge dewatering, the characteristics of wastewater sludge which are important to dewatering, and the methods of sludge conditioning for vacuum filtration which are available. Capillary suction time and Buchner funnel tests were performed to determine the dewatering characteristics of sludge conditioned with ferric chloride and lime, polymer, polymer and lime, and polymer and incinerator ash. Filter leaf tests were performed to determine filter cake release characteristics of various conditioned sludge and the performance characteristics of several filter media. It was determined that ferric chloride and …


Irish H & V News Jul 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Irish H & V News Jun 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Behavior Of Tee-Shaped Reinforced Concrete Columns Subjected To Biaxial Bending And Axial Compression, Antoun Romanos Nader May 1984

Behavior Of Tee-Shaped Reinforced Concrete Columns Subjected To Biaxial Bending And Axial Compression, Antoun Romanos Nader

Theses

The investigation deals with the effect of eccentric loading on the moment-curvature relationship of reinforced concrete tee columns.

The test program consisted of two series of tee-shaped reinforced concrete columns, loaded biaxially at constant angle from the principle axes. Their end conditions were assumed to be pinned-ended.

Loads, at constant rate, were gradually applied until failure. At each loading stage, measurements were made for the strains and deflections at the mid span section.

The experimental and theoretical results of the load- deformation and moment-curvature were compared and found that the analytical approach proposed by Hsu is applicable to irregular sections …