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Articles 10291 - 10320 of 11805

Full-Text Articles in Civil and Environmental Engineering

Similitude Analysis Of Model Experiments Of Piles Driven To Rock, George Nicou Georghoudes Jan 1986

Similitude Analysis Of Model Experiments Of Piles Driven To Rock, George Nicou Georghoudes

Theses

This thesis investigates the similitude requirements for the Dynamic Pile Driving Apparatus in the New Jersey Institute of Technology Laboratory. The apparatus is being used to perform model tests to study bearing stratum fracturing caused by driving pile groups to weak rock.

Two approaches were used to establish similitude between the model and actual field conditions. The first approach utilizes dimensional analysis to develop a relationship between the energy delivered to the rock mass by the pile and the unit length. The second approach proposes a procedure to establish an empirical relationship between the threshold energy to fracture the rock …


An Investigation Of Signs For Median Crossovers, Gillian M. Worsey Jan 1986

An Investigation Of Signs For Median Crossovers, Gillian M. Worsey

Doctoral Dissertations

“This paper describes a study of advance warning signs for median crossovers on divided highways. Candidate crossover signs were identified from a literature review, survey of current State practices and discussions with FHWA personnel. Seven of these signs were selected for further testing in a laboratory study for legibility, understanding and driver preference. Sixty subjects representing a cross-section of drivers took part in the study, thirty at the Turner-Fairbanks Highway Research Center in McLean, Virginia and thirty at the University of Missouri--Rolla in Rolla, Missouri.

Two of the seven signs were word messages and five were symbolic signs. The results …


A New Basin Characteristic For Use In Estimating Impervious Area And Flood Discharges In Urban Missouri Basins, Rodney E. Southard Jan 1986

A New Basin Characteristic For Use In Estimating Impervious Area And Flood Discharges In Urban Missouri Basins, Rodney E. Southard

Masters Theses

"A previous regression analysis of flood peaks on urban basins in St. Louis County, Missouri, indicated that the percentage of impervious area and drainage area were the only basin characteristics of statistical significance in estimating the 2-, 5-, 10-, 25-, 50-, and 100-year peak-flow discharges at ungaged urban basins. In this statewide regression analysis of urban basins, a new basin characteristic called the percentage of developed area was computed and used in a simple regression analysis. The regression analysis included percentage of developed area as the independent variable and impervious area as the dependent variable, resulting in a simplified procedure …


Traffic Speed Report No. 119, David L. Cochran, Leroy Gray Jan 1986

Traffic Speed Report No. 119, David L. Cochran, Leroy Gray

JTRP Technical Reports

No abstract provided.


Studies On Controlled Low Strength Mortar, William Forrest Kepler Jan 1986

Studies On Controlled Low Strength Mortar, William Forrest Kepler

JTRP Technical Reports

No abstract provided.


Stabl5/Pc Stabl5 User Manual : Informational Report, James Richard Carpenter Jan 1986

Stabl5/Pc Stabl5 User Manual : Informational Report, James Richard Carpenter

JTRP Technical Reports

No abstract provided.


Traffic Speed Report No. 120, David L. Cochran, Leroy Gray Jan 1986

Traffic Speed Report No. 120, David L. Cochran, Leroy Gray

JTRP Technical Reports

No abstract provided.


Post-Buckled Performance Of Partially Restrained And Intermediately Supported Steel Angles, Perumal Radhakrishnan Jan 1986

Post-Buckled Performance Of Partially Restrained And Intermediately Supported Steel Angles, Perumal Radhakrishnan

Dissertations and Theses

The post-buckled performance of cross-braced single angles was experimentally determined. The results of this study will be used by the Bonneville Power Administration for the analysis of member performance in transmission towers.


Bearing Capacity Of Shallow Foundations, Yassin Taissir Al-Kour Jan 1986

Bearing Capacity Of Shallow Foundations, Yassin Taissir Al-Kour

Masters Theses

"Several bearing capacity theories have been reviewed in this analysis. However, only Meyerhof's theory is considered in great detail. Bearing capacity factors Nc, Nq, and Nγ have been computed based on Meyerhof's plasticity theory and the minimum passive earth pressures have been found by iterative calculations at all grid locations.

A computer program was developed to run Meyerhof's analysis on the IBM-Personal Computer. His previous charts were not totally satisfactory, because certain geometry was ignored. The computer program considers surface and shallow foundations with various values of degree of mobilization and ratios of depth-to-width of …


The Use Of Fuzzy Sets Mathematics To Assist Pavement Evaluation And Management: Executive Summary, Manol Andonyadis, A. G. Altschaeffl, Jean-Lou Chameau Jan 1986

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

JTRP Technical Reports

No abstract provided.


Microcomputer Implementation Of Santa: A Personnel Management Model : Implementation Report, J. R. Wright Jan 1986

Microcomputer Implementation Of Santa: A Personnel Management Model : Implementation Report, J. R. Wright

JTRP Technical Reports

No abstract provided.


Microcomputer Implementation Of Santa: A Personnel Management Model, J. R. Wright, Steven Christian Egly Jan 1986

Microcomputer Implementation Of Santa: A Personnel Management Model, J. R. Wright, Steven Christian Egly

JTRP Technical Reports

No abstract provided.


Application Of A Rapid Test Method For Asphalt Content, Mary Jo Hamman, Douglas Windslow Jan 1986

Application Of A Rapid Test Method For Asphalt Content, Mary Jo Hamman, Douglas Windslow

JTRP Technical Reports

No abstract provided.


Pore Structure Of Concrete, Ding Liu, Douglas Windslow Jan 1986

Pore Structure Of Concrete, Ding Liu, Douglas Windslow

JTRP Technical Reports

No abstract provided.


Assessment Of Routine Maintenance Needs And Optimal Use Of Maintenance Funds: An Estimation Of Service Life And Cost Of Routine Maintenance Activities : Interim Report - Executive Summary, Kieran John Feighan, Kumares C. Sinha, Thomas D. White Jan 1986

Assessment Of Routine Maintenance Needs And Optimal Use Of Maintenance Funds: An Estimation Of Service Life And Cost Of Routine Maintenance Activities : Interim Report - Executive Summary, Kieran John Feighan, Kumares C. Sinha, Thomas D. White

JTRP Technical Reports

No abstract provided.


Design Of Reinforced Embankments : Executive Summary, Dana Norman Humphrey Jan 1986

Design Of Reinforced Embankments : Executive Summary, Dana Norman Humphrey

JTRP Technical Reports

No abstract provided.


Development Of A Procedure To Assess Highway Routine Maintenance Needs : Interim Report, Ferdnando Mario Montenegro, Kumares C. Sinha Jan 1986

Development Of A Procedure To Assess Highway Routine Maintenance Needs : Interim Report, Ferdnando Mario Montenegro, Kumares C. Sinha

JTRP Technical Reports

No abstract provided.


A General Method For Three Dimensional Slope Stability Analysis : Informational Report, Jose E. Thomaz Jan 1986

A General Method For Three Dimensional Slope Stability Analysis : Informational Report, Jose E. Thomaz

JTRP Technical Reports

No abstract provided.


Irish H & V News Jan 1986

Irish H & V News

Building Services Engineering

No abstract provided.


Drilled Pilers Used For Slope Stabilization, Michael William Oakland, Jean-Lou Chameau Jan 1986

Drilled Pilers Used For Slope Stabilization, Michael William Oakland, Jean-Lou Chameau

JTRP Technical Reports

No abstract provided.


Stabl6 With Reinforcing Layer Option: User's Manual : Implementation Report (2), Dana Norman Humphrey, R. D. Holtz Jan 1986

Stabl6 With Reinforcing Layer Option: User's Manual : Implementation Report (2), Dana Norman Humphrey, R. D. Holtz

JTRP Technical Reports

No abstract provided.


Traffic Volume Forecasting Methods For Rural State Highways, Jon D. Fricker, Sunil K. Saha Jan 1986

Traffic Volume Forecasting Methods For Rural State Highways, Jon D. Fricker, Sunil K. Saha

JTRP Technical Reports

No abstract provided.


A Remote Office Automation Analysis, J. R. Wright, Eric David Kosiba, Gregory Raymond Stukel Jan 1986

A Remote Office Automation Analysis, J. R. Wright, Eric David Kosiba, Gregory Raymond Stukel

JTRP Technical Reports

No abstract provided.


Structural Design Of Coal-Fueled Power Plant Ductwork, Stanley Pearce Rader Jan 1986

Structural Design Of Coal-Fueled Power Plant Ductwork, Stanley Pearce Rader

Doctoral Dissertations

"An absence of a comprehensive procedure for design of coal-fueled power plant ductwork currently exists in the publicly available literature. This dissertation presents such a procedure.

An overview of the ductwork design environment, including major components of the air and flue gas flow paths, design loads and temperatures, corrosion considerations, and physical configurations, is given. Design criteria for materials, corrosion inhibition, minimum plate thicknesses, temperature effects, allowable stresses and deflections, and vibrations are proposed. A detailed design procedure based on the allowable stress design philosophy is presented, and computer programs implementing the design procedure are provided. An alternate design procedure …


Web Crippling Of High Strength Cold-Formed Steel Beams, Chiravut Santaputra Jan 1986

Web Crippling Of High Strength Cold-Formed Steel Beams, Chiravut Santaputra

Doctoral Dissertations

"The structural behavior of high strength cold-formed steel beams subjected primarily to web crippling was investigated analytically and experimentally. In this study hat sections and I-beams, formed from five different types of high strength sheet steels commonly used in the automobile industry, were investigated under various loading conditions. The yield strengths of these sheet steels vary from 58 to 165 ksi.

In addition to the test data gathered in this phase of study, the experimental results obtained from the beam tests conducted at Inland Steel Company and Ford Motor Company were carefully evaluated. The evaluation indicated that the present available …


The Effect Of Steel Fibers On The Toughness Properties Of Large Aggregate Concrete : Informational Report, Stephen Brent Tatro Jan 1986

The Effect Of Steel Fibers On The Toughness Properties Of Large Aggregate Concrete : Informational Report, Stephen Brent Tatro

JTRP Technical Reports

No abstract provided.


Finite Element Analysis Of Plane Strain Problems With Ps-Nfap And The Cap Model: User's Manual : Implementation Report (1), Dana Norman Humphrey, William Oris Mccarron, R. D. Holtz, Wai-Fah Chen Jan 1986

Finite Element Analysis Of Plane Strain Problems With Ps-Nfap And The Cap Model: User's Manual : Implementation Report (1), Dana Norman Humphrey, William Oris Mccarron, R. D. Holtz, Wai-Fah Chen

JTRP Technical Reports

No abstract provided.


Irish H & V News Dec 1985

Irish H & V News

Building Services Engineering

No abstract provided.


Forecasting For Local Water Management, Douglas Alan Putnam Oct 1985

Forecasting For Local Water Management, Douglas Alan Putnam

Dissertations and Theses

Forecast models are investigated and developed for use in local water management to aid in determining short term water requirements and availability. The forecast models include precipitation occurrence and depth using a Markov chain model, temperature and solar radiation with a multivariate autoregressive model, and streamflow with autoregressive-moving average models. The precipitation, temperature, and solar radiation forecasts are used with a soil moisture model to determine water demands. A state space approach to the Muskingum-Cunge streamflow routing technique is developed. The forecast water demands and streamflow forecasts are used as inputs to this routing model. Forecast model errors and propagation …


Irish H & V News Oct 1985

Irish H & V News

Building Services Engineering

No abstract provided.