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Articles 35521 - 35550 of 39915

Full-Text Articles in Civil and Environmental Engineering

Checklist For Preparing Basic Specifications For A Light Duty Sign And/Or Service Truck, Herpicc Apr 1984

Checklist For Preparing Basic Specifications For A Light Duty Sign And/Or Service Truck, Herpicc

Indiana Local Technical Assistance Program (LTAP) Publications

This checklist provides suggested items to be considered when seeking bids for a service truck to be used for sign maintenance or other general service.


Irish H & V News Apr 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Application Of An Optimization Technique To The Chattanooga Area Regional Transportation Authority (Carta) Bus System, Fernando R. Chacon Mar 1984

Application Of An Optimization Technique To The Chattanooga Area Regional Transportation Authority (Carta) Bus System, Fernando R. Chacon

Masters Theses and Doctoral Dissertations

The purpose of this project is to apply a mathematical model and optimization techniqu,e to the Chattanooga Area Regional Transportation Authority (CARTA).A survey of recent urban tranaportation models was completed and the model demand most specific and applicable was chosen.A computer technique of sensitivity analysis was used in order to complete the model . A comparison of the analytical results with the current bus system was made. The results obtained in this project provide a framework in which CARTA may plan for more efficient operations.


A Basic Computer Program For The Gaussian Equation For A Point Source, Harold M. Cota Mar 1984

A Basic Computer Program For The Gaussian Equation For A Point Source, Harold M. Cota

Civil and Environmental Engineering

Many readers now are using microcomputers in their work. The advantages of these inexpensive and powerful tools are being recognized by both industry and universities. Microcomputers can be used in lengthy calculations, simulations, data collection and handling, and word processing. Programming these computers can be done in numerous languages such as Basic, Fortran and Pascal. It is often possible to find commercial programs or software available to handle a given application. There are a growing number of programs published which are now in the public domain. Only a limited number of programs dealing with air pollution problems are available ready …


Traffic Accident Rates In Kentucky (1982), Kenneth R. Agent Mar 1984

Traffic Accident Rates In Kentucky (1982), Kenneth R. Agent

Kentucky Transportation Center Research Report

The primary objective of this study was to determine average accident statistics in Kentucky for 1982. These statistics could then be used in Kentucky's high-accident location identification program. The 1982 data were combined with 1980 and 1981 data to calculate more long-term accident statistics. Average accident rates were calculated using several methods of classifying highways. A series of tables was prepared giving criteria that could be used to determine if specific locations have accident problems.


Periodic Nondestructive Evaluation Of In-Service Metal Bridges, Theodore Hopwood Ii, Robert C. Deen Mar 1984

Periodic Nondestructive Evaluation Of In-Service Metal Bridges, Theodore Hopwood Ii, Robert C. Deen

Kentucky Transportation Center Research Report

Metal bridges are subject to in-service fracture problems mainly caused by fatigue. This report considers the prevention of bridge failure by the performance of periodic nondestructive evaluations. Differences in visual and other nondestructive inspect ions are discussed. The use of preliminary inspection strategies for proper testing also is presented. The suitability of common types of nondestructive testing for bridge inspections also are included.


Thickness Design Procedure For Portland Cement Concrete Pavements, Herbert F. Southgate, Robert C. Deen Mar 1984

Thickness Design Procedure For Portland Cement Concrete Pavements, Herbert F. Southgate, Robert C. Deen

Kentucky Transportation Center Research Report

Past experience in Kentucky indicated that thickness designs using portland cement concrete best agreed with criterion used in the Portland Cement Association's design method for 2 or 3 million EAL's or less. For EAL's greater than 3 million, past experience best agreed with criterion developed from the AASHO Road Test.

Research reported herein indicates the two criteria become asymptotic at approximately 2.5 million EAL's. The merger of the criteria is presented, and the combined criterion is coupled with the principal of equal work as defined in classical physics to produce thickness design curves for portland cement concrete pavements. Research has …


Irish H & V News Mar 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Thickness Design Curves For Portland Cement Concrete Pavements, Herbert F. Southgate, Robert C. Deen Feb 1984

Thickness Design Curves For Portland Cement Concrete Pavements, Herbert F. Southgate, Robert C. Deen

Kentucky Transportation Center Research Report

Past experience indicates that thickness designs using portland cement concrete best agree with criterion used in the Portland Cement Association's design method for 18-kip EAL of 2 to 3 million or less. For EALs greater than 2 to 3 million, past experience best agrees with criterion developed from the AASHO Road Test. Research herein indicates the two criterion become asymptotic to each other at approximately 2.5 million EAL. For a variation in thickness and elastic moduli in portland cement concrete, dense-graded aggregate, and sub grade elastic modulus, research indicates that a general conic equation (included herein) very closely duplicates the …


Irish H & V News Feb 1984

Irish H & V News

Building Services Engineering

No abstract provided.


Designing Fire Protecton For Steel Beams, American Iron And Steel Institute, Subcommittee On Fire Technology Of The Committee On Construction Codes And Standards Jan 1984

Designing Fire Protecton For Steel Beams, American Iron And Steel Institute, Subcommittee On Fire Technology Of The Committee On Construction Codes And Standards

American Iron and Steel Institute (AISI) Specifications, Standards, Manuals and Research Reports (1946 - present)

No abstract provided.


Steel Deck Institute, Inc. Design Manual For Composite Decks, Form Decks, And Roof Decks, Steel Deck Institute Jan 1984

Steel Deck Institute, Inc. Design Manual For Composite Decks, Form Decks, And Roof Decks, Steel Deck Institute

Steel Deck Institute (SDI) Specifications and Manuals (1939 - present)

No abstract provided.


A Field And Laboratory Compaction Study Of A Mixture Of Retorted And Raw Oil Shale From The Means Project In Montgomery County, David L. Allen, Bobby W. Meade Jan 1984

A Field And Laboratory Compaction Study Of A Mixture Of Retorted And Raw Oil Shale From The Means Project In Montgomery County, David L. Allen, Bobby W. Meade

Kentucky Transportation Center Research Report

The oil shale retorting process will produce large volumes of spent shale and some raw oil shale that cannot he used in the retorting process. Consequently, it is anticipated that on-site disposal embankments will be constructed using these materials A report by Drnevich, et al. (1) has recommended that site-specific compaction studies be done at the start up of a mining and disposal operation. Holtz 12) has reported on a detailed study of the compaction characteristics of a western oil shale that had been retorted by the Paraho vertical retort process.

This study was performed to develop background data on …


Soft-Op User Manual For Microcomputer Aided Process Control Of The Oxidation Ditch Facility, Drew D. Mcintyre Jan 1984

Soft-Op User Manual For Microcomputer Aided Process Control Of The Oxidation Ditch Facility, Drew D. Mcintyre

Reports

This manual is intended to be used in conjunction with the program SOFT-OP. SOFT-OP was developed at the Division of Environmental Engineering, Utah State University, Logan, Utah. Funding for the program development was supplied by Tremonton City Corporation, Tremonton, Utah. Foreword: SOFT-OP has been developed for use by operators of oxidation ditch wastewater treatment plants (extended aeration activated sludge). The program serves as a useful took in daily plant operation by assisting the operator in various tasks related to process control. These tasks are grouped within the following three classifications: 1. Implementation of control parameters 2. Analysis of process characteristics …


Rutting, A Case Study (Us 23, 1.5 Miles North Of Louisa), James H. Havens, Gary W. Sharpe, David L. Allen, Herbert F. Southgate Jan 1984

Rutting, A Case Study (Us 23, 1.5 Miles North Of Louisa), James H. Havens, Gary W. Sharpe, David L. Allen, Herbert F. Southgate

Kentucky Transportation Center Research Report

This case study of rutting in an asphaltic concrete pavement makes recourse to trenching full width and full depth to expose and observe the entire cross section of the structure. Rutting occurred in the vicinity of Station 59+00 on US 23, 1.5 miles north of Louisa, during August and September 1983 when traffic was diverted onto newly constructed northbound lanes (without final surface and shouldering) while excavation into the hillside was completed for the southbound lanes. Earth movers crossed the northbound lanes going to and from a waste area. Coal trucks (Figures 1 and 2) slowed, stopped, and crept where …


A Numerical Solution For Three Dimensional Beam Columns In The Elastic Region, Hamid Reza Afghan Jan 1984

A Numerical Solution For Three Dimensional Beam Columns In The Elastic Region, Hamid Reza Afghan

Dissertations and Theses

The three differential equations describing the behavior of the beam columns in three dimensions are derived and presented in finite difference form. A computer model is developed to solve the simultaneous equations in the elastic regions and predict the member behavior.

The computer program is checked by comparing the results obtained from the program with data from other investigators, and classical analytical techniques.


The Use Of Foamed Asphalt In Bituminous Stabilization Of Base And Sub-Base Materials And Recycled Pavement Layers, Leonard E. Wood, A. G. Altschaeffl, Christine Marie Beaudoin, Franco Luis Castedo Jan 1984

The Use Of Foamed Asphalt In Bituminous Stabilization Of Base And Sub-Base Materials And Recycled Pavement Layers, Leonard E. Wood, A. G. Altschaeffl, Christine Marie Beaudoin, Franco Luis Castedo

JTRP Technical Reports

No abstract provided.


Development Of A Method For Establishing Resurfacing Priorities For The Pavement Management In Indiana: Volume 1, Executive Summary, Benjamin Colucci-Rios, Kumares C. Sinha, Eldon J. Yoder Jan 1984

Development Of A Method For Establishing Resurfacing Priorities For The Pavement Management In Indiana: Volume 1, Executive Summary, Benjamin Colucci-Rios, Kumares C. Sinha, Eldon J. Yoder

JTRP Technical Reports

No abstract provided.


Development Of A Method For Establishing Resurfacing Priorities For The Pavement Management In Indiana: Volume 2, Study Procedures And Results, Benjamin Colucci-Rios, Kumares C. Sinha, Eldon J. Yoder Jan 1984

Development Of A Method For Establishing Resurfacing Priorities For The Pavement Management In Indiana: Volume 2, Study Procedures And Results, Benjamin Colucci-Rios, Kumares C. Sinha, Eldon J. Yoder

JTRP Technical Reports

No abstract provided.


Energy Conservation And Cost Savings Related To Highway Routine Maintenance : Pavement Maintenance Cost Analysis: Interim Report, Essam Abdel-Aziz Sharaf, Kumares C. Sinha Jan 1984

Energy Conservation And Cost Savings Related To Highway Routine Maintenance : Pavement Maintenance Cost Analysis: Interim Report, Essam Abdel-Aziz Sharaf, Kumares C. Sinha

JTRP Technical Reports

No abstract provided.


Slope Stability Analysis With Stabl4, C. W. Lovell, Sunil Sharma, James Richard Carpenter Jan 1984

Slope Stability Analysis With Stabl4, C. W. Lovell, Sunil Sharma, James Richard Carpenter

JTRP Technical Reports

No abstract provided.


Development And Use Of A Management Information System To Identify Areas Of Routine Maintenance Productivity Improvement : Interim Report, V. Alan Sanderson, Kumares C. Sinha Jan 1984

Development And Use Of A Management Information System To Identify Areas Of Routine Maintenance Productivity Improvement : Interim Report, V. Alan Sanderson, Kumares C. Sinha

JTRP Technical Reports

No abstract provided.


Structural Behavior Of Cold-Formed Steel Beam Webs Subjected To Partial Edge Loading, Shin-Hua Lin Jan 1984

Structural Behavior Of Cold-Formed Steel Beam Webs Subjected To Partial Edge Loading, Shin-Hua Lin

Masters Theses

"An extensive experimental investigation has been conducted to study the load-carrying capacity of cold-formed steel web elements subjected to partial edge loading which may cause web crippling or web buckling. In this experimental work emphasis was concentrated on the cold-formed steel structural members having single unreinforced webs with stiffened flanges.

In 1980, American Iron and Steel Institute (AISI) revised its "Specification for the Design of Cold-Formed Steel Structural Members.” For the design of beam webs, Section 3.5.1 of the AISI Specification provides the design criteria for web crippling. This thesis discusses the experimental work including some specimens with small length-to-depth …


Indiana Highway Cost Allocation Study; A Report On Methodology : Interim Report, Kumares C. Sinha, Tien Fang Fwa, E. C. Ting, Robert M. Shanteau, Mitsuru Saito, Harold L. Michael Jan 1984

Indiana Highway Cost Allocation Study; A Report On Methodology : Interim Report, Kumares C. Sinha, Tien Fang Fwa, E. C. Ting, Robert M. Shanteau, Mitsuru Saito, Harold L. Michael

JTRP Technical Reports

No abstract provided.


Feasibility Of Harvesting Hay On Highway Right-Of-Way: Yield, Quality, And Load Content Of Forage Along Indiana Highway, Kumares C. Sinha, Keith Douglas Johnson, Jerry H. Cherney, David C. Petritz, Kang Hu, Jeffrey Allen Mullen, W. Jacobs Jan 1984

Feasibility Of Harvesting Hay On Highway Right-Of-Way: Yield, Quality, And Load Content Of Forage Along Indiana Highway, Kumares C. Sinha, Keith Douglas Johnson, Jerry H. Cherney, David C. Petritz, Kang Hu, Jeffrey Allen Mullen, W. Jacobs

JTRP Technical Reports

No abstract provided.


Determination Of The Structural Coefficients Of A Foamed Asphalt Recycled Layer, Wijk Adriaan Van Jan 1984

Determination Of The Structural Coefficients Of A Foamed Asphalt Recycled Layer, Wijk Adriaan Van

JTRP Technical Reports

No abstract provided.


Stabilization Of Slopes Using Piles : Interim Report, Sophia Hassiotis, Jean-Lou Chameau Jan 1984

Stabilization Of Slopes Using Piles : Interim Report, Sophia Hassiotis, Jean-Lou Chameau

JTRP Technical Reports

No abstract provided.


Development Of A Method For Establishing Resurfacing Priorities For The Pavement Management In Indiana: Volume 3, Appendices, Benjamin Colucci-Rios, Kumares C. Sinha, Eldon J. Yoder Jan 1984

Development Of A Method For Establishing Resurfacing Priorities For The Pavement Management In Indiana: Volume 3, Appendices, Benjamin Colucci-Rios, Kumares C. Sinha, Eldon J. Yoder

JTRP Technical Reports

No abstract provided.


The Use Of Fuzzy Set Mathematics In Pavement Evaluation And Management : Interim Report : Executive Summary, Manjriker Gunaratne, A. G. Altschaeffl, Jean-Lou Chameau Jan 1984

The Use Of Fuzzy Set Mathematics In Pavement Evaluation And Management : Interim Report : Executive Summary, Manjriker Gunaratne, A. G. Altschaeffl, Jean-Lou Chameau

JTRP Technical Reports

No abstract provided.


Computational Package For Predicting Pile Stress And Capacity : Interim Report, Francisco Jose Tejidor Jan 1984

Computational Package For Predicting Pile Stress And Capacity : Interim Report, Francisco Jose Tejidor

JTRP Technical Reports

No abstract provided.