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Articles 1741 - 1770 of 2550

Full-Text Articles in Civil and Environmental Engineering

Estimating Statewide Vehicle Miles Traveled In Indiana : Draft Final Report, Robert Kwasi Kumapley, Jon D. Fricker Jan 1994

Estimating Statewide Vehicle Miles Traveled In Indiana : Draft Final Report, Robert Kwasi Kumapley, Jon D. Fricker

JTRP Technical Reports

Two cross classification models have been developed in this study for use in the estimation of statewide VMT in Indiana. This is to provide INDOT with an independent source of improved statewide VMT estimates based on driver behavior to supplement the estimates obtained from the traffic count based HPMS method. The models are calibrated to produce VMT estimates for all functional classes in the state network, including combined statewide VMT estimates for functional classes that are not part of the state highway system. The results obtained in the model evaluation process indicate that the models are well calibrated. Model-generated VMT …


An Evaluation Of The Strategic Highway Research Project Packing Handbook, Kenneth P. Cox, Charles F. Scholer, Menashi D. Cohen Jan 1994

An Evaluation Of The Strategic Highway Research Project Packing Handbook, Kenneth P. Cox, Charles F. Scholer, Menashi D. Cohen

JTRP Technical Reports

The objective of this research is to evaluate the use of the November 8, 1991 SHRP C-206 report entitled, “Packing Handbook – A Guide to the Optimal Gradation of Concrete Aggregates”. The purpose of the Packing Handbook is to determine the optimal combination of fine and coarse aggregates for concrete from available aggregate sources. Through the use of tables provided in the Packing Handbook, and given sources with known aggregate gradations and void contents, the relative proportion of each aggregate (coarse and fine) is obtained. Concretes made using the Packing Handbook recommendations of aggregate proportioning were compared to concretes used …


Guidelines For Permitting Overloads, Part 2: Statistical Analysis Of Overload Vehicle Effects On Indiana Highway Bridges, Donald W. White, J. A. Ramirez, N Prasad, Thomas Kuczek Jan 1994

Guidelines For Permitting Overloads, Part 2: Statistical Analysis Of Overload Vehicle Effects On Indiana Highway Bridges, Donald W. White, J. A. Ramirez, N Prasad, Thomas Kuczek

JTRP Technical Reports

This report summarizes an analytical investigation carried out to develop a set of guidelines for regulation of overload vehicles in Indiana. A formula based first phase evaluation of overload permit requests is developed through statistical study of the rating of a representative sample of the highway bridges in Indiana using a representative sample of overload vehicles observed in the state in 1990 and 1991 plus the HS 20 design vehicle and the two Indiana Toll Road loadings. A sample of 148 bridges is chosen from a total population of 3700 Indiana highway bridges using a proportionate stratified random sampling process. …


Guidelines For Permitting Overloads; Part 1: Effect Of Overloaded Vehicles On The Indiana Highway Network, Sameh Mohamed Zaghloul, Thomas D. White Jan 1994

Guidelines For Permitting Overloads; Part 1: Effect Of Overloaded Vehicles On The Indiana Highway Network, Sameh Mohamed Zaghloul, Thomas D. White

JTRP Technical Reports

Closed form analysis is commonly used to analyze pavement structures. This type of analysis assumes linear elastic material properties and static loading conditions. In reality, pavement materials are not linear elastic materials. For example, asphalt mixtures are viscoelastic materials and cohesive soils are elastic-plastic materials. Also truck loads are moving loads. The difference between the closed form analysis assumptions and the actual pavement conditions leads to significant differences between measured and predicted pavement response. A study has been conducted at Purdue University to develop a procedure for permitting overloaded trucks in Indiana. This study was funded by the Indiana Department …


Implementation Of The Developed Quality Acceptance System For Steel Bridge Painting Construction, Luh M. Chang, Machine Hsie Jan 1994

Implementation Of The Developed Quality Acceptance System For Steel Bridge Painting Construction, Luh M. Chang, Machine Hsie

JTRP Technical Reports

The purpose of this research is to implement the steel bridge painting quality acceptance system developed in the Joint Highway Research Project HPR-2029-89-27 and to computerize the developed system into inspectors’ daily practice. A training program was conducted. Field experiment of the developed inspection system was initiated immediately right after the inspector training program. The new acceptance system was manually tested. Feedback from INDOT’s inspectors and other personnel were adopted to refine the inspection system. Meanwhile, an interactive computer graphic program was developed to assist the INDOT in designing the double sampling plan and deciding the sample size with controlled …


The Computer Aided System For Planning Efficient Routes, J. R. Wright Jan 1994

The Computer Aided System For Planning Efficient Routes, J. R. Wright

JTRP Technical Reports

The Indiana Department of Transportation has sponsored the design and implementation of a decision support system for routing highway maintenance vehicles – the Computer Aided System for Planning Efficient Routes (CASPER). Designed for solving multiobjective route design problems, CASPER has been used by agency personnel to design routes for winter maintenance vehicles with significant results: cost savings of more than $9-million to the State of Indiana through more efficient use of materials, equipment, and personnel, while at the same time significant improvement in overall level of network and public service. CASPER integrates 1: an extensive spatial network database (GIS/CAD), 2) …


1994 Directory Of Indiana State, County, City And Town Officials Responsible For Road And Street Work, Herpicc Jan 1994

1994 Directory Of Indiana State, County, City And Town Officials Responsible For Road And Street Work, Herpicc

Indiana Local Technical Assistance Program (LTAP) Directory

Contact information for agency officials and employees responsible for Indiana’s local road infrastructure.


The Development Of A Prototype Congestion Management System For The State Of Indiana: Phase 1, Nishantha R. Gunawardena, Kumares C. Sinha Jan 1994

The Development Of A Prototype Congestion Management System For The State Of Indiana: Phase 1, Nishantha R. Gunawardena, Kumares C. Sinha

JTRP Technical Reports

This study details a comprehensive set of guidelines and a work-plan that consists of nine elements that need to be developed in implementing a congesion management system. A procedure has been developed by means of which congestion on roadway links can be identified at a macroscopic level using daily volume counts (ADT) after which, links that are identified as being congested will be subjected to a more detailed microscopic study using hourly volume counts to determine extent, duration and severity of congestion.


Use Of Waste Foundry Sand In Highway Construction : Final Report, Sayeed Javed Jan 1994

Use Of Waste Foundry Sand In Highway Construction : Final Report, Sayeed Javed

JTRP Technical Reports

The promulgation of environmental regulations, both at the federal and state level, have resulted in increased control over both the hazardous and nonhazardous wastes generated in the foundry industry. The increased regulation action has in many cases resulted in foundry wastes being disposed in highly engineered and often times costly land disposal facilities. Beneficial reuse represents an alternative to disposal and the associated problems of diminished landfill capacity and increased tipping fees. This study contains: synthesis of all available information and laboratory results for different beneficial uses of waste foundry sand. Among the different beneficial uses, waste foundry sand as …


The Components And Benefits Of An Advanced Surface Arterial Traffic Management System, Ted M. Andrews, Kumares C. Sinha Jan 1994

The Components And Benefits Of An Advanced Surface Arterial Traffic Management System, Ted M. Andrews, Kumares C. Sinha

JTRP Technical Reports

Traffic congestion has become an increasing problem on major surface arterial roadways. Demand for accessibility to adjacent land uses yields increased vehicular turning movement activity at driveways and intersections. As turning and cross-road traffic volumes increase, the need for traffic signalization will eventually be warranted. When numerous, independently operating traffic signals are present on a given arterial roadway, adverse effects can result. First, continous movement along the arterials at a desirable speed may not be assured. Second, vehicular delay will increase because of the slower operating speeds and increased number of stops. Third, safety can be threatened as poor traffic …


Subgrade Resilient Modulus For Pavement Design And Evaluation : Implementation Report, Woojin Lee, Nihal Chand Bohra, A. G. Altschaeffl, Thomas D. White Jan 1994

Subgrade Resilient Modulus For Pavement Design And Evaluation : Implementation Report, Woojin Lee, Nihal Chand Bohra, A. G. Altschaeffl, Thomas D. White

JTRP Technical Reports

No abstract provided.


An Indot Lessons Learned Constructability Program And Integrated Multimedia System, Bob G. Mccullouch, Robert Michael Patty Jan 1994

An Indot Lessons Learned Constructability Program And Integrated Multimedia System, Bob G. Mccullouch, Robert Michael Patty

JTRP Technical Reports

To improve constructability, experienced design and construction engineers often select processes and develop details that require less labor, equipment, or management resources to build. These innovative ideas, enabling circumstances, and their effect on the construction process are not usually recorded in a reusable format. Without such a mechanism, recalling this experience under the appropriate circumstances, or transferring the technology to new management has generally not happened. Further, civil engineers are generally educated to optimize cost by minimizing the material quantity. Through experience gained after graduation, they are expected to pick up options for engineering impact on the labor, equipment, and …


Pavement Drainage And Pavement Shoulder Joint Evaluation Numerical Analysis Of Infiltration And Drainage In Pavement Systems, Reynaldo David. Espinoza, Philippe L. Bourdeau, Thomas D. White Dec 1993

Pavement Drainage And Pavement Shoulder Joint Evaluation Numerical Analysis Of Infiltration And Drainage In Pavement Systems, Reynaldo David. Espinoza, Philippe L. Bourdeau, Thomas D. White

JTRP Technical Reports

The continuing loss of pavement performance observed in the U.S. transportation infrastructure system raises the issue of the subdrainage design. Experience with the Indiana highways indicates that the lack of adequa the sub-drainage is probably a major cause of pavement distress. In order to provide highway engineers with a methodology to analyze the water migration and drainage into pavement systems a new numerical model has been developed. The numerical scheme is a finite difference formulation of the equations of water flow in unsaturated porous media. The resulting system of equations used is nonlinear and state-of-the-art numerical techniques have been used …


Introduction To Leveling - A Training Guide For Road Maintenance Personnel In Indiana's Counties, Cities And Towns, Herpicc Dec 1993

Introduction To Leveling - A Training Guide For Road Maintenance Personnel In Indiana's Counties, Cities And Towns, Herpicc

Indiana Local Technical Assistance Program (LTAP) Publications

This booklet presents the basic concepts of leveling and is intended as a reference for those employees performing essential leveling operations for the construction of roads and drainage structures.


A Summary Of Highway Revenues, Expenses And Distributions: 1986 Through 1993, Herpicc Nov 1993

A Summary Of Highway Revenues, Expenses And Distributions: 1986 Through 1993, Herpicc

Indiana Local Technical Assistance Program (LTAP) Publications

This report shows the history of receipts, expenses and distributions of revenues that provide funding to all local governments for highway, road and street work.


Flowable Fill, Herpicc Aug 1993

Flowable Fill, Herpicc

Indiana Local Technical Assistance Program (LTAP) Technical Reports

This publication supplies information on Controlled Low Strength Material (CLSM) and performance related to material characteristics and mixture properties.


Applicant's Guide To Traffic Impact Studies, Soumya Sekhar Dey, Jon D. Fricker Jun 1993

Applicant's Guide To Traffic Impact Studies, Soumya Sekhar Dey, Jon D. Fricker

JTRP Technical Reports

No abstract provided.


Laboratory Study On Properties Of Rubber-Soils, Imtiaz Ahmed May 1993

Laboratory Study On Properties Of Rubber-Soils, Imtiaz Ahmed

JTRP Technical Reports

The waste tire problem in the United States is of great magnitude and has far reaching environmental and economic implications. This study investigates the feasibility of using tire chips, alone and mixed with soils, as lightweight material in highway embankments . The report contains: synthesis of all available information and results from laboratory testing of tire chips, rubber-Ottawa sand, and rubber-Crosby till. It is found that rubber-sand with chip/mix ratios of 33% or less exhibits excellent engineering properties: easy to compact; low dry density; low compressibility; high strength; and excellent drainage characteristics. On the whole, the rubber-Crosby till mixes do …


Pavement Drainage And Pavement-Shoulder Joint Evaluation And Rehabilitation, Zubair Ahmed, Thomas D. White, Philippe L. Bourdeau Mar 1993

Pavement Drainage And Pavement-Shoulder Joint Evaluation And Rehabilitation, Zubair Ahmed, Thomas D. White, Philippe L. Bourdeau

JTRP Technical Reports

The objectives of this research were i) to evaluate the performance of pavement subdrainage systems ii) study the behavior of moisture conditions below pavements and iii) provide recommendations for unproved drainage criteria based on analysis of field data. Existing and retrofitted subdrainage collector systems were inspected through external visual inspection in combination with a probe for internal inspection. Distresses and deficiencies in construction observed were listed and compiled on video. A methodology for inspection is presented that can be used by highway agencies in monitoring the condition, need for maintenance, and performance of collector systems. Pavements with various types of …


Embankment Widening And Grade Raising On Soft Foundation Soils, Phase 2, Scott Ludlow, Wai-Fah Chen, Philippe L. Bourdeau, C. W. Lovell Jan 1993

Embankment Widening And Grade Raising On Soft Foundation Soils, Phase 2, Scott Ludlow, Wai-Fah Chen, Philippe L. Bourdeau, C. W. Lovell

JTRP Technical Reports

No abstract provided.


Subgrade Resilient Modulus For Pavement Design And Evaluation, Woojin Lee, Nihal Chand Bohra, A. G. Altschaeffl, Thomas D. White Jan 1993

Subgrade Resilient Modulus For Pavement Design And Evaluation, Woojin Lee, Nihal Chand Bohra, A. G. Altschaeffl, Thomas D. White

JTRP Technical Reports

No abstract provided.


Debonding In Pretensioned Beams-Precast Strands, Part 2: Simply Supported Tests, O. A. Abdalla, J. A. Ramirez, Robert H. Lee Jan 1993

Debonding In Pretensioned Beams-Precast Strands, Part 2: Simply Supported Tests, O. A. Abdalla, J. A. Ramirez, Robert H. Lee

JTRP Technical Reports

No abstract provided.


Strand Debonding In Pretensioned Beams - Precast Prestressed Concrete Bridge Girders With Debonded Strands - Continuity Issues, O. A. Abdalla, J. A. Ramirez, Robert H. Lee Jan 1993

Strand Debonding In Pretensioned Beams - Precast Prestressed Concrete Bridge Girders With Debonded Strands - Continuity Issues, O. A. Abdalla, J. A. Ramirez, Robert H. Lee

JTRP Technical Reports

No abstract provided.


Multiobjective Design Of Service Routes, J. R. Wright, Jin-Yuan Wang Jan 1993

Multiobjective Design Of Service Routes, J. R. Wright, Jin-Yuan Wang

JTRP Technical Reports

The purpose of this research has been the design of a computer-based decision support system for use in the design of service routes on the Indiana intrastate highway system. The following work has been completed for this purpose:

1) Acquisition of a 1:100,000 scale DLG data representation of the entire state transportation network.

2) Reclassification of those data with the aid of a computer-based interactive data filter and participation by DOT maintenance personnel from 6 districts.

3) Development of several route design algorithm components designed specifically for addressing the problem of routing snow and ice control vehicles for INDOT.

4) …


1993 Directory Of Indiana State, County, City And Town Officials Responsible For Road And Street Work, Herpicc Jan 1993

1993 Directory Of Indiana State, County, City And Town Officials Responsible For Road And Street Work, Herpicc

Indiana Local Technical Assistance Program (LTAP) Directory

Contact information for agency officials and employees responsible for Indiana’s local road infrastructure.


Chemical Admixtures Of Highway Concrete: Fundamental Research And A Guide To Usage, Sidney Diamond, Keisuke Matsukawa Jan 1993

Chemical Admixtures Of Highway Concrete: Fundamental Research And A Guide To Usage, Sidney Diamond, Keisuke Matsukawa

JTRP Technical Reports

No abstract provided.


Guide To Revenue Calculations: Local Option Highway User Tax 1992, Jon D. Fricker Dec 1992

Guide To Revenue Calculations: Local Option Highway User Tax 1992, Jon D. Fricker

Indiana Local Technical Assistance Program (LTAP) Publications

This guide is provided to explain the output generated by the computer programs, and to suggest ways in which the results can be adapted to specific LOHUT proposals before a County Council. HERPICC neither endorses nor opposes passage of a LOHUT. The revenue projections it provides are intended to be an aid to well-informed decision-making on the part of a county’s citizens and its County Council.


Manual Of Traffic Impact Studies : Draft, Soumya Sekhar Dey, Jon D. Fricker Feb 1992

Manual Of Traffic Impact Studies : Draft, Soumya Sekhar Dey, Jon D. Fricker

JTRP Technical Reports

With intensification urban development and dwindling public resources, assessing the impacts of a new development (traffic impact analysis) is becoming an important planning tool for transportation engineers, so that the traffic impacts of new developments can be foreseen and effective mitigating measures can be planned using optimal allocation of the available funds. The study establishes a detailed and standardized methodology for traffic impact analysis. Although the procedure was developed for the Indiana Department of Transportation, it can be used by other transportation agencies as well with little or no modification.

A new methodology for estimating the percentage of pass-by trips …


Development Of Quality Assurance Specifications For Bridge Painting Contracts, Luh M. Chang, Machine Hsie, David Unkefer Jan 1992

Development Of Quality Assurance Specifications For Bridge Painting Contracts, Luh M. Chang, Machine Hsie, David Unkefer

JTRP Technical Reports

No abstract provided.


The Development Of A Highway Revenue Forecasting Model For Indiana : Executive Summary, Amit H. Varma, Kumares C. Sinha, Jeffrey L. Spalding Jan 1992

The Development Of A Highway Revenue Forecasting Model For Indiana : Executive Summary, Amit H. Varma, Kumares C. Sinha, Jeffrey L. Spalding

JTRP Technical Reports

No abstract provided.