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Articles 661 - 669 of 669
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Bioremediation Treatability Studies For Soils Containing Herbicides, Chemicals, And Petroleum Products, Loring F. Nies, Matthew B. Mesarch
Bioremediation Treatability Studies For Soils Containing Herbicides, Chemicals, And Petroleum Products, Loring F. Nies, Matthew B. Mesarch
JTRP Technical Reports
Leaking underground storage tanks are widespread throughout the United States. It is estimated that there are 1.4 million underground gasoline storage tanks in the United States, with as many as 75,000 to 100,000 that may be leaking. In Indiana alone, more than 3,500 of the 15,000 registered underground storage tank facilities have reported leaks. Conventional remediation methods often involve pump-and-treat schemes for contaminated water, and excavation and burial of contaminated soil in hazardous waste landfills. These methods increase the risk of exposure to pollutants for workers and local residents. Furthermore, these methods merely involve the transfer of pollutants from one …
Estimating Statewide Trip Tables From Vehicle Classification Counts, James Yang, Jon D. Fricker
Estimating Statewide Trip Tables From Vehicle Classification Counts, James Yang, Jon D. Fricker
JTRP Technical Reports
Although a statewide trip table is an important ingredient in the statewide planning process, such information is difficult to obtain. The study described in this report investigated the applicability to the state-level problem of existing software developed to estimate trip tables in urban areas (or smaller) from link counts. Criteria that would form the basis for determining the applicability of any particular software package were developed. Packages such as The Highway Emulator (THE), PC-LINKOD, and Fast Matrix Calibration (FMC) were tested using small and medium sized networks. Because FMC performed the best on these tests, it was applied to the …
Impact Analysis Of Vehicles On Ozone Generation In The Indianapolis Metropolitan Statistical Area, Robert Bertram Jacko, Ouattara Fatogoma
Impact Analysis Of Vehicles On Ozone Generation In The Indianapolis Metropolitan Statistical Area, Robert Bertram Jacko, Ouattara Fatogoma
JTRP Technical Reports
Motor vehicles are one of the largest emitters of ground-level ozone precursors – volatile organic compounds (VOCs) and nitrogen oxides (NO1) – into the atmosphere. Consequently, the Clean Air Act Amendment of 1990 requires the implementation of transportation control measures in order to reduce ground-level ozone precursor emissions and alleviate the ozone air quality problems. This research investigates the relative effects of motor vehicle emissions of VOCs and NO1 on hourly average concentrations of ground level ozone in the Indiana Airshed Model (UAM-IV). The findings of the research study are presented. This includes the results of the data analyses leading …
Indot Constructability Multimedia System Working Module, Bob G. Mccullouch
Indot Constructability Multimedia System Working Module, Bob G. Mccullouch
JTRP Technical Reports
Constructability can be defined as incorporating knowledge into the design product or designing so it is easier to construct. Transportation facilities have suffered from this problem, with INDOT no exception. The most important feature of any constructability program is capturing field examples, commonly referred to as “lessons learned,” and archiving and retrieving them into future projects that are either similar or have similar conditions in order to eliminate or prevent the same mistakes from occurring again. A mechanism or tool that can perform this task would be a valuable asset for INDOT. A previous JHRP project title “An INDOT Lessons …
Locating The Drainage Layer For Bituminous Pavements In Indiana, Hossam Farouk. Hassan, Thomas D. White
Locating The Drainage Layer For Bituminous Pavements In Indiana, Hossam Farouk. Hassan, Thomas D. White
JTRP Technical Reports
Pavement subsurface drainage and its effect on pavement performance has been a subject of interest since the 18th and 19th centuries. With no doubt the detrimental effects of heavy wheel loads on pavements with saturated base material is a significant factor. The consequence of subsurface water on pavement performance includes premature rutting, cracking, faulting, and increased roughness, all of which lead to a decrease in serviceability. This research study involves the evaluation of the drainage performance of three section configurations. The sections were built with a difference in the filter as well as the drainage layer. Indiana #5D, and #53 …
Remediation Of Hazardous Effluent Emitted From Beneath Newly Constructed Road Systems And Clogging Of Underdrain Systems, Ronald Fred Wukasch, Adil Siddiqui
Remediation Of Hazardous Effluent Emitted From Beneath Newly Constructed Road Systems And Clogging Of Underdrain Systems, Ronald Fred Wukasch, Adil Siddiqui
JTRP Technical Reports
The Indiana Department of Transportation uses recycled concrete pavement as aggregate for the construction of highways. The effluent from these pavements has a high pH. The high pH effluent can cause clogging of drains and vegetative kill around the outlet. This project looks into the source of the effluent water, its chemical composition and the approximate duration the problem can be expected to persist. The project also investigates possible methods for reduction of the problem in future installation. The approximate additional cost of these solutions and the problems associated with them are discussed as well.
The Use Of Pyrolized Carbon Black As An Additive (Part 3: Air Cooled Furnace Slag), Kwan-Ho Lee, C. W. Lovell, Rodrigo Salgado
The Use Of Pyrolized Carbon Black As An Additive (Part 3: Air Cooled Furnace Slag), Kwan-Ho Lee, C. W. Lovell, Rodrigo Salgado
JTRP Technical Reports
The purpose of this research was to characterize the fundamental properties and to evaluate the performance of asphalt mixtures modified by pyrolyzed carbon black (CBp) as an additive and air-cooled furnace slag as a coarse aggregate. Laboratory tests were conducted at INDOT and Koch Materials. The optimum binder content and the relationship of density and voids were determined from Marshall mix design. The rang of optimum binder content was 6.3% to 7.8%. The Marshall stability as a strength value and flow increased within the accepted ranges due to the inclusion of CBp. The gyratory tests were conducted by the US …
Using Pyrolized Carbon Black (Pcb) From Waste Tires In Asphalt Pavement (Part 2, Asphalt Binder), Yongdong Zeng, C. W. Lovell
Using Pyrolized Carbon Black (Pcb) From Waste Tires In Asphalt Pavement (Part 2, Asphalt Binder), Yongdong Zeng, C. W. Lovell
JTRP Technical Reports
Scrap tires derived from automobiles have become a large environmental problem in the United States. In this study, research is carried out to investigate the potential use of tire-derived pyrolyzed carbon black from scrap tires as an asphalt cement modifier. The asphalt cements used in this research were AC10 and AC20. Penetration and softening point tests were performed to obtain the consistency of the asphalt cements. The pyrolyzed carbon black, as provided by Wolf Industries, was combined with the asphalt cement in the following percentages; 5%, 10%, 15% and 20%. Penetration, softening point and ductility tests were performed to determine …
Using Pyrolized Carbon Black (Pcb) From Waste Tires In Asphalt Pavement (Part 1, Limestone Aggregate), Taesoon Park, C. W. Lovell
Using Pyrolized Carbon Black (Pcb) From Waste Tires In Asphalt Pavement (Part 1, Limestone Aggregate), Taesoon Park, C. W. Lovell
JTRP Technical Reports
This study presents the viability of using PCB as an additive in hot mix asphalt concrete. Different ratios of PCB (5%, 10%, 15%, and 20% by weight of asphalt) were blended with two grades of asphalt (AC-10 and AC-20). The complete behaviors of the PCB modified asphalt concrete were investigated by comprehensive laboratory testing and evaluation. The Marshall method was used to determine the optimum binder content and the mechanical properties and void relationships were investigated by this method. The Gyratory Testing Machine was used to define the stress-strain relationships of the PCB mixtures. The rutting potential of PCB mixtures …