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Showing 27381 - 27400 of 35628 results
  • An Analysis of the Use of Linear Scheduling Techniques in the Construction Industry
    An Analysis of the Use of Linear Scheduling Techniques in the Construction Industry
    Sims, Steven L.
    1998-06-01 | PDF
    A construction scheduling technique is presented which is, in many cases, more advantageous, to both the contractor and the owner, than bar charts typically provided by contractors, particularly for projects that are linear in nature or have repetitive activities scheduled in phases (e.g. roads, piping systems, bridge spans, and high rise buildings ...
  • Modern Roundabouts for Oregon
    Modern Roundabouts for Oregon
    Taekratok, Thaweesak
    1998-06-01 | PDF
    This report reviews current research and practice on modern roundabouts, both in the US and other countries. The report compares the advantages and disadvantages of roundabouts, summarizes safety implications, and discusses pedestrian and bicyclist considerations. Guidance from other states on the geometric design of roundabouts is reviewed, as are ...
  • Hydraulic Performance of SetBack Curb Inlets
    Hydraulic Performance of Set-Back Curb Inlets
    McEnroe, B. M. ;
    Wade, R. P.
    1998-06-01 | PDF
    The objective of this study was to develop hydraulic design charts for the location and sizing of set-back curb inlets. An extensive program of hydraulic model testing was conducted to evaluate the performance of various inlet opening sizes. The grade and cross slope of the pavement was varied as was the water flow in an effort to determine the max ...
  • Transportation Equity Act for the 21st Century
    Transportation Equity Act for the 21st Century
    United States. Congress
    1998-06-01 | PDF
    To authorize funds for Federal-aid highways, highway safety programs, and transitprograms, and for other purposes.
  • Performance of Steel Pipe PiletoConcrete Bent Cap Connections Subject to Seismic or High Transverse Loading Phase I Preliminary Investigation
    Performance of Steel Pipe Pile-to-Concrete Bent Cap Connections Subject to Seismic or High Transverse Loading: Phase I: Preliminary Investigation
    Stephens, Jerry ;
    McKittrick, Ladean
    1998-06-01 | PDF
    The response of a concrete filled, steel pipe pile-to-concrete pile cap connection subjected to extreme lateral loads was experimentally and analytically investigated in this project. This connection is part of a bridge support system used by the Montana Department of Transportation that consists of a linear array of piles connected at the top by a ...
  • Human Factors Technical Writers Guide
    Human Factors Technical Writer’s Guide
    Snyder, M. D. ;
    Bryant, D. J.
    1998-06-01 | PDF
    The Program Directorate for Aviation Simulation and Human Factors (ACT-500) of the Federal Aviation Administration William J. Hughes Technical Center determined that there should be a standardized method to create technical documents. The Human Factors Branch (ACT-530) was tasked to develop this document. They decided that standardizing technical d ...
  • Technical Summary of Report Number 309 Louisiana Department of Transportation and Development InHouse Versus Consultant Design Cost Study
    Technical Summary of Report Number 309, “Louisiana Department of Transportation and Development In-House Versus Consultant Design Cost Study”
    Wilmot, Chester G.
    1998-06-01 | PDF
    This approach was used in the study conducted for the Louisiana DOTD. A sample of 20 inhouse and 17 consultant designs conducted in the previous five years were used to establish 37 pairs of design costs. For each pair, comparative design costs were measured as the ratio of inhouse to consultant design cost. The analysis showed that, on average, in ...
  • Analysis and Monitoring Design for Networks
    Analysis and Monitoring Design for Networks
    Fedorov, V ;
    Flanagan, D
    1998-06-01 | PDF
    The primary aim of this text is to attract the attention of researchers and practitioners working with computer networks to possible gain in precision, speed, and economy of their experiments by employing advanced techniques of optimal experimental design. Unlike in many other experimen­tal areas where the cost of measurements is dominant, in compu ...
  • Testing and Evaluation of a Portable Workzone Sign Support Foil Test Numbers 98F008 and 98F009 C
    Testing and Evaluation of a Portable Workzone Sign Support: Foil Test Numbers 98F008 and 98F009 C
    Brown, Christopher M.
    1998-06-01 | PDF
    This report contains the test procedures, test setup, and test results from two crash tests performed at the Federal Highway Administration's (FHWA) Federal outdoor Impact Laboratory (FOIL) located at the Turner-Fairbank Highway Research Center (TFHRC) in;See also PB96-187968. Sponsored by Federal Highway Administration, McLean, VA. Office of Safet ...
  • Analysis and Evaluation of WeighinMotion Data
    Analysis and Evaluation of Weigh-in-Motion Data
    Colucci, Benjamin ;
    Ramirez, Nazario
    1998-06-01 | PDF
    One of the most critical parameters in the structural analysis and design of new and rehabilitated pavements is the characterization of truck traffic. The technology of Weigh-in-Motion (WIM) has been implemented in many countries in order to measure the weight of individual axles and gross vehicle weight, while at the same time classifying vehicles ...
  • 1997 New Mexico Traffic Crash Information
    1997 New Mexico Traffic Crash Information
    New Mexico. Traffic Safety Bureau  ...
    1998-06-01 | PDF
    This edition of New Mexico Traffic Crash Information reviews traffic crash data in New Mexico from January through December, 1997. It presents crash data in the form of graphs for those who prefer an impressionistic view and tables for those who require reference information. Maps are provided where a geographic perspective is useful. The statistic ...
  • Chemical Technology Division Annual Technical Report 1997
    Chemical Technology Division Annual Technical Report, 1997
    Laidler, J. J. ;
    Einziger, R. E.
    1998-06-01 | PDF
    The Chemical Technology (CMT) Division is a diverse technical organization with principal emphases in environmental management and development of advanced energy sources. The Division conducts research and development in three general areas: (1) development of advanced power.sources for stationary and transportation applications and for consumer el ...
  • Review of the Flammability Hazard of Jet A Fuel Vapor in Civil Transport Aircraft Fuels Tanks
    Review of the Flammability Hazard of Jet A Fuel Vapor in Civil Transport Aircraft Fuels Tanks
    William J. Hughes Technical Center (U.S.). Fuel Flammability Task Group
    1998-06-01 | PDF
    This report documents the findings of a Fuel Flammability Task Group made up of recognized fuel and combustion specialists investigating the flammability and explosiveness of fuel within an aircraft fuel tank. The task group reviewed all available reports on the subject and met and discussed the data with technical experts from Boeing Commercial Ai ...
  • Verkeer en vervoer in landelijki gebieden
    Verkeer en vervoer in landelijki gebieden.
    Hilbers, H. D. ;
    Jansen, G. R. M.
    1998-06-01 | PDF
    The report presents an overview of technological developments in traffic and transport that may be expected to occur in the next ten to twenty years, including their relevance to rural areas. The dominant role of private cars in rural areas will even increase during the next few decades. Text in Dutch; summary in English. Prepared in cooperation wi ...
  • Quantifying the Emissions Benefits of the Transportation Efficiency and SOV Travel Reduction Programs
    Quantifying the Emissions Benefits of the Transportation Efficiency and SOV Travel Reduction Programs
    Preston, Catherine E. ;
    Thomas, John V.
    1998-06-01 | PDF
    Some of the most effective investments and programs to reduce pollution from the transportation sector, such as land use planning, improved urban design and alternative transit infrastructure investment, have the greatest potential to achieve emissions reductions in the long term because they address structural aspects of urban sprawl and the depen ...
  • ADA service criteria measuring compliance with capacity requirements for ADA complementary paratransit
    ADA service criteria: measuring compliance with capacity requirements for ADA complementary paratransit
    Mathias, Rosemary G. ;
    Lachance, Laura C.
    1998-06-01 | PDF
    This report assesses the extent to which transit agencies, particularly in Florida, measure and monitor compliance with service capacity constraint requirements associated with the complementary paratransit provisions of the Americans with Disabilities Act of 1990 (ADA). In particular, this study examines four types of service indicators, as sugges ...
  • US Trade With Puerto Rico and US Possessions 1997
    U.S. Trade With Puerto Rico and U.S. Possessions, 1997
    United States. Department of Commerce
    1998-06-01 | PDF
    This description covers all phases of the foreign trade statistics program and may contain portions not pertinent to this report.
  • Analysis of an Improved TwoLane TwoWay Highway Geometric Section Texas Super Two
    Analysis of an Improved Two-Lane, Two-Way Highway Geometric Section (Texas Super Two)
    Gransberg, Douglas D. ;
    Senadheera, Sanjaya
    1998-06-01 | PDF
    The focus of this project is to use a standard methodology to evaluate the Super Two concept for improving the geometrics of two-lane, two-way rural highways. This concept modifies existing lane usage by providing some form of alternating passing lanes on a reconfigured 44 foot cross section. The study includes the determination of signing and stri ...
  • Barriers to Use of Transportation Alternatives by People with Disabilities
    Barriers to Use of Transportation Alternatives by People with Disabilities
    Koppa, Rodger ;
    Davies, Becky
    1998-06-01 | PDF
    Implications of Americans with Disabilities Act of 1990 with regard to use of public transit and paratransit by people with disabilities are discussed in terms of physical, psychological, and communication barriers. Recent trends in amelioration of those barriers are described. A survey of several selected transit organizations who have been identi ...
  • Aviation safety FAA has not fully implemented weatherrelated recommendations report to the Subcommittee on Technology Committee on Science House of Representatives
    Aviation safety : FAA has not fully implemented weather-related recommendations : report to the Subcommittee on Technology, Committee on Science, House of Representatives
    United States. General Accounting Office
    1998-06-01 | PDF
    In the last 10 years, icing, turbulence, dangerous winds, a lack of visibility,and other weather conditions have been cited as a cause or contributing factorin nearly a quarter of aviation accidents. The General Accounting Office (GAO)examined the actions FAA has taken to address the recommendations raised by NRCand FAA's advisory committee. In thi ...
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