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The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations. Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.

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Showing 31001 - 31020 of 35440 results
  • Field instrumentation and measured response of the I295 cablestayed bridge interim report on construction period strains in cable stays
    Field instrumentation and measured response of the I-295 cable-stayed bridge : interim report on construction period strains in cable stays.
    Baber, Thomas Thaxton, ;
    Barton, Furman W
    1991-01-01 | PDF
    During the construction of the I-295 cable-stayed bridge, a number of the stays on the main span cantilever were instrumented with electrical resistance strain gages mounted directly on the wires of the seven-wire strands making up the stay cables. Measurements were taken beginning before tensioning and continuing until completion of the cantilever ...
  • Traffic and geometric characteristics affecting the involvement of large trucks in accidents
    Traffic and geometric characteristics affecting the involvement of large trucks in accidents.
    Garber, Nicholas J. ;
    Joshua, Sarath C.
    1991-01-01 | PDF
    Recent trends indicate that vehicle miles traveled for large trucks is increasing at a higher rate than for other vehicles. The resulting competition between large trucks and other vehicles for highway space can be expected to result in more multi-vehicle collisions involving large trucks. The likelihood of these collisions causing severe injuries ...
  • Traffic and geometric characteristics affecting the involvement of large trucks in accidents
    Traffic and geometric characteristics affecting the involvement of large trucks in accidents.
    Garber, Nicholas J. ;
    Joshua, Sarath C.
    1991-01-01 | PDF
    Recent trends indicate that vehicle miles traveled for large trucks is increasing at a higher rate than for other vehicles. The resulting competition between large trucks and other vehicles for highway space can be expected to result in more multi-vehicle collisions involving large trucks. The likelihood of these collisions causing severe injuries ...
  • Instrumentation of the Red River Bridge at Boyce Louisiana 1991
    Instrumentation of the Red River Bridge at Boyce, Louisiana [1991]
    Shiu, K. N. ;
    Russell, H. G.
    1991-01-01 | PDF
    The report describes the instrumentation program of Red River Bridge at Boyce, Louisiana. The objectives of the program were to measure and evaluate time-dependent deformations, deflections, and temperatures of the Red River Bridge superstructure. To achieve the objectives, field instrumentation was installed on the bridge structure before and duri ...
  • Evaluation of joint and subbase efficiency in rigid pavement using nondestructive testing final report
    Evaluation of joint and subbase efficiency in rigid pavement using nondestructive testing : final report.
    Cousins, Thomas E.
    1991-01-01 | PDF
    The first phase of this study was undertaken to develop an inexpensive, easy-to-use non-destructive test procedure for evaluating the structural condition of transverse joints in concrete pavements. The test method consists of a load deflection measurement technique (18,000 pound single-axle load) in conjunction with a finite element model of the j ...
  • The Effect of Simulated Altitude on the Visual Fields of Glaucoma Patients and the Elderly
    The Effect of Simulated Altitude on the Visual Fields of Glaucoma Patients and the Elderly
    Nakagawara, Van B. ;
    Fulk, George W.
    1991-01-01 | PDF
    This study tests whether mild hypoxia, that is typically encountered in civilian aircraft, causes temporary visual field defects in elderly persons or temporarily increases pre-existing defects in persons with glaucoma. The central 24-2 program on the Humphrey automated perimeter was used to test visual fields in three groups of subjects: six with ...
  • North Dakota Grain and Oilseed Transportation Statistics 198990
    North Dakota Grain and Oilseed Transportation Statistics 1989–90
    Olsen, Barry M ;
    Zink, Daniel L
    1990-12-01 | PDF
    This report represents a continuation of analysis concerned with the patterns and methods of distributing grains and oilseeds from North Dakota. This series began with the analysis of 1956-57 data and was published in Agricultural Economics Reports 15, 17, 44, and 56, and Agricultural Experiment Station Bulletin 462. The compilation and analysis of ...
  • HighOccupancy Vehicle System Development in the United States A White Paper
    High-Occupancy Vehicle System Development in the United States: A White Paper
    Christiansen, Dennis L.
    1990-12-01 | PDF
    The purpose of this White Paper is to present information that provides a better understanding of the Highway Occupancy Vehicle (HOV) system approach for dealing with urban problems associated with traffic congestion, energy consumption, and air quality. The paper presents a description of the HOV system concept and discusses the characteristics an ...
  • Analytical Parametric Study of a TiedBack System for Reinforcing Distressed Bridge Abutments Vol III
    Analytical Parametric Study of a Tied-Back System for Reinforcing Distressed Bridge Abutments: Vol III
    Bang, Sangchul ;
    Yeon, Hyeong I.
    1990-12-01 | PDF
    Many bridge abutments in South Dakota have experienced significant lateral movements. One of the proposed remedial methods for repairing this distress condition is a tied-back reinforcement system that consists of regularly spaced tie-rods with deadman provided at their ends. Anchorage by means of cylindrical drilled-in concrete pile deadman have t ...
  • Analytical Parametric Study of a TiedBack System for Reinforcing Distressed Bridge Abutments Vol I
    Analytical Parametric Study of a Tied-Back System for Reinforcing Distressed Bridge Abutments Vol I
    Bang, Sangchul ;
    Yeon, Hyeong I.
    1990-12-01 | PDF
    A bridge abutment is defined as the structure that supports one terminus of the superstructure of a bridge. They are used to transfer the loads from the bridge superstructure to the underlying soil and to provide lateral support to the embankment. Many bridge abutments in South Dakota have experienced significant lateral movements. One of the propo ...
  • Analytical Parametric Study of a TiedBack System for Reinforcing Distressed Bridge Abutments Vol II Users Manual for Program BART
    Analytical Parametric Study of a Tied-Back System for Reinforcing Distressed Bridge Abutments Vol II: User’s Manual for Program BART
    Bang, Sangchul ;
    Yeon, Hyeong I.
    1990-12-01 | PDF
    This FORTRAN computer program performs the design and analysis of a tie-rods and drilled-in concrete anchor system that reinforces distressed sill-type concrete bridge abutments supported by piles. It calculates the minimum required dimensions of tie-rods and drilled- in concrete anchors, as well as the detailed response of the entire system includ ...
  • The Urban Transportation Planning Database
    The Urban Transportation Planning Database
    Lomax, Timothy J. ;
    Schrank, David L.
    1990-12-01 | PDF
    This report summarizes the major aspects of the Urban Transportation Planning Database (UTPD) which is a transportation analysis tool developed to provide a common database for transportation information for use in the Houston area. General information is available from over 30 U.S. cities. This data provides for comparisons of approaches dealing w ...
  • HighOccupancy Vehicle Project Case Studies History and Institutional Arrangements
    High-Occupancy Vehicle Project Case Studies: History and Institutional Arrangements
    Turnbull, Katherine F.
    1990-12-01 | PDF
    This report presents an analysis of the history and institutional arrangements associated with high-occupancy vehicle (HOV) projects in Houston, Texas; Minneapolis - St. Paul, Minnesota; Orange County, California; Pittsburgh, Pennsylvania; Seattle, Washington; and Washington, D.C./Northern Virginia. The report provides a summary of the elements com ...
  • Hazardous material releases due to unsecured openings and lining failures volume 1
    Hazardous material releases due to unsecured openings and lining failures, volume 1.
    Rasmussen, T.J. ;
    Boghani, A.B.
    1990-12-01 | PDF
    In response to the large number of unintentional releases of hazardousmaterials from railroad tank cars for which accidents were not the cause, theFederal Railroad Administration (FRA) initiated this study to (1) recommendprocedures to ensure that tank car appurtenances are properly maintained andsecured, (2) develop and recommend cost effective pr ...
  • Indepth study of cold inplace recycled pavement performance volume I final report
    In-depth study of cold in-place recycled pavement performance : volume I - final report.
    Scholz, Todd V. ;
    Hicks, R. Gary
    1990-12-01 | PDF
    No Description
  • Field test of polymer modified asphalt concrete Murphy Road to Lava Butte Section The Dalles California Highway Deschutes County Oregon construction report
    Field test of polymer modified asphalt concrete : Murphy Road to Lava Butte Section, The Dalles - California Highway, Deschutes County, Oregon : construction report.
    Miller, Bo ;
    Scholl, Lewis G.
    1990-12-01 | PDF
    This report covers the construction of open-graded asphalt concrete test sections using one conventional and three different polymerized binders. The binders were: 1) Chevron's conventional AC-20 as a control, 2) Elf Aquitane's Styrelf with SB polymer, 3) Asphalt Supply and Service's AC-20R with SBS polymer, and 4) Chevron's CA(P)-1 with DuPont's E ...
  • HOV Project Case Studies History and Institutional Arrangements
    HOV Project Case Studies, History and Institutional Arrangements
    Turnbull, Katherine F.
    1990-12-01 | PDF
    The Texas Transportation Institute (TTI), a part of The Texas A&M University System, is conducting an assessment of high-occupancy vehicle (HOV) projects located either on freeways or in separate rights-of-way in North America. The three-year research study is being funded by the Urban Mass Transportation Administration through the Texas Department ...
  • Evaluation of Bituminous Pavements For High Pressure Truck Tires Final Report
    Evaluation of Bituminous Pavements For High Pressure Truck Tires [Final Report]
    Kandhal, Prithvi S. ;
    Cross, Stephan A.
    1990-12-01 | PDF
    This research project was undertaken to evaluate 34 in-service heavy duty pavements across Pennsylvania to identify the material properties, mix design parameters, pavement construction properties, and pavement in-service properties which are responsible for the premature rutting (permanent deformation) of some HMA pavements. Core samples were test ...
  • Indepth study of cold inplace recycled pavement performance volume II construction and inspection manual
    In-depth study of cold in-place recycled pavement performance, volume II: construction and inspection manual.
    Scholz, Todd V. ;
    Hicks, R. Gary
    1990-12-01 | PDF
    No Description
  • Inhalation Toxicology XI The Effect of Elevated Temperature on Carbon Monoxide Toxicity
    Inhalation Toxicology: XI. The Effect of Elevated Temperature on Carbon Monoxide Toxicity
    Sanders, Donald C. ;
    Endecott, Boyd R.
    1990-12-01 | PDF
    Laboratory rats were exposed (a) to experimental concentrations of carbon monoxide in air at ambient temperature, (b) to elevated temperature atmospheres from 40 C to 60° C, and (c) to selected carbon monoxide (CO) concentrations at the elevated temperatures in (b). The incapacitating potency of each of the environments was evaluated by measurement ...
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