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Showing 32961 - 32980 of 36747 results
  • Transportation of hazardous materials
    Transportation of hazardous materials
    United States. Congress. Office of Technology Assessment
    1986-07-01 | PDF
    This report discusses transportation of all hazardous materials (commodities,radioactive materials including spent nuclear fuel, and hazardous wastes) thattravel by truck, rail, water, or air. The Office of Technology Assessment (OTA)has identified four paramount policy issue areas for Congressionalconsideration: training, federal/state regulations ...
  • Sprinkle Treatment experimental project construction and firstyear evaluation
    Sprinkle Treatment experimental project construction and first-year evaluation.
    Paul, Harold R. ;
    Kemp, Sarah F.
    1986-07-01 | PDF
    The Department's Research Section recognized the need for alternatives to the friction course materials. One such alternative which appeared promising was Sprinkle Treatment. Sprinkle Treatment, initiated in 1977 by the Federal Highway Administration in under the auspices of Demonstration Project No. 50, was developed in England where it has been w ...
  • Evaluation of fly ash concrete durability containing class II durability aggregates
    Evaluation of fly ash concrete durability containing class II durability aggregates.
    Moussalli, Sam G.
    1986-07-01 | PDF
    Fly ash was used in this evaluation study to replace 15% of the cement inClass C-3 concrete paving mixes. One Class "c" ash from Iowa approvedsources was examined in each mix. Substitution rate was based on 1 to 1basis, for each pound of cement removed 1.0 pound of ash was added.The freeze/thaw durability of the concrete studied was not adversely a ...
  • Morse Brothers Inc concrete cylinder mold investigation phase one report
    Morse Brothers, Inc. concrete cylinder mold investigation : phase one report.
    Wence, Donald E.
    1986-07-01 | PDF
    No Description
  • Effects of Sleep Loss on Vestibular Response during Simple and Complex Vestibular Stimulation
    Effects of Sleep Loss on Vestibular Response during Simple and Complex Vestibular Stimulation
    Collins, William E.
    1986-07-01 | PDF
    Few data are available concerning the effects of sleep loss on vestibular responses although those responses are significant products of motion in aviation environments. This study assessed periodically throughout approx. 55 hrs. of sleep loss the ocular nystagmus and motion experiences of men exposed to both simple (angular acceleration and comple ...
  • Annual Report of the Maritime Administration for Fiscal Year 1985 MARAD 1985
    Annual Report of the Maritime Administration for Fiscal Year 1985 [MARAD 1985]
    United States. Department of Transportation. Maritime Administration
    1986-07-01 | Annual Reports of the Maritime Administration | PDF
    Annual report of the Maritime Administration for fiscal year 1985 as required by the Merchant Marine Act, 1936, as amended. The Annual Report of the Maritime Administration (MARAD) is submitted in accordance with Section 208 of the Merchant Marine Act, 1936, as amended. It reviews the Agency's activities in administering Federal maritime programs, ...
  • USSR Report Transportation
    USSR Report: Transportation
    United States. Foreign Broadcast Information Service  ...
    1986-06-27 | PDF
    JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained.This serial re ...
  • Nondestructive inplace inspection of cable stays for the Mississippi River Bridge at Luling Louisiana final report
    Nondestructive, in-place inspection of cable stays for the Mississippi River Bridge at Luling, Louisiana : final report.
    Avasthi, Ajay S. ;
    Drake, Robert L.
    1986-06-01 | PDF
    This research report concerns a proposed technique for nondestructive inspection of cable stays for a cable-stayed bridge at Luling, Louisiana. The method proposed used acoustic transmission through the steel cables. The laboratory results shown herein establish the apparent feasibility of the method. Field measurement at the bridge from both ends ...
  • Improving materials and methods for installing inductive loop detectors final report
    Improving materials and methods for installing inductive loop detectors : final report.
    Johnston, Samuel A. ;
    Rudisil, Keith R.
    1986-06-01 | PDF
    This report is the final report of this research project. It describes a compiling of materials utilized by various agencies for use in formation of inductive loop detectors. It further lists methods by which different agencies install materials in order to obtain a resilient detection system. Tested were loop sealants, loop wire, preformed loops a ...
  • Medically Disqualified Airline Pilots 1986
    Medically Disqualified Airline Pilots [1986]
    Dark, Shirley J.
    1986-06-01 | PDF
    This study presents comprehensive data reflecting pertinent denial rates regarding the medical and general attributes of those airline pilots denied medical certification in calendar years 1983 and 1984. The overall annual denial rate of this group is 4.7 per 1,000 active airline pilots. Age-specific denial rates for airline pilots increase to the ...
  • The Flight Service Station Training Program 19811985
    The Flight Service Station Training Program: 1981–1985
    Convey, John J.
    1986-06-01 | PDF
    This report describes the performance of the ATC classes in the Flight Service Station Training Program 1981 to 1985 on the skills tests and laboratory exercises in Preflight (pilot briefing), Inflight, and Emergency Services. Over 80% of the final grade for the program is based on these measures. The average scores of the classes on the skills tes ...
  • Laboratory evaluation of flyash treated embankment and base materials interim report No 1
    Laboratory evaluation of flyash treated embankment and base materials : interim report No. 1.
    Melancon, James ;
    Mitcha,, Kim M.
    1986-06-01 | PDF
    This study was undertaken to provide the Louisiana DOTD with a data base from which decision-making information can be concerning the modification or stabilization of soils using flyash as a full or partial replacement for hydraulic cement or hydrated lime.This report deals with application to pavement bases only. It is further restricted to two so ...
  • Restoration of frictional characteristics on older Portland cement concrete pavement
    Restoration of frictional characteristics on older Portland cement concrete pavement.
    Marks, Vernon J.
    1986-06-01 | PDF
    Safety is a very important aspect o f the highway program. The Iowa DOTinitiated an inventory of the friction values of all paved primaryroadways i n 1969. This inventory, with an ASTM E-274 test unit, hascontinued to the present time. The t e s t i n g frequency varies based upontraffic volume and the previous friction value.
  • Investigation of earth borne vibrations due to highway traffic andor construction blasting final report
    Investigation of earth borne vibrations due to highway traffic and/or construction blasting : final report.
    Bokun, Steve G.
    1986-06-01 | PDF
    This study was undertaken to determine the magnitude of ground vibrations produced by traffic and/or construction blasting. Such information could provide a tool in defense of legal claims concerning physical damage to nearby properties. An engineering seismograph was used to collect vibration data at highway traffic model sites, elevated structure ...
  • Developing a Freeway Data Base Model
    Developing a Freeway Data Base Model
    Ritch, Gene P.
    1986-06-01 | PDF
    A microcomputer that communicates to traffic measuring devices (Golden River and TRIDAQS) via RS 232 port is equipped to emulate a 3278 workstation. Due to the emulation software and hardware type and the host computer program, data files could not be downloaded or uploaded. The mainframe's program was modified and a different emulation package emp ...
  • AirFlow Windows An Evaluation of Their Potential for Use in Arctic and SubArctic Environments
    Air-Flow Windows – An Evaluation of Their Potential for Use in Arctic and Sub-Arctic Environments
    Lemon, FL ;
    Meff, PW
    1986-06-01 | PDF
    A sample return-air window was tested in a guarded hot box to evaluate its performance under winter nighttime conditions with 100% of the air being returned to the occupied space. Predictions were then made of the window's performance under the same conditions when a fraction of the air was exhausted to the outside and the remainder mixed with make ...
  • Direct Satellite Communications Final Report 1986
    Direct Satellite Communications Final Report (1986)
    Hills, A.
    1986-06-01 | PDF
    Dramatic technological developments are expected to make mobile satellite service (MSS) available within a few years. This new service, which appears to have great potential for Alaska, will make it possible to communicate with radios which are installed in vehicles (mobiles) or radios that can be carried in backpacks (transportables) virtually any ...
  • Inhalation Toxicology VII Times to Incapacitation and Death for Rats Exposed Continuously to Atmospheric Acrolein Vapor
    Inhalation Toxicology: VII. Times to Incapacitation and Death for Rats Exposed Continuously to Atmospheric Acrolein Vapor
    Crane, Charles R. ;
    Sanders, Donald C.
    1986-05-01 | PDF
    Acrolein, an organic aldehyde (CH2=CH-CHO), is extremely irritating to the respiratory passages at very low concentrations. It is known to be present in the smoke from certain materials used in aircraft cabin interiors and could contribute, therefore, to an individual's failure to escape from a burning aircraft.In order to assess acrolein's ability ...
  • Evaluation of thin epoxy system overlays for concrete bridge decks interim report No 1
    Evaluation of thin epoxy system overlays for concrete bridge decks : interim report No. 1.
    Rasoulian, Masood ;
    Burnett, Carl
    1986-05-01 | PDF
    Four epoxy overlay systems were applied to concrete bridge decks in north Louisiana to evaluate their performance as skid resistant surfaces primarily and also as concrete sealers. Dural Flexolith, Poly-Carb Flexogrid, and Con/Chem Cono/Crete were placed on three separate bridge decks; sand and Dural epoxy were placed on the fourth deck. Skid tests ...
  • Sample Size and Accuracy of Highway Performance Monitoring System
    Sample Size and Accuracy of Highway Performance Monitoring System
    Memmott, Jeffery L.
    1986-05-01 | PDF
    The Highway Performance Monitoring System (HPMS) was developed by the Federal Highway Administration to collect sample data on the public highway system in the United States and to provide information to the U.S. Congress and others on the current status of the highway system and future needs. This report examines the procedure to calculate the sam ...
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