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    <title>Transport Research International Documentation (TRID)</title>
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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Transport Research International Documentation (TRID)</title>
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      <link>https://trid.trb.org/</link>
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    <item>
      <title>ENGINEERING PROPERTIES OF CORAL REEF MATERIALS</title>
      <link>https://trid.trb.org/View/120149</link>
      <description><![CDATA[TROPICAL CALCAREOUS EARTH MATERIALS DERIVED FROM CORAL REEFS MAY BE CLASSIFIED AS CORAL, LIMESTONE, AND CASCAJO. USING THIS CLASSIFICATION, THE ARTICLE SUGGESTS A BASIS FOR THE SYSTEMATIZATION OF KNOWLEDGE OF THE ENGINEERING PROPERTIES OF CORAL REEF MATERIALS. RESULTS OF TESTS ON A CASCAJO MATERIAL FROM GUAM SHOWED IT TO BE HIGHLY ADAPTABLE TO IMPROVEMENT BY THE ADDITION OF CEMENT. THREE PERCENT CEMENT MIXTURES HAD GOOD COMPRESSIVE STRENGTH AND HIGH RESISTANCE TO ALTERNATE WETTING AND DRYING.]]></description>
      <pubDate>Sun, 15 Aug 2004 02:34:17 GMT</pubDate>
      <guid>https://trid.trb.org/View/120149</guid>
    </item>
    <item>
      <title>SOIL MECHANICS: RESEARCH REPORT 1968</title>
      <link>https://trid.trb.org/View/119219</link>
      <description><![CDATA[DEFINITIONS OF THE SUBJECT OF SOIL MECHANICS VARY ALMOST AS MUCH (AND FOR THE SAME REASONS) AS THE DIVERSITY OF USES TO WHICH THE MATERIALS OF THE EARTH'S CRUST MAY BE APPLIED. THE TERM SOIL MECHANICS IS NOT RESTRICTED TO STUDIES OF SURFICIAL SOILS BUT MAY BE APPLIED EQUALLY TO DEEP SEDIMENTS AND TO ALMOST ALL TYPES OF ROCK MATERIALS. IN ONE SENSE AN APT DESCRIPTION OF SOIL MECHANICS MAY BE IN TERMS OF 'THE PHYSICS OF DISCRETE PARTICLE SYSTEMS', BUT IT IS EQUALLY APPROPRIATE TO ADOPT A MORE PRACTICAL DEFINITION AS FOLLOWS: 'SOIL MECHANICS IS THE APPLICATION OF THE LAWS OF MECHANICS AND HYDRAULICS AND THE RELEVANT PRINCIPLES OF THE BASIC NATURAL SCIENCES TO ENGINEERING PROBLEMS DEALING WITH ALL EARTHEN MATERIALS (INCLUDING FRACTURED OR JOINTED ROCKS AS WELL AS SEDIMENTS AND OTHER ACCUMULATIONS AND AGGLOMERATIONS OF SOLID PARTICLES PRODUCED BY WEATHERING OR OTHER PROCESSES OF ROCK DISINTEGRATION).' SOIL MECHANICS INCLUDES: (1) STUDIES OF THE MODES AND FREQUENCIES OF OCCURRENCE OF SPECIFIC EARTHEN MATERIALS, (2) STUDIES OF STRESSES IN EARTHEN MATERIALS AND THE CONSEQUENT BEHAVIOR OF THESE MATERIALS, (3) STUDIES OF THE INTRINSIC CHARACTERISTICS OF EARTHEN MATERIALS AS DETERMINANTS OF PATTERNS OF PHYSICAL BEHAVIOUR, (4) STUDIES OF PROCESSES OF CONTROLLING OR MODIFYING THE STRESS-STRAIN-TIME PROPERTIES OF SOILS TO SUIT ENGINEERING REQUIREMENTS. MOST STUDIES IN SOIL MECHANICS ARE ORIENTED TOWARDS CLEAR-CUT ENGINEERING OBJECTIVES. AS A SUMMARY OF THESE OBJECTIVES THE PURPOSE OF SOIL MECHANICS MAY BE DEFINED AS THAT OF PERMITTING ENGINEERS TO MAKE EFFICIENT AND SAFE USE OF THE NATURAL MATERIALS OF THE EARTH'S SURFACE FOR THE STRUCTURE AND PROJECTS RELEVANT TO THE PLACE AND TIME. THE PRINCIPAL FIELD OF APPLICATION OF SOIL MECHANICS IS IN CIVIL ENGINEERING BUT THE MINING ENGINEER IS MAKING PROGRESSIVELY GREATER USE OF THE SAME BASIC CONCEPTS AND METHODS OF INVESTIGATION. IN A RAPIDLY CHANGING TECHNOLOGICAL ENVIRONMENT--AS EXEMPLIFIED BY THE CURRENT PATTERN OF DEVELOPMENT IN AUSTRALIA--IT IS INEVITABLE THAT THERE MUST BE EQUALLY RAPID AND EQUALLY DRASTIC CHANGES IN THE HORIZONS OF SOIL MECHANICS. FROM TIME TO TIME THEREFORE, AND FROM PLACE TO PLACE, THE TERM SOIL MECHANICS MAY REQUIRE SUBSTANTIAL REDEFINITION AND REINTERPRETATION. THE SUBJECT OF ROCK MECHANICS REPRESENTS ONE SUCH EXTENSION OF THE BROAD FIELD OF SOIL MECHANICS: THE TOTAL FIELD IS INCLUDED WITHIN THE PROGRAMME OF THE DIVISION OF SOIL MECHANICS. /SCIR//]]></description>
      <pubDate>Sun, 15 Aug 2004 02:15:20 GMT</pubDate>
      <guid>https://trid.trb.org/View/119219</guid>
    </item>
    <item>
      <title>INTERNATIONAL SYMPOSIUM ON WAVE PROPAGATION AND DYNAMIC PROPERTIES OF EARTH MATERIALS, PRODEEDINGS</title>
      <link>https://trid.trb.org/View/119218</link>
      <description><![CDATA[INCLUDED IN THIS VOLUME ARE SEVENTY-FIVE CONTRIBUTIONS (TWENTY-ONE FROM FOREIGN COUNTRIES) TO THE INTERNATIONAL SYMPOSIUM. THE INFLUENCE OF THE DYNAMIC PROPERTIES OF EARTH MATERIALS ON THE SOLUTION OF SPECIFIC PROBLEMS IS CONSIDERED FROM TWO DIFFERENT CRITERIA: THE APPLICATION OF A LARGE NUMBER OF SMALL-AMPLITUDE STRESS CYCLES WHERE THE STRAIN, THE ACCELERATION, AND CONSEQUENTLY THE STRAIN RATE ARE VERY SMALL AND THE APPLICATION OF A SINGLE PULSE OF HIGH-STRESS INTENSITY WHERE A SHOCK WAVE IMPARTS LARGE STRAINS AND ACCELERATIONS AND CONSEQUENTLY A VERY HIGH STRAIN RATE TO THE EARTH MEDIUM. THE IMPORTANCE OF THE RELEVANT MATERIAL PROPERTIES FOR THESE TWO TYPES OF LOADING CONDITIONS FOR THE SOLUTION OF PRACTICAL PROBLEMS PERTAINING TO VIBRATORY MACHINE FOUNDATIONS, RADAR TOWER FOUNDATIONS, STABLE TEST PADS, AND EARTHQUAKE-RESISTANT STRUCTURES, AS WELL AS FOR VARIOUS OTHER PROBLEMS OF SHOCK AND VIBRATION ISOLATION, IS ALSO DISCUSSED. /AUTHOR/]]></description>
      <pubDate>Sun, 15 Aug 2004 02:15:18 GMT</pubDate>
      <guid>https://trid.trb.org/View/119218</guid>
    </item>
    <item>
      <title>TERRAIN EVALUATION FOR ENGINEERING</title>
      <link>https://trid.trb.org/View/119216</link>
      <description><![CDATA[A SUMMARY IS PRESENTED OF MATERIAL DESCRIBING THE DEVELOPMENT OF ENGINEERING INTEREST IN TERRAIN EVALUATION. IT IS CONCLUDED THAT THE ATTRIBUTES OF TERRAIN HAVE BEEN ADEQUATELY RECOGNIZED IN TERMS OF PHYSIOGRAPHY, EARTHEN MATERIALS, AND VEGETATION. THE LOGIC OF TERRAIN CLASSIFICATION AS AN INTEGRATED EXPRESSION OF THE SEVERAL TERRAIN ATTRIBUTES APPEARS TO BE WELL ESTABLISHED. THE STATEMENT OF A TERRAIN CLASSIFICATION FOR ENGINEERING APPEARS FEASIBLE AS A FRAMEWORK WITHIN WHICH TO RECORD ENGINEERING DATA AND EXPERIENCE. NO REAL ATTEMPTS HAVE BEEN MADE TO TEST THE VALIDITY OF A COMPLETE TERRAIN CLASSIFICATION FOR ENGINEERING. APPARENT CORRELATIONS HAVE BEEN DEMONSTRATED BETWEEN SOME QUANTITATIVE DATA OF ENGINEERING SIGNIFICANCE AND SOME TERRAIN ATTRIBUTES AND/OR SOME CATEGORIES IN A TERRAIN CLASSIFICATION. UNTIL THE PROCESS OF SCIENTIFIC EXAMINATION OF THE PROPOSED SYSTEM OF TERRAIN EVALUATION IS COMPLETED, IT MUST BE ACCEPTED THAT TERRAIN CLASSIFICATION CAN CONTRIBUTE VERY LITTLE TO ENGINEERING SCIENCE, ALTHOUGH IT MAY MAKE A MAJOR CONTRIBUTION TO THE ART OF ENGINEERING.]]></description>
      <pubDate>Sun, 15 Aug 2004 02:15:15 GMT</pubDate>
      <guid>https://trid.trb.org/View/119216</guid>
    </item>
    <item>
      <title>ELECTRICAL METHODS IN GEOPHYSICAL PROSPECTING</title>
      <link>https://trid.trb.org/View/119139</link>
      <description><![CDATA[THE BOOK IS ARRANGED UNDER THE FOLLOWING CHAPTER HEADINGS: (1) ELECTRICAL  PROPERTIES OF EARTH MATERIALS, (2) ELECTRICAL WELL LOGGING, (3) GALVANIC RESISTIVITY METHODS, (4) MAGNETO-TELLURIC RESISTIVITY METHOD, (5) TELLURIC CURRENT METHODS, (6) INDUCTION METHODS, AND (7) RADIO WAVE METHODS, AND INDUCED POLARIZATION. /RRL/ CURVES WHICH ARE BASED ON TESTS OF STANDARD SAMPLES. FROM 225LAMBDR LAMB DR]]></description>
      <pubDate>Sun, 15 Aug 2004 02:13:18 GMT</pubDate>
      <guid>https://trid.trb.org/View/119139</guid>
    </item>
    <item>
      <title>RADIOMETRIC DETERMINATION OF WATER IN NATURAL ROCK, CONCRETE PAVEMENTS</title>
      <link>https://trid.trb.org/View/118558</link>
      <description><![CDATA[THIS METHOD IS BASED ON THE SLOWING AND SCATTERING OF FAST NEUTRONS BY HYDROGEN. THE NUMBER OF SLOW NEUTRONS FORMING AROUND THE NEUTRON SOURCE IS A MEASURE OF THE WATER IN THE MATERIAL. THE APPARATUS USED CONSISTS OF A 5 MC RADIUM- BERYLLIUM OR POLONTIUM-BERYLLIUM NEUTRON SOURCE WITH FLUX D. 10 EXPONENT 5 MINUS 10 EXPONENT 6 NEUTRONS/SEC. THE SLOW- NEUTRON DETECTOR IS A BORON TRI-FLUORIDE COUNTING TUBE. ALL SUBSTANCES INVESTIGATED GIVE A SINGLE CHARACTERISTICS CURVE FOR VOLUME PERCENTAGE OF WATER VS PULSE RATE, WHICH DIFFERS FROM THAT OF LOAM OR LOESS. THE MINIMUM THICKNESS OF SAMPLE IS 20 CM. FOR A MATERIAL CONTAINING 17G WATER /100 CC. AND 30 CM. FOR 2.4G WATER/ 100 CC. THE MEASUREMENT TAKES 10 MINUTES AND THE METHOD IS SUITABLE FOR SAND, GRAVEL, MACADAM, FRESH CONCRETE, AND EARTH.]]></description>
      <pubDate>Sun, 15 Aug 2004 01:58:30 GMT</pubDate>
      <guid>https://trid.trb.org/View/118558</guid>
    </item>
    <item>
      <title>ENGINEERING GEOPHYSICS: ITS USE AND ABUSE</title>
      <link>https://trid.trb.org/View/118243</link>
      <description><![CDATA[THE ENGINEERING GEOPHYSICS TOOLS OF EARTH ELECTRICAL RESISTIVITY MEASUREMENT AND REFRACTION SEISMIC METHODS ARE DESCRIBED AND DISCUSSED. THE ELECTRICAL RESISTIVITY METHOD MEASURES VARIATIONS IN THE ELECTRICAL RESISTANCE OF THE VARIOUS EARTH MATERIALS ENCOUNTERED IN THE TRAVERSE. THIS RESISTANCE IS LARGELY DEPENDENT UPON THE AMOUNT AND SALINITY OF THE CONTAINED WATER. TO MAKE THIS MEASUREMENT, FOUR ELECTRODES ARE PLACED IN THE EARTH AND CURRENT IS CAUSED TO FLOW BETWEEN TWO OUTER ELECTRODES PAST TWO INNER ELECTRODES, FROM WHERE A POSSIBLE VOLTAGE DROP IS MEASURED. WHEN THERE IS NO ELECTRICAL CONTRAST BETWEEN MATERIALS, THE ELECTRICAL RESISTIVITY METHOD IS INAPPLICABLE. WHEN THIS IS THE CASE, A SEISMIC VELOCITY USUALLY EXISTS. AN ENGINEERING SEISMOGRAPH MAY THEN BE USED. SEISMIC TOOLS ARE DISCUSSED. OSCILLOGRAPHIC RECORDS FOR RECORDING SEISMIC INVESTIGATIONS ARE DESCRIBED. ATTEMPT IS BEING MADE TO DEFINE A SET OF STANDARD WAVE FORMS TO BE USED FOR NON-DESTRUCTIVE TESTING AND IDENTIFICATION OF SUBSURFACE EARTH MATERIALS. IT WAS FOUND THAT THE WAVE FORMS PRODUCED BY ANY GIVEN MATERIAL DEPENDED FOR ITS SIZE AND SHAPE UPON MANY VARIABLES. THE ORIENTATION OF THE GEOPHONE PICKUP WAS CRITICAL TO THE WAVE FORM. AMPLIFICATION LEVEL, GEOPHONE, OSCILLOSCOPE TIME SCALE, ETC. ARE SOME OF THE VARIABLES. SEISMIC WAVE FORMS DEPEND UPON MANY FACTORS, OF WHICH THE IDENTIFY OF THE MATERIAL IN THE REFRACTING LAYER IS ONE OF THE LEAST IMPORTANT. THE TWO MOST IMPORTANT ARE THE CHARACTERISTICS OF SOURCE AND WHETHER THE SEISMIC WAVE HAS TRAVELED ALONG A DIRECT PATH TO THE GEOPHONE OR HAS BEEN REFRACTED IN SOME KIND OF SUBSURFACE LAYER. ABSORPTION OF HIGH FREQUENCIES ALONG THE PATH ALSO INFLUENCES SEISMIC WAVE FORMS. EVEN THOUGH THE SUBSURFACE MATERIAL IS CONSISTENT, THE SEISMIC WAVE FORMS MAY VARY ACCORDING TO THE IMPACT SOURCE.]]></description>
      <pubDate>Sun, 15 Aug 2004 01:50:39 GMT</pubDate>
      <guid>https://trid.trb.org/View/118243</guid>
    </item>
    <item>
      <title>RESEARCH PROBLEM STATEMENTS: DESIGN AND CONSTRUCTION OF TRANSPORTATION FACILITIES</title>
      <link>https://trid.trb.org/View/468026</link>
      <description><![CDATA[This circular contains 173 research problem statements developed by 40 committees of the Transportation Research Board's Group 2 Council.  While the problem statements have been assigned a number and arranged within categories by alphanumeric designation of contributing committees, this arrangement does not establish recommended priorities within categories.  The ordering of statements under individual committee listings does reflect that committee's priorities if indicated.  The overall organization of the research problem statements is as follows: Section A - General Design - Geometrics and Safety -- 9 statements; Section B - Pavement Design and Performance -- 2 statements; Section C - Structures - Bridges, Culverts, and Tunnels -- 15 statements; Section D - Asphalt Concrete Mixes -- 18 statements; Section E - Concrete Mixtures and Usage -- 10 statements; Section F - Construction and Rehabilitation -- 23 statements; Section J - Geomaterials Stabilization and Aggregates -- 8 statements; Section K - Soil Mechanics -- 42 statements; Section L - Geology and Properties of Earth Materials -- 26 statements; and Section M - Railway Systems -- 20 statements.]]></description>
      <pubDate>Mon, 25 Nov 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/468026</guid>
    </item>
    <item>
      <title>LANDSLIDES: INVESTIGATION AND MITIGATION. CHAPTER 1 - INTRODUCTION</title>
      <link>https://trid.trb.org/View/462499</link>
      <description><![CDATA[This chapter provides an introduction to TRB Special Report 247. It begins by pointing out that, in the years since the last landslides volume was published (TRB Special Report 176, 1978), there have been many advances in the way landslide investigation and mitigation are conducted.  Chief among these advances are the advent of the personal computer, the availability of new geotextile products, and new understandings of the behavior of earth materials.  Personal computers have allowed numerical stability analysis methods to become commonplace; the use of geotextiles presents options for better and more economical mitigation procedures; and the improved methods for field investigations coupled with new understanding of landslide processes supply better data and concepts to the landslide analysis process.  However, landslide investigation and mitigation have been even more greatly affected by the imposition of environmental regulations and economic considerations.  This chapter continues with a description of the report's intended audience, the provision of a definition for the term "landslide", historical information concerning landslides, and a brief overview of the report.]]></description>
      <pubDate>Thu, 06 Jun 1996 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/462499</guid>
    </item>
    <item>
      <title>THE FORCES ON RIGID CULVERTS UNDER HIGH FILLS</title>
      <link>https://trid.trb.org/View/124647</link>
      <description><![CDATA[THE FORCES ACTING ON THE BARREL OF A RIGID CULVERT DUE TO THE DEAD LOAD OF A HIGH FILL DEPEND UPON THE CONSTRUCTION METHOD, THE PRESENCE OF HETEROGENEOUS INCLUSIONS OR ORGANIC MATERIAL, THE MATERIAL OF THE EARTHS CRUST, THE FILL PROPERTIES AND FILL AND CULVERT GEOMETRIES. THESE FEATURES ARE ACCOUNTED FOR BY THE FINITE-ELEMENT METHOD FOR OBTAINING APPROXIMATE SOLUTIONS TO LINEAR ELASTICITY PROBLEMS. THE ANALYTICAL METHODS ARE APPLIED TO AN ACTUAL EMBANKMENT OVER A RIGID CULVERT, THE BARREL OF WHICH WAS INSTRUMENTED WITH PRESSURE METERS. THE ANALYTICAL RESULTS FOR TWO CONDITIONS OF THE EARTHS CRUST, VARIOUS FILL PROPERTIES AND FOR A HAY BLOCK DELIBERATELY PLACED ABOVE THE CROWN OF THE CULVERT /AS IN THE ACTUAL CONSTRUCTION/ ARE COMPARED WITH THE RECORDED PRESSURES. IT IS CONCLUDED THAT GIVEN A PROPER DESCRIPTION OF THE MATERIAL PROPERTIES, IN PARTICULAR THE RATIO OF FILL HAY MODULUS, AN ACCURATE DISTRIBUTION OF BARREL PRESSURE MAY BE OBTAINED. /AUTHOR/]]></description>
      <pubDate>Mon, 12 Dec 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/124647</guid>
    </item>
    <item>
      <title>A METHOD OF MEASURING EARTH RESISTIVITY</title>
      <link>https://trid.trb.org/View/124787</link>
      <description><![CDATA[A METHOD IS PRESENTED FOR MEASURING EARTH RESISTIVITY (OR SPECIFIC RESISTANCE) WHICH MAY BE OF VALUE IN DETERMINING EARTH COMPOSITION SUCH AS MOISTURE CONTENT, MATERIALS OF HIGH CONDUCTIVITY, OR IN THE CALCULATION OR MITIGATION OF DAMAGES TO PIPE SYSTEMS BY ELECTROLYSIS. FOUR UNIFORMLY SPACED HOLES ARE MADE IN THE EARTH IN AN APPROXIMATELY STRAIGHT LINE. IN EACH HOLE IS PLACED AN ELECTRODE, WHICH MAKES ELECTRICAL CONTACT WITH THE EARTH ONLY NEAR THE BOTTOM. THIS CONSTITUTES A FOUR-TERMINAL CONDUCTOR THE RESISTANCE OF WHICH DEPENDS UPON THE DISTANCE BETWEEN THE ELECTRODES AND THE RESISTIVITY. BY MEASUREMENT OF THE DEPTH OF THE HOLES, THE DISTANCE BETWEEN THEM, AND THE RESISTANCE, DATA ARE OBTAINED FROM WHICH THE EFFECTIVE RESISTIVITY IN THE VICINITY CAN BE CALCULATED. THE EQUATIONS ARE DERIVED FOR THIS RELATIONSHIP. USE OF THE METHOD IS DEMONSTRATED AND IT IS INDICATED THAT SUCH A MEASUREMENT MIGHT BE OF ASSISTANCE IN LOCATING DEPOSITS OF ORE OF HIGH CONDUCTIVITY.]]></description>
      <pubDate>Fri, 12 Aug 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/124787</guid>
    </item>
    <item>
      <title>GENERAL COURSE FOR HIGHWAY INSPECTORS</title>
      <link>https://trid.trb.org/View/90889</link>
      <description><![CDATA[CONTENTS: INTRODUCTION EARTH MATERIALS STRENGTH & STABILITY GRADING DRAINAGE BITUMINOUS MATERIALS & MIXTURES PORTLAND CEMENT-CONCRETE STRUCTURES TRAFFIC SAFETY & HIGHWAY APPURTENANCES]]></description>
      <pubDate>Thu, 11 Aug 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/90889</guid>
    </item>
    <item>
      <title>EARTH MATERIALS FOR LOW-BACKGROUND RADIATION SHIELDING</title>
      <link>https://trid.trb.org/View/108152</link>
      <description><![CDATA[A SEARCH WAS CONDUCTED FOR MATERIALS FOR CONSTRUCTION OF A LOW-BACKGROUND COUNTING-ROOM ENCLOSURE AT THE LAWRENCE RADIATION LABORATORY, UNIVERSITY OF CALIFORNIA, BERKELEY. GAMMA-RAY SPECTROGRAPHIC ANALYSES OF SOURCES OF CONCRETE AGGREGATES IN CENTRAL CALIFORNIA INDICATED THAT ULTRAMAFIC ROCKS ARE BEST SUITED FOR USE AS LOW-BACKGROUND AGGREGATES.]]></description>
      <pubDate>Thu, 28 Apr 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/108152</guid>
    </item>
    <item>
      <title>RESEARCH PROBLEM STATEMENTS: DESIGN AND CONSTRUCTION OF TRANSPORTATION FACILITIES</title>
      <link>https://trid.trb.org/View/383274</link>
      <description><![CDATA[This circular contains 229 research problem statements developed by 44 committees of the Transportation Research Board's Group 2 Council.  While the problem statements have been assigned a number and arranged within categories by alphanumeric designation of contributing committees, this arrangement does not establish recommended priorities within categories.  The ordering of statements under individual committee listings does reflect that committee's priorities if indicated.  The overall organization of the research problem statements is as follows: Section A - General Design - Geometrics and Safety -- 37 statements; Section B - Pavement Design and Performance -- 14 statements; Section C - Structures - Bridges, Culverts, and Tunnels -- 31 statements; Section D - Asphalt Concrete Mixes -- 7 statements; Section E - Concrete Mixtures and Usage -- 7 statements; Section F - Construction and Rehabilitation -- 14 statements; Section H - Evaluation Systems and Aggregates -- 4 statements; Section J - Geomaterials Stabilization -- 6 statements; Section K - Soil Mechanics -- 51 statements; Section L - Geology and Properties of Earth Materials -- 23 statements; and Section M - Railway Systems -- 35 statements.]]></description>
      <pubDate>Mon, 15 Nov 1993 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/383274</guid>
    </item>
    <item>
      <title>TELEMATICS AND INTEGRAL LOGISTIC CONTROL</title>
      <link>https://trid.trb.org/View/359218</link>
      <description><![CDATA[Since the beginning of the eighties the emerging importance of Information Systems and Telecommunications (IST) became obvious for almost all sectors of industry and for the transportation sector in particular, many initiatives have been set up to facilitate the intercompany information flow. This article focuses on logistical information and its importance to logistical control.  This is done by exploring the relation between logistic organisation and its requirements for IST and also by looking at the possiblities improved information yields for logistic organisation. General logistic trends with shippers and transportation companies are described as well as the evolving new relations between those.  It is concluded that both lead to the production of more data and to a necessity for more information about the processes of trading parties in the logistical chain.  Together with the trend toward integral logistical control, the use of logistical information systems is imperative.  Advantages of the use of ITS and general fields of application in logistics are given, illustrated with examples.  A discussion is started about the issue of obtaining control over the trading parties' logistical processes by means of advanced EDI (Electronic Data Interchange).  It is concluded that EDI mainly will be a matter of co-operation, but also of power.  In particular small and medium enterprises will have to co-operate at least in the field of IST, but probably also withrespect to their core business in order to be able to compete with their more powerful counterparts.  Some future research topics to stimulate further use of EDI are identified. (Author/TRRL)]]></description>
      <pubDate>Sat, 31 Aug 1991 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/359218</guid>
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