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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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    <item>
      <title>A NEW METHOD OF PREPARING AND MANUFACTURING BITUMINOUS MIXTURE /IN GERMAN/</title>
      <link>https://trid.trb.org/View/101084</link>
      <description><![CDATA[DETAILS ARE GIVEN OF THE WIBAU METHOD AND PLANT FOR THE DUST-FREE MANUFACTURE OF HOT BITUMINOUS MIXTURE. THIS CONSISTS IN TREATING THE PROPORTIONED, COLD, AND GENERALLY MOIST AGGREGATES WITH AN ADDITIVE, "ADHISTAB", AND THE HOT- FLOWING BINDER, HOMOGENIZING IT IN A WHIRLING MIXER AND CHANGING IT INTO A FULLY-VALID HOT MIXTURE, AS IS PROVED BY TESTS. /FG/RRL/]]></description>
      <pubDate>Fri, 04 Mar 1994 00:00:00 GMT</pubDate>
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    <item>
      <title>SAFETY ASPECT OF EARTHWORKS /GERMAN/</title>
      <link>https://trid.trb.org/View/123876</link>
      <description><![CDATA[THE SAFETY ASPECTS OF EARTHWORKS ARE CONSIDERED AND IT IS CONCLUDED THAT THE STABILITY OF VARIOUS SOIL TYPES IS OFTEN GREATLY OVERESTIMATED. /RRL/]]></description>
      <pubDate>Tue, 16 Mar 1971 00:00:00 GMT</pubDate>
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    <item>
      <title>THE INFLUENCE OF THAWING SALTS ON THE MECHANICAL PROPERTIES OF BITUMINOUS MIXTURE SAMPLES /IN GERMAN/</title>
      <link>https://trid.trb.org/View/101083</link>
      <description><![CDATA[TESTS WERE CARRIED OUT ON SIMILARLY PRODUCED MARSHALL SAMPLES OF FINE ASPHALTIC CONCRETE RICH IN CHIPPINGS, THE POROSITY OF WHICH HAD BEEN BROUGHT ABOUT BY HAMMER COMPACTION. THREE SAMPLES WERE STORED IN AIR, THREE IN DISTILLED WATER, AND THREE IN HALF-SATURATED, AND THREE IN SATURATED, THAWING SALT SOLUTION, NACL, AND ALL WERE SUBJECTED TO WET-DRY AND FREEZING-THAWING CYCLES. VARIOUS POSITIVE AND NEGATIVE INFLUENCES ON THE VOLUME AND STABILITY WERE DETERMINED, WHICH SHOWED THAT THAWING-SALTS ONLY CAUSE DAMAGE TO OPEN-TEXTURED SURFACINGS. /FG/RRL/]]></description>
      <pubDate>Fri, 12 Feb 1971 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/101083</guid>
    </item>
    <item>
      <title>THE PROPERTIES OF BITUMINOUS MIXTURES MANUFACTURED WITH RC-2 /IN GERMAN/</title>
      <link>https://trid.trb.org/View/101067</link>
      <description><![CDATA[EXTENSIVE PRACTICAL AND LABORATORY TESTS WERE CARRIED OUT IN SAUDI ARABIA WITH RC-2 AND GRAVEL-SAND AND GRAVEL-CHIPPINGS MIXTURES; IT WAS FOUND THAT STABILITY AND FLOW VALUE ARE INFLUENCED BY THE MIXING TEMPERATURE AND DURATION AND ALSO PLACEMENT TIME, AS WELL AS BY THE MIX DESIGN. /FG/RRL/]]></description>
      <pubDate>Mon, 28 Sep 1970 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/101067</guid>
    </item>
    <item>
      <title>ACCEPTANCE GUARANTEE AND SETTLING OF ACCOUNTS WITH REGARD TO BITUMINOUS ROAD SURFACES /IN GERMAN/</title>
      <link>https://trid.trb.org/View/102624</link>
      <description><![CDATA[TV BIT 7/64 SPECIFICATIONS NEED REVISION, AND IN THE FUTURE A DISTINCTION SHOULD BE MADE BETWEEN "DEVIATIONS FROM CONTRACT", WHICH MAY EFFECT AN IMPROVEMENT, AND "ESSENTIAL DEFECTS", WHICH ONLY OCCURS IF THERE IS A DECREASE IN QUALITY. IT IS ALSO SUGGESTED THAT GUARANTIES BE LIMITED TO 3 YEARS. /FG/RRL/]]></description>
      <pubDate>Mon, 21 Sep 1970 00:00:00 GMT</pubDate>
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    </item>
    <item>
      <title>NEW FACTS REGARDING THE PLACEMENT AND COMPACTION OF BITUMINOUS SURFACINGS IN THICK LAYERS /IN GERMAN/</title>
      <link>https://trid.trb.org/View/97003</link>
      <description><![CDATA[IRREGULARITIES OF THE FORMATION CAUSE VARYING SURFACE THICKNESS AND SETTLEMENTS DURING COMPACTION. THICK LAYERS THEREFORE NEED A PARTICULARLY HIGH INITIAL COMPACTION DURING APPLICATION, AS CAN BE ATTAINED USING COMBINED TAMPING VIBRATING BEAMS AND HEATED VIBRATING BEAMS (WITH TAMPING AMPLITUDE VARIABLE BETWEEN 2, 4 OR 7 MM, OR WITH ADJUSTABLE TAMPING AND VIBRATION FREQUENCY) - FOR EXAMPLE THE TITAN OF ABG. ACCORDINGLY 4-5 PASSES ARE SUFFICIENT WITH A HEAVY VIBRATORY ROLLER. ELECTRONIC LEVELLING DEVICES CAN EVEN MAINTAIN PERFECT CONTROL OVER GREATLY VARYING PLACEMENT THICKNESSES. /FG/RRL/]]></description>
      <pubDate>Wed, 26 Aug 1970 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/97003</guid>
    </item>
    <item>
      <title>SIGNIFICANCE AND PROBLEMS OF SOIL COMPACTION IN ROAD CONSTRUCTION (IN GERMAN)</title>
      <link>https://trid.trb.org/View/118443</link>
      <description><![CDATA[WATER CONTENT AND COMPACTION EFFORT DETERMINE THE EFFECT OF THE COMPACTION; LESSER WATER CONTENTS AND GREATER COMPACTION EFFORTS RESULT IN HIGHER DRY DENSITIES. NON- COHESIVE SOILS ARE COMPACTED BY VIBRATORY MACHINES; THEIR EFFICIENCY IS AT ITS GREATEST AT ABOUT 15 CM. DEEP, BUT NIL ON THE SURFACE. FOR THE COMPACTION OF GRAVELLY SAND WITHIN A 20-50 CM. THICK FROST BLANKET COURSE ON A YIELDING BASE LIGHTER MACHINES ARE BETTER THAN HEAVY ONES, WHILE FOR ROCK FILLING EXTREMELY HIGH COMPACTION FORCES ARE NECESSARY. /FG/ RRL/]]></description>
      <pubDate>Mon, 22 Jun 1970 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/118443</guid>
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    <item>
      <title>NEW METHODS OF MAINTAINING BLACK-TOP ROADS /IN GERMAN/</title>
      <link>https://trid.trb.org/View/107472</link>
      <description><![CDATA[A MACHINE IS DESCRIBED WHICH COMBINES ALL THE STEPS NECESSARY TO REPAIR DAMAGE ON BLACK-TOP ROADS, THUS PROVIDING A QUICKER, MORE ECONOMICAL WORKING METHOD WHICH ALSO CAUSES LESS TRAFFIC CONGESTION DURING ITS APPLICATION. /RRL/]]></description>
      <pubDate>Mon, 02 Mar 1970 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/107472</guid>
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