<rss version="2.0" xmlns:atom="https://www.w3.org/2005/Atom">
  <channel>
    <title>Transport Research International Documentation (TRID)</title>
    <link>https://trid.trb.org/</link>
    <atom:link href="https://trid.trb.org/Record/RSS?s=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" rel="self" type="application/rss+xml" />
    <description></description>
    <language>en-us</language>
    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
    <image>
      <title>Transport Research International Documentation (TRID)</title>
      <url>https://trid.trb.org/Images/PageHeader-wTitle.jpg</url>
      <link>https://trid.trb.org/</link>
    </image>
    <item>
      <title>Western Australia's longest road bridge</title>
      <link>https://trid.trb.org/View/1190112</link>
      <description><![CDATA[]]></description>
      <pubDate>Fri, 24 Aug 2012 11:06:12 GMT</pubDate>
      <guid>https://trid.trb.org/View/1190112</guid>
    </item>
    <item>
      <title>EFFECT OF PEENING AND GRINDING ON THE FATIGUE STRENGTH OF FILLET WELDED JOINTS</title>
      <link>https://trid.trb.org/View/106831</link>
      <description><![CDATA[DETAILS OF FATIGUE TESTS CARRIED OUT ON SPECIMENS CONTAINING LONGITUDINAL AND TRANSVERSE NON-LOAD-CARRYING FILLET WELDED JOINTS WHICH HAD BEEN EITHER GROUND OR HAMMER PEENED ARE REPORTED. BOTH TYPES OF TREATMENT RESULTED IN CONSIDERABLE INCREASES IN FATIGUE STRENGTH. THE INCREASE DUE TO GRINDING WAS APPROXIMATELY INDEPENDENT OF LIFE OVER THE ENDURANCE RANGE CONSIDERED, BUT THAT RESULTING FROM PEENING WAS DEPENDENT ON LIFE. AS A GENERAL RULE, IT MAY BE CONCLUDED THAT FOR STRUCTURES SUBJECTED TO HIGH STRESSES AND A RELATIVELY SMALL NUMBER OF CYCLES, IT IS MORE BENEFICIAL TO USE GRINDING THAN PEENING AS AN IMPROVEMENT TECHNIQUE, BUT FOR STRUCTURES SUBJECTED TO A LARGE NUMBER OF CYCLES OF LOWER STRESS IT IS BETTER TO USE PEENING. BY THE USE OF GRINDING AND PEENING COMBINED, A FATIGUE STRENGTH EQUIVALENT TO THAT OF THE PARENT MATERIAL CAN BE OBTAINED FOR A FILLET WELDED JOINT IN MILD STEEL. /AUTHOR/]]></description>
      <pubDate>Mon, 25 Aug 2003 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/106831</guid>
    </item>
    <item>
      <title>THE INLFUENCE OF WELD DEFECTS ON THE FATIGUE BEHAVIOR OF WELDED CONSTRUCTION</title>
      <link>https://trid.trb.org/View/106540</link>
      <description><![CDATA[WELD DEFECTS GIVE RISE TO BOTH TECHNICAL AND ECONOMIC PROBLEMS. WITH MODERN TESTING TECHNIQUES THE TYPE AND LOCATION OF SUCH DEFECTS CAN BE DEFINED. SYSTEMATICALLY COMPILED CATALOGUES OF SUCH DEFECTS ARE AVAILABLE. THE EVALUATION OF THE EFFECTS OF SUCH FAULTS WHEN RELATED TO THE FATIGUE STRENGTH OF WELDED JOINTS, TAKING INTO ACCOUNT LOAD AND SAFETY FACTORS AND THE ECONOMIC CONSIDERATIONS INVOLVED, CAN ONLY BE ASCERTAINED BY ACTUAL TESTING OPERATIONS. THIS IN TURN MEANS THAT ONLY A SUBJECTIVE EVALUATION CAN BE MADE. IN VIEW OF THIS, AN ATTEMPT HAS BEEN MADE TO LAY DOWN STANDARD VALUES IN RESPECT TO REDUCTIONS IN FATIGUE STRENGTH CAUSED BY SUCH DEFECTS, TAKING INTO CONSIDERATION THE VARIOUS INFLUENCING FACTORS INVOLVED. THE PRIMARY AIM IS TO PROVIDE DESIGNERS AND INSPECTION AUTHORITIES WITH A BASIS FOR EVALUATING SUCH DEFECTS. /AUTHOR/]]></description>
      <pubDate>Sun, 15 Jun 2003 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/106540</guid>
    </item>
    <item>
      <title>VARIABLE STRESS CYCLE FATIGUE OF LARGE BUTT-WELDED SPECIMENS</title>
      <link>https://trid.trb.org/View/98119</link>
      <description><![CDATA[AN EXPERIMENTAL INVESTIGATION WAS CONDUCTED TO SHOW ON LARGER-THAN-LABORATORY SIZE SPECIMENS WHETHER OR NOT IT IS POSSIBLE TO INFLUENCE THE ENDURANCE LIMIT OF A WELDED STRUCTURAL JOINT BY IMPOSING VARIOUS STRESS CYCLES PRIOR TO OR DURING ZERO-TENSION FATIGUE TESTING. THESE INCLUDED PRESTRESSING AND COAXING AS WELL AS IMPOSING TO SPECIMENS A GIVEN VARIABLE STRESS CYCLIC FATIGUE PROGRAM. SUCH VARIABLES ARE THOUGHT BY SOME TO REDUCE STRESS CONCENTRATIONS AND RESIDUAL STRESSES DUE TO WELDING WHILE OTHERS BELIEVE THEM TO BE DETRIMENTAL. FATIGUE TESTS ON THREE TYPES OF A373 STEEL SPECIMENS WERE CONDUCTED TO ESTABLISH S-N CURVES UNDER ZERO-TENSION CYCLIC STRESS AMPLITUDES BASED ON RESULTS OF RUPTURES IN 100,000 AND TWO MILLION CYCLES. THE THREE TYPES OF SAMPLES TESTED WERE' PLAIN PLATES, TRASVERSELY-WELDED PLATES WITH THE WELD REINFORCEMENT GROUND OFF, AND AS-WELDED PLATES. PRESTRESSING TESTS WERE PERFORMED ON AS-WELDED SPECIMENS AND ON WELDED SPECIMENS WITH REINFORCEMENTS REMOVED. IT WAS FOUND THAT PRESTRESSING GENERALLY IMPROVED THE FATIGUE LIFE OF THE SPECIMEN. THE STEPWISE INCREASE OF STRESSES, OR COAXING FROM BELOW ENDURANCE LIMIT, WAS CARRIED OUT TO INCLUDE A STUDY OF THE FATIGUE STRESS HISTORY AND CUMULATIVE DAMAGE. SOME PATTERNS OF STRESS HISTORIES RESULTED IN NOTED IMPROVEMENTS IN FATIGUE LIFE.]]></description>
      <pubDate>Thu, 15 Sep 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/98119</guid>
    </item>
    <item>
      <title>DISCUSSION ON THE EFFECTS OF FLAME CAMBERING ON THE BENDING STRENGTH OF I-BEAMS</title>
      <link>https://trid.trb.org/View/98105</link>
      <description><![CDATA[THE DISCUSSION CONCERNS THE AUTHORS CONCLUSIONS THAT FLAME CAMBERING OF BEAMS REDUCES BEAM STRENGTH BY 20 OR 30 PERCENT, DEPENDING UPON THE PROCEDURE FOLLOWED, AND THAT STRUCTURES USING FLAME CAMBERED MEMBERS CANNOT BE DESIGNED ON THE BASIS OF VIRGIN MATERIAL PROPERTIES. REFERENCES: THE EFFECTS OF FLAME CAMBERING ON THE BENDING STRENGTH OF I-BEAMS, T. W. CROOKER AND H. L. HARRISON, WELDING JOURNAL, PP 445-S TO 548-S, DECEMBER 1965.]]></description>
      <pubDate>Thu, 21 Jul 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/98105</guid>
    </item>
    <item>
      <title>CORROSION TESTS ON METALLIZED COATED STEEL-10 YEAR REPORT</title>
      <link>https://trid.trb.org/View/106551</link>
      <description><![CDATA[THE RESULTS OF A 10 YEAR INSPECTION OF METALLIZED COATED STEEL PANELS INDICATE SIGNIFICANTLY THE CORROSION PROTECTION LIFE OF SOME TYPES AND THICKNESSES OF METALLIZED COATINGS UNDER NUMEROUS ENVIRONMENTAL CONDITIONS. ALL ALUMINUM COATINGS, SEALED OR UNSEALED, IN ALL ENVIRONMENTS ARE STILL PROVIDING THE STEEL WITH ADEQUATE PROTECTION AGAINST CORROSION. THE MAJORITY OF 0.003 IN. THICK ZINC COATINGS EXPOSED TO THE ATMOSPHERE HAVE FAILED AS HAVE 0.003, 0.006 AND 0.009 IN. THICK ZINC COATINGS WHICH WERE EXPOSED TO SEA WATER IMMERSION ENVIRONMENTS. /AUTHOR/]]></description>
      <pubDate>Wed, 15 Jun 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/106551</guid>
    </item>
    <item>
      <title>ARC WELDING OF WEATHERING STEELS</title>
      <link>https://trid.trb.org/View/98382</link>
      <description><![CDATA[BECAUSE OF THE INCREASED USE OF WEATHERING STEELS IN THE UNPAINTED CONDITION IN WELDED STRUCTURES, THERE HAS BEEN CONSIDERABLE INTEREST IN THE WEATHERING APPEARANCE OF THE WELD AND BASE METAL. ATMOSPHERIC EXPOSURE SPECIMENS WERE PREPARED USING A NUMBER OF COMMERCIAL ELECTRODES. THE RESULTS AFTER TWO YEARS OF EXPOSURE ARE PRESENTED. CLOSE MATCHING OF WELD DEPOSIT AND BASE METAL COMPOSITIONS RESULT IN UNIFORMITY OF COLOR THROUGHOUT THE EXPOSURE PERIOD. AN EVALUATION TO DEVELOP A SUBMERGED-ARC WELDING PROCEDURE THAT PROVIDES A WELD DEPOSIT OF A SIMILAR COMPOSITION TO THAT OF THE BASE PLATE IS DESCRIBED. FINALLY, A WELDABILITY STUDY ON A NEW HIGHER STRENGTH VANADIUM-MODIFIED WEATHERING STEEL WAS CONDUCTED TO DETERMINE PROPER WELDING RECOMMENDATIONS FOR THIS GRADE. /AUTHOR/]]></description>
      <pubDate>Thu, 19 May 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/98382</guid>
    </item>
    <item>
      <title>HIGH-PERFORMANCE STEELS FOR AMERICA'S BRIDGES</title>
      <link>https://trid.trb.org/View/389721</link>
      <description><![CDATA[The challenges to extensive and efficient use of high-performance steel in bridges and other structures include deflection, vibration, compression stability and fatigue limit states. Changes in the form of individual members, the overall configuration of the structural system, and the method of construction may be required to overcome some of these challenges. The increase in reliability accrued from the remarkable toughness and ductility of these steels could be used to justify designs which are less redundant but are simple and economical.]]></description>
      <pubDate>Mon, 11 Apr 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/389721</guid>
    </item>
    <item>
      <title>LASER BEAM WELDING ELECTRONIC-COMPONENT LEADS</title>
      <link>https://trid.trb.org/View/106536</link>
      <description><![CDATA[THE FEASIBILITY OF USING THE LIGHT BEAM FROM A LASER FOR MAKING FUSION WELDS WAS STUDIED. THESE WELDS WERE TO BE APPLICABLE TO JOINING ELECTRONIC-COMPONENT LEADS. CROSS-WIRE , CROSS-RIBBON, PARALLEL WIRE JOINTS, AND OTHER JOINT DESIGNS, ALL USING NICKEL WIRE AND RIBBON WERE TESTED. WELDS WERE EVALUATED BY VISUAL AND METALLOGRAPHIC EXAMINATION AND THE JOINT STRENGTH OF PARALLEL WIRE WELDS WAS DETERMINED. THE DIFFERENCES BETWEEN LASER WELDING AND RESISTANCE CROSS- WIRE WELDING WERE DISCUSSED. THE EFFECT OF THESE DIFFERENCES ON THE DESIGN OF WELDING ELECTRONIC CIRCUITY IS POINTED OUT . IT IS SUGGESTED THAT OTHER DESIGNS MORE SUITABLE FOR LASER WELDING BE DEVELOPED.]]></description>
      <pubDate>Sun, 20 Feb 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/106536</guid>
    </item>
    <item>
      <title>FABRICATING STEEL THAT PAINTS ITSELF</title>
      <link>https://trid.trb.org/View/106531</link>
      <description><![CDATA[AN EXPOSED STEEL THAT PAINTS ITSELF WAS FIRST EMPLOYED TO FRAME A HUGE SKYROOF BETWEEN TWO PARALLEL SIX-STORY BUILDINGS AT THE BELL TELEPHONE LABORATORIES DEVELOPMENT CENTER IN HOLMDEL, N. J. THE SPECIALITY STEEL, MAYARI R WEATHERING STEEL, WAS SPECIFIED FOR THE 457 BY 98 FT SKYLIGHT BY THE LATE ARCHITECT EERO SAARINEN. MAYARI R INCORPORATES THE HIGH-STRENGTH QUALITIES OF ASTM A242 STEEL. WHILE A242 HAS A MINIMUM OF TWICE THE CORROSION RESISTANCE OF CARBON STEEL, MAYARI R PROVIDES 4-6 TIMES THE RESISTANCE. AS IT WEATHERS, MAYARI R DEVELOPS A PROTECTIVE COATING MUCH LIKE PAINT THAT IS BOTH PERMANENT AND DECORATIVE. THIS MAINTENANCE-FREE PROTECTIVE COATING TAKES ON A DEEP BROWN HUE WITH ADVANCED AGING.]]></description>
      <pubDate>Tue, 15 Feb 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/106531</guid>
    </item>
    <item>
      <title>BUILDING THE WORLD'S LONGEST COMBINATION HIGHWAY/RAILWAY BRIDGE</title>
      <link>https://trid.trb.org/View/371178</link>
      <description><![CDATA[Article describing design and construction methods utilized for the Seto Ohashi Bridge system, which crosses more than 8 miles of open sea and small islands. A four-lane highway is built on the bridge's upper deck, and a second, lower level holds a double-track railway line that can accommodate both conventional trains and high-speed "Shinkansen," or "bullet," passenger trains. Currently, the Seto Ohashi Bridge is the longest combination automobile/railway bridge in the world.]]></description>
      <pubDate>Fri, 24 Sep 1993 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/371178</guid>
    </item>
    <item>
      <title>BRAZING ALUMINUM AUTOMOTIVE HEAT EXCHANGERS IN VACUUM: PROCESS AND MATERIALS</title>
      <link>https://trid.trb.org/View/276283</link>
      <description><![CDATA[Aluminum is becoming a material of major importance to the automotive heat exchanger manufacturer.  The low density, high thermal conductivity and moderate cost of aluminum offer the automotive designer the potential for component weight and cost reduction over the more traditional copper and brass materials.  A fluxless, vacuum method of brazing automotive radiators and air conditioning evaporators improves manufacturing efficiency and product quality.  A description is given of the brazing process and materials.]]></description>
      <pubDate>Fri, 31 Oct 1986 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/276283</guid>
    </item>
    <item>
      <title>3D VISION-GUIDED ROBOTIC WELDING SYSTEM AIDS RAILROAD REPAIR SHOP</title>
      <link>https://trid.trb.org/View/204594</link>
      <description><![CDATA[Taking advantage of computer-controlled robotics, the shop did away with part and fixturing problems by using sensors and software, and installing a welding robot with two television camera eyes.  This system finds the part for the robot to weld wherever the fixture delivers it, regardless of its manufacturing tolerances.]]></description>
      <pubDate>Thu, 30 Aug 1984 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/204594</guid>
    </item>
    <item>
      <title>TESTS OF ELECTROSLAG-WELDED BRIDGE GIRDERS</title>
      <link>https://trid.trb.org/View/180562</link>
      <description><![CDATA[This paper summarizes research conducted by the United States Steel Corporation Research Laboratory on Phase 2 of National Cooperative Highway Research Program (NCHRP) Project 10-10, "Acceptance Criteria for Electroslag Weldments in Bridges."  Fatigue life for tapered electroslag welded joints is less than expected from previous tests, although properly made electroslag welds have adequate fracture toughness for use in bridges.]]></description>
      <pubDate>Fri, 30 Jul 1982 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/180562</guid>
    </item>
    <item>
      <title>RECENT EXPERIENCES WITH ELECTROSLAG WELDED BRIDGES</title>
      <link>https://trid.trb.org/View/180563</link>
      <description><![CDATA[This paper reviewed experiences with electroslag welded bridges that went into service with both weld defects and excessive weld repair.  Mechanical property studies indicated that toughness was frequently below that specified for the joints.  Normal nondestructive examination techniques did not identify the defects prior to removal of field samples.]]></description>
      <pubDate>Fri, 30 Jul 1982 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/180563</guid>
    </item>
  </channel>
</rss>