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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>
    <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>
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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>Application of Mechanically Stabilized Earth Wall with Geo-Synthetic Strap Soil Reinforcement for False Abutment Structures</title>
      <link>https://trid.trb.org/View/1434893</link>
      <description><![CDATA[This case study highlights a Light Rail Transit (LRT) structure in Ottawa, ON which has utilized Mechanically Stabilized Earth (MSE) walls in conjunction with a false abutment. While MSE walls are very commonly associated with this type of structure, some unique features have differentiated this project from others of similar scope.  Specifications for this project limited the soil reinforcement strictly to geo-synthetics. In addition, the selected MSE wall system, implements the use of strap elements as soil reinforcement in conjunction with inclusions in the Reinforced Zone, which sets this project apart due to its unique nature. Some of the challenges that were encountered during both the design and construction phases of this structure will be discussed in further details within this paper. One example of the challenges faced during design and construction is the fact that piles for the false abutments are embedded into the Reinforced Earth zone and the soil reinforcement was required to avoid those obstacles while simultaneously resisting the horizontal forces coming from the superstructure. The conclusions drawn from this particular experience are that with the proper design and understanding of the variables affecting this type of structure, MSE walls are a reliable and efficient solution.]]></description>
      <pubDate>Tue, 15 Nov 2016 16:55:35 GMT</pubDate>
      <guid>https://trid.trb.org/View/1434893</guid>
    </item>
    <item>
      <title>USE OF HEAVY METAL SCAFFOLDINGS IN BRIDGE CONSTRUCTION</title>
      <link>https://trid.trb.org/View/1068252</link>
      <description><![CDATA[THE AUTHOR RESUMES AND ANALYZES THE EXPERIENCE WITH METAL SCAFFOLDINGS OF  THE HUNNEBECK SYSTEM IN THE CONSTRUCTION OF BRIDGES AND ENGINEERING STRUCTURES IN HUNGARY.  THE ADVANTAGES AND DISADVANTAGES OF THE SYSTEM ARE DESCRIBED, AND COSTS ARE QUOTED.]]></description>
      <pubDate>Sun, 21 Nov 2010 11:05:36 GMT</pubDate>
      <guid>https://trid.trb.org/View/1068252</guid>
    </item>
    <item>
      <title>THE STABILITY OF SUPPORTING BRIDGE BENTS</title>
      <link>https://trid.trb.org/View/1065727</link>
      <description><![CDATA[INDIVIDUAL SCAFFOLDING COLUMNS ARE GENERALLY JOINTED BY BRACES TO BRIDGE BENTS (VERTICAL LOAD BEARING MEMBERS).  THE STABILITY OF A SINGLE FREE COLUMN IS KNOWN; FOR THE TOTAL STABILITY OF A BENT, A SPECIAL INVESTIGATION HAS BEEN UNDERTAKEN.  THE INFLUENCE OF THE SHEAR STIFFNESS OF THE BRACES CANNOT BE NEGLECTED.  IT IS GENERALLY SUFFICIENT HOWEVER, TO CALCULATE A LIMIT SHEAR STIFFNESS.  WHERE THE BRACES ARE WEAKER THAN THE LIMIT SHEAR STIFFNESSES, THE BUCKLING LENGTH OF THE BENT CAN BE DETERMINED FROM DIAGRAMS. TWO CALCULATED EXAMPLES ARE PRESENTED.]]></description>
      <pubDate>Sun, 21 Nov 2010 09:59:23 GMT</pubDate>
      <guid>https://trid.trb.org/View/1065727</guid>
    </item>
    <item>
      <title>LOADING TESTS ON STRUCTURAL SUPPORTS</title>
      <link>https://trid.trb.org/View/1065632</link>
      <description><![CDATA[IN A CONTINUATION OF EARLIER EXPERIMENTS THE FOLLOWING TESTS WERE CARRIED  OUT:  1) LOADING TESTS ON GROUPS OF SUPPORTS (9 SUPPORTS) UNDER DIFFERENT BASE AND HEAD STORAGE CONDITIONS (FLAT AND ON EDGES); 2) BUCKLING TESTS FOR CHECKING THE CALCULATION ACCORDING TO THE "CONSTRUCTION AND TEST PRINCIPLES FOR STRUCTURE SUPPORTS OF STEEL WITH DRAWING DEVICE".]]></description>
      <pubDate>Sun, 21 Nov 2010 09:56:47 GMT</pubDate>
      <guid>https://trid.trb.org/View/1065632</guid>
    </item>
    <item>
      <title>TESTS OF THE ADHESION OF COUPLINGS TO THIN-WALLED TUBULAR STEEL SCAFFOLDING</title>
      <link>https://trid.trb.org/View/1065631</link>
      <description><![CDATA[ADHESION TESTS GAVE INFORMATION REGARDING ADMISSIBLE WALL THICKNESSES OF STEEL SCAFFOLD TUBES.  ON THE BASIS OF THE RESULTS, THE "SCAFFOLDING" COMMITTEE OF EXPERTS (SVA) CONCLUDED THAT ONLY STEEL SCAFFOLDING TUBES WITH WALL THICKNESS > 3.25 MM MAY BE USED IF NORMAL COUPLINGS (FORCE-LOCKING) HAVE TO BE USED.]]></description>
      <pubDate>Sun, 21 Nov 2010 09:56:46 GMT</pubDate>
      <guid>https://trid.trb.org/View/1065631</guid>
    </item>
    <item>
      <title>TESTS TO CHECK THE INCREASE IN PERMITTED LOADING OF STRUCTURAL STEEL SUPPORTS WITH A PULL-OUT DEVICE</title>
      <link>https://trid.trb.org/View/1065630</link>
      <description><![CDATA[TESTS WITH SIZE 3 ACROW-WOLFF SUPPORTS SHOWED THAT UNDER CERTAIN CONSTRUCTION PRACTICE CONDITIONS WHICH ARE EASY TO ESTABLISH (FLAT STORAGE ON SQUARE TIMBER, REDUCTION OF FORCE ECCENTRICITY DUE TO GIRDER FORK) FOR SUPPORTS UP TO 3.50 M IN LENGTH, AN INCREASE OF ADMISSIBLE LOADING BY AT LEAST 50% IS ACCEPTABLE COMPARED WITH THE REGULATIONS IN FORCE.]]></description>
      <pubDate>Sun, 21 Nov 2010 09:56:44 GMT</pubDate>
      <guid>https://trid.trb.org/View/1065630</guid>
    </item>
    <item>
      <title>DEFORMATION OF A SCAFFOLD SUPPORT</title>
      <link>https://trid.trb.org/View/1065620</link>
      <description><![CDATA[IDEAL RIGIDITIES OF TUBE COUPLING BRACES ARE TO BE WORKED OUT FROM HORIZONTAL DISPLACEMENTS MEASURED AT VARIOUS STAGES OF LOADING.  FOUR SERIES OF TESTS ARE TO BE UNDERTAKEN WHICH ARE INTENDED TO CLARIFY THE EFFECT OF LOADING HISTORY AND POSSIBLE REINFORCEMENT AND ALSO THE EFFECTS OF THE ONSET OF CORROSION ON THE DEFORMATION OF THE TUBE COUPLING BRACES.]]></description>
      <pubDate>Sun, 21 Nov 2010 09:56:23 GMT</pubDate>
      <guid>https://trid.trb.org/View/1065620</guid>
    </item>
    <item>
      <title>DETERMINATION OF IMPERFECTIONS IN COMPRESSION MEMBERS IN SCAFFOLDING</title>
      <link>https://trid.trb.org/View/1062176</link>
      <description><![CDATA[BY MEANS OF SYSTEMATIC MEASUREMENTS ON A LARGE NUMBER OF SCAFFOLDS IN USE, THE IMPERFECTIONS WHICH OCCUR IN COMPRESSION MEMBERS IN PRACTICE ARE TO BE ESTABLISHED. RESULTS WILL BE EVALUATED STATISTICALLY.  THE AIM IS TO PROVIDE A REALISTIC BASIS FOR DESIGN SPECIFICATIONS.]]></description>
      <pubDate>Sun, 21 Nov 2010 08:05:08 GMT</pubDate>
      <guid>https://trid.trb.org/View/1062176</guid>
    </item>
    <item>
      <title>COMPARATIVE CALCULATIONS ACCORDING TO THE SECOND ORDER STRESS THEORY TO CHECK A SIMPLE FORM FOR THE DESIGN OF RIGID HORIZONTAL STRUTS BETWEEN SCAFFOLDING BEAMS</title>
      <link>https://trid.trb.org/View/1062141</link>
      <description><![CDATA[BY MEANS OF COMPARATIVE CALCULATIONS FOR VARIOUS TYPES OF SCAFFOLDING IT IS TO BE ESTABLISHED THAT A SIMPLE APPROXIMATION FORMULA FOR THE DESIGN OF  THE STRUTS PROVIDES SUFFICIENTLY ACCURATE AND ECONOMIC RESULTS.]]></description>
      <pubDate>Sun, 21 Nov 2010 08:04:03 GMT</pubDate>
      <guid>https://trid.trb.org/View/1062141</guid>
    </item>
    <item>
      <title>SAFETY THEORY RELATED TO THE DESIGN OF SCAFFOLDING</title>
      <link>https://trid.trb.org/View/1061513</link>
      <description><![CDATA[THE OBJECT IS TO CHECK PLANNED SAFETY SPECIFICATIONS WITH RESPECT TO THEIR APPLICATION TO THE COMPLEX AREA OF SCAFFOLDING DESIGN.  METHOD OF WORK: ANALYSIS OF THE MOST IMPORTANT STEPS INVOLVED IN THE DESIGN OF SCAFFOLDS AND WORKING OUT OF CORRESPONDING DESIGN EQUATIONS IN THE SENSE OF SAFETY RECOMMENDATIONS; WORKING OUT ANALYTICALLY CORRESPONDING SENSITIVITY FACTORS OR, IF IMPOSSIBLE, ESTIMATION OF THESE FROM THE SUMS OF INDIVIDUAL EFFECTS; CALCULATION OF PARTIAL SAFETY COEFFICIENTS USING THESE VALUES CORRESPONDING TO SAFETY RECOMMENDATIONS, AND EVALUATION OF THEM WITH RESPECT TO DESIGN PRACTICE HITHERTO.]]></description>
      <pubDate>Sun, 21 Nov 2010 07:48:09 GMT</pubDate>
      <guid>https://trid.trb.org/View/1061513</guid>
    </item>
    <item>
      <title>DEFORMATION OF A SCAFFOLD SUPPORT</title>
      <link>https://trid.trb.org/View/1061357</link>
      <description><![CDATA[IDEAL RIGIDITIES OF TUBE COUPLING BRACES ARE TO BE WORKED OUT FROM HORIZONTAL DISPLACEMENTS MEASURED AT VARIOUS STAGES OF LOADING.  FOUR SERIES OF TESTS ARE TO BE UNDERTAKEN WHICH ARE INTENDED TO CLARIFY THE EFFECT OF LOADING HISTORY AND POSSIBLE REINFORCEMENT AND ALSO THE EFFECTS OF THE ONSET OF CORROSION ON THE DEFORMATION OF THE TUBE COUPLING BRACES.]]></description>
      <pubDate>Sun, 21 Nov 2010 07:44:36 GMT</pubDate>
      <guid>https://trid.trb.org/View/1061357</guid>
    </item>
    <item>
      <title>FUNDAMENTAL STUDY TO ESTABLISH A NATIONAL STANDARD FOR COUPLINGS FOR TUBULAR STEEL SCAFFOLDING</title>
      <link>https://trid.trb.org/View/1061341</link>
      <description><![CDATA[A TYPE OF COUPLING HAS TO BE DISCOVERED WORTHY OF STANDARDISATION WHICH SATISFIES BOTH THE UPPER LOADING CAPACITY REQUIREMENT OF THE NATIONAL CONSTRUCTION AND TEST PRINCIPLES AND ALSO ALL REQUIREMENTS OF THE EUROPEAN STANDARD EN 53 (DRAFT).]]></description>
      <pubDate>Sun, 21 Nov 2010 07:44:12 GMT</pubDate>
      <guid>https://trid.trb.org/View/1061341</guid>
    </item>
    <item>
      <title>SAFETY ASPECTS OF THE CONSTRUCTION OF HEAVY GIRDER SCAFFOLDING ABROAD</title>
      <link>https://trid.trb.org/View/1061273</link>
      <description><![CDATA[INFORMATION IS TO BE COLLECTED ON KNOWLEDGE GAINED ABROAD AND ON SPECIFICATIONS IN THE FIELD OF HEAVY SCAFFOLDING USED IN CIVIL ENGINEERING: 1 - LITERATURE SURVEY; 2 - STUDIES AND EVALUATIONS RELATED TO THE REVISION OF DIN STANDARD 4421: STUDIES WILL BE MADE OF A) FOREIGN SPECIFICATIONS, B) STATIC AND DYNAMIC DESIGN LOADS, C) MATERIAL LAWS, D) METHODS OF CALCULATION,  E) STRESS, BEARING CAPACITY AND SAFETY; 3 - TABULATION OF THE RESULTS; 4  - FINAL REPORT.]]></description>
      <pubDate>Sun, 21 Nov 2010 07:42:22 GMT</pubDate>
      <guid>https://trid.trb.org/View/1061273</guid>
    </item>
    <item>
      <title>THE BRIDGE OVER THE PAOUTAS RAVINE AT DEMANDOLX (ALPS OF HAUTE-PROVENCE)</title>
      <link>https://trid.trb.org/View/1058765</link>
      <description><![CDATA[THE BRIDGE OVER THE PAOUTAS RAVINE COMPRISES A THREE-SPAN CONCRETE BOX GIRDER WITH VARIABLE INERTIA; THREE CONTINUOUS SPANS MEASURE 208 M, THE CENTRAL SPAN BEING 120 M AND THE OTHERS 44 M.  THE STRUCTURE WHICH SPANS A GAP  OF 50 M IN DEPTH AT AN ALTITUDE OF 1150 M, IS COMPOSED OF A CURVE OF 200  M RADIUS WITH SUPER ELEVATION AND A LONGITUDINAL SLOPE OF 3%.  THE ARTICLE GIVES THE DETAILED CHARACTERISTICS OF THIS STRUCTURE, WHICH WAS CONSTRUCTED ON FALSEWORK FOR THE TWO SECONDARY SPANS AND HAS SECTIONS CAST-IN-SITU IN SLIDING FORMWORK FOR THE CENTRAL SPAN.  DETAILS ARE GIVEN OF THE DIFFICULTIES EXPERIENCED IN THE CONSTRUCTION, THE ALTITUDE AND LOW TEMPERATURES, QUALITY OF THE AGGREGATES, AND BASIC HYPOTHESES OF CALCULATION WHICH TAKE INTO ACCOUNT THE FORCES ARISING FROM THE TORSION IN A CURVED BRIDGE CONSTRUCTED BY SUCCESSIVE CANTILEVERED BEAMS.]]></description>
      <pubDate>Sun, 21 Nov 2010 06:25:31 GMT</pubDate>
      <guid>https://trid.trb.org/View/1058765</guid>
    </item>
    <item>
      <title>THE HYDRO-ELECTRIC PLANT ON THE ARC-ISERE FALL; SELECTION AND DESCRIPTION OF THE METHODS AND EQUIPMENT USED FOR THE CONSTRUCTION OF THE UNDERGROUND STRUCTURES</title>
      <link>https://trid.trb.org/View/1058694</link>
      <description><![CDATA[THIS ARTICLE DESCRIBES THE GENERAL CHARACTERISTICS OF THE WORKS AND GIVES  A DETAILED DESCRIPTION OF THE STRUCTURES, THE REASONS BEHIND THE SELECTION OF DIFFERENT DRILLING TECHNIQUES ACCORDING TO THE INVESTIGATION OF THE ROCKS. DATA ARE PRESENTED ON THE USE OF EXPLOSIVES AND SHIELD DRIVING, ACCIDENTS DURING DRILLING OPERATIONS, SOLUTIONS ADOPTED, AND EQUIPMENT USED.    DURING EARTHWORKS 1700000 M3 OF ALLUVIAL GRAVEL WERE UTILIZED IN THE PAVEMENT OF THE A41 MOTORWAY.]]></description>
      <pubDate>Sun, 21 Nov 2010 06:23:46 GMT</pubDate>
      <guid>https://trid.trb.org/View/1058694</guid>
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