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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>
      <url>https://trid.trb.org/Images/PageHeader-wTitle.jpg</url>
      <link>https://trid.trb.org/</link>
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    <item>
      <title>CONSTRUCTION OF BORED PILES IN WEATHERED ROCKS</title>
      <link>https://trid.trb.org/View/214834</link>
      <description><![CDATA[The conventional methods of constructing bored piles socketed into weathered rocks were critically investigated during the construction of the West Gate Freeway, South Melbourne.  The rock socket designs involved some construction-related assumptions, which were found to be invalidated by construction practice.  The socket base resistance was affected by (I) the extent of the problem of not founding on the expected end bearing layer, (II) the degree of base cleanliness, (III) the amount of disturbance of the base materials, (IV) the presence of a clay layer on the base suuface, and (V) the flatness of the base.  A socket inspection device (SID) was developed to inspect and record the cleanliness of pile bases.  Because of the unsatisfactory results observed after using conventional base cleaning methods, more effective base cleaning tools were also developed.  The socket side resistance was affected by (I) the extent of the problem of not forming a socket with the expected side-wall materials, (II) insufficient wall roughness, (III) the amount of disturbance of wall materials, (IV) the stability of the socket walls, and (V) the thickness of a layer of filter-cake, remoulded clay, and/or redistributed base debris.  The report also contains a description of siss, a device for sampling these layers. The problems of bentonite construction of bored piles in weathered rocks is recorded, together with some recommended procedures, especially for minimising the build- up of filter-cake.  Also, certain problems were observed regarding (I) the casing installation, (II) the drilling of the socket to the design dimensions, (III) the structural integrity of the concrete, and (IV) the safety of personnel constructing and inspecting sockets.  (Author/TRRL)]]></description>
      <pubDate>Wed, 25 Aug 2004 01:42:24 GMT</pubDate>
      <guid>https://trid.trb.org/View/214834</guid>
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    <item>
      <title>THE STRUCTURAL DESIGN OF STEEL CASING PIPES BORED BENEATH RAILROADS AND HIGHWAYS</title>
      <link>https://trid.trb.org/View/108113</link>
      <description><![CDATA[A METHOD IS PRESENTED FOR THE STRUCTURAL DESIGN OF SMOOTH STEEL CASING PIPES WHICH ARE INSTALLED BY BORING BENEATH RAILROADS AND HIGHWAYS. THE INSTALLATION AND OBSERVATION OF 5 EXPERIMENTAL CASING PIPES UNDER 3 MAINLINE RAILROADS AT SEVERAL LOCATIONS WERE CONDUCTED. SOME MEASUREMENTS OF STRAINS IN THE PIPE WALLS UNDER PASSING TRAINS AND SETTLEMENTS OF THE PIPE INVERTS WERE MADE. DATA WERE COLLECTED FROM PIPELINE OPERATING COMPANIES RELATIVE TO DIAMETER MEASUREMENTS AND THE GENERAL TERMINAL CONDITION OF SOME CASING PIPES WHICH HAD BEEN IN SERVICE FOR A NUMBER OF YEARS. SUMMARIES ARE PRESENTED OF DIAMETER CHANGE MEASUREMENTS OF THE EXPERIMENTAL CASING PIPES, AND OF THE DIAMETER MEASUREMENTS OF ABANDONED CASINGS WHICH WERE INSTALLED BY BORING. RESEARCH INDICATED THAT BORED-IN-PLACE SMOOTH STEEL CASING PIPES ACT AS FLEXIBLE UNDERGROUND CONDUITS. FLEXIBLE PIPES FAIL BY EXCESSIVE DEFLECTION RATHER THAN BY RUPTURE OF THE PIPE WALL, AS IN THE CASE OF RIGID PIPES. A DEFLECTION FORMULA IS DERIVED INDICATING THE INFLUENCE ON DEFLECTION OF THE TRANSVERSE DISTRIBUTION OF THE UPWARD REACTION ON THE BOTTOM OF A BURIED PIPE. DESIGN OF FLEXIBLE PIPES ON THE BASIS OF A MAXIMUM DEFLECTION OF 3% OF THE DIAMETER IS SUGGESTED. CASING PIPES UNDER HIGHWAYS MAY BE DESIGNED IN THE SAME MANNER AS OUTLINED FOR RAILROADS.]]></description>
      <pubDate>Tue, 30 Aug 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/108113</guid>
    </item>
    <item>
      <title>ADHESIVES</title>
      <link>https://trid.trb.org/View/110250</link>
      <description><![CDATA[A REVIEW IS PRESENTED OF NEW ADHESIVE RESINS BEING SYNTHESIZED AND FORMULATED TO MEET THE DEMANDS FOR MATERIALS WHICH WILL WITHSTAND EXTREME ENVIRONMENTAL CONDITIONS. THE ADHESIVE IS USUALLY A SYNTHETIC HIGH POLYMER. THE ABILITY OF A RESIN TO PERFORM IN A SPECIFIC ADHESIVE APPLICATION IS DEPENDENT UPON THE FUNDAMENTALS OF POLYMER SCIENCE, SUCH AS HYDROGEN BONDING, COHESIVE ENERGY DENSITY, FLEXIBILITY, MOLECULAR ORGANIZATION, CRYSTALLIZATION, CROSS-LINKING, AND WETTING. HIGH TEMPERATURE ADHESIVES, NEOPRENE CEMENTS, HOT MELT ADHESIVES AND ONE-PACKAGE STRUCTURAL ADHESIVE ARE DESCRIBED. A PROCESS OF SUBSTRATE TREATMENT WAS DEVELOPED TO IMPROVE THE PERFORMANCE OF ADHESIVES USED TO BOND THE MATERIAL. BULK PROPERTIES OF THE SUBSTRATE SUCH AS COLOR, TENSILE STRENGTH, AND ELONGATION ARE UNAFFECTED BY THE TREATMENT AND THE WEATHERABILITY OF THE SURFACE IS UNCHANGED. THE TECHNIQUE OF CASING, INVOLVING IMPINGING ELECTRONICALLY EXCITED SPECIES OF RARE GASES UPON THE SURFACE OF THE SUBSTRATE, IS DISCUSSED.]]></description>
      <pubDate>Fri, 18 Mar 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/110250</guid>
    </item>
    <item>
      <title>WHOLE BODY RESPONSE RESEARCH PROGRAM. APPENDIX A: METHODOLOGY</title>
      <link>https://trid.trb.org/View/78041</link>
      <description><![CDATA[Contents: Experimental procedures; Digital signal processing; 3-D X-ray technique; Measurement of 3-D motion; Fast algorithm for computing HIC (Head Injury Criterion).]]></description>
      <pubDate>Tue, 27 Feb 1979 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/78041</guid>
    </item>
    <item>
      <title>PILING TECHNIQUES</title>
      <link>https://trid.trb.org/View/67408</link>
      <description><![CDATA[This article gives an outline of the purposes of piling and its history, followed by a comprehensive account of methods of piling currently in use with examples of types made by the different manufacturers.  Bored cast-in-place piles are first dealt with in which soil is removed from the hole, which is then filled with concrete.  Particular reference is made to the methods employed by the expanded piling co, the cementation piling and foundations ltd, lind piling, lilley-waddington ltd (who employ the waddington-benoto piling system), gkn keller foundations (who use hydraulic auger rigs) and colets earth boring ltd.  An outline is also given of dowsett prepakt piles that use a high-strength intrusion mortar instead of concrete.  Driven cast-in-place piles are next described which differ in that a casing is employed that is removed as casting takes place.  Particular techniques described are those employed by the simplex piling ltd, gkn keller foundations (who vibrate the casing during withdrawal to increase bonding), and the franki in situ process which creates a bulb at the base and protuberances along its length.  This is followed by an account of partially preformed piles in which a part of the member is driven in the ground and then completed by placing concrete or grout either inside or outside it. Examples described are the west's shell piling system, west's segmental pile, bsp international foundations ltd's cased pile, a similar method used by raymond international (UK) ltd, standard prestcore piles and the long element pile. Steel preformed piling systems described include universal bearing piles, frodingham box piles, rendhex piles, unissen and frodingham high modulus piles and larssen box piles. Concrete preformed piles described include those made by dow-mac concrete ltd, the herkules piling system used by A. Johnson construction co, west's hardrive pile and balken piling ltd segmental piles. Reference is made to special pile-drivers and the article concludes with a comprehensive bibliography. /TRRL/]]></description>
      <pubDate>Wed, 22 Jun 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/67408</guid>
    </item>
    <item>
      <title>UNITED STATES TRANSPORTATION CARGO DATA INTERCHANGE SYSTEM</title>
      <link>https://trid.trb.org/View/93780</link>
      <description><![CDATA[THE PAPERWORK INVOLVED IN TRANSPORTATION IS UNNECESSARILY EXTENSIVE AND EXPENSIVE.  OUT OF THE LACK OF CORRIDNATION AND STANDARDIZATION OF DOCUMENTATION THE TRANSPORTATION DATA COORDINATING COMMITTEE CAME TO BE.  A JOINT EFFORT OF TDCC AND DOT HAS PRODUCED A HARMONIZED COMMODITY DESCRIPTION CODE IN ORDER TO BRIDGE THE DIVERSITY OF SYSTEMS THROUGHOUT THE WORLD.  TDCC AND DOT ARE ALSO WORKING ON THE DEVELOPMENT OF THE UNITED STATES TRANSPORTATION CARGO DATA INTERCHANGE SYSTEM.  THE CARDIS PROGRAM IS BEING DESIGNED TO MEET THE NEEDS OF SHIPPERS, CARRIERS, FREIGHT FORWARDERS, IMPORTERS, BROKERS, AGENTS, BANKERS, INSURANCE UNDERWRITERS AND OTHERS IN THE TRANSPORTATION COMMUNITY.  ITS PURPOSE IS TO SPEED THE FLOW OF DATA COVERING DOMESTIC AND INTERNATIONAL TRADE TRANSACTIONS IN THE MOSE EXPEDITIOUS AND ECONOMICAL MANNER. THERE WILL BE DATA INTERCHANGE SYSTEMS IN THE UNITED STATES OPERATED BY THE PRIVATE SECTOR UNDER CONTROL OF THE GOVERNMENT AND THEY WILL BE ON LINE WITH EACH OTHER AND WITH FOREIGN CENTERS.  THERE IS ALSO A PROGRAM DEVELOPING INVOLVING TRANSPORTATION FREIGHT TARIFF SYSTEMS.]]></description>
      <pubDate>Mon, 22 Jul 1974 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/93780</guid>
    </item>
    <item>
      <title>ROOT-PATTERN PILES UNDERPINNING</title>
      <link>https://trid.trb.org/View/119883</link>
      <description><![CDATA[A BRIEF OUTLINE IS PRESENTED OF THE SPECIAL SMALL SIZED TYPE ROOT-PATTERN PILES (PALI RADICE), FOLLOWED BY THE DESCRIPTION OF SOME INTRICATE FOUNDATION AND UNDERPINNING PROBLEMS, SOLVED BY THEIR USE. PALI RADICE ARE CARRIED OUT BY MEANS OF ROTARY DRILLINGS THROUGH THE SAME STRUCTURES WHICH ARE TO BE CONSOLIDATED, AND EXTENDED IN THE UNDERLYING GROUND UNTIL AN APPROPRIATE DEPTH IS REACHED. THE DRILLING IS PERFORMED BY A SPECIAL HIGH SPEED ROTARY RIG AND DOES NOT CAUSE ANY SHAKINGS OR VIBRATIONS OF THE EXISTING STRUCTURE. THE PENETRATION THROUGH THE SOIL IS CARRIED OUT BY DRIVING DOWN A STEEL CASING IN A CONTINUOUS AND PROGRESSIVE WAY SO AS TO AVOID COMPLETELY ANY CAVE-INS OF THE DRILLED HOLES, AND, THEREFORE, ANY DECOMPRESSION OF THE SOIL. AFTER THE DRILLING OPERATION IS ACCOMPLISHED, A STEEL BAR IS PLACED INTO THE FULL LENGTH OF THE HOLE FOLLOWED BY THE CONCRETE MIX PLACINGS AND THE CASING IS PROGRESSIVELY WITHDRAWN. THE MIX IS COMPOSED OF GRANULATED SAND AND CEMENT, WITH SOME FLUIDIFIERS ADDITIVES. THE PLACING OF THE MIX IS CARRIED OUT BY COMPRESSED AIR, RENDERING A MUCH LARGER SIZE PILE THAN THE SIZE OF THE CASING. A VERY HIGH ADHESION TO THE SOIL AND A HIGH STRENGTH CEMENT CONGLOMERATE IS THUS OBTAINED. THE USE IS DESCRIBED OF PALI RADICE FOR THE STRENGTHENING OF FOUNDATIONS OF INDUSTRIAL BUILDINGS, ADDING NEW STORIES TO EXISTING BUILDINGS, CONSOLIDATION OF A BRIDGE FOUNDATION, RETAINING WALLS AND CONSOLIDATION OF SLIDING SLOPES. SOME CARRYING LOAD TESTS IN RELATION TO THE SIZES OF THE PILES AND TO STRATIFICATION OF THE SOIL ARE REPORTED IN A FIGURE. THE PALI RADICE UNDER LOAD ARE GENERALLY BEHAVING WITH A CONSIDERABLE ELASTICITY AND WITH VERY SMALL SETTLEMENTS DUE TO THE FOLLOWING FACTS: (1) THE CEMENT AND SAND MIX ARE PLACED UNDER COMPRESSED AIR, (2) SHRINKAGE IS INSIGNIFICANT BECAUSE THE PILES ARE THE SAME SIZE AND THE CEMENT-MIX IS PLACED UNDER PRESSURE, (3) THE RUGGEDNESS OF THE SURFACE OF THE PILE CAUSED BY A HIGH PERCENTAGE OF SAND IN THE MIX, AND (4) THE HIGH PENETRATION INTO THE SOIL BY THE MOST FLUID PART OF THE MIX CREATES A TRANSITORY ZONE BETWEEN THE BODY OF THE PILE AND THE SOIL, THUS ENABLING THE WHOLE PILE TO ADHERE TO THE SOIL WITHOUT ANY NOTICEABLE SEPARATION.]]></description>
      <pubDate>Tue, 13 Oct 1970 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/119883</guid>
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