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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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      <title>NEW MOORING SYSTEM TO REDUCE SHIP MOTIONS AND BERTHING ENERGY</title>
      <link>https://trid.trb.org/View/392478</link>
      <description><![CDATA[The improvement of mooring systems in harbors subjected to frequent storm waves is discussed, using numerical simulation for analysis. It is pointed out that ordinary mooring systems consisting of fenders and mooring lines are not suitable from the viewpoint of ship motions and mooring forces. Mooring systems can be optimized by diminishing the spring constant of fenders and by providing dash- pots in fenders.]]></description>
      <pubDate>Thu, 21 Jul 1994 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/392478</guid>
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      <title>LOCAL SCOUR AROUND BRIDGE PIER IN TIDAL CURRENT</title>
      <link>https://trid.trb.org/View/61239</link>
      <description><![CDATA[A strong tidal current whose direction reverses periodically causes a complex local scour around a bridge pier and this scour has a bad influence on the stability of the bridge. This local scour is caused by an unbalance between the input and output sediment transport rates around the pier.  In this paper some basic features of a local scour around a rectangular pier in a tidal current are investigated experimentally and, using these data, further analyses on the similarity between a model and its prototype are made.]]></description>
      <pubDate>Tue, 27 Dec 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/61239</guid>
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      <title>SOLUTION FOR WAVE-INDUCED OSCILLATIONS IN HARBORS CONSIDERING ENERGY DISSIPATION</title>
      <link>https://trid.trb.org/View/61230</link>
      <description><![CDATA[This paper deals with wave-induced oscillations considering energy dissipation in a rectangular harbor connected with a relatively narrow channel.  Firstly, the transmission and reflection coefficients for the abrupt contraction and expansion in width are obtained experimentally and the energy dissipation due to breakwaters at the harbor entrance is calculated through the energy conservation law by using those coefficients.  Secondly, based on such results, a solution of harbor oscillations with energy dissipation is proposed.]]></description>
      <pubDate>Wed, 23 Nov 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/61230</guid>
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      <title>LABORATORY FORMULATION FOR TRANSMISSION AND REFLECTION AT PERMEABLE BREAKWATERS OF ARTIFICIAL BLOCKS</title>
      <link>https://trid.trb.org/View/61231</link>
      <description><![CDATA[Dimensionless empirical formulas of wave transmission through and reflection from permeable breakwaters are presented.  Data are collected from laboratory tests by the author and also from those reported by several investigators.  Results obtained in this study give a near good approximation under a practical condition that the ratio of wave length to depth is smaller than 0.25.]]></description>
      <pubDate>Wed, 23 Nov 1977 00:00:00 GMT</pubDate>
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      <title>CHARACTERISTICS OF LIFT FORCES ON A CIRCULAR PILE IN WAVES</title>
      <link>https://trid.trb.org/View/61232</link>
      <description><![CDATA[Hydraulic characteristics of lift forces on a circular pile due to regular waves are investigated experimentally.  The generation of lift forces is discussed.  It is found that this is based on the unsymmetry of vortices, and that the characteristics of lift forces, namely, the frequency and the magnitude, are influenced by the vortex patterns. Furthermore, the lift coefficients are calculated from the experimental resuts, and an empirical formula for estimation of the lift coefficients is proposed under some theoretical considerations.  Finally, it is concluded that the total wave force for the design of ocean structures has to be considered in terms of the vectorial sum of the in-line forces and the lift forces.]]></description>
      <pubDate>Wed, 23 Nov 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/61232</guid>
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      <title>EXPERIMENTAL STUDY OF THE COMPRESSIVE STRENGTH OF SEA ICE AND THE ICE FORCES ON AN CIRCULAR PILE</title>
      <link>https://trid.trb.org/View/61233</link>
      <description><![CDATA[Investigations are made on the testing method of strength and mechanical properties of sea ice as well as on the ice forces on an isolated circular pile.  Tests show that the compressive strength of sea ice has a linear relation with the ice temperature as well as with the density of sea ice. Experiments on the ice forces on an isolated circular pile indicate that the ice forces are proportional to the thickness of sea ice and the square root of pile diameter. A proposal is made of an experimental formula on the ice forces on pile.]]></description>
      <pubDate>Wed, 23 Nov 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/61233</guid>
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    <item>
      <title>FIELD STUDY ON THE IMPACT ENERGY OF LARGE TANKERS</title>
      <link>https://trid.trb.org/View/66073</link>
      <description><![CDATA[This paper reports the measurements of impact energies on fenders at two oil terminals and the comparison of the results with the values calculated on the basis of the current design standard in Japan.  Both impacts due to berthing and due to the motion of a moored tanker subjected to wave action were investigated.  It was established that the measured impact energy is much larger than the calculated one on the basis of current design standard in Japan.]]></description>
      <pubDate>Sun, 16 Jan 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/66073</guid>
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    <item>
      <title>A PERFORATED MOBILE BREAKWATER FOR FIXED AND FLOATING APPLICATION</title>
      <link>https://trid.trb.org/View/19887</link>
      <description><![CDATA[The features of a mobile breakwater concept based upon a perforated front wall and solid back wall are presented. The principles of energy dissipation by the system is discussed as well as the potential role of such a device within the framework of practical application.  Model test results, comparing the perforated breakwater's response to waves with that of a caisson-type breakwater, are discussed. The author shows that the perforated breakwater experiences less force on the structure when it is fixed to the bottom and less force on the mooring lines when afloat than the caisson-type.  However, the perforated breakwater is not more effective in reducing waves, for the conditions tested. Observations disclosed that scouring is prevalent when the caisson-type is fixed to the bottom whereas there was no evidence of scouring with the perforated breakwater. Recommendations for further work include optimization of the breakwater design and testing in a three dimensional wave tank under a large range of wave conditions.]]></description>
      <pubDate>Fri, 16 Aug 1974 00:00:00 GMT</pubDate>
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