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Stressed-Deformed State of ice Crossings at the Surface Reinforcement of Composite Materials

Journal of Marine Science and Application 2020年第3期19卷 430-435页

作者： Xiaolong Bai Vitaliy Zemlyak Alexey Vasilyev Victor Kozin School of Naval Architecture and Ocean Engineering Jiangsu University of Science and TechnologyZhenjiang 212003China Department of Technical Sciences Sholom-Aleichem Priamursky State UniversityBirobidzhan 679015Russia Laboratory Number 1 Institute of Machining and Metallurgy Far Eastern Branch Russian Academy of SciencesKomsomolsk-na-Amure 681005Russia

ice crossings have been used for several ***,due to the active development of the Arctic shelf,supplies and minerals are provided and transferred on special transports on the surface of ice ***,ice crossings across rivers are used to reduce the length of transport *** methods of increasing the load bearing capacity of ice are ice freezing from above,ice freezing from below,and ice strengthening through a wooden copepod *** experience shows that the physical and mechanical properties of ice covers are unreliable and changeable in time and strongly depend on various external ***,ice covers should be strengthened through alternative ***,predicting the bearing capacity of ice crossings and exploring methods for their strengthening are *** this study,we consider the results of experimental and numerical studies on the bearing and deformation capacity of ice beams upon destruction from pure *** pure bending,ice breaks down in the ice crossing when transports move along *** were carried out with a specified reinforcement *** results of the model experiments were compared with numerical calculations in the ANSYS software *** on ice beams reinforced with various composite materials were also *** of samples in all cases occurred as a result of the formation of extensive cracks in the ice caused by the bending moment in the middle of the beam *** on the experimental and numerical research results,the use of a surface reinforcement in ice with various materials can increase the bearing capacity from 65%to 99%for this reinforcement scheme.

关键词： ice beam Surface reinforcement Carrying capacity Numerical research Criterion of strength

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