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Alexander Lange, Ronghua Xu, Max Kaeding, Steffen Marx and Joern Ostermann
Regular inspections of important civil infrastructures are mandatory to ensure structural safety and reliability. Until today, these inspections are primarily conducted manually, which has several deficiencies. In context of prestressed concrete structur...
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Xiufei Wang, Kun Liu, Mingcai Xu and Hewei Liu
In this study, a common cruciform structure in ship hulls was designed and experimented with in order to analyze its deformation characteristics under planar collision and quasi-static loading. The mechanical parameters of the materials were determined b...
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Jifang Du, Yinqiu Zhang, Shuaifeng Wu, Yu Dong and Junwei Shi
Dynamic compaction (DC) is a ground treatment method that achieves soil densification effects using impact forces. The ground displacement of a crater induced by a hammer is often used for the determination of densification, but less attention has been p...
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Nitesh Kumar, Ananda Babu, Alok Kumar Das and Ashish Kumar Srivastava
This paper presents an evaluation of the mechanical properties of nanocomposites when a lower concentration of nanoparticles graphene and ceramics are mixed with epoxy to determine the damping and stability characteristics of hybrid epoxy, using vibratio...
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Peng Zhang, Zhengjie He, Chunyi Cui, Liang Ren and Ruqing Yao
The condition of an offshore wind turbine (OWT) should be monitored to assure its reliability against various environmental loads and affections. The modal parameters of the OWT can be used as an indicator of its condition. This paper combines the Kalman...
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Gee-Soo Lee and Chan-Jung Kim
Microcracks of depth less than 200 µm in mechanical components are difficult to detect because conventional methods such as X-ray or eddy current measurements are less sensitive to such depths. Nonetheless, an efficient microcrack detection method is req...
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Valeria Leggieri, Annamaria di Lernia, Gaetano Elia, Domenico Raffaele and Giuseppina Uva
The paper describes the numerical approach adopted to investigate the effects of vibrations induced on reinforced concrete (R.C.) buildings by the excavation works needed to bury an existing railway line crossing an urban area in the south of Italy. The ...
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Leszek Malyszko and Andrzej Rutkiewicz
The natural frequencies and eigenmodes of the tensegrity simplex are determined experimentally in impact hammer tests. To study an effect of prestressing, the tests are carried out on a physical model 1.2 m high and 0.5 m diameter with build-in transduce...
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Michael Volkhonov,Anton Abalikhin,Alexander Krupin,Ivan Maximov
Pág. 44 - 51
Crushing feed grain involves hammer crushers, which are characterized by high specific energy consumption and its uneven fractional composition. It is possible to obtain high-quality shredded grain with less energy when using a centrifugal-impact crusher...
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Da Yu, Keren Dai, Jinming Zhang, Benqiang Yang, He Zhang and Shaojie Ma
In recent years, penetrating weapons have been used more and more to attack increasingly hard targets; therefore, the impact of such a penetrating process has increased to an extremely high level. As an important component of a fuze, the reliability of t...
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