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Xiaobin Ding, Junxing Zhao, Yaojun Dong and Mi Zhou
We propose a novel inverse analysis method that utilizes shockwaves to detect the operational condition of tested rock. To achieve this back analysis, an in-depth investigation of the dynamic properties of granite specimens was conducted. The dynamic pro...
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Xianmai Chen, Nan Chen, Zilong Wei, Xiangmin Zhang, Fei Yang, Hongjun Zhao, Mingxi You and Weidong Wang
The load generated during train operation is transmitted to sleepers through rails, and then from sleepers to trackbeds. As one of the important components of the track structure, sleepers are very important to the service-life and safety of railways. Th...
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Rui He and Tao Zhu
Monopiles are widely used to support offshore wind turbines as a result of the extensive development of offshore wind energy in coastal areas of China. An offshore wind turbine is a typical high-rise structure sensitive to dynamic loads in ocean environm...
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Davide Pederbelli, Luca Goglio, Davide Paolino, Massimo Rossetto and Andrea Tridello
Modern structures are designed to withstand in-service loads over a broad frequency spectrum. Nonetheless, mechanical properties in numerical codes are assumed to be frequency-independent to simplify calculations or due to a lack of experimental data, an...
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Ximei Wei, Meng Wang, Hongwen Zhang, Lei Wang, Xintian Du, Lixin Chen and Shaohua Zhi
Machine-harvested seed cotton was taken as the research object to further clarify its creep performance, minimize its power consumption during the loading process, and obtain a better loading method. The uniaxial compression creep test was carried out us...
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Yujing Jiang, Meng Li, Hengjie Luan, Yichen Shi, Sunhao Zhang, Peng Yan and Baocheng Li
Under the action of dynamic loadings such as earthquakes and volcanic activities, the mechanical properties of gas-hydrate-bearing sediments will deteriorate, leading to a decrease in the stability of hydrate reservoirs and even inducing geological disas...
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Oleksij Fomin,Alyona Lovska,Ievgen Medvediev,Halyna Shatkovska
Pág. 30 - 37
To reduce the dynamic loading and prolong the service life of a semi-wagon's girder beam by improving its fatigue strength, it has been proposed to improve its design. A special feature of the girder beam is that its middle part (the distance between the...
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Davide Forcellini and Anthony Tessari
This paper presents parametric studies that assess the role of loading factors (i.e., number of cycles, frequency, and amplitude) on liquefaction-induced failure by performing numerical simulations. Most of the existing literature considers the effects o...
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V. S. Klimash,S. V. Vlasievskyi,O. M. Konstantinov
Pág. 52 - 54
The device is intended for compensating the reactive capacity of circuit with simultaneous stabilization of the loading voltage. It includes a high-frequency single-phase transformer which is included between two converters. One of the converters is fitt...
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Yonghai He, Songtao Lv, Nasi Xie, Huilin Meng, Wei Lei, Changyu Pu, Huabao Ma, Ziyang Wang, Guozhi Zheng and Xinghai Peng
This study addressed the complex problems of selecting a constitutive model to objectively characterize asphalt mixtures and accurately determine their viscoelastic properties, which are influenced by numerous variables. Inaccuracies in model or paramete...
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Xue-Liang Zhao, Xin Wang, Peng-Cheng Ding, Shu-Huan Sui and Wen-Ni Deng
Silty soil is common in the seabed of eastern coastal areas of China. The behaviors of the silty soil and a bucket foundation installed within it need more study. In this work, model tests of a bucket foundation in silty soil were performed. The developm...
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Dong Jun Sung, Harshvardhan Singh, Seung-Bum Oh and SoJung Kim
The purpose of this cross-sectional study was to determine the differences in areal bone mineral density (aBMD) based on alcohol consumption behaviors, bone-loading history as assessed by a bone-specific physical activity questionnaire (BPAQ), and the bo...
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M. H. Visin,D. A. Zabarylo
Pág. 64 - 69
Our research offers a new perspective loading pattern of the 12-wheel double-feed freight electric locomotive with the asynchronous tractive motor using an adapter transformer with the high-frequency uncoupler. This will make it possible to decrease the ...
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V. A. Leonets,O. D. Tokariev,A. I. Trehub,L. M. Chaus
Pág. 124 - 126
Assessment of the value of thermal residual stresses in stiffness ribs produced in accordance with the second constructive and set on in bogie frames of ??60 electric locomotives. Resonant frequency of their lateral oscillation is calculated. A conclusio...
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Alessandro Zanarini
Spatially dense operative deflection shapes and receptances, acquired in broad frequency bands, increase the detail in the spatial and frequency domains of the responses of parts in actual dynamic loading, manufacturing and mounting conditions. This work...
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Callum Daniels and Noel Perera
Due to the nature of their deployment, very few people know the location and course of a submarine during its time at sea, including only a handful of the ship?s crew. The possibility of immediate retaliation by the UK and her allies is aided by the subm...
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Hongya Qu, An Chang, Tiantian Li and Zhongguo Guan
Deriving critical parametric information from recorded signals for system identification is critical in structural health monitoring and damage detection, while the time-varying nature of most signals often requires significant processing efforts due to ...
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Claudia Barile, Caterina Casavola, Giovanni Pappalettera and Paramsamy Kannan Vimalathithan
Assessing the damage evolution in carbon-fiber-reinforced polymer (CFRP) composites is an intricate task due to their complex mechanical responses. The acoustic emission technique (AE) is a non-destructive evaluation tool that is based on the recording o...
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Shouping Shang and Zhen Wang
Damping is one of the important issues related to isolated structures, including the newly proposed low-cost spring-asphalt isolation system. In this study, the damping properties of the system in terms of displacement dependence, frequency dependence an...
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Roger Larsson, Alejandro Sobron, David Lundström and Martin Enqvist
Unless a segregated airspace and the corresponding clearances can be afforded, flight testing of remotely piloted aircraft is often done near the ground and within visual line-of-sight. In addition to the increased exposure to turbulence, this setup also...
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