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Dunqing Li, Feng Liao, Lixin Wang, Jianfu Lin and Junfang Wang
As urbanization accelerates, deep excavation projects have become increasingly vital in the construction of high-rise buildings and underground facilities. However, the potential risks to the surrounding environment and the inherent complexities involved...
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Xiaobing Yan, Qiqi Hao, Rui Yang, Jianyu Peng, Fengpeng Zhang and Sanyuan Tan
To identify the magnitude and direction of in situ stress in deeply buried tunnels, an inversion method for the stress field was proposed based on a finite number of measurement points of surface strain. Firstly, elastic strain data of finite points on t...
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Anton Hadar, Andrei-Daniel Voicu, Florin Baciu, Daniel Vlasceanu, Daniela-Ioana Tudose and Stefan-Dan Pastrama
This paper describes the transition towards a composite structure, with the same overall aerodynamic characteristics, for a tail rotor blade of an IAR330 helicopter. The newly proposed structure of the composite blade is made of a carbon-roving spar embe...
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Evaggelos Kaselouris, Stella Paschalidou, Chrisoula Alexandraki and Vasilis Dimitriou
The transient acoustic dynamics of a splash cymbal are investigated via the Finite Element Method-Boundary Element Method. Real three-dimensional motion data recorded from the interaction of drummer?drumstick?cymbal provide the initial and the loading co...
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Kritchanan Charoensuk and Thunyaseth Sethaput
Vibration is challenging and significant in solving engineering problems. The issue of vibration in loaded objects by utilizing a three-dimensional model and experiments. Typically, an object is subjected to a random frequency, which changes the notch sh...
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Qi Zhang, Mi Zhao, Jingqi Huang and Xiuli Du
When the numerical analysis of a long lined tunnel is carried out, the calculation amount of the finite element model becomes restricted large-scale parameter analysis. In this paper, an efficient and high-precision 2.5-dimensional (2.5D) frequency-domai...
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Xueliang Jiang, Wenjie Liu, Hui Yang, Zhenyu Li, Wenchen Fan and Feifei Wang
Although the current ecological engineering technology can reinforce shallow landslides, it cannot reinforce deep landslides. A new type of ecological engineering technology-living tree stump slope protection was developed, aiming at the deficiency of cu...
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Bo Yang, Chengyao Zhang, Na Su and Zhaoran Xiao
In contrast to straight tunnels, the mechanisms of displacement of surrounding soil induced by shield excavation of small radius curved tunnels are more complex. Based on field monitoring data of surface settlement and horizontal displacement of a small ...
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Norimitsu Okuyama, Kazufumi Nomura, Tomokazu Sano, Keiji Kadota, Seiya Nitta, Tetsuo Era and Satoru Asai
Blowholes caused by vaporization of the galvanized layer are a problem with galvanized steel sheets, which use lap joint welding. The laser ultrasonic method is the possible solution to realize the desirable 100% inspection instead of the conventional sa...
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Helen Papadaki, Evaggelos Kaselouris, Makis Bakarezos, Michael Tatarakis, Nektarios A. Papadogiannis and Vasilis Dimitriou
The dynamic behavior of solid Si targets irradiated by nanosecond laser pulses is computationally studied with transient, therm?mechanical three-dimensional finite element method simulations. The dynamic phase changes of the target and the generation and...
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