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Xudong Ma, Lu Wang, Ruihua Nie, Kejun Yang and Xingnian Liu
This paper conducted an undistorted scaled model test (geometric scale ?L = 1:80; the others are derived scales based on Froude similitude) of a 1.3 km-long river reach in Shiting River, China, investigating the impacts of the grade control datum (GCD, d...
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Yisheng Zhang, Jiangfei Wang, Qi Zhou, Yingchun Cai and Wei Tang
In this study, a quasi-stumps group structure was proposed and placed upstream of the bridge piers to mitigate the scour of the waterflow on the riverbed. Both experiment and numerical simulations using FLOW 3D were employed to study the protective effec...
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Bin Zhou, Yingxin Hui and Xiaobo Zheng
This study proposes a stress analysis method of reinforced concrete (RC) box girder based on damage to reveal the dynamic mechanical response and damage mechanisms of a bridge under moving vehicle load. The effect of different vehicle mass, speed, concre...
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Huabin Mao, Yongfeng Qi, Ying Chen and Jiancheng Yu
Enhanced turbulence triggered by near-inertial wave (NIW) trapping by a mesoscale anticyclone and typhoon ?Kompasu? was observed in the northern South China Sea. The observations provide evidence for the trapping of NIW packets of amplitude ~0.2 m/s near...
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Jun Liu, Zhongwei Li, Guoliang Dai and Weiming Gong
Sidewall roughness is a key factor influencing the shaft resistance of rock-socketed piles. Owing to the difficulties in onsite measuring and the inconsistency in quantitatively characterizing the roughness degree of sidewalls, existing approaches for es...
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Yuhui Zhang and Yuanyuan Zhao
This paper is centered around the theoretical, experimental, and simulation analysis of safe passage redundancy and the mechanical deformation of the taxiway bridge under the fatigue accumulation state, and we define the redundancy as the remaining times...
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Christopher Glaser, Jouke Hijlkema and Jérôme Anthoine
Hybrid rocket propulsion, first demonstrated by the Russian GIRD-09 rocket in 1933, combines liquid oxidizer and solid fuel for thrust generation. Despite numerous advantages, such as enhanced safety, controllability, and potential environmental benefits...
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Wafa Elmannai, Khaled Elleithy, Andrew Anthony Benz, Alberto Carmine DeAngelis and Nick Weaver
This paper aims to design and implement a robust wireless charging system that utilizes affordable materials and the principle of piezoelectricity to generate clean energy to allow the user to store the energy for later use. A wireless charging system th...
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Seyyedbehrad Emadi, Haiying Ma, Jose Antonio Lozano-Galant and Jose Turmo
Nodal rotations are produced by bending and shear effects and bending rotations can be easily calculated using Euler?Bernoulli?s stiffness matrix method. Nevertheless, shear rotations are traditionally neglected, as their effects are practically negligib...
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Yunfeng Hu, Bin Tang, Chaoyi Chen, Lexing Hu, Qingming Huang, Jiaqi Cai, Jinbo Xie, Bin Li and Zhaohui Wu
In recent years, due to the rise of the Internet of Things (IoT), various sensors have come to be in great demand for IoT devices. Analog-to-digital converters (ADCs) act as an important part of receivers in sensors. To improve the uptime of IoT devices,...
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