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Xiuying Wang, Zhongsheng Tan, Qinglou Li and Weihan Zheng
The primary support structure of a tunnel often needs various support methods, such as bolts, steel arch frames, and shotcrete. It is of great significance to quickly calculate the displacement of tunnel walls and the bearing capacity of primary supports...
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Yi Hu, Yong Zhao and Haopeng Liang
This paper proposes a novel fully nonlinear refined beam element for pre-twisted structures undergoing large deformation and finite untwisting. The present model is constructed in the twisted basis to account for the effects of geometrical nonlinearity a...
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Peisong Wu and Jinping Ou
Isolation technology has been successfully applied in seismic migration. With increasing of seismic demand, seismic performance of isolation structures subjected to very-rare earthquakes need further improvement. However, the isolation layer generally la...
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Vanel Lazcano
Optical flow is defined as the motion field of pixels between two consecutive images. Traditionally, in order to estimate pixel motion field (or optical flow), an energy model is proposed. This energy model is composed of (i) a data term and (ii) a regul...
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Han Qin and Luyu Li
The conclusions acquired in this paper can be used for assessing damping modeling errors in multiple support excitation problems. The modeling method proposed in this paper can be used for both spectral analysis, linear or nonlinear time history analysis...
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Zhaohui Yao, Yiwen Qi, Wen Bao and Tianhong Zhang
A high-precision variable-thrust control method based on real-time measurement of pintle displacement and closed-loop feedback control is proposed to solve the technical problems of deep throttling variable-thrust regulation and control of pintle liquid ...
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Jae-Do Kang, Eun-Rim Baek and Sung-Ho Park
For measuring the structural health of buildings, high-performance vibration detection devices are used in a structural health monitoring (SHM) system, which consists of a sensor and a data logger. Those devices are seismographs or devices with high-perf...
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Meixiang Gu, Xiaocong Cai, Qiang Fu, Haibo Li, Xi Wang and Binbing Mao
The three-dimensional finite difference method was used in this study to analyze the deformation and stresses of a passive pile under surcharge load in extensively deep soft soil. A three-dimensional numerical model was proposed and verified by a field t...
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Nan Qiao, Yun-Ling Duan, Xiao-Meng Shi, Xue-Fei Wei and Jin-Ming Feng
The excavation of large-scale underground projects produces a large amount of rubble waste material that is temporarily deposited near the project site, which forms a large-scale waste rockfill artificial slope. The slope has a granular structure, thus, ...
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Jiajia Wang and Guangming Li
Bridge displacement measurement is an important area of bridge health monitoring, which can directly reflect whether the deformation of bridge structure exceeds its safety permission. Target tracking technology and Digital Image Correlation (DIC) are two...
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Zengli Wang, Lin Liu, Hanlin Zhou and Minxuan Lan
Crime geographical displacement has been examined in many Western countries. However, little is known about its existence, distribution, and potential predictive ability in large cities in China. Compared to the existing research, this study contributes ...
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Lumantarna, E.,Lam, N.,Wilson, J.
Pág. 156 - 165
Assessment of structures according to conventional seismic design procedure has been based on trading off strength and ductility (or displacement) to provide sufficient energy dissipation capacity to structures. Consequently, structures in regions of hig...
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Huawei Ji, Chuanping Zhou, Jiawei Fan, Huajie Dai, Wei Jiang, Youping Gong, Chuzhen Xu, Ban Wang and Weihua Zhou
The vibration of flexible structures in spacecraft, such as large space deployable reflectors, solar panels and large antenna structure, has a great impact on the normal operation of spacecraft. Accurate vibration control is necessary, and the control of...
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Paul Olteanu and Radu Vacareanu
In support of displacement-based design (DBD), an attenuation model for the prediction of the spectral displacement of intermediate-depth earthquakes generated by Vrancea source is proposed. DBD is an alternative to force-based design, the main benefits ...
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Kirsten DePrekel, El Hachemi Bouali and Thomas Oommen
Transportation infrastructure is critical for the advancement of society. Bridges are vital for an efficient transportation network. Bridges across the world undergo variable deformation/displacement due to the Earth?s dynamic processes. This displacemen...
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Elisabetta Persi, Gabriella Petaccia, Stefano Sibilla, Roberto Bentivoglio and Aronne Armanini
An advection-diffusion model is proposed to simulate large wood transport during high flows. The mathematical model is derived from the wood mass balance, taking into consideration both the wood mass concentration and the log orientation, which affects l...
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Tao Wang, Yu Xiang, Liyuan Liu and Wang Xiong
Relying on the Mawan undersea large-diameter, dual-line, mud?water-balanced shield tunnel project and focusing on the characteristics of the tunnel, such as the complex geological conditions at the expected intersection location and the existence of a su...
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Maciej Wardach, Joanna Agnieszka Pawlowicz, Marta Kosior-Kazberuk and Janusz Ryszard Krentowski
Technological developments involving the implementation of modern measuring equipment and the digitalisation of civil engineering can contribute to extending the service life of buildings. Large-panel buildings constitute a large housing stock throughout...
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Chengjun Wang, Fan Ding, Liuyi Ling and Shaoqiang Li
Automatic milking systems (AMSs) for medium and large dairy farms in China require manual assistance to attach the teat cup, which greatly affects the milking efficiency and labor costs. In this regard, it is necessary to realize the automatic completion...
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Wanqi Wang and Wenge Qiu
Large deformations can easily occur when tunneling through weak surrounding rock with high underground stresses. Under high-stress environments, the surrounding rock stores a large amount of strain energy, and the strain energy stored in the soft and wea...
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