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Lutz Auersch
The mitigation of train-induced ground vibrations by track solutions is investigated by calculations and measurements. The calculation by a wavenumber domain method includes the correct vehicle?track interaction and the correct track?soil interaction. So...
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Feng Guo, Cangqin Jia, Zuochun Li, Yajian Wang, Feng Huang, Guihe Wang and Shuo Yang
Sheet piles are extensively used as foundation structures in urban environments. However, the vibrations associated with sheet pile construction can potentially adversely affect existing buildings, as well as cause discomfort to nearby residents. This st...
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Guifeng Zhao, Meng Wang, Ying Liu and Meng Zhang
With the continuous expansion of the scale of power grid and transportation infrastructure construction, the number of crossovers between transmission lines and high-speed railways continues to increase. At present, there is a lack of systematic research...
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Jinyang Li, Zhenyu Nie, Yunfei Chen, Deqiang Ge and Meiqing Li
To obtain a more consistent droplet distribution and reduce spray drift, it is necessary to keep the entire spray boom parallel to the crop canopy or ground and maintain a certain distance from the spray nozzles to the crop canopy or ground. A high-perfo...
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Dong Dai, Du Chen, Shumao Wang, Song Li, Xu Mao, Bin Zhang, Zhenyu Wang and Zheng Ma
Effective indoor testing on a four-poster rig of agricultural machinery should mimic the real-world environment while the machinery is in farming and transportation. The emerging load spectrum extrapolation and compilation are capable of speeding up the ...
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Qiang Fu, Meixiang Gu, Jie Yuan and Yifeng Lin
In recent years, the high development of high-speed railway lines cross through areas with poor geological conditions, such as soft soil, offshore and low-lying marsh areas, resulting geotechnical problems, such as large settlements and reduction of bear...
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Gabriele Dessena, Dmitry I. Ignatyev, James F. Whidborne, Alessandro Pontillo and Luca Zanotti Fragonara
Beam-like flexible structures are of interest in many fields of engineering, particularly aeronautics, where wings are frequently modelled and represented as such. Experimental modal analysis is commonly used to characterise the wing?s dynamical response...
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Pengtao Shi, Feng Liu, Yingsong Gu and Zhichun Yang
A flight test platform is designed to conduct an experimental study on the body freedom flutter of a BWB flying wing, and a flight test is performed by using the proposed platform. A finite element model of structural dynamics is built, and unsteady aero...
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Jie Zeng, Panayiotis C. Roussis, Ahmed Salih Mohammed, Chrysanthos Maraveas, Seyed Alireza Fatemi, Danial Jahed Armaghani and Panagiotis G. Asteris
This research examines the feasibility of hybridizing boosted Chi-Squared Automatic Interaction Detection (CHAID) with different kernels of support vector machine (SVM) techniques for the prediction of the peak particle velocity (PPV) induced by quarry b...
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Md Motiur Rahman, Tahmina Tasnim Nahar and Dookie Kim
This paper investigates the performance of tuned mass damper (TMD) and dynamic behavior of TMD-controlled concrete structure considering the ground motion (GM) characteristics based on frequency content. The effectiveness of TMD in reducing the structura...
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Krzysztof R. Czech and Wojciech Gosk
The study investigates the surface vibrations generated by a new generation, tri-band hydraulic compactor type V8 from Maschinentechnik Schrode AG (MTS), and a reversible plate compactor type DPU 6055 from Wacker Neuson in close proximity to a low-rise r...
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Dongwang Zhong, Xiangchao Gong, Fang Han and Linna Li
Although the use of polyethylene (PE) pipelines has become increasingly widespread in recent years, few studies have addressed their seismic design and ability to withstand blast waves. In order to establish their seismic capacity, the dynamic response o...
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N. Sri Chandrahas, Bhanwar Singh Choudhary, M. Vishnu Teja, M. S. Venkataramayya and N. S. R. Krishna Prasad
The two most frequently heard terms in the mining industry are safety and production. These two terms put a lot of pressure on blasting engineers and crew to give more while consuming less. The key to achieving the optimum blasting results is sophisticat...
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Kah Chun Lau, Dantong Qiu, Xiangyi Luo, Jeffrey Greeley, Larry A. Curtiss, Jun Lu and Khalil Amine
We describe a series of metastable Li2O2 crystal structures involving different orientations and displacements of the O22- peroxy ions based on the known Li2O2 crystal structure. Within th...
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Jijian Lian, Linrui Zuo, Xiaoqun Wang and Lu Yu
This study analyzes the ambient vibrations induced while running the Mount Changlong pumped-storage power station (PSPS). The ground vibration data of the power station during its operation were acquired with vibration sensors. Different units were selec...
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Yaowen Zhang, Yechao Liu, Zongwu Xie, Yang Liu, Baoshi Cao and Hong Liu
This study investigates the visual servo control of the space station macro/micro manipulator system. The proposed approach is based on the position-based eye-in-hand visual servo (PBVS) and takes advantage of the hardware sensors to overcome the macro m...
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Mikael Ögren, Anita Gidlöf-Gunnarsson, Michael Smith, Sara Gustavsson and Kerstin Persson Waye
The aim of this study is to compare vibration exposure to noise exposure from railway traffic in terms of equal annoyance, i.e., to determine when a certain noise level is equally annoying as a corresponding vibration velocity. Based on questionnaire dat...
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Ján Erdélyi, Alojz Kopácik and Peter Kyrinovic
Weather conditions and different operational loads often cause changes in essential parts of engineering structures, and this affects the static and dynamic behavior and reliability of these structures. Therefore, geodetic monitoring is an integral part ...
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Azamat Seitkhanov,Vitaly Povetkin,Birzhan Bektibay,Mukhtarbek Tatybayev,Amina Bukayeva
Pág. 6 - 16
Hydrotransport equipment of mining and processing plants has low operational reliability, insufficient service life due to intense hydroabrasive wear of the working surfaces of pipelines and pumping equipment, design flaws of some ground pump units and t...
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Sergey Sergeevich Dobrosmyslov, Vladimir Efimovich Zadov, Rashit Anvarovich Nazirov, Gennady Efimovich Nagibin, Anton Sergeevich Voronin, Mikhail Maksimovich Simunin, Yuri Vladimirovich Fadeev and Stanislav Viktorovich Khartov
In this work, a method for obtaining a high-strength composite material on a sulfur binder without the use of chemical modifiers was proposed. It consists in obtaining a thixotropic casting mixture in the vicinity of the yield point of the system during ...
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