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Chuan Li, Haichun Wang, Yunsheng Wang, Lulu Wang, Xi Yang and Xiaorong Wan
Fracture zones in front of tunnel faces can easily cause falling blocks and landslides during the construction process. Using seismic waves and ground-penetrating radar (GPR) data, we extracted the features of fracture zones and achieved the advanced pre...
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Ruodan Yu, He Ma, Jun Zhang and Yan Niu
In order to study the derailment process and dynamic performance-changing rules of vehicles on a curved track, a method of calculating critical derailment speed is proposed, which is the progressive trial method. In terms of their theoretical basis and c...
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Józef Kukulak, Karol Augustowski and Janusz Olszak
This paper presented some hydrological factors affecting the course and rate of fluvial erosion of landslide colluvium at its contact with river flow. Volumes of colluvium eroded by rivers in the period 2013?2019 were measured at Podhale (a part of Polis...
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Kinga Stecula and Radoslaw Wolniak
The paper presents the results of the research on the advantages and disadvantages of innovative e-learning during the COVID-19 pandemic in higher education. In the first stage, an internet questionnaire was used for the study. The research was carried o...
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O. A. Azarova, T. A. Lapushkina, K. V. Krasnobaev and O. V. Kravchenko
The paper is devoted to the problem of the interaction between a shock wave and a thermally stratified energy source for the purpose of supersonic/hypersonic flow control realization. The effect of the thermally stratified energy source on a shock wave w...
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Petar Santrac, Slobodan Grkovic, Danijel Kukaras, Nedo Ðuric and Mila Svilar
This paper describes the works on foundation strengthening of the towers of the Cathedral of St. Theresa of Avila in Subotica and the damages caused by these works. Strengthening was performed by means of jacked-in piles and deep soil injection. The cons...
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Serhiy Gayda,Orest Kiyko
Pág. 89 - 97
This paper addresses the identified issue of the inefficient use of post-consumer wood (PCW) in the technological wood processing due to its surface contamination. An option to resolve this issue by cleaning PCW in a mechanized manner has been proposed, ...
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Syed Haider Ali Shah,Afshan Sultana,Ambreen Gul,Shakeel Sajjad,Shahab Aziz,Abdul Basit,Abdullah Qadir
Pág. 22 - 28
In order to be innovative in hospitality industry the role of leadership style on employees is very crucial. Leaders are in direct contact with employees and their encouragement and support can trigger the employees to be innovative in delivering the ser...
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Barry J. Hibbs and Mercedes Merino
Identification of recharge areas in arid basins is challenging due to spatial and temporal variability and complexity of the hydrogeology. This study re-evaluates recharge mechanism in a desert basin where isotopic and geologic data indicated that publis...
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Jürgen Hüpkes, Gabrielle C. E. Jost, Tsvetelina Merdzhanova, Jorj I. Owen and Thomas Zimmermann
Light management is important for solar cell performance. Light-coupling and light-scattering based on rough interfaces are discussed in detail for the example application in silicon thin-film solar cells. The findings are relevant for many photovoltaic ...
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