Numerical Analysis of Shield Tunnelling Breakthrough Working Shaft by Artificial Ground Freezing Method under Extreme Conditions Considering Phase Change Latent Heat

Autor: Shengjun Deng, Yang He, Mingqi Yang, Feng Zhou, Heng Liu, Rui Zhu, Zhihui Wan

Publikováno v: Applied Sciences, Vol 13, Iss 6, p 3651 (2023)

The artificial ground freezing method has been widely used in shield tunneling breakthrough working shafts. The freezing effect was mainly considered in the previous research, and the heat generation of the shield machine was not considered, which ha

Externí odkaz: https://doaj.org/article/4cb69ba5328d41ea929ce4e97bca7d2c

Test Study on the Stress and Deformation Behaviors of a Shaft Supported by a Prefabricated Prestressed Structure

Autor: Guoqing Zhao, Suyun Meng, Chengli Guan, Yuyou Yang

Publikováno v: Applied Sciences, Vol 9, Iss 4, p 629 (2019)

Soil deformation control is the key to shaft support. To better control soil deformation, improve construction efficiency, and reduce pollution, this study proposed a prefabricated prestressed supporting structure. The structure consisted of prefabri

Externí odkaz: https://doaj.org/article/0a4475847b9943d88fff3881cab9f9ce

Розробка математичного опису механічних характеристик взаємопов'язаного багатодвигунного електроприводу сушильної установки

Autor: Sultanbek Issenov, Ruslan Iskakov, Kazhybek Tergemes, Zhanat Issenov

Publikováno v: Eastern-European Journal of Enterprise Technologies; Vol. 1 No. 8(115) (2022): Energy-saving technologies and equipment; 46-54
Eastern-European Journal of Enterprise Technologies; Том 1 № 8(115) (2022): Энергосберегающие технологии и оборудование; 46-54
Eastern-European Journal of Enterprise Technologies; Том 1 № 8(115) (2022): Енергозберігаючі технології та обладнання; 46-54

More than 60 % of electric energy in industry and agriculture is consumed by an electric drive. In a number of production mechanisms, machines and aggregates of various industries, synchronous rotation of several electric motors connected to each oth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c31d03637fc51cea83a8879b13175f4
http://journals.uran.ua/eejet/article/view/251232

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