Zobrazeno 1 - 10
of 345
pro vyhledávání: '"Zhiguo Yan"'
Autor:
Yao Zhang, Qianru Lei, Weigang Zhao, Yumeng Yang, Yichao Wang, Zhiguo Yan, Hehua Zhu, J. Woody Ju
Publikováno v:
Materials & Design, Vol 236, Iss , Pp 112503- (2023)
An improved micromechanical model to estimate the thermal conductivity of multi-scale fiber reinforced ultra-high performance concrete (MSFUHPC) subjected to elevated temperatures is formulated in this study. This model considers the contributions of
Externí odkaz:
https://doaj.org/article/8f0eb2a12d9f4f0a997142d2b8c83d52
Publikováno v:
Developments in the Built Environment, Vol 16, Iss , Pp 100269- (2023)
Physics-based models or data-driven methodologies can help acquire the evacuation process for optimizing evacuation and rescue plans. However, neither of these methodologies can predict the process rapidly and precisely. Physics-based models rely on
Externí odkaz:
https://doaj.org/article/95b0a0b6fcff45ba93b6d1177166622b
Autor:
Xi Jiang, Hehua Zhu, Zhiguo Yan, Fengshou Zhang, Fei Ye, Peinan Li, Xuehui Zhang, Zhiren Dai, Yun Bai, Baoshan Huang
Publikováno v:
Developments in the Built Environment, Vol 16, Iss , Pp 100250- (2023)
Backfill grouting plays a vital role in shield tunneling. This paper aims to present a comprehensive review of the development and progress of backfill grouting materials specifically designed for shield tunneling. Initially, the various components o
Externí odkaz:
https://doaj.org/article/ec6fb549a9864a0cb8efaa790cfedc06
Publikováno v:
Underground Space, Vol 8, Iss , Pp 252-266 (2023)
Full-scale loading tests were performed on shield segmental linings bearing a high earth pressure and high inner water pressure, focusing on the effects of the inner water load and assembly manner on the mechanical properties of the segmental linings
Externí odkaz:
https://doaj.org/article/075e2e1d544445489b6bcca2df5522fb
Publikováno v:
Underground Space, Vol 7, Iss 6, Pp 1056-1067 (2022)
In circular shield tunnels bearing high inner pressure or rectangular shaped shield tunnels, as the axial force at the segmental lining decreases, the bolt load at the segmental joint increases. It is essential to adopt high-stiffness segmental joint
Externí odkaz:
https://doaj.org/article/f1996235718e4b3b9888692bc3c25624
Publikováno v:
Catalysis Communications, Vol 178, Iss , Pp 106669- (2023)
The high cost of the silver catalyst for ethylene epoxidation to ethylene oxide (EO) requires the development of the catalyst with a lower silver loading and a longer catalyst life span. Preventing silver particles from clustering could help maintain
Externí odkaz:
https://doaj.org/article/6fc74d9d4fe449bb9e73f1d1568559f1
Publikováno v:
Mathematics, Vol 11, Iss 20, p 4372 (2023)
Based on the unwinding problem caused by the dual valued property of the quaternion description method, this paper designs an anti-unwinding sliding mode adaptive attitude tracking control with external disturbances and inertia matrix uncertainty. Th
Externí odkaz:
https://doaj.org/article/52ce2260cd974994b4990f868255fb00
Publikováno v:
IEEE Access, Vol 10, Pp 24255-24263 (2022)
This paper is concerned with the finite time annular domain robust stability (FTADRS) analysis and controller design for T-S fuzzy positive systems with interval uncertainties. The concept of finite time annular domain stability is first introduced f
Externí odkaz:
https://doaj.org/article/0e596badb0dc47bbb151b875439d0858
Autor:
Fangzhou Xu, Yuandong Wang, Han Li, Xin Yu, Chongfeng Wang, Ming Liu, Lin Jiang, Chao Feng, Jianfei Li, Dezheng Wang, Zhiguo Yan, Yang Zhang, Jiancai Leng
Publikováno v:
Frontiers in Aging Neuroscience, Vol 14 (2022)
Hemiplegia is a common motor dysfunction caused by a stroke. However, the dynamic network mechanism of brain processing information in post-stroke hemiplegic patients has not been revealed when performing motor imagery (MI) tasks. We acquire electroe
Externí odkaz:
https://doaj.org/article/f525323d5c5c4feb99b0428a0b4293e1
Publikováno v:
IEEE Access, Vol 9, Pp 17284-17295 (2021)
This paper is concerned with the finite-time annular domain bounded control of Itô-type stochastic systems with Wiener and Poisson random disturbance. First, utilizing different quadratic function methods, some sufficient conditions for finite-time
Externí odkaz:
https://doaj.org/article/98062cc08666481bb7482e00a31dc0b9