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Akademický článek

Experimental study on dynamic mechanical properties and damage law of steel fiber concrete

Autor: Yisong YU, Diyuan LI, Jingtai JIANG, Jinyin MA, Jiaming LIU

Publikováno v: 工程科学学报, Vol 46, Iss 12, Pp 2181-2190 (2024)

Investigating the effect of steel fiber blending schemes on the dynamic mechanical properties and damage evolution of concrete is crucial for deep-shaft construction projects. Dynamic impact tests were conducted on steel fiber concrete specimens with

Externí odkaz: https://doaj.org/article/bf0b9833f72c4f6f81a5efa9fae45249

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Akademický článek

Numerical simulation on the dynamic mechanical response and fracture mechanism of rocks containing a single hole

Autor: Zhenyu Han, Kai Liu, Jinyin Ma, Diyuan Li

Publikováno v: International Journal of Coal Science & Technology, Vol 11, Iss 1, Pp 1-20 (2024)

Abstract Caverns and tunnels are constantly exposed to dynamic loads, posing a potentially significant threat to the safety of rock structures. To facilitate the understanding of dynamic fracture around openings, a series of discrete element models w

Externí odkaz: https://doaj.org/article/befb1c09a20a49d4a2f96a6e1cba03ea

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Akademický článek

Experimental investigation on mechanical properties and deformation mechanism of soft-hard interbedded rock-like material based on digital image correlation

Autor: Pingkuang Luo, Diyuan Li, Jinyin Ma, Aohui Zhou, Chengxi Zhang

Publikováno v: Journal of Materials Research and Technology, Vol 24, Iss , Pp 1922-1938 (2023)

The soft-hard interbedded rocks are often encountered in rock engineering such as mining engineering, tunnel engineering, and natural gas engineering. In this study, the horizontal soft-hard interbedded composite rock-like material (HSHC) specimens w

Externí odkaz: https://doaj.org/article/de50784be3de46648abb1f001d74f3e7

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Akademický článek

Experimental Study on the Floor Heave and Failure Process of Rock Samples under Biaxial Step Loading

Autor: Diyuan Li, Zhen Peng, Quanqi Zhu, Jinyin Ma, Hao Gong

Publikováno v: Applied Sciences, Vol 13, Iss 23, p 12757 (2023)

Floor heave is a typical tunnel issue in tunnelling engineering. To gain deep insights into the deformation mechanism and failure processes of floor heave at the bottom of a tunnel in layered rock, biaxial step-loading tests were conducted on rock sa

Externí odkaz: https://doaj.org/article/9b851196af6449bb969cad7cb24d2fd2

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Akademický článek

Experimental Studies on Rock Thin-Section Image Classification by Deep Learning-Based Approaches

Autor: Diyuan Li, Junjie Zhao, Jinyin Ma

Publikováno v: Mathematics, Vol 10, Iss 13, p 2317 (2022)

Experimental studies were carried out to analyze the impact of optimizers and learning rate on the performance of deep learning-based algorithms for rock thin-section image classification. A total of 2634 rock thin-section images including three rock

Externí odkaz: https://doaj.org/article/ab1f5c2a1b924b16b546875f598ec9b9

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