Study on Dynamic Crack Expansion and Size Effect of Back–Filling Concrete under Uniaxial Compression

Study on Dynamic Crack Expansion and Size Effect of Back–Filling Concrete under Uniaxial Compression

With the continuous expansion of the application range of gob–side entry retaining technology, the depth, height, and advancing speed of coal seams also increase, which brings great problems to the stability control of surrounding rock structures of gob–side entry retaining. As one of the main beari...

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Bibliographic Details
Main Authors: Xicai Gao, Huan Xia, Kai Fan, Leilei Yi, Jianhui Yin
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Materials
Subjects:
gob-side entry retaining
back–filling concrete
YOLOv5
crack identification
size effect
Online Access:https://www.mdpi.com/1996-1944/16/23/7503

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