Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Yexue Li"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-8 (2024)
Abstract To study the dynamic mechanical characteristics of coal in the area affected by mining in front of the mining face under different mining methods, an improved split Hopkinson pressure bar (SHPB) was used to apply different static loads to di
Externí odkaz:
https://doaj.org/article/2dcf916244754d9b9dcb9630df8e7a18
Autor:
Ziping Wang, Shengwei Li, Yi Zhang, Peiwen Qi, Youyou Zhang, Yuanjing Chen, Yexue Li, Gang Zeng
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract The tensile properties of coal under dynamic loading are important mechanical characteristics of coal and are highly important for controlling coal rock stability under impact loading conditions, selecting blasting engineering parameters, an
Externí odkaz:
https://doaj.org/article/8f323ef675c242aab3ed4f051131896c
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-15 (2024)
Abstract The environment of deep in-situ occurrence is complex, and secondary dynamic disasters occur frequently. Exploring the dynamic constitutive models of coal at different depths is the foundation for deep resource development, which can help pr
Externí odkaz:
https://doaj.org/article/a876c1e123504da2906a656b95078fe1
Publikováno v:
Buildings, Vol 14, Iss 9, p 2672 (2024)
Construction waste detection under complex scenarios poses significant challenges due to low detection accuracy, high computational complexity, and large parameter volume in existing models. These challenges are critical as accurate and efficient det
Externí odkaz:
https://doaj.org/article/43582902619447389f82708ee650f0e2
Publikováno v:
Advances in Civil Engineering, Vol 2019 (2019)
A SHPB experiment of porous sandstone was conducted to discuss the influencing principle of porosity on the energy dissipation of stress wave across dry and saturated porous sandstones. Changes in porosity before and after the SHPB experiment were an
Externí odkaz:
https://doaj.org/article/c0794c1907e54b89ba5d65df9f42c44d
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources. 9
Dynamic disasters frequently occur in deep coal mines, where coals and rocks are under high in situ stresses. To reveal the failure mechanism of deep burying coals, the specimens were made of buried coals at a depth of about 1 km. An improved Kolsky
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::231ed4b2c7c0efdf8d4e0c4f3df184a6
https://doi.org/10.1007/s40948-023-00589-1
https://doi.org/10.1007/s40948-023-00589-1
Publikováno v:
IEEE Geoscience and Remote Sensing Letters. 19:1-5
Time-frequency (TF) analysis is a powerful tool to describe the frequency response of subsurface rocks and hydrocarbon reservoirs. In this letter, the matching demodulation synchrosqueezing S transform (MDSST) that achieves a highly concentrated TF r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e785ba3f0aa94d3306802cadd639803e
https://doi.org/10.1109/lgrs.2020.3047892
https://doi.org/10.1109/lgrs.2020.3047892
Publikováno v:
Journal of Construction Engineering and Management. 148
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c43659e84a634f7a61c3b6483921b8f
https://doi.org/10.1061/(asce)co.1943-7862.0002283
https://doi.org/10.1061/(asce)co.1943-7862.0002283
Publikováno v:
Journal of Vibroengineering, Vol 23, Iss 1, Pp 183-196 (2020)
Multiple earthquake damages show that the long-period ground movements have an amplification effect on the dynamic response and seismic damage of long-period structures. To form an improved code design spectrum suitable for long-period ground movemen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8567fa7f6fb38b14f2140791c8658eef
https://doi.org/10.21595/jve.2020.21618
https://doi.org/10.21595/jve.2020.21618
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
To provide an important reference for the energy-based seismic design of long-period structures, the elastoplastic dynamic analysis program is employed to study the seismic energy response of single-degree-of-freedom (SDOF) systems under two types of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d20bcbcdc3790f01e04e5f0c2fdbdf94