Zobrazeno 1 - 10
of 594
pro vyhledávání: '"SHUCAI LI"'
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 1, Pp 284-294 (2024)
A method based on solid phase extraction (SPE) combined with ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was established for the determination of 24 acid industrial dyes in food. The sample was extracted with am
Externí odkaz:
https://doaj.org/article/37f76ba95c4940e5be3ce989b7e651df
Publikováno v:
Engineering, Vol 27, Iss , Pp 150-160 (2023)
Accurate and effective identification of adverse geology is crucial for safe and efficient tunnel construction. Current methods of identifying adverse geology depend on the experience of geologists and are prone to misjudgment and omissions. Here, we
Externí odkaz:
https://doaj.org/article/e59dbe8f417747c783e74474cbb4aa92
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 5, Pp 1531-1544 (2022)
The stress state in a rock mass is complex. Stress redistribution around underground excavation may lead to various failure modes, including compressive-shear, tensile-shear, and tensile failures. The ability to perform laboratory tests with these co
Externí odkaz:
https://doaj.org/article/22bb576fc34947908ca860acde6fac99
Publikováno v:
International Journal of Mining Science and Technology, Vol 32, Iss 4, Pp 669-684 (2022)
Recently a new grout material called water inflow sealing (WIS) was invented for sealing water inflow in tunneling and underground constructions. In this study, a special experimental method called intubated counter grouting (ICG) was proposed to inv
Externí odkaz:
https://doaj.org/article/5565547d166741118760ec7670ab451b
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 14, Iss 2, Pp 423-435 (2022)
It is difficult to temporally and spatially track and characterize the slurry viscosity in flowing water during grouting simulation. In this study, a sequential flow and solidification (SFS) method considering the spatial-temporal evolution of slurry
Externí odkaz:
https://doaj.org/article/9fe6af874532473bbf79d563013b02a2
Autor:
Shucai Li, Chenyang Ma, Rentai Liu, Mengjun Chen, Jia Yan, Zhenjun Wang, Shaolong Duan, Huasheng Zhang
Publikováno v:
International Journal of Mining Science and Technology, Vol 31, Iss 5, Pp 753-763 (2021)
Grouting is the most commonly used method to control water inrush in underground engineering. Traditional cement-based materials are easy to dilute and hard to coagulate under the influence of large flow and high-velocity water inrush. To address the
Externí odkaz:
https://doaj.org/article/c3d66762dd044bcb8fadbeacf46ee9c1
Publikováno v:
International Journal of Mining Science and Technology, Vol 31, Iss 4, Pp 591-601 (2021)
Automatically formed roadway (AFR) by roof cutting with bolt grouting (RCBG) is a new deep coal mining technology. By using this technology, the broken roadway roof is strengthened, and roof cutting is applied to cut off stress transfer between the r
Externí odkaz:
https://doaj.org/article/d0b161f6c82241d697bae0b3a6510e1c
Publikováno v:
Ceramics-Silikáty, Vol 63, Iss 2, Pp 164-173 (2019)
A geopolymer blended with fly ash (FA) and ground granulated blast-furnace slag (GGBS) was designed to investigate the properties of geopolymer (GP) - based grouting materials from different aspects. The workability, i.e. flowability, bleeding capaci
Externí odkaz:
https://doaj.org/article/68e290bc60834ae09b9b60d0139352a9
Publikováno v:
The Innovation, Vol 2, Iss 2, Pp 100105- (2021)
Externí odkaz:
https://doaj.org/article/b5940dc0ad6349bdbe8282087dfa4d09
Autor:
Hao Zhou, Mingsheng Wang, Shucai Li, Zhenxing Cao, Anjia Peng, Guang Huang, Liqiang Cao, Jianbo Fei
Publikováno v:
Applied Sciences, Vol 12, Iss 10, p 5066 (2022)
An accurate second-order spatial and temporal finite-difference scheme is applied to solve the dynamics model of a depth-averaged avalanche. Within the framework of the MacCormack scheme, a total variation diminishing term supplements the corrector s
Externí odkaz:
https://doaj.org/article/5b9202388db74bf0b98da1a599c16005