Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Jinhai Zhao"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 5, Pp 25-35 (2024)
The key to gas drainage in goaf is to understand the evolution process of overlying strata fissures on working face. In order to study the evolution law of mining-induced compaction area of overburden rock in fully mechanized mining face and efficien
Externí odkaz:
https://doaj.org/article/8d26428cbd0c4baea4bb1bf15798ba37
Publikováno v:
Meitan xuebao, Vol 49, Iss 3, Pp 1345-1357 (2024)
Distributed optical fiber sensing is an important tool for understanding the dynamic evolution of mining rock movement, and the accuracy of monitoring data mainly depends on the fiber-rock coupling relationship. In this study, the 22207 working face
Externí odkaz:
https://doaj.org/article/6c01cafc15cf4689b6168f3d7cca275e
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 3, Pp 63-73 (2024)
In order to study the fiber optical strain characterization method of the overlying rock structure during mining in a certain mine in northern Shannxi, based on the engineering geological conditions of 12217 working face in Buertai Mine, the strain m
Externí odkaz:
https://doaj.org/article/953ee6bc697e4b8fa9ee47b0dd1d4c41
Publikováno v:
Buildings, Vol 14, Iss 10, p 3220 (2024)
With the increasing demand for the performance and design refinement of steel structures (including houses, bridges, and infrastructure), many structures have adopted ultimate bearing capacity in service. The design service lives of steel building st
Externí odkaz:
https://doaj.org/article/c96c207309bc4aa8aa7c2ee71f2c5a42
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 7, Pp 118-128 (2023)
Coal mining is seriously threatened by fault water inrush, showing the disaster characteristics of hysteresis and concealment. Mastering the evolution mechanism and process law of fault water inrush disaster has important theoretical guiding signific
Externí odkaz:
https://doaj.org/article/38339734a664435895d2ea219a22c002
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
In view of the shortcomings of the traditional method of determining the position of the separation layer, according to the actual movement of the pressure balance arch and the rock layer in the overburden, the concept of the triangular separation do
Externí odkaz:
https://doaj.org/article/fdee46959ec941b3bea81cefd4bb2bf6
Publikováno v:
Geofluids, Vol 2022 (2022)
As resource extraction moves deeper underground, backfill mining has received a lot of attention from the industry as a very promising mining method that can provide a safe workplace for workers. However, the safe and efficient transport of fill slur
Externí odkaz:
https://doaj.org/article/7e4d29109fe546da8aa3060ca9ce57cd
Autor:
Chuanai Cao, Yining Xu, Meiyue Liu, Baohua Kong, Fengxue Zhang, Hongwei Zhang, Qian Liu, Jinhai Zhao
Publikováno v:
Foods, Vol 11, Iss 22, p 3581 (2022)
The present study investigated the additive effects of L-Arginine (L-Arg) with potassium carbonate (PC) on the quality characteristics of phosphate-free frankfurters. The results showed that L-Arg combined with PC could act as a viable phosphate repl
Externí odkaz:
https://doaj.org/article/962b0b339e054eb88777f831c8c431e9
Publikováno v:
Frontiers in Materials, Vol 8 (2021)
The coal mining technology of fully mechanized solid filling is an efficient and green mining method that integrates “sediment reduction” and “emission reduction.” However, the discharge of wasted gangue and surface subsidence are controlled
Externí odkaz:
https://doaj.org/article/4a487dacf71b4299b5ef1cee77bc1280
Autor:
Jinhai Zhao
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 5, Iss Special Issue: Computational Methods for Material Failure, Pp 498-516 (2019)
Peridynamics (PD) is a nonlocal continuum theory based on integro-differential equations without spatial derivatives. The elongation fracture criterion is implicitly incorporated in the PD theory, and fracture is a natural outcome of the simulation.
Externí odkaz:
https://doaj.org/article/c7ba5cd763b2474482f2d11ade4f99ef