Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Liuhua Yang"'
Autor:
Liuhua YANG, Jincang LI, Shenghua YIN, Huazhe JIAO, Xinming CHEN, Yunpeng KOU, Zengjia WANG, Hengwei JIA
Publikováno v:
Meitan xuebao, Vol 49, Iss 4, Pp 1894-1905 (2024)
Cemented paste backfill is a suspension composed of solid-liquid-gas three-phase. For a long time, the focus has been mostly on the rheological behavior of solid-liquid two-phase, while the effect of gas phase on slurry with complex rheological behav
Externí odkaz:
https://doaj.org/article/99a68de85ad041bc9a506b51b1d0c513
Publikováno v:
Minerals, Vol 13, Iss 11, p 1377 (2023)
Due to the lack of clarity in the strength design of underground tailings reservoirs, it is imperative to investigate the interaction between the tailings deposit body (TDB) and surrounding rock. Taking the TDB as the subject of analysis, a different
Externí odkaz:
https://doaj.org/article/786c2f3219ca42b5abd2ead112a74912
Autor:
Xi Chen, Huazhe Jiao, Juanhong Liu, Yixuan Yang, Xinming Chen, Liuhua Yang, Wenxiang Zhang, Tongyi Yang
Publikováno v:
Minerals, Vol 13, Iss 9, p 1215 (2023)
As the mine enters the deep mining stage, there is a need to enhance the compressive strength and toughness of the backfill. The objective of this study is to examine the mechanical properties of cemented tailings backfill after the incorporation of
Externí odkaz:
https://doaj.org/article/9eb27030fbb04ba2be1a318d5f79a38e
Publikováno v:
Minerals, Vol 13, Iss 8, p 1045 (2023)
Since filling slurry is a cement-based material, viscosity-enhancing admixture exerts a significant effect on its rheological performance and mechanical properties. Viscosity-enhancing admixture can improve pipeline transportation performance and red
Externí odkaz:
https://doaj.org/article/d2c9aaceb747450e945d2d9745e04550
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
The indexes of argillaceous soft rocks in Western China, such as rock strength and softening coefficient, are much smaller than those of soft rocks commonly seen in other areas. Such argillaceous soft rocks are susceptible to a more serious creep phe
Externí odkaz:
https://doaj.org/article/f3e5bb45462e46dfa076a5ccd2b2926f
Publikováno v:
Minerals, Vol 12, Iss 12, p 1622 (2022)
In China, cemented paste backfill (CPB) is a common treatment method after the exploitation of basic energy. The homogeneity of slurry influences the performance of CPB. However, the online monitoring and characterization of homogeneity lack relevant
Externí odkaz:
https://doaj.org/article/7d796ced0fac400e85db0e0625a77d16
Autor:
Jinxing Wang, Menghang Xing, Xiaolin Yang, Huazhe Jiao, Fengbin Chen, Liuhua Yang, Jianxin Yu, Yu Fu
Publikováno v:
Buildings, Vol 13, Iss 1, p 51 (2022)
With the vigorous development of the world’s mineral resources, the global ecological environment has been severely damaged. The tailings cemented filling technology is an important way to realize the green and low-carbon development of the mining
Externí odkaz:
https://doaj.org/article/0a956a673b2249c19a264aa557e7c9df
Publikováno v:
Buildings, Vol 12, Iss 8, p 1236 (2022)
The grouting method is often used to strengthen the bearing capacity of building foundations. In the process of grouting, the stress structure of slurry and rock and the soil mass under the condition of high permeability and high stress (“double he
Externí odkaz:
https://doaj.org/article/f3e4b58d615348f2a1a0d5e4d91121a8
Autor:
Xinming Chen, Haowen Zhang, Yuping Wu, Huazhe Jiao, Liuhua Yang, Qinting Wang, Wenxiang Zhang
Publikováno v:
Materials, Vol 15, Iss 14, p 4846 (2022)
Layering of filling body is common in large-scale filling areas. In this paper, the cement–sand ratio of 1:8 is based on the configuration of 68%, 70%, 72% and 74%; four concentrations; and filling layers of one-, two-, three- and four-layered ceme
Externí odkaz:
https://doaj.org/article/3d89a4f08e8e4903aaac0bdaac5e0a96
Publikováno v:
Energies, Vol 15, Iss 9, p 3233 (2022)
A larger mining height leads to easy caving of the coal wall in the working face. The flexible reinforcement method during the mining period of the working face affects the normal mining of the working face, and the high strength of the traditional b
Externí odkaz:
https://doaj.org/article/81fcb2bfd93f4355ba0955cba158c35b