Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Liuhua Yang"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Underground grouting is a concealed project, and it is difficult to test the strength of grouting stones in engineering practice. Aiming at the problems of high confined water pressure and strong water-richness of the roadway floor, a pressu
Externí odkaz:
https://doaj.org/article/a11a573aa1c84baf96886ba435fd7fc4
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
Autor:
Jianhong Ma, Qi Wang, Huazhe Jiao, Zhentao Li, Gongcheng Li, Ping Xu, Shuang Zou, Liuhua Yang, Xiaohui Liu
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03934- (2024)
Considering the high consumption and cost of tailings cemented backfill materials and the risk of groundwater pollution due to heavy metal ion leaching from tailings, four groups of cement and tailings in different proportions were used to prepare lo
Externí odkaz:
https://doaj.org/article/84799225137548ba8e0e07e79460443a
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
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
Autor:
Huazhe Jiao, Xi Chen, Xiaolin Yang, Yunfei Wang, Yixuan Yang, Xinming Chen, Liuhua Yang, Jianxin Yu
Publikováno v:
Crystals, Vol 12, Iss 3, p 360 (2022)
The macroscopic aspects of adding basalt fiber (BF) to concrete has been the subject of studies that document great increases in compression strength. Research into the microscopic aspects of the reinforcement mechanism is still in an exploratory sta
Externí odkaz:
https://doaj.org/article/54020d6862104f74bae6d5f127f524c5
Autor:
Fengbin Chen, Bin Xu, Huazhe Jiao, Zhuen Ruan, Juanhong Liu, Xinming Chen, Liuhua Yang, Zhen Li
Publikováno v:
Crystals, Vol 11, Iss 8, p 847 (2021)
Adding basalt fiber into concrete can significantly improve its mechanical properties. In order to explore the influence of basalt fiber content on the uniaxial compressive strength and splitting tensile strength of concrete and the mechanism of fibe
Externí odkaz:
https://doaj.org/article/5afea6bd8d2d490ba9ba721ede011a2d