Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Chongchun Xiao"'
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 6769-6781 (2023)
The rapid concentration of tailings is a crucial initial step in the cemented paste backfill (CPB) process, as it ensures the stability of the backfilling slurry concentration and the continuity of the backfilling process. The structure of flocs play
Externí odkaz:
https://doaj.org/article/f2a1583df95c4fa9a2ea4348560383a3
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4771 (2024)
Ground vibrations induced by underground mining blasting has a significant impact on the stability and safety of surface buildings near mines. Due to the thick rock layers overlying underground mines, there is presently limited accuracy in regard to
Externí odkaz:
https://doaj.org/article/18374fc446be4374a4b93241954e0425
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 3599- (2023)
Externí odkaz:
https://doaj.org/article/740fa2bb205f4c78857aadeab33f8e6d
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 909-920 (2022)
Granulated copper slag (GCS) is currently applied to partial cement replacement as a supplementary cementitious material (SCM), but with a low rate due to its low pozzlanic activity. In this contribution we introduce an approach to enhance the reacti
Externí odkaz:
https://doaj.org/article/4ec681c7b27447e39aae885191a0c331
Autor:
Daolin Wang, Qinli Zhang, Yan Feng, Qiusong Chen, Chongchun Xiao, Hongpeng Li, Yujing Xiang, Chongchong Qi
Publikováno v:
Materials, Vol 15, Iss 10, p 3477 (2022)
The application of granulated copper slag (GCS) to partially replace cement is limited due to its low pozzolanic activity. In this paper, reconstituted granulated copper slag (RGCS) was obtained by adding alumina oxide (Al2O3) to liquid copper slag.
Externí odkaz:
https://doaj.org/article/7236828b2ff8489bb172cac504066a6a
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
Focusing on the tailings containing high sodium silicate (water glass), this study conducted laboratory experiments and semi-industrial tests of flocculation and sedimentation for rapid tailings dewatering. Various reagent combinations, lime and anio
Externí odkaz:
https://doaj.org/article/e1ba7fb5548441d9bb8fc1fd8a401f84
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
The cemented paste backfill (CPB) technology has been successfully used for the recycling of mine tailings all around the world. However, its application in coal mines is limited due to the lack of mine tailings that can work as aggregates. In this w
Externí odkaz:
https://doaj.org/article/c6dc173deaf74615a00d5e4e48d93986
Publikováno v:
Advances in Materials Science and Engineering, Vol 2019 (2019)
The environmental pollution caused by the discharge of phosphogypsum (PG) and phosphorous slag (PS) is a common issue for all countries. In order to fully utilize hemihydrate PG (HPG) and PS and treat goafs in mines, the HPG and PS were used as cemen
Externí odkaz:
https://doaj.org/article/dd0f4939eb884b66bcb61c3a42a4eb89
Publikováno v:
PLoS ONE, Vol 13, Iss 9, p e0204230 (2018)
Unclassified tailings are the main backfilling aggregates in mines and their settling is the first step in the utilization of tailings; thus, it is very important to determine their settling behavior. The aim of this study was to understand the flocc
Externí odkaz:
https://doaj.org/article/0bacc5c34b3e43618b44138e5d15b61d
Publikováno v:
PLoS ONE, Vol 12, Iss 6, p e0179872 (2017)
To study the possibility of utilizing mixed construction waste and ultrafine tailings (CW&UT) as a backfilling aggregate that can be placed underground in a mine, physicochemical evaluation, proportioning strength tests, and pumpability experiments w
Externí odkaz:
https://doaj.org/article/aed396b952f5487db6e735702e6e6a84