Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Haiyong CHENG"'
Autor:
Zemin LIU, Haiyong CHENG, Mingfa MAO, Zaili LI, Shunchuan WU, Guanzhao JIANG, Wei SUN, Weihua LIU
Publikováno v:
工程科学学报, Vol 46, Iss 8, Pp 1337-1348 (2024)
The rheological properties of paste are the foundation of the paste-filling process in metal mines, and paste yield stress is an important evaluation index for paste-filling technology. The change in ratio and concentration has a significant impact o
Externí odkaz:
https://doaj.org/article/36cf3298563641e09d881a3033eba2d3
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 8, Pp 3149-3164 (2024)
To understand the strengths of rocks under complex stress states, a generalized nonlinear three-dimensional (3D) Hoek‒Brown failure (NGHB) criterion was proposed in this study. This criterion shares the same parameters with the generalized HB (GHB)
Externí odkaz:
https://doaj.org/article/7421a8af574a472eaf06e66cbe90e108
Publikováno v:
工程科学学报, Vol 46, Iss 1, Pp 11-22 (2024)
The development of green resources and deep mining face several challenges, including prominent safety hazards associated with deep mining and severe environmental pollution in mining areas. Paste-filling technology, designed to eliminate tailing pon
Externí odkaz:
https://doaj.org/article/a2894e4c3ba246a9b7285163462cccd1
Publikováno v:
Case Studies in Construction Materials, Vol 16, Iss , Pp e01140- (2022)
The Cemented Paste Backfill (CPB) yield stress is a key rheological parameter for paste filling technology, which has significant practical value for pipeline optimization and equipment selection of pipeline conveying systems. However, the slurry yie
Externí odkaz:
https://doaj.org/article/9ef2f4e6a61648b4bd3811b091e39014
Publikováno v:
Metals, Vol 11, Iss 12, p 1906 (2021)
Cemented paste backfill is critical for the development of green mines, the safe exploitation of mineral resources deep underground, and the efficient disposal of solid wastes produced by mining. In this paper, the mechanism underpinning how the pump
Externí odkaz:
https://doaj.org/article/9b78a526b0e648e39491a4cf1a082e77
Publikováno v:
Advances in Materials Science and Engineering, Vol 2020 (2020)
Cemented paste backfill (CPB) can effectively eliminate the risk of dam break in goaf and tailings pond which used tailings waste. Deep cone thickener (DCT) is an efficient machine for the system of paste preparation, and the concentration of slurry
Externí odkaz:
https://doaj.org/article/701227648dea44d5ac8dd611509b91ee
Publikováno v:
Advances in Materials Science and Engineering, Vol 2019 (2019)
Paste backfilling is an important support for the development of green mines and deep mining. It can effectively reduce a series of risks of underground goaf and surface tailings ponds. Reasonable strength of backfill is an effective guarantee for co
Externí odkaz:
https://doaj.org/article/6dc49c8eafeb43b98bc66952011981a1
Autor:
Yaxi Shen, Shunchuan Wu, Haiyong Cheng, Huajin Zhang, Jiaxin Wang, Zhiquan Yang, Huaming An, Xiong Song
Publikováno v:
Bulletin of Engineering Geology and the Environment. 82
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43fc387635c9925429f21a6f1c5ce694
https://doi.org/10.1007/s10064-023-03091-w
https://doi.org/10.1007/s10064-023-03091-w
Publikováno v:
Minerals; Volume 12; Issue 12; Pages: 1540
To eliminate the massive accumulation of tailings and promote the recycling of mine solid waste to develop green mining, a two-layered cemented paste backfill (CPB) with layering angles of 5°, 10°, 15°, 20° and 25° and complete CPB were prepared
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1bb747d072fe7279d0fdf101d53c83d9
Autor:
Xiaojie Geng, Shunchuan Wu, Yanjie Zhang, Junlong Sun, Haiyong Cheng, Zhongxin Zhang, Shijiang Pu
Tunnel squeezing is a large deformation problem closely related to creep and severely affects tunnel construction safety and efficiency. In this paper, the extreme gradient boosting (XGBoost) model is optimized using a combination of the Bayesian opt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::818d54d6e891673f8d6a1fb43e328c19
https://doi.org/10.21203/rs.3.rs-1982130/v1
https://doi.org/10.21203/rs.3.rs-1982130/v1
