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- Cemented paste backfill technology plays a pivotal role in promoting green mining within the metal industry. The technology allows safely backfilling of surface tailings into underground mining airspaces, effectively addressing the challenges associated with tailings storage and underground goaves.
www.sciencedirect.com/science/article/pii/S2950555024000132 Key theory and technology of cemented paste backfill for green …
Mar 1, 2024 · In this paper, we introduce the paste rheology theory system, which forms the theoretical backbone of cemented paste backfill. We delve into key technologies such as paste …
See results only from sciencedirect.comCemented paste backfill for …
The emergence of the cemented paste backfill (CPB) technology has the …
Properties and application o…
Backfilling is considered worldwide as an effective treatment method for coal …
Study of hydrophobic cemen…
Rainfall and groundwater are the key issues for the Sulphur-Rich Cemented Paste …
Cost optimization of cement…
A primary challenge in the mining industry is how to extract mineral and metal …
Cemented paste backfill for mineral tailings management: Review …
Dec 1, 2019 · The emergence of the cemented paste backfill (CPB) technology has the potential to substantially alter and enhance the role of tailings in the mining industry. The main …
- Author: Chongchong Qi, Andy Fourie
- Publish Year: 2019
Evolution of strain field and crack prediction in …
4 days ago · Yilmaz, E. et al. Curing time effect on consolidation behaviour of cemented paste backfill containing different cement types and contents. Constr. Build. Mater. 75, 99–111 (2015).
Understanding the Triaxial Behavior of Cemented Tailings Backfill ...
Mar 17, 2025 · Abstract Fiber-reinforced cemented paste backfill (FRB), a composite material incorporating fibers and cement into mine tailings, is extensively utilized in mine backfilling to …
The Optimization of Mix Proportions for Cement Paste …
Mar 30, 2019 · Additionally, the optimal mix proportion for cement paste backfill was obtained with 76.75% mass concentration, 3.35 tailing/rock ratio, 0.1 …
- Author: Chaoqun Dai, Chaoqun Dai, Aixiang Wu, Aixiang Wu, Yan Qi, Yan Qi, Zhiqiang Chen, Zhiqiang Chen
- Estimated Reading Time: 10 mins
- Publish Year: 2019
- bing.com › videosWatch full video
Investigating the basic properties of basalt fiber reinforced …
Mar 24, 2025 · In this study, a sustainable additive, basalt fiber (BF), was added to cemented paste backfill (CPB) samples at two BF lengths (12 and 18 mm) and three BF dosages (0.50, …
Design and Characterization of Underground Paste …
Mar 4, 2017 · This chapter deals an overview of underground paste backfilling, including paste ingredients, backfill plant operations, mixture preparation, backfill reticulation system, paste placement and curing conditions, barricade …
A New Yield Surface for Cemented Paste Backfill …
Dec 24, 2024 · Cemented paste backfill (CPB) is a cemented void filling method gaining popularity over traditional hydraulic or rockfill methods. As mining depth increases, CPB-filled stopes are subjected to higher confining pressures.
Properties of Cemented Paste Backfill | SpringerLink
Mar 4, 2017 · Knowledge on the properties of cemented paste backfill (CPB) material is essential for the design of cost-effective, safe and durable cemented backfill structures. The primary …
Cemented paste backfill for mineral tailings management: Review …
Dec 1, 2019 · The emergence of the cemented paste backfill (CPB) technology has the potential to substantially alter and enhance the role of tailings in the mining industry. The main …
Paste Backfill Fundamentals - 911Metallurgist
May 10, 2018 · Paste backfill is prepared by dewatering flotation tailings from a lead-zinc concentrator. The tailings are partially classified with a hydrocyclone to increase thickening and filtration rates. After thickening to 65% solids, a …
Paste Backfill - Concrete Equipment Applications - Maxon …
Maxon Maxcretes and Agimaxs are used extensively for accepting tailing slurry, mixing or blending with cement or flyash to create a paste or slurry, and continuously feeding to placing …
Cemented Paste Backfill (CPB) Material Properties for Undercut …
Feb 22, 2022 · Optimizing mining methods and stope sequences can result in a decision to mine underneath previously placed backfill, as shown in Figure 1. One of the design questions to …
Study of hydrophobic cemented paste backfill (H-CPB) to prevent ...
Nov 30, 2024 · Rainfall and groundwater are the key issues for the Sulphur-Rich Cemented Paste Backfill. In the long term, sulphate causes strength and Acid Mine Drainage problems in CPB. …
Mechanical Characterization of Cemented Paste Backfill - MDPI
Dec 25, 2022 · Mechanical characterization is important to the design and analysis of cemented paste backfill (CPB) structures. Unconfined compressive strength (UCS) tests have been …
Paste Backfill Plant | CMQ Engineering USA
A custom designed and manufactured backfill paste plant from CMQ Engineering can help in maintaining the stability of the mine, improving ore recovery, reducing environmental impact, …
Engineering Properties of Cemented Paste Backfill with Full
Jun 20, 2023 · Paste filling, which is a more recent technology, is the most popular means worldwide to dispose or manage tailings. In underground mining, paste backfilling is carried …
Investigating the basic properties of basalt fiber reinforced …
Mar 24, 2025 · In this study, a sustainable additive, basalt fiber (BF), was added to cemented paste backfill (CPB) samples at two BF lengths (12 and 18 mm) and three BF dosages (0.50, …
Comprehensive Benefit Evaluation of Cemented Paste Backfill in …
Mar 11, 2021 · With the increasing scrutiny on tailings management and requirements of the ground subsidence control, both the academia and industry are highly advocating the …
Properties and application of thixotropic cement paste backfill with ...
Mar 10, 2023 · Backfilling is considered worldwide as an effective treatment method for coal mining subsidence and mineral tailing disposal. A green thixotropic cement paste backfill with …
Shear Properties of Cemented Paste Backfill under Low …
Oct 14, 2021 · Studies on CPB have improved the design and application of paste backfill in underground mines. Direct shear is one of the most fundamental parameters for assessing …
Behavior of Cemented Paste Backfill in Two Mine Stopes: …
Jul 22, 2010 · Paste backfill is generated from full stream tailings and is almost always placed underground with cement. This paper presents field measurements and back analysis of two …
Cost optimization of cemented paste backfill: State-of-the-art …
Dec 1, 2023 · A primary challenge in the mining industry is how to extract mineral and metal resources in a cost-effective and environmentally-friendly way. To help mitigate the …
Evaluating Cemented Paste Backfill’s Strength Development at …
Sep 1, 2023 · However, testing errors are common for weak materials (UCS less than 100 kPa, i.e., cemented paste backfill at early curing stage), and reliable test methods must be …
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