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Study of the spatial strength distribution patterns and …
Jan 2, 2025 · In this study, the spatial distribution of the mechanical strength of ultra-fine tailings cemented paste backfill (UCPB) in underground stopes was examined, and the micro …
Current practice for backfilling tall stopes (e.g., long hole or Alimak) with cemented paste backfill (CPB) involves an initial plug pour to protect the barricade, followed by a main pour for the …
Jan 10, 2013 · Recognition of the fact that any backfill has the potential to generate contaminant plumes in the long term, and potentially influence ground and/or surface water appears to …
- Studies of copilotcopilotcemented paste backfill characteristics
Cemented paste backfill for mineral tailings management: Review …
Dec 1, 2019 · This paper presents a comprehensive review about the design process for backfill distribution systems, explains failures related to pipeline distribution (hammering, bursts and …
- Author: Chongchong Qi, Andy Fourie
- Publish Year: 2019
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 …
- Author: A. Ghirian, M. Fall
- Publish Year: 2017
Synthesis and characterization of cemented paste backfill: Reuse …
Jan 10, 2023 · In this study, the composite of SR slurry and CS slurry as an activator, the composite of GGBS and FA as the binder, and iron tailings as aggregate are used to prepare …
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Due to its rapid rate of delivery and placement (as compared to other forms of backfill such as hydraulic fill and rock fill) and the fact that mill tailings are recycled as backfill, cemented paste …
While mining is essential for resource extraction, it generates substantial surface waste and underground voids. Cemented paste backfill (CPB) tech-nology involves back lling surface …
Enhancing performance and structural integrity of cemented paste ...
Jul 1, 2024 · The adhesion between straw fiber and mortar matrix constitutes a pivotal factor in improving the integration of backfill, whereas steel slag contributes to improving the …
Design and Characterization of Underground Paste …
Mar 4, 2017 · Among the other types of mine backfill (i.e., rock fill, hydraulic, or slurry fill), cemented paste backfill (CPB) is extensively used in many underground mines worldwide, reducing volumes of surface-disposed mine …
Strength prediction and application of cemented paste …
Feb 5, 2022 · Cemented paste backfill (CPB) is an important technology in filling mining methods which uses tailings, waste rock or river sand as aggregate and mixed it with binder to make a filling slurry and then filled it into the mined-out …
Processing will include grinding of the kimberlite ore and a gravity separation circuit on this ore which will result in processed kimberlite waste including a coarse fraction and a finer fraction …
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 …
Experimental Investigation on Mechanical Properties of …
Jan 15, 2019 · The AE characteristics and stress-strain behaviors of CPB were discussed. The results show that the specific Talbot index reflected the optimal strength and deformation …
Mechanical and Microstructural Behavior of Cemented Paste …
Jan 26, 2025 · Cemented paste backfill (CPB) has emerged as a practical and effective solution for mitigating these issues by utilizing mine tailings as a filling material. The CPB plays a …
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 …
Materials | Free Full-Text | Development of Cemented Paste …
Feb 27, 2023 · Development of Cemented Paste Backfill with Superfine Tailings: Fluidity, Mechanical Properties, and Microstructure Characteristics. Materials , 16 (5), 1951. …
Comprehensive Benefit Evaluation of Cemented Paste Backfill in …
Mar 11, 2021 · Cemented paste backfill (CPB) was first used at the Bad Grund Mine in Germany in the 1970s. CPB mixed the mine tailings (70–85 wt%) with hydraulic binders (3–7 wt%) and …
Consistency and Rheological Properties of Cemented Paste
Cemented paste backfill (CPB) is another method of tailings management that can reduce the volume of tailings stored at the surface by up to 50% [6]. CPB is prepared from filtered tailings, …
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 …
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