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- The main components of CPB are dewatered mine tailings (70–85% solids by weight), hydraulic binders (3–7% by dry paste weight) and mixing water (fresh or processed) (Fall et al., 2009).Author: Chongchong Qi, Andy FouriePublish Year: 2019
www.sciencedirect.com/science/article/pii/S0892687519304364 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 components of CPB are dewatered mine tailings (70–85% solids by weight), hydraulic binders (3–7% by …
- Author: Chongchong Qi, Andy Fourie
- Publish Year: 2019
Test results show that the behaviour of 1-D consolidation under time-dependent loading is greatly affected by the amount of binder used within CPB. Cc varies from 0.06 to 0.54 while Cr is …
Development of Cemented Paste Backfill with Superfine Tailings ...
Feb 27, 2023 · Cemented paste backfill technology can fill underground mining areas and prevent surface subsidence, greatly improving the safety of mining operations and the recovery of …
- DOI: 10.3390/ma16051951
- Published: 2023/03
- Publication: Materials (Basel). 2023 Mar; 16(5): 1951.
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 …
Spatial evolution characteristics of the mechanical properties of ...
Apr 5, 2024 · Therefore, in this paper, the uniaxial compressive strength (UCS) and elastic modulus of CPB with gangue as the aggregate and HWM as the binder (GHW-CPB) were …
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 …
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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 …
Mechanical Characteristics and Stress Evolution of …
Jan 6, 2022 · Generally, the cemented paste backfill (CPB) is an engineered mixture of tailings, water, and hydraulic binders (2–9% by weight). It contains typically between 65 and 85% solids (Ercikdi et al., 2014; Cao et al., 2021).
Development of Cemented Paste Backfill with …
Feb 27, 2023 · Cemented paste backfill technology can fill underground mining areas and prevent surface subsidence, greatly improving the safety of mining operations and the recovery of minerals [
Flow Characteristics of Cemented Paste Backfill
Jan 17, 2018 · Cemented paste backfill (CPB) is primarily used for backfilling underground voids at George Fisher Mine (Mount Isa, Australia). The objective of this paper is to summarise the …
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 …
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 …
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 …
Yield Characteristics of Cemented Paste Backfill - MDPI
Oct 12, 2022 · Cemented paste backfill (CPB) plays an increasingly important role in the mining industry due to its operational and environmental benefits. CPB is placed in 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 …
Abstract:This work is a systematic study of the strength and ultrasonic properties of cemented paste backfill incorporating a foaming agent, known as foam-cemented paste backfill (FCPB).
Flow characteristics of cemented paste backfill
Cemented paste backfill (CPB) is primarily used for backfilling underground voids at George Fisher Mine (Mount Isa, Australia). The objective of this paper is to summarise the …
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. …
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 …
Strength prediction and application of cemented paste backfill …
Feb 5, 2022 · Cemented paste backfill (CPB) is wildly used in mines production practices around the world. The strength of CPB is the core of research which is affected by factors such as …
Delithiated beta spodumene as a sustainable binder in cemented …
Abstract: A crucial component of cemented paste backfill (CPB) is the binder, which provides cohesion and strength to the backfill material. The choice of binder significantly influences the …
Acoustic emission response precursor characterization of …
Acoustic emission (AE) is defined as high-frequency elastic waves emitted from defects such as small cracks within a material when stressed, typically in the laboratory [9].Material damage is …
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