Development of a novel eco-efficient LC2 conceptual
This study presents an eco-efficient cement-limestone- calcined clay tailings ultra-high performance concrete (LC 2 UHPC). On the basis of the D-optimal mixture design method, the LC 2 UHPC recipes and fresh behaviors are firstly proposed and optimized. Then, the macro and micro characteristics of produced LC 2 UHPC are evaluated. The obtained experimental …
اقرأ أكثر
Effects of clay type and component fineness on the hydration and
Limestone calcined clay cement (LC3) is emerging as an alternative to Portland cement, offering economic advantages, reduced CO2 emissions, and mechanical properties on par with Portland cement. Central to the effective utilization of LC3 is understanding how the fineness of its components affects its performance. The current study investigates limestone …
اقرأ أكثر
Sustainability enhancement of calcined clay and limestone …
Limestone calcined clay cement (LC3) is a new composite cement consisting of limestone, calcined clay, and cement [8]. LC3 uses limestone and calcined clay as supplementary cementitious materials, which significantly improves economic efficiency while reducing the cement clinker factor [9]. Moreover, its use can reduce CO 2 (greenhouse gas ...
اقرأ أكثر
Lime vs. Limestone Rock: Types and Uses of Each
However, one use is more common than all of these: crushing. Most limestone rock is crushed into aggregate. Almost every construction project requires some type of …
اقرأ أكثر
Optimizing the utilization of bauxite tailings in low-carbon cement
The disposal of bauxite tailings (BT) remains a significant challenge for the global aluminum industry. However, its application in Limestone Calcined Clay Cement (LC 3) systems shows immense potential.Despite this, the optimal calcination temperature for BT and its effects on LC 3 performance have yet to be clearly defined. To address this gap, the study employs …
اقرأ أكثر
Tailings Treatment and Reclamation
Where tailings contain fine particles or clay, lime products can be used to improve dewatering and recoverable process water. This treatment can also result in improved handling, material strength and a stackable tailings product that can …
اقرأ أكثر
Using limestone calcined clay cement and recycled fine …
A comprehensive investigation concerning the mechanical properties and microstructural characteristics of ultra-high-performance concrete (UHPC) using different dosages of limestone calcined clay cement (LC 3) and recycled fine aggregate (RFA) was conducted.Results demonstrated that the compressive strength using 15% LC 3 and 30% RFA …
اقرأ أكثر
Feasibility of iron-rich ore tailing as supplementary cementitious
These tailings are still one of the main waste streams in the world [1]. The improper disposal of these residues constitutes a major environmental liability, establishing more and more the concern of the mineral sector of having a correct destination. ... (PCE)-based superplasticizer on various characteristics of limestone calcined clay cement ...
اقرأ أكثر
Limestone Calcined Clay Cement: The Experience in India This …
Limestone Calcined Clay Cement (LC 3) has been developed on a fast-track for induction in the Indian cement industry for the last four years.This paper presents the key challenges and opportunities, as identified by the Indian team, towards the induction of LC 3 as a mainstream cement. As the development of the cement continues, the challenges towards its …
اقرأ أكثر
11 Uses of Mine Waste Rock and Tailings
Here we introduce some uses of mine waste rock and tailings. 1. Aggregate of sand and gravel is the largest, indispensable, and irreplaceable basic material used in the construction of infrastructure projects such as …
اقرأ أكثر
Calcined Clay as Supplementary Cementitious Material
Clay minerals, that are the subject of this review, belong to two main groups, which are often referred to in the literature as 1:1 and 2:1 minerals. ... Nguyen Q.D., Castel A. Chloride Diffusion Resistance of Limestone Calcined Clay Cement (LC3) Concrete; Proceedings of the SynerCrete'18: Interdisciplinary Approaches for Cement-based ...
اقرأ أكثر
12 uses of mine waste rock and tailings
In addition, non calcined gypsum tailings are used as raw materials. After grinding, they are mixed with a certain proportion of ground slag and fly ash. Under the action of composite activator, they can be used to produce Gypsum Tailings bricks, hollow blocks and other new wall materials.
اقرأ أكثر
Impact of Limestone–Metakaolin Ratio on the Performance and …
This finding was corroborated with the thermodynamic modeling that the highest hydrates volume was achieved at the optimal limestone–MK ratio of 1:4. An overdosage of limestone reduces its reaction degree, reflecting the fact that excessive limestone content …
اقرأ أكثر
Investigation of using limestone calcined clay cement (LC3) in
Limestone calcined clay cement (LC3) is a new type of low-carbon cement that can reduce energy consumption and carbon dioxide emissions while meeting the performance requirements of ordinary cement. In this study, polypropylene (PP) fibers were mixed into limestone calcined clay cement-based materials to make new low-carbon ECCs.
اقرأ أكثر
12 uses of mine waste rock and tailings
Today, Fodamon engineer will share 13 uses of mine waste rock and tailings. (1) Sand aggregate. Gravel aggregate is the largest, indispensable and irreplaceable basic material for the construction of infrastructure projects such as buildings, …
اقرأ أكثر
Chemical composition of the mine tailings [17].
It is shown that physical and chemical characteristics of tailings are comparable to crusher sand used in engineering construction and therefore, tailings can be used to partially replace sand in ...
اقرأ أكثر
LIME CALCINED CLAY CEMENT (LC3): A Review
LC3 is a type of cement by mixing of limestone, calcined clay and gypsum, a few literatures were available on LC3. ... 15% limestone and 4% gypsum. All major raw materials were procured from the ...
اقرأ أكثر
Impact of calcium carbonate whisker on chloride migration in
This study investigates the chloride resistance of cement incorporating aluminate phases from calcined kaolin tailings (CKT) and the carbonate phase from limestone/calcium carbonate whiskers (LS/CW). The rapid chloride migration test is employed to analyze the impact of CKT and its combination with CW on chloride movement.
اقرأ أكثر
Harnessing iron tailings as supplementary cementitious materials …
The increasing demand for sustainable construction materials has led to the exploration of iron tailings (ITs) as supplementary cementitious materials (SCMs) in Limestone Calcined Clay Cement (LC 3).This study investigates the effects of varying ITs content in LC 3 on compressive strength, microstructure, and environmental impact. Replacing 28 % of LC 3 with …
اقرأ أكثر
(PDF) Innovative Calcined Clay Limestone Cements
All of these are standard equipment found commonly in the market. A coupled addition of calcined clay and limestone is used to substitute part of the clinker in a blended cement. We call such materials LC3 – limestone calcined clay cements. In the designation LC3–X, X refers to the clinker content of the blend in percent.
اقرأ أكثر
Potential applications of mine waste rock and tailings
The limestone powder produced in the processing of sand and gravel mines can be further ground and processed to effectively reduce the cost of the desulfurization process in power plants, providing a good market for …
اقرأ أكثر
Recent Progress in Limestone-Calcined Clay Cement (LC3): A …
Replacing half of the clinker by a blend of limestone powder and low-grade calcined clay (in 1:2 weight ratios) has been recently proposed to produce a new version of economical and green cement ...
اقرأ أكثر
Optimizing the utilization of bauxite tailings in low-carbon cement
DOI: 10.1016/j.conbuildmat.2025.139943 Corpus ID: 275553444; Optimizing the utilization of bauxite tailings in low-carbon cement @article{Li2025OptimizingTU, title={Optimizing the utilization of bauxite tailings in low-carbon cement}, author={Zhijun Li and Xiaowei Gu and Bohan Yang and Zhihang Hu and Moncef L. Nehdi and Lei Zhang}, journal={Construction and …
اقرأ أكثر
Use of iron ore tailings as partial replacement for cement on
The increasing demand for sustainable construction materials has led to the exploration of iron tailings (ITs) as supplementary cementitious materials (SCMs) in Limestone Calcined Clay Cement (LC 3). This study investigates the effects of varying ITs content in LC 3 on compressive strength, microstructure, and environmental impact.
اقرأ أكثر
Development of a novel eco-efficient LC2 conceptual
However, this negative impact on sustainability can also be counteracted through a greater use of UHPC in conjunction with limestone powder and calcined clays in concrete construction practice ...
اقرأ أكثر
On the use of limestone calcined clay cement (LC3) in high …
For the LC 3 blends, the analyzed calcined clay was produced by Liapor & Co.KG., Hallerndorf, Germany; the limestone used was Saxodol® 90 LE from SH-Minerals , Heidenheim an der Brenz, Germany; while the used gypsum was MODULAN Elektrikergips 107 from Meffert AG Farbwerke, Bad Kreuznach, Germany. Note that the calcined clay was made ...
اقرأ أكثر
Development of a novel eco-efficient LC
The appearance of the calcined clay tailings and limestone powder are shown in Fig. 1. The X-Ray diffraction (XRD) analysis result of CCT is shown in Fig. 2. As Fig. 2 shows, the main phases of the calcined clay tailings are quartz, muscovite and illite. The main components are high temperature resistant quartz and muscovite, without kaolinite ...
اقرأ أكثر
High-efficiency utilization of limestone tailings: Used as …
The flexural and compressive strengths of limestone tailings grouting materials were 2.97 MPa and 4.38 MPa at 28 d when the cement-sand ratio was 1:7. At this time, the …
اقرأ أكثر
Harnessing iron tailings as supplementary cementitious materials …
Semantic Scholar extracted view of "Harnessing iron tailings as supplementary cementitious materials in Limestone Calcined Clay Cement (LC3): An innovative approach towards sustainable construction" by Baifa Zhang et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 224,254,368 papers from all ...
اقرأ أكثر
13 Applications of Tailings and Waste Rocks | Fote Machinery
Today, Fote Heavy Machinery will share with you the 13 applications and usages of waste rocks and tailings. 1. Sand and gravel aggregate. Sand aggregate is one of the …
اقرأ أكثر