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The role of bentonite in concrete

Developing a sustainable concrete incorporating bentonite …

The presented study investigates the role of bentonite clay (BC) and its synergistic effect with silica fume (SF) as partial replacement of cement on strength, durability, and microstructure of ...

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(PDF) Influence of Bentonite in Strength and Durability of …

Concrete plays the key role and a large quantum of concrete is being utilized in every construction practices. Natural river sand is one of the key ingredients of concrete, is becoming expensive due to excessive cost of transportation from sources. ... Before introducing bentonite into the concrete suitable percentage of quarry dust replacement ...

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Impact Resistance of Styrene-Butadiene Rubber (SBR) Latex …

Improvements in tensile strength and impact resistance of concrete are among the most researched issues in the construction industry. The present study aims to improve the properties of concrete against impact loadings. ... Latex-Modified Fiber-Reinforced Concrete: The Role of Aggregate Size Materials (Basel). 2022 Feb …

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Role of Bentonite in Improving the Efficiency of …

Role of Bentonite in Improving the Efficiency of Cement Grouting in Coarse Sand T. G. Santhoshkumar 1, B. M. Abraham 2, A. Sridharan 3, and B. T. Jose 4 1 Principal, JBCMET, JB Campus, Kochi ...

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Assessment of early-age autogenous shrinkage strains in concrete …

the role of bentonite clay in creating an internal water reservoir. ... The performance of bentonite modified concrete (Bentocrete) was assessed in the present study. Bentocrete exhibited better ...

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Determining the extent of bentonite alteration at the bentonite…

A small-scale experimental setup was established to simulate the concrete-bentonite-site water interaction system from a potential nuclear waste repository in China. Three types of mortars were prepared to correspond to the concrete at different degradation states. ... SEM study of the early stages of Fe-bentonite corrosion—The …

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Role of Bentonite in Improving the Efficiency of Cement …

Bentonite can be considered as a cheap and effective admixture for cement grouts with regard to stability. This paper presents the results of experimental studies conducted in...

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The role of smectite composition on the hyperalkaline alteration …

The hyperalkaline pore waters emanating from concrete will react with the bentonite barrier transforming its initial properties ( and Berger, 1998, ... Although the present results do not focus to resolve what the role of the accessory mineral in the alteration of bentonite and formation of secondary minerals is, the initial composition of ...

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Influence of Bentonite on Mechanical and Durability …

Keywords: geopolymer concrete, bentonite, recycled aggregates, GRAC, GNAC, mechanical properties, durability, rheological properties. 1. Introduction. ... Air content is a property of fresh concrete that can play an important role in increasing or decreasing the concrete strength. The presence of air content in the concrete also …

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Response of compacted bentonite to hyperalkalinity …

concrete were stated to play a signicant role. e deposition and degradation of clay minerals were also observed on the concrete bentonite interface. e reaction transport from the bentonite to the ...

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STUDY OF BENTONITE USAGE IN ENVIRONMENTALLY FRIENDLY CONCRETE

Lower strengths were observed in Indian calcium bentonite concrete mixes, at the ages 3days, 7 days as well as 28 days of curing. ... The Role of Superplasticizers in The Development of ...

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Bentonite Clays from Southeastern Spain as Sustainable …

The role of bentonites in the process of refining and the catalytic cracking of petroleum is well known [12,13,14]. However, one of the most widespread uses is in the drilling of wells during prospecting and the exploration of metallic, non-metallic and gas–petroleum deposits; In these operations, bentonites play a very important role in the ...

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Bentonite For Drilling Wells

The Role of Bentonite in Preventing Wellbore Instability. Wellbore instability is a significant issue encountered during drilling operations. It can lead to various operational complications such as stuck pipe, sidetracking, or even well abandonment. Bentonite, due to its unique properties, plays a pivotal role in preventing wellbore …

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Formation of C-A-S-H phases from the interaction between concrete …

Formation of C-A-S-H phases from the interaction between concrete or cement and bentonite - Volume 51 Issue 2. 22 August 2024: Due to technical disruption, we are experiencing some delays to publication. We are working to restore services and apologise for the inconvenience. ... (2006) The role of Al in C-S-H: NMR, XRD, and …

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Utilization of Bentonite in Concrete: A Review

This experimental study focuses on the effects of durability of concrete using fly ash and bentonite as partial replacement of ordinary …

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Bentonite Slurry Preparation And Recycling

Bentonite is a very fine-grained clayey material having a high percentage of montmorillonite material. Bentonite slurry is used for soil stabilisation. ... After flushing the borehole bottom and before pouring concrete into the pile bore, if the side soils of the borehole collapse, again loose muck will be deposited at the pile bottom, which ...

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The Role of Chemical Admixtures in the Formulation of …

The main technologies will be described and their role in the formulation of modern advanced concrete will be highlighted. Finally, an outlook on potential developments in the future (e.g. improved curing agents, admixtures which enhance the ductility of concrete) will be provided.

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Bentonite | Properties, Formation, Uses » Geology Science

Bentonite in environmental and geological studies. Bentonite has many applications in environmental and geological studies due to its unique properties, including its high cation exchange capacity, high water absorption capacity, and ability to swell and form gels when hydrated.

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Effect of Bentonite Blend on the Compressive Strength of Various

The bentonite used was a sodium type, manufactured by Changsha May Shine Chemical Co., Ltd [Province: Hunan, China] but purchased from Lagos. Water. Water plays a major role in concrete mixing in that it starts the reaction between the ordinary Portland cement, rice husk ash and the aggregates. It also helps in the hydration of the …

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Effects of different supplementary cementitious materials on …

Also mixing bentonite in concrete, improve concrete bleeding and cohesiveness of concrete in low-intensity level . Table 3. Effect of bentonite on some of the mechanical properties and durability recorded by different researchers. ... However using of OPC may lack all those important roles of SCMs, ...

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An experimental study investigating the effects of bentonite …

The powder metallurgy (P/M) components have been extensively used in industrial applications and P/M components properties has been influenced by alloying elements and porosity.

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An experimental study investigating the effects of bentonite …

The increased porosity of concrete with the use of bentonite mineral makes the heat transfer difficult. •. The thermal conductivity value of the samples with 5% BC is …

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Response of compacted bentonite to hyperalkalinity and thermal …

Thermal history on the samples. The effect of cement water (CW) on swell pressure of all thermal history induced bentonite specimens (B 1 and B 2), compacted at various densities (1.5 Mg/m 3, 1.75 ...

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The alkaline reaction of FEBEX bentonite: a contribution …

Keywords: bentonite, concrete, reactivity, waste disposal. Resumen ... atures will play a significant role in the system (due to radioactive decay), and can modify the rates of reaction

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Uses of Bentonite in Construction – …

Bentonite is valued in foundry sand binding, drilling mud, iron ore pelletisation and as a waterproofing and sealing agent in civil …

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Effect of Bentonite Support Fluid on Pile Capacity

For finding the interface frictional resistance, several laboratory tests like model pile tested in a triaxial cell, direct shear tests (concrete on sand or sand on concrete), model pile in centrifuge, etc., can be adopted [8, 9].But direct shear and simple shear tests are more practical than large-scale tests and considered optimal for detailed …

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Micro- and nano- bentonite to improve the strength of …

soil improvement: Bani Baker et al. 7, uLi 8, Cheng et al. 9 and Taha and Taha 10 developed the role of nano-bentonite ... It is used as an adjuvant in the manufacture of concrete, as a

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Effects of bentonite on pore structure and permeability of cement

1. Introduction. In porous materials, water is not only considered to cause various forms of physical degradation processes but also acts as a carrier for aggressive agent migration, which can cause chemical degradation processes and is the main intermediary for the formation and destruction of many natural materials [1].As well …

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Utilization of Bentonite in Concrete: A Review

Durability displays crucial role in when concrete is . exposed to extrem e conditions ... Lower strengths were observed in Indian calcium bentonite concrete mixes, at the ages 3days, 7 days as ...

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The role of bentonite in two-component grout: A …

DOI: 10.1016/j.tust.2023.105412 Corpus ID: 264068758; The role of bentonite in two-component grout: A comparative study @article{Todaro2023TheRO, title={The role of bentonite in two-component grout: A comparative study}, author={Carmine Todaro and Davide Zanti and Andrea Carigi and Daniele Peila}, journal={Tunnelling and …

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