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Journal articles on the topic 'Clay-Based mixtures'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Lu, Zhen, Aimin Sha, and Wentong Wang. "Permeability Evaluation of Clay-quartz Mixtures Based on Low-Field NMR and Fractal Analysis." Applied Sciences 10, no. 5 (2020): 1585. http://dx.doi.org/10.3390/app10051585.

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Nuclear magnetic resonance (NMR) technology has been widely used for predicting permeability coefficients of porous medium, such as shales, sandstones, and coals. However, there have been limited studies on the prediction model of clay-quartz mixtures based on NMR technology. In this study, evaporation tests at 40 °C and NMR tests were simultaneously performed on eight clay-quartz mixtures with different mineral compositions. The results show that during the evaporation process, the decay rate of T2 total signal amplitudes was constant at first, and then decreased to 0 after a period of time.

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2

Gao, Xiaojing, Qiusheng Wang, and Guowei Ma. "Experimental Investigation on the Erosion Threshold and Rate of Gravel and Silty Clay Mixtures." Transactions of the ASABE 62, no. 4 (2019): 867–75. http://dx.doi.org/10.13031/trans.13290.

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Abstract. The field of cohesive and noncohesive mixture erosion is not fully understood because of the numerous factors that influence soil erodibility. In this study, erosion experiments were conducted on mixtures of gravel and silty clay in proportions varying from 0% to 100% by weight. The critical shear stress of erosion and the erosion rate were quantified using an erosion function apparatus (EFA). Experimental data revealed that the mixture critical shear stress first decreased and then increased with an increasing cohesive fraction for mixtures with silty clay contents up to 50%. The cr

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3

Dafalla, Muawia. "Predicting Swell in Clay-Sand Mixtures Used in Liners." Applied Sciences 13, no. 20 (2023): 11161. http://dx.doi.org/10.3390/app132011161.

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A method to predict the swellability of clay-sand mixtures is proposed. This model is a modified form of the Studds (1997) prediction model for clay-sand mixtures. The new proposed model uses the laboratory fall cone penetration technique to produce a characterization chart. This chart presents slope levels that can be used to obtain an equation for the final clay void ratio versus the vertical effective stress for clays. The porosity of the clay-sand mixtures was worked out based on a correction factor obtained from compression and porosity measurements in the laboratory. The porosity of the

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4

Asamatdinov, Marat, Alexey Zhukov, Andrey Ushakov, and Bahram Tursmuratov. "Eco-friendly construction materials: Lime clay gipsum plaster mixtures." BIO Web of Conferences 145 (2024): 03047. http://dx.doi.org/10.1051/bioconf/202414503047.

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Clay-gypsum raw materials and binders based on them are among the local building materials of the Republic of Karakalpakstan, and their use makes it possible to regulate the import of gypsum binders and its derivatives, thereby optimizing supply chains. Clay gypsum is a natural formation of fine-grained crystalline gypsum, evenly mixed with clay or loam. The amount of gypsum ranges from 5 to 65%. The uniform distribution of clay particles in the gypsum matrix is due to the genesis of this sedimentary rock. Of interest are modifications of clay gypsum, including those using lime to produce lime

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Mendoza-Goden, Daniel, Rocio Rafaela Gallegos-Villela, Pedro Flores-Becerra, Josue Francisco Perez-Sanchez, Edgardo Jonathan Suarez-Dominguez, and Arturo Palacio-Perez. "Evaluation of Expanded Clay and Tuff as Lightweight Agents in Concrete Stabilized with Nopal Mucilage and Aloe Vera." Eng 6, no. 1 (2024): 1. https://doi.org/10.3390/eng6010001.

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Objectives: This study aims to evaluate the potential of lightweight concrete mixtures incorporating sustainable materials, such as nopal mucilage and aloe vera, to enhance thermal and structural performance while promoting eco-friendly construction practices. The objective is to analyze their effects on physical, mechanical, and thermal properties to optimize mixture design. Methods/Analysis: Six lightweight concrete mixtures were prepared using varying dosages of tuff, expanded clay, nopal mucilage, and aloe vera as lightweight and stabilizing agents. To assess their performance, a series of

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Panchenko, Alexander I., Vitaliy N. Solov’ev, Nikita A. Tretyakov, Alexander D. Chernov, and Ilmir R. Shaykhalov. "Evaluation of thixotropy of clay-gypsum based plaster." Stroitel stvo nauka i obrazovanie [Construction Science and Education], no. 4 (December 31, 2019): 6. http://dx.doi.org/10.22227/2305-5502.2019.4.6.

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Introduction. Requirements for mineral based plasters are divided into two groups: technological and performance properties. Plasticity and ease of application are attributed to the technological properties. This determines the requirements for rheological characteristics and, first of all, for the thixotropy of mixtures. The technique is developed and tested on plaster compositions based on clay-gypsum binder which belongs to the category of local binders. Russia has significant reserves of this raw material, but at present it is not used industrially. The main reason is the lack of a scienti

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7

Alqenaee, Amnah Y., Ali M. Memari, and Maryam Hojati. "TRANSITION FROM TRADITIONAL COB CONSTRUCTION TO 3D PRINTING OF CLAY HOMES." Journal of Green Building 16, no. 4 (2021): 3–28. http://dx.doi.org/10.3992/jgb.16.4.3.

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ABSTRACT 3D printing of cementitious material can provide an affordable, sustainable, and optimized approach for the construction of homes, without compromising quality or craftsmanship. While most of the current research and development efforts in this field are focused on cement-based concrete printing, this paper focuses on the current state-of-the-art literature review of designing and developing a sustainable clay-based mixture design that mainly includes clay, sand, straw, lime, and water. The goal of this paper is to bridge the gap between typical traditional earth construction, specifi

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Tahar, Nouioua, Gueddouda Mohamed Kamel, Guoal Idriss, and Ferhat Ahmida. "Thermo-mechanical behavior of compressed earth blocks (CEB) stabilized and reinforced with fibers." South Florida Journal of Development 5, no. 10 (2024): e4500. http://dx.doi.org/10.46932/sfjdv5n10-020.

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This study is part of the development of eco-materials (dune sand, clay soil and natural fibers) for masonry and the rehabilitation of heritage in arid and semi-arid environments which are found in abundance in North Africa. The manufacture of compressed earth bricks stabilized (BTCS) has gained some momentum over the last decade. First, we present the results of characterization tests of sand-clay mixtures based on the compressive strength criterion. Secondly, an optimization of the stabilizer of the sand-clay mixtures using different percentages of lime was carried out. The choice of lime as

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9

Ni, Jing, Gang-Lai Hao, Jia-Qi Chen, Lei Ma, and Xue-Yu Geng. "The Optimisation Analysis of Sand-Clay Mixtures Stabilised with Xanthan Gum Biopolymers." Sustainability 13, no. 7 (2021): 3732. http://dx.doi.org/10.3390/su13073732.

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Sand–clay mixtures can be encountered in both natural soils (e.g., residual soils, clay deposits and clinosols) and artificial fills. The method of utilising biopolymers in ground improvement for sand–clay mixtures has emerged recently. However, a full understanding of the strengthening effect of biopolymer-treated sand–clay mixtures has not yet been achieved due to a limited number of relevant studies. In this study, xanthan gum (XG), as one of the eco-friendly biopolymers, was used to treat reconstituted sand–clay mixtures that had various compositions in related to clay (or sand) content an

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10

Liutyi, R., M. Fyodorov, M. Fesenko, and D. Liuta. "REGULATION OF THE PROPERTIES OF SAND-CLAY MOLDING MIXTURES BY SODIUM PHOSPHATE ADDITIONS." New Materials and Technologies in Metallurgy and Mechanical Engineering, no. 2 (June 20, 2023): 38–45. http://dx.doi.org/10.15588/1607-6885-2023-2-6.

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Purpose. Study of the effect of sodium phosphate additives on the properties of a reversible sand-clay mixture in the green and dry state to improve the quality of castings from iron-carbon and aluminum alloys. Research methods. A reversible molding mixture based on quartz sand and kaolin clay was used. The effect of three additives (sodium tripolyphosphate, sodium hexametaphosphate, sodium pyrophosphate) in amounts from 0.5 to 2.0% was studied. Properties of mixture were determined using standard methods: clay component content, strength, gas permeability, crumbleness, flowability, form

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11

Bensalem, Sara, Mohamed Lyes Kamel KHOUADJIA, Kamel Abdou, Ahmed Abderraouf Belkadi, and Oussama Kessal. "Experimental Evaluation of Workability Compressive Strength and Freeze-Thaw Durability of Concrete Containing Expanded Clay Aggregates." Aceh International Journal of Science and Technology 11, no. 2 (2022): 145–54. http://dx.doi.org/10.13170/aijst.11.2.25028.

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The development of the building materials industry in Algeria and worldwide has opened up new commercial opportunities for waste recovery. Using recycled materials and natural resources such as expanded clay aggregates are increasingly seen as a solution for the future to meet the gap between production, consumption and environmental protection. The present study investigates the effect of expanded clay aggregate (ECA) on a concrete slump, porosity, softening coefficient, compressive strength, and Freeze-thaw durability. Tests were conducted according to Russian National State Standard (GOST)

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12

Asamatdinov, Marat, Ekaterina Shokodko, Andrey Ushakov, Igor Bessonov, Sergey Kozlov, and Artem Zhukov. "Composition and rheological characteristics of plaster mixtures." E3S Web of Conferences 97 (2019): 02006. http://dx.doi.org/10.1051/e3sconf/20199702006.

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The applying of local building materials is an effective contribution to the savings of mineral resources, which are used for the production of basic building materials. Clay and gypsum compositions are the local raw materials in many regions of the country and some neighboring countries. The article discusses the method for determining the clay fraction in the clay and gypsum composition, as well as the method for assessing the rheological characteristics of the plaster mixtures for interior work based on clay and gypsum binder. It was established that the content of the clay fraction in the

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13

Asamatdinov, Marat, Аlexey Zhukov, Andrey Medvedev, and Vitaly Mukhametzyanov. "Fire protection systems using clay-gypsum plaster in agriculture." E3S Web of Conferences 175 (2020): 11008. http://dx.doi.org/10.1051/e3sconf/202017511008.

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The article substantiates using a modified binder based on clay-gypsum as the main component of dispersed reinforced and plasters mixtures. The rheological properties of such mixtures and the performance characteristics of plaster coatings have been studied. It is proved that the use of clay-gypsum as part of a modified dispersed reinforced binder contributes to the creation of favorable environmental conditions and the formation of a comfortable climate inside the agricultural premises, as well as increases the degree of protection of structures in fire conditions. It is established that the

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14

Ibragimov, Marat A., Nelli N. Shishkina, and Elena G. Zinovjeva. "Reinforcement of Elastomers Based on Butadiene Rubbers and their Mixtures with Layered Silicates." Key Engineering Materials 869 (October 2020): 158–62. http://dx.doi.org/10.4028/www.scientific.net/kem.869.158.

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The rubber compounds based on BR and on mixtures BR with EPDM containing experimental organoclay samples based on bentonites from the “Sarinskoye” deposit (Orenburg Region, Russia), additives to polymers Cloisite® 10A manufactured by Southern Clay Prod. () were compared. The increase of tensile strength at break by introduction of organoclay in rubber compounds based on BR and on mixtures BR with EPDM was determined. The compatibility of rubbers with the introduction of organoclay in the mixture BR with EPDM was improved

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15

Khadzhishalapov, G. N., T. A. Khezhev, A. M. Gadzhiev, R. G. Radjabov, and U. I. Isaeva. "Investigation of the effect of electric heating of expanded clay concrete mixture on the structure and properties of lightweight expanded clay concrete exposed to high temperatures." Herald of Dagestan State Technical University. Technical Sciences 48, no. 4 (2022): 187–96. http://dx.doi.org/10.21822/2073-6185-2021-48-4-187-196.

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Objective. The aim of the study is to study the effect of preliminary electrical heating of the concrete mixture on the structure and properties of heat-resistant expanded clay concrete on a composite binder before drying at a temperature of 105°C. Method. It is based on domestic and foreign experience in studying the effect of preliminary electrical heating on the properties and structure of various concretes, including heat-resistant ones. Result. A laboratory stand for preliminary electrical heating of mixtures has been developed and tested. The influence of preliminary electric heating on

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16

Lyubomirskiy, Nikolay, S. Fedorkin, Aleksandr Bahtin, Tamara Bahtina, and S. Chunihin. "DEVELOPMENT OF RAW MIXTURE COMPOSITIONS FOR PRODUCING PORTLAND CEMENT CLINKER BASED ON WASTE FROM DIABASE ROCK QUARRYING." Construction and industrial safety, no. 36 (June 23, 2025): 47–56. https://doi.org/10.29039/2413-1873-2025-36-47-56.

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this article is devoted to the development of compositions of raw materials mixtures for the production of Portland cement clinker based on waste from the extraction of diabase rocks, which are a by-product in the production of non-metallic building materials from natural diabase stone. Subject of the study: the possibility of using waste from washing diabase rocks as clay raw materials in mixtures for the production of Portland cement clinker. Materials and methods: several groups of raw materials were used as objects of research: as clay raw materials – waste from washing diabase rocks forme

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17

Akbarimehr, Davood, Alireza Rahai, Abolfazl Eslami, and Moses Karakouzian. "Deformation Characteristics of Rubber Waste Powder–Clay Mixtures." Sustainability 15, no. 16 (2023): 12384. http://dx.doi.org/10.3390/su151612384.

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With the increasing accumulation of rubber waste, the potential reuse of rubber fillers offers a promising solution to enhance the engineering properties of low-plasticity soils while promoting environmental sustainability. In this study, the effect of rubber waste powders (RWPs) on the consolidation and deformation properties of low-plasticity clay soil (CS) was investigated using a fully automated consolidation testing procedure for clay–rubber mixtures. The study involved adding 2% up to 30% RWPs to Tehran clay, and various parameters were evaluated through consolidation, compaction, and un

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18

Korolev, V. A., E. N. Samarin, V. A. Panfilov, and I. V. Romanova. "Sorption Properties of Brucite and Brucite-Based Clay Mixtures." Ecology and Industry of Russia 20, no. 1 (2016): 18–24. http://dx.doi.org/10.18412/1816-0395-2016-1-18-24.

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19

Dalmacija, Milena, Bozo Dalmacija, Dejan Krcmar, et al. "Solidification/stabilization of metal polluted sediment of Krivaja river." Chemical Industry 66, no. 4 (2012): 469–78. http://dx.doi.org/10.2298/hemind111031110d.

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The Krivaja River is the longest natural water body (109 km) that flows completely within the borders of Serbian province of Vojvodina. In the absence of national legislation, the sediment quality was assessed in accordance with the Dutch classification methodology. It was found that the river sediment is highly contaminated with copper and zinc (192 mg kg-1 and 1218 mg kg-1 respectively), and as such is an extreme risk to the environment and human health. The solidification/stabilization (S/S) treatment with local clay, that has high capacity of cation exchange 70.2 meq/100 g and specific sur

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20

Asamatdinov, M. O., I. I. Popov, S. P. Chernukhin, and Alexey D. Zhukov. "Modified Gypsum Binder for Plastering Systems." Key Engineering Materials 887 (May 2021): 428–33. http://dx.doi.org/10.4028/www.scientific.net/kem.887.428.

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A natural gypsum binder or its analogs, which are the products of local raw materials recycling or by-products of other industries, is used as a basic component in the composition of interior plastering mixtures. Plaster coatings based on a gypsum binder have two main features. The first is the ability to control room humidity and absorb harmful emissions. The second is the ability to implement the barrier protection function in case of fire.Improvement of plastering works quality and optimization of their cost is related to the development of modified gypsum-based compositions, the justified

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Mollins, L. H., D. I. Stewart, and T. W. Cousens. "Predicting the properties of bentonite-sand mixtures." Clay Minerals 31, no. 2 (1996): 243–52. http://dx.doi.org/10.1180/claymin.1996.031.2.10.

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AbstractOne-dimensional swelling tests and hydraulic conductivity tests have been performed at vertical effective stresses up to 450 kPa on Na-bentonite powder and compacted sand/Na-bentonite mixtures (5, 10 and 20% bentonite by weight) to investigate the use of bentonite-improved soils for waste containment. It was found that bentonite powder swells to reach a final state described by a single straight line on a plot of void ratio against the logarithm of vertical effective stress, regardless of preparation technique. Swelling of sand/bentonite mixtures expressed in terms of the clay void rat

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22

Al Allam, Allam Musbah, Ahmed Suliman B. Ali, Hassan M. Hassan Ali, and Isa Ali Almuhktar. "Effect of Soft Clay on the Volumetric and Mechanical Properties of Hot Mix Asphalt." مجلة الجامعة الأسمرية: العلوم التطبيقية 6, no. 5 (2021): 186–202. http://dx.doi.org/10.59743/aujas.v6i5.1085.

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Abstract. To define the behaviour of asphalt mixture including various penetration grade bitumen has been a major subject of paving engineering. This search investigated the volumetric and mechanical properties of a hot-mix asphalt (HMA) mixture with the Superpave mix design. The mixture was added with powdered soft clay at five different percentages based on the bitumen weight (0%, 2%, 4%, 6%, and 8%). Performance tests were then conducted to determine the resilient modulus and volumetric properties of the mixture. Results show that bulk specific gravity increased after adding soft clay to th

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23

Ermilova, Elizaveta, and Zagira Kamalova. "The influence of calcined mixture cooling method on hydration products composition of blended cement stone." E3S Web of Conferences 274 (2021): 04011. http://dx.doi.org/10.1051/e3sconf/202127404011.

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Complex additives based on combinations of calcined clays, including kaolinite with limestone, due to the synergetic effect play a major role in the creation of blended cements. Usually carbonate rocks contain clay impurities with adverse effects on the properties of the resultant cements and concretes. At the same time calcium carbonate contained in marl clays during calcination allows getting high-quality pozzolanic material. The effective complex additive based on the calcined mixture of clay and limestone was created. The aim of the study is to determine the effect of fast and slow cooling

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24

Hamidifar, Hossein, and Mohammad Hossein Omid. "Local scour of cohesive beds downstream of a rigid apron." Canadian Journal of Civil Engineering 44, no. 11 (2017): 935–44. http://dx.doi.org/10.1139/cjce-2016-0398.

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In this paper, the physics of scour hole in a mixed sand–clay bed downstream of an apron is studied experimentally. Seven combinations of sand–clay mixtures including clay contents, Cc, ranging from 0 to 0.4 were used. The results show that Cc = 0.4 can reduce the maximum scour depth, εm, up to about 80% for all the densimetric Froude numbers in the range of the present study. An empirical equation has been proposed for calculation of εm in sand–clay mixtures with the mean error of 0.12. The removal mechanism of sediments from the bed was different based on the Cc. For low clay contents, i.e.,

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25

Kidalov, Nikolay A., Anna S. Adamova, and Viktoria V. Smirnova. "Effect of Temperature Calcinations of Clay on Strength of Moulding Mixture." Materials Science Forum 973 (November 2019): 26–29. http://dx.doi.org/10.4028/www.scientific.net/msf.973.26.

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26

Matteson, A., J. P. Tomanic, M. M. Herron, D. F. Allen, and W. E. Kenyon. "NMR Relaxation of Clay/Brine Mixtures." SPE Reservoir Evaluation & Engineering 3, no. 05 (2000): 408–13. http://dx.doi.org/10.2118/66185-pa.

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Summary Effective interpretation of nuclear magnetic resonance (NMR) logs in shaly sands requires an understanding of the NMR contribution of clays. Of particular importance is the role of clays in the rapidly relaxing part of the NMR signal. In this study we measured the transverse relaxation time spectrum T2 of brine mixed with four clays (illite, smectite, kaolinite and glauconite) as a function of compaction. The Larmor frequency was 2 MHz and the echo spacing 0.16 ms. Mild compaction was achieved by centrifuging the clay slurry at three successive pressures ranging from 1 to 125 psi. High

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Alves, Hugo P. A., Jaquelígia B. Silva, Liszandra F. A. Campos, Sandro M. Torres, Ricardo P. S. Dutra, and Daniel A. Macedo. "Preparation of mullite based ceramics from clay–kaolin waste mixtures." Ceramics International 42, no. 16 (2016): 19086–90. http://dx.doi.org/10.1016/j.ceramint.2016.09.068.

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28

Ducasse, Etienne, Karine Adeline, Xavier Briottet, Audrey Hohmann, Anne Bourguignon, and Gilles Grandjean. "Montmorillonite Estimation in Clay–Quartz–Calcite Samples from Laboratory SWIR Imaging Spectroscopy: A Comparative Study of Spectral Preprocessings and Unmixing Methods." Remote Sensing 12, no. 11 (2020): 1723. http://dx.doi.org/10.3390/rs12111723.

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Clay minerals play an important role in shrinking–swelling of soils and off–road vehicle mobility mainly due to the presence of smectites including montmorillonites. Since soils are composed of different minerals intimately mixed, an accurate estimation of its abundance is challenging. Imaging spectroscopy in the short wave infrared spectral region (SWIR) combined with unmixing methods is a good candidate to estimate clay mineral abundance. However, the performance of unmixing methods is mineral-dependent and may be enhanced by using appropriate spectral preprocessings. The objective of this p

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Brzyski, P., J. Wankiewicz, Z. Suchorab, and I. Medveď. "Selected properties of wall material based on hemp shives and clay modified with polysaccharide-based polymers." Journal of Physics: Conference Series 2911, no. 1 (2024): 012020. https://doi.org/10.1088/1742-6596/2911/1/012020.

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Abstract One of the assumptions of sustainable development in construction is the use of low-processed materials. A material with a low level of embodied energy is clay. It is mainly used in fired form as building ceramics, but alternatively it can be used in raw form, e.g. in the form of plasters or unfired bricks. Clay can be modified with ingredients of plant origin, e.g. hemp shives. Porous plant fillers are used, among others, to improve the thermal insulation parameters of clay-based wall materials. The disadvantage of raw clay-based materials is their lack of water resistance. This para

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Brown, Philip J., Lambert B. McCarty, Virgil L. Quisenberry, L. Ray Hubbard, and M. Brad Addy. "Influence of Increasing Fines on Soil Physical Properties of U.S. Golf Association Sand." HortScience 54, no. 11 (2019): 2063–66. http://dx.doi.org/10.21273/hortsci14110-19.

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Drainage is important to golf and athletic facilities trying to avoid lost play time. Native soil containing clay is sometimes incorporated into sand profiles with the intent to increase water and nutrient holding capacities. However, mixes high in silt and/or clay often have drainage problems. Research was conducted on soil physical properties from incremental 10% v/v additions of silt and clay (fines) to a U.S. Golf Association (USGA)-specification sand. Soils were evaluated based on volumetric water retention from 0 to 50 cm matric potential, saturated hydraulic conductivity (Ksat), porosit

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Joo, Incheol, and Jongmuk Won. "Influence of Sand Grain Size and Clay Mineralogy on Suffusion of Sand-Clay Mixtures." Journal of the Korean Society of Hazard Mitigation 23, no. 2 (2023): 91–99. http://dx.doi.org/10.9798/kosham.2023.23.2.91.

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Suffusion is a type of internal erosion caused by the detachment of fine particles. Additionally, continuous suffusion reduces the stability of geotechnical infrastructures. In this study, the impact of clay mineralogy and sand grain size on the suffusion of sand-clay mixtures was investigated using two-dimensional laboratory experiments on nine different sand-clay mixtures made of three types of sands (K3, K4, and K5) and clays (kaolinite, illite, and bentonite). The breakthrough curve for each sample was obtained for the top/middle/bottom outlets of the designed cell to measure and analyze t

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Mousavi, Seyed Sina, Chandrasekhar Bhojaraju, and Claudiane Ouellet-Plamondon. "Clay as a Sustainable Binder for Concrete—A Review." Construction Materials 1, no. 3 (2021): 134–68. http://dx.doi.org/10.3390/constrmater1030010.

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The negative environmental impacts of Portland cement as a binder in the construction industry have created a growing impetus to develop sustainable alternative binders. Various types of clay have been considered as potential cement replacements. The impact of clays as cement replacement depends on the dosage and treatment methods. This paper presents a comprehensive review to determine the effects of different types of clay on the fresh and hardened properties of concrete mixtures by analyzing the experimental database reported by the literature, including raw, calcined, modified, nano, and o

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Konrad, Jean-Marie, and Martin Samson. "Hydraulic conductivity of kaolinite-silt mixtures subjected to closed-system freezing and thaw consolidation." Canadian Geotechnical Journal 37, no. 4 (2000): 857–69. http://dx.doi.org/10.1139/t00-003.

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Kaolinite-silt mixtures at different clay contents were subjected to closed-system freezing and thaw consolidation to obtain data on the hydraulic conductivity of thawed samples. A simplified void ratio model was developed based on the compressibility characteristics of the clay aggregates and the freezing-induced suctions. The close agreement between predictions and observations suggests that the assumptions of the model are reasonable, especially that maximum freezing-induced suctions developed in the clay aggregates are related to the temperature at which no significant change in unfrozen w

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Zhang, Jun Rui, Meng Dan Xu, Georgios E. Christidis, and Chun Hui Zhou. "Clay minerals in drilling fluids: functions and challenges." Clay Minerals 55, no. 1 (2020): 1–11. http://dx.doi.org/10.1180/clm.2020.10.

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AbstractThe addition of clay minerals in drilling fluids modifies the dispersion's viscosity. In this article, scientific advances related to the use of clays and clay minerals (bentonite, palygorskite, sepiolite and mixtures of clay minerals) in drilling fluids are summarized and discussed based on their specific structure, rheological properties, applications, prevailing challenges and future directions. The rheological properties of drilling fluids are affected by the temperature, type of electrolytes, pH and concentration of clay minerals. Bentonites are smectite-rich clays often used in d

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Khedidja, Belaidi, Zedjaoui Abdeljalil, Mekerta Belkacem, Bassoud Abdelkader, and Allal Mohamed-Amine. "Evaluation of the Permeability of Clay-Lime Mixtures for Hazardous Waste Insulation Barriers, Case of Southern Algeria (Adrar)." Trends in Sciences 21, no. 7 (2024): 7725. http://dx.doi.org/10.48048/tis.2024.7725.

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Containment of hazardous waste is one of the methods that can be used today for its disposal worldwide, especially in landfills. In order to preserve groundwater, landfills are constructed on a natural or reconstituted clay layer of low permeability, known as a passive safety barrier. This paper presents an experimental laboratory study that aims to upgrade local materials for use as a passive barrier in the bottoms of hazardous waste storage facilities (HWSCs). The basic materials are clays from the Adrar region in southern Algeria. An experimental study based on physical-chemical characteriz

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Kohno, Masanori, Yoshitaka Nara, Masaji Kato, and Tsuyoshi Nishimura. "Effects of clay-mineral type and content on the hydraulic conductivity of bentonite–sand mixtures made of Kunigel bentonite from Japan." Clay Minerals 53, no. 4 (2018): 721–32. http://dx.doi.org/10.1180/clm.2018.52.

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ABSTRACTClay-mineral type and content, bulk mineralogical composition and alteration of bentonite are very important factors for the ultra-long-term stabilization of barriers and backfills in radioactive waste disposal. This study investigates the effects of clay-mineral type and content on the swelling characteristics and permeability of bentonite–sand mixtures with clay minerals using one-dimensional swelling-pressure and constant-pressure permeability tests. The hydraulic conductivity of bentonite–sand–clay mineral mixtures increased with increasing content of non-swelling alteration produc

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Firstov, A. P., and O. I. Shevchenko. "Core mixture based on modified lignosulfonate." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 79, no. 5 (2023): 401–5. http://dx.doi.org/10.32339/0135-5910-2023-5-401-405.

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Technical lignosulfonates (LST) are a by-product in the production of cellulose by the sulfite method. Lignosulphonates are the third most widely used binder in foundries (after clay and liquid glass). They are used for rawforming, dryforming, making rods in heated tooling, non-stick paints, etc. Molding mixtures with only one LST are not used, as they have low strength due to the occurrence of stresses and cracks in the films of this binder. In addition, LST, like all water-soluble binders, have a suspended hygroscopicity, which reduces thestrength of the rod (mold) during storage. However, w

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V.M. Kurduymova, M.U. Uranova, and M.A. Baituganova. "WALL PRODUCTS ON THE BASIS OF STRAW AND ALKALINE BINDERS." Herald of KSUCTA n a N Isanov, no. 2 (June 24, 2019): 303–6. http://dx.doi.org/10.35803/1694-5298.2019.2.303-306.

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Chen, Chenghao, Shengshui Chen, Shiang Mei, Shaoyang Han, Xian Zhang, and Yi Tang. "An Improved Large-Scale Stress-Controlled Apparatus for Long-Term Seepage Study of Coarse-Grained Cohesive Soils." Sensors 21, no. 18 (2021): 6280. http://dx.doi.org/10.3390/s21186280.

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Clay–gravel mixture has been widely used in high embankment dams and understanding its seepage characteristics is critical to dam safety. From the instrumental perspective, the realization of continuous pressurized water supply becomes a key technical challenge, significantly restricting the working conditions replicated in previous seepage apparatuses. To this end, a novel water provision system, relying on parallel-disposed sensor-based pressure devices, was introduced, so that the application of an existing large-scale stress-controlled apparatus can be expanded to long-term seepage tests r

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Yin, Kexin, Anne-Laure Fauchille, Khaoula Othmani, et al. "Influence of sample preparation on the multi scale structure of sand-clay mixtures." E3S Web of Conferences 92 (2019): 01007. http://dx.doi.org/10.1051/e3sconf/20199201007.

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This paper focuses on the influence of sample preparation on the multi scale structure of sand-clay mixtures. Three different protocols to mix silica and kaolinite were tested in the laboratory to identify the one providing the most homogeneous microstructure. From the macroscopic to the microscopic scales, optical observation, 3D X-ray tomography, 2D scanning electron microscopy (SEM) and 2D environmental scanning electron microscopy (ESEM) were carried out on wet and dry samples. This paper provides a first insight on the mechanisms of sand clay mixing from the cm to μm scale. Preliminary re

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PETROV, A. M., and S. Y. SHEPTUN. "THE EFFECT OF MAN-MADE MICROFILLERS ON THE STRENGTH OF ADHESION TO THE BASE OF THE SOLUTION OF THE DRY CONSTRUCTION MIXTURE." Bridges and tunnels: Theory, Research, Practice, no. 24 (December 1, 2023): 66–71. http://dx.doi.org/10.15802/bttrp2023/291864.

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Purpose. The study consists in increasing the adhesion of a cement-based dry mortar to a concrete base by modifying the composition with microfine waste from industrial production. When using microfine fillers of technogenic origin, the cost of production should decrease, the energy efficiency of production will increase, and the technogenic impact on the environment will decrease. Methodology. The study of dry mixtures for the installation of poured floors was carried out in accordance with DSTU B V. 2.7-126:2011 "Modified dry construction mixtures. General technical conditions". The basis wa

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Laaroussi, N., G. Lauriat, M. Garoum, A. Cherki, and Y. Jannot. "Measurement of thermal properties of brick materials based on clay mixtures." Construction and Building Materials 70 (November 2014): 351–61. http://dx.doi.org/10.1016/j.conbuildmat.2014.07.104.

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Ghorbani, Ali, and Meysam Salimzadehshooiili. "Evaluation of Strength behaviour of Cement-RHA Stabilized and Polypropylene Fiber Reinforced Clay-Sand Mixtures." Civil Engineering Journal 4, no. 11 (2018): 2628. http://dx.doi.org/10.28991/cej-03091187.

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In this paper, regarding the high availability of rice husk ash (RHA) in Guilan province, also, to decrease the geo-environmental issues caused by dumping RHA in the environment, different clay-sand mixtures are stabilized using the combination of cement and RHA. Polypropylene (PP) fibers are also used to decrease the growth of tensile cracks and increase the overall strength of samples. As the main scope, effect of sand content (in different conditions: with and without presence of RHA) on the compressive strength of stabilized and reinforced samples is investigated. In this regard, 28 day cu

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Widomski, Marcin K., Anna Musz-Pomorska, and Wojciech Franus. "Hydraulic and Swell–Shrink Characteristics of Clay and Recycled Zeolite Mixtures for Liner Construction in Sustainable Waste Landfill." Sustainability 13, no. 13 (2021): 7301. http://dx.doi.org/10.3390/su13137301.

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This paper presents research considering hydraulic as well as swelling and shrinkage characteristics of potential recycled fine particle materials for compacted clay liner for sustainable landfills. Five locally available clay soils mixed with 10% (by mass) of NaP1 recycled zeolite were tested. The performed analysis was based on determined plasticity, cation exchange capacity, coefficient of saturated hydraulic conductivity after compaction, several shrinkage and swelling characteristics as well as, finally, saturated hydraulic conductivity after three cycles of drying and rewetting of tested

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La Noce, Michele, Alessandro Lo Faro, and Gaetano Sciuto. "Clay-Based Products Sustainable Development: Some Applications." Sustainability 13, no. 3 (2021): 1364. http://dx.doi.org/10.3390/su13031364.

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Clay has a low environmental impact and can develop into many different products. The research presents two different case studies. In the first, the clay is the binder of raw earth doughs in order to produce clay-bricks. We investigate the effects of natural fibrous reinforcements (rice straws and basalt fibers) in four different mixtures. From the comparison with a mix without reinforcements, it is possible to affirm that the 0.40% of basalt fibers reduce the shrinkage by about 25% and increase the compressive strength by about 30%. Future studies will focus on identifying the fibrous effect

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Gökalp, Z. "Engineering characteristics of sand-clay mixtures used for clay cores of earth-fill dams." Clay Minerals 44, no. 3 (2009): 319–26. http://dx.doi.org/10.1180/claymin.2009.044.3.319.

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AbstractClay is the main construction material for clay cores of earth-fill dams. Clay minerals swell when they become wet and shrink when they dry out; cracks develop as they lose moisture. If precautions are not taken to prevent seepage through these cracks, dam failures may result. In this study, sand was added to montmorillonite-dominant clay soils to investigate the effect of sand-inclusion rates on the engineering characteristics of clay soils used in the construction of clay cores of earth-fill dams. Changes in the consistency limits, compaction characteristics, permeability, stress-str

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Okay, Gonca, Phillipe Leroy, Ahmad Ghorbani, et al. "Spectral induced polarization of clay-sand mixtures: Experiments and modeling." GEOPHYSICS 79, no. 6 (2014): E353—E375. http://dx.doi.org/10.1190/geo2013-0347.1.

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Spectral induced polarization or complex conductivity is a promising electric method in hydrogeophysics because of its sensitivity to water saturation, permeability, and particle size distribution (PSD). However, the physical and chemical mechanisms that generate the low-frequency complex conductivity of clays are still debated. To explain these mechanisms, the complex conductivity of kaolinite, smectite, and clay-sand mixtures was measured in the frequency range 1.4 mHz–12 kHz with various clay contents (100%, 20%, 5%, and 1% in volume of the clay-sand mixture) and salinities (distilled water

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Nizhegorodov, A. I. "MIXING PROCESSES AND EQUIPMENT. CONSTRUCTION MIXTURES AND MIXTURES FOR MANUFACTURING CONSTRUCTION MATERIALS. LECTURE 9." Spravochnik. Inzhenernyi zhurnal, no. 296 (November 2021): 52–59. http://dx.doi.org/10.14489/hb.2021.11.pp.052-059.

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The article presents materials of Lecture 9 Theory of carrying and lifting, construction and road vehicles and equipment, which describes mixing machines, concrete mixtures, their dosage, quality and homogeneity. The process of concrete mixing and energy aspects of its production are described. The data on mixers used for producing mortars and clay suspensions are presented. The design of a special mixer for producing polystyrene-silicate mineralized granules and the production technology for hollow silicate spheres based on the working process of a special mixer are described.

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Mesboua, N., K. Benyounes, S. Kennouche, Y. Ammar, A. Benmounah, and H. Kemer. "Calcinated Bentonite as Supplementary Cementitious Materials in Cement-Based Mortar." Journal of Applied Engineering Sciences 11, no. 1 (2021): 23–32. http://dx.doi.org/10.2478/jaes-2021-0004.

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Abstract The construction industry consumes a large quantity of cement, which therefore leads to a high CO2 emission due to the cement manufacture. The partial replacement of cement by supplementary cementations materials (SCMs) is considered as the most promising alternative to reduce the environmental impact of this industry. This investigation aims to evaluate the performance of calcinated clay (calcined bentonite at 850 °C) used as partial replacement of cement in cement-based mortar. The evaluated performances include the physico-chemical and mechanical properties, as well as microstructu

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Tarvornpanich, Tarnkamol, Guilherme P. Souza, and William E. Lee. "Microstructural Evolution in Clay-Based Ceramics II: Ternary and Quaternary Mixtures of Clay, Flux, and Quartz Filler." Journal of the American Ceramic Society 91, no. 7 (2008): 2272–80. http://dx.doi.org/10.1111/j.1551-2916.2008.02394.x.

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