Academic literature on the topic 'Super plasticizers'

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Journal articles on the topic "Super plasticizers"

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Greco, Antonio, Francesca Ferrari, and Alfonso Maffezzoli. "Processing of Super Tough Plasticized PLA by Rotational Molding." Advances in Polymer Technology 2019 (February 3, 2019): 1–8. http://dx.doi.org/10.1155/2019/3835829.

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This work is aimed at studying the suitability of polylactic acid (PLA) plasticized by two cardanol derivatives, i.e., cardanol and epoxidized cardanol acetate, in rotational molding, for the production of hollow items. For this purpose, plasticized PLA samples were obtained by melt mixing and then processed by a lab-scale rotational molding equipment. For comparison, poly(ethylene glycole), PEG, and plasticized PLA samples were also produced. Despite the very low cooling rates attained in rotational molding, completely amorphous samples were obtained with neat PLA and PLA plasticized by carda
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Khulhare, Chandrashekhar, Dr P. K. Singhai, Abhay Kumar Jha, Barun Kumar, and Rajesh Misra. "Influence of Superplasticizers (Conplast Conplast SP 430) on Fresh Properties of Self-Compacting Concrete: An Experimental Investigation." International Journal for Research in Applied Science and Engineering Technology 10, no. 10 (2022): 772–75. http://dx.doi.org/10.22214/ijraset.2022.47088.

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Abstract: Super plasticizer has played a significant part in the recent issues of stability, particle suspension, particle segregation, flow properties, and cohesiveness in concrete. This study looked at how self-compacting concrete's characteristics and workability were affected by super plasticizer (SCC). Super plasticizers Conplast Conplast SP 430 is employed in the current investigation with concrete grades M30 and M40. Fresh concrete was used for the workability slump, compressive strength, and flexural strength test. On the hardened concrete, a test for compressive strength was performed
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Wang, Pei Ming, та Wei Pan. "Influence of Compounding Malic Acid with Plasticizers on Hydration Heat of α-Calcium Sulphate Hemihydrate". Advanced Materials Research 306-307 (серпень 2011): 1088–95. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.1088.

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On condition of formulating malic acid (Malic) with super plasticizers (SPs), the hydration heat of α-calcium sulfate hemihydrate (α-HH) was studied. The results show that: Malic and SPs mainly adsorb on gypsum surface to exert inhibition; influence of compositing SPs on hydration process mainly depends on the adsorption of SPs and the effect of SPs on Malic adsorption; formulation of sulfonate melamine formaldehyde plasticizer (SMF) limits the adsorption of Malic.
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Chen, Ming, and Shan Shan Li. "The catalysts for synthesis of citrate esters plasticizers and the application of citrate esters plasticizers." Cambridge Science Advance 2024, no. 2 (2024): 13–17. http://dx.doi.org/10.62852/csa/2024/10.

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The latest research progress in citrate esters plasticizers at home and abroad was introduced. The advance in the catalysts for the syn thesis of citrate esters plasticizers and the application of citrate esters plasticizers were reviewed in detail. The catalysts for the synthesis of citrate esters included sulfonic acid, solid super acid, heteropolyacids, ionic liquids and inorganic salts. The citric acid ester plasticizers were applied in the fields of food packaging, children's toys and medical instrument. The development prospects of citric acid ester plasticizers were outlined.
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Patil, Ushadevi, and Rupali Zope. "Experimental Study on Behavior of Pervious Concrete in Strength and Permeability by Changing Different Parameters." International Journal for Research in Applied Science and Engineering Technology 11, no. 1 (2023): 682–86. http://dx.doi.org/10.22214/ijraset.2023.48596.

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Abstract: A type of concrete with a high void or porosity that allows water to penetrate through it is called pervious concrete. Pervious concrete behavior was examined using various sizes of aggregate (20mm and 10mm), weight/concentration ratios (0.34 & 0.28), super plasticizers (Aura mix 400 & Conplast SP 430) and different percentages of fiber (i.e. 1% & 2%). Compressive strength, flexural strength, permeability test criteria were used to describe the similarity. The results show that decreasing the w/c ratio from 0.34 to 0.28 results in a moderate increase in strength and super
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Et. al., M. Samuel Thanaraj,. "Investigations on Improving the Compressive Strength of Sand Column with Cement Grout and Chemical Admixture." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 2 (2021): 1841–47. http://dx.doi.org/10.17762/turcomat.v12i2.1522.

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Grouting is one of the most commonly adopted technique for soil improvement and strengthening. Adding super plasticizers, accelerators, antifreezes, air entraining agent improves the performance of the cement grout. The performance of the grout while injecting in the sand column mainly depends on its fluidity property. Keeping it in mind about the water cement ratio, the strength of the sand column is studied in two sets of experiments one by sand column with cement grout only and another set by sand column with cement grout added with super plasticizers by varying the water cement ratios. Str
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Naik, G. Prashanth, Srikanth Koniki, and Hemalatha. "Comparative study of Conplast SP 430 and Polycarboxylic Ether based super plasticizer on M50 grade PVA-FRC." E3S Web of Conferences 309 (2021): 01173. http://dx.doi.org/10.1051/e3sconf/202130901173.

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The properties of conventional concrete is improved by addition of fiber in it. By addition of these fibers ductility of concrete is enhanced and brittleness of concrete reduced. In this study Polyvinyl alcohol (PVA) fibers are used as a reinforcing material. Polyvinyl alcohol is a high resistance nonreactive material. It will not oxidize when exposed to aggressive whether conditions and having good affinity with cement. Polyvinyl alcohol fibre of size 6 mm added in five proportions of 0%, 0.125%, 0.25%, 0.375% and 0.5%. the workability of concrete decreased by addition of PVA fibers in it. So
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Thakur, Krishna. "Use of Super Plasticizers in Concrete - A Review." International Journal for Research in Applied Science and Engineering Technology 8, no. 11 (2020): 624–26. http://dx.doi.org/10.22214/ijraset.2020.32210.

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Reddy.J, Surya Chandra, Vijayalakshmi Akella, and Navenna M.P. "EFFECT OF SUPER PLASTICIZERS ON PROPERTIES OF CONCRETE." International Journal of Research in Engineering and Technology 06, no. 17 (2017): 48–50. http://dx.doi.org/10.15623/ijret.2017.0617008.

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Netesa, M. I. "THE EFFECTIVENESS OF MODERN SUPERPLASTICIZERS IN LOW-DURABLE CONCRETES." Science and Transport Progress, no. 9 (December 25, 2005): 180–83. http://dx.doi.org/10.15802/stp2005/20001.

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Dissertations / Theses on the topic "Super plasticizers"

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Elmakki, Rihab Abdelrahman Mohamed. "The effect of extending four cements with limestone with addition of super-plasticisers on the hydration reaction of SCC cement paste." Thesis, Cape Peninsula University of Technology, 2016. http://hdl.handle.net/20.500.11838/2466.

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Thesis (MTech (Civil Engineering))--Cape Peninsula University of Technology, 2016.<br>The addition of certain fillers and additives in conventional concrete is imperative for improving its rheological properties. The effect of additives, namely limestone (LS) and superplasticisers (SP), on the hydration kinetics of self-compacting concrete (SCC) was investigated on cement paste scale. These additives interact mostly with cement paste, since aggregates are considered to be inert materials. An understanding of the effect of these additives on the hydration kinetics of cement paste is paramount t
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Books on the topic "Super plasticizers"

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Institute, American Concrete, and Canada Centre for Mineral and Energy Technology., eds. Super-plasticizers in concrete. University Microfilms, 1989.

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Book chapters on the topic "Super plasticizers"

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Giridhar, Dr Valikala, and Mr Mahankali Sreenath. "INFLUENCE OF OPTIMIZED SUPER PLASTICIZER EFFECT ON HIGH STRENGTH CONCRETE." In Futuristic Trends in Construction Materials & Civil Engineering Volume 2 Book 11. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2023. http://dx.doi.org/10.58532/v2bs11p2ch3.

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Chemical admixtures are a valuable choice in concrete production for achieving better performance and desired properties. Among them, Super plasticizer, one of the common admixtures which are used to reduce water content in the concrete mix and influences the behavior of fresh concrete. In order to determine the optimum dosage of admixture, Marsh Cone Test was performed and additionally the effect of higher dosage has been studied together. The present paper emphasizes on determining optimum Super plasticizer dosage of desired workability using Marsh Cone Test at pre-determined water cement ra
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P .D, Maneeth, Dr Shreenivasreddy Shahapur, and Neha Dama. "EVALUATION OF HNO3 CHEMICAL ATTACK AND ITS EFFECTIVENESS AGAINST SCC WITH HYBRID FIBER." In Futuristic Trends in Construction Materials & Civil Engineering Volume 3 Book 3. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bice3p5ch1.

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A self-compacting concrete mixture was made using OPC grade 53, 5% silica fumes, 25% GGBS, fine aggregate, coarse aggregate, micro steel fibers, macro wavy fibers, and super plasticizers. There were six different cement weight combinations that were used to make SCC mixes: N, 0%, 0.5%, 1%, 1.5%, and 2%. Every cube combination's compression strength is assessed. Three cube combinations are cast, and each combination is given a 3, 28-day curing period. After the strength test is finished, the cubes with the longest curing periods produce the strongest results. In this paper, several chemical res
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Angadi, Vidya, and Ravi V. Angadi. "The Application of SCT for Concrete Mix Proportions Prediction." In Frontiers of Advancements in Materials | IoT | Drones | and Innovations in Construction Environment | and Infrastructure. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/nbennurfach8.

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This study helps to achieve concrete mix proportions by using methods of soft computing, including approaches and equation-driven artificial neural networks.Traditional concrete mix design methods consumes more time and it involves various trails and design parameters, this may leads new concrete mix designers struggle to choose the water cement ratio and super plasticizer amount.These challenges result in the inability to attain optimal concrete mix proportions.In this case study manually developed optimal concrete mix proportions of different parameters are used to generate coefficeints to p
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Khan Asad-ur-Rehman and Zahra Tatheer. "Study of properties of steel fiber reinforced concrete for possible applications in Pakistan." In Construction Materials and Structures. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-466-4-145.

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Steel fibers have been used worldwide to enhance properties of concrete but have not yet gained popularity in Pakistan. An experimental study was conducted to study the mechanical properties of steel fiber reinforced concrete that would lead to recommendation for possible use in Pakistan. Steel fibers conforming to recommendations of ACI Committee 544 were used with cement, sand and silica fume to cast samples for testing. Coarse aggregates were not used in order to compare the properties with famous Ultra High Performance ductile Concrete (UHPdC). Three different mixes were made with 2.5%, 5%
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Conference papers on the topic "Super plasticizers"

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"New Super-plasticizers Based on Modified Melamine Polymer." In SP-179: Fourth CANMET/ACI/JCI Conference: Advances in Concrete Technology. American Concrete Institute, 1998. http://dx.doi.org/10.14359/6042.

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Reddy, Polu Sireesh Kumar, T. Srinivas, and Raju Agurla. "Comparative study of concrete mix proportions by adding various percentages of super plasticizers." In LOW RADIOACTIVITY TECHNIQUES 2022 (LRT 2022): Proceedings of the 8th International Workshop on Low Radioactivity Techniques. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0161168.

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Guo, Wenkang, Haibo Yin, Shuyin Wang, and Zhifeng He. "The influence of polycarboxylate-type super-plasticizers on alkali-free liquid concrete accelerators performance." In ADVANCES IN ENERGY SCIENCE AND ENVIRONMENT ENGINEERING: Proceedings of the 2017 International Workshop on Advances in Energy Science and Environment Engineering (AESEE 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.4979745.

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"A Systematic Study on Physical and Mechanical Properties of No-Fine Concrete with Additives." In Recent Advancements in Geotechnical Engineering. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901618-24.

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Abstract. No-fine concrete (also called as pervious concrete or porous concrete) is a lightweight concrete made up of primary binder and coarse aggregates with little or no sand. Due to the reduced amount or absence of fines, it produces large number of voids which improves permeability to greater extent. Hence this type of concrete can be used in pavements and in parking lots. The literature review is carried out to study the physical and mechanical properties of no-fine concrete with additives. Various reports were collected and studied about variation in physical and mechanical properties o
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Bankhead, Mark, Kevin Good, Scott L. Owens, and Karl P. Travis. "Multi-Scale Simulation of Soft Material Flow." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93173.

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We describe a multi-scale modeling approach to model the rheology of soft matter, which can then be applied to simulate flow of viscous inorganic material in pipes and containers. Mesoscale methods, such as dissipative particle dynamics (DPD) are a key component of multi-scale modeling, as they bridge the gap between fundamental theory and continuum length scales. The paper describes a method for parameterizing DPD simulations for cements and inorganic sludges based on calculating a volume dependent cohesive energy interaction and compressive term from MD simulation with a generalized inorgani
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Yin, Canbin. "Experimental study on mix proportion of recycled concrete with super plasticizer." In 2021 13th International Conference on Measuring Technology and Mechatronics Automation (ICMTMA). IEEE, 2021. http://dx.doi.org/10.1109/icmtma52658.2021.00112.

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"Rheological Behavior of Portland Cement in the Presence of a Super Plasticizer." In SP-119: Superplasticizers and Other Chemical Admixtures in Concrete. American Concrete Institute, 1989. http://dx.doi.org/10.14359/2462.

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Qassem, Ahmed Jasim, and Nada Mahdi Fawzi Aljalawi. "Effect of Sustainable Fibres on Properties of Structural Perlite Concrete Containing Local, Sustainable Materials." In The 2nd International Conference on The Future Sustainable Energy. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-obh7qi.

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For sustainability in the construction field, finding a substitute for cement and recycling the waste in concrete is important. This paper shows the effect of sustainable copper fibres on some properties of perlite structural lightweight concrete containing sustainable materials. Research includes slump, density, compressive strength, flexural strength and thermal conductivity tests. The materials used to cast the specimen are ordinary Portland cement, local ash, metakaolin, combined coarse and fine perlite aggregate, and super-plasticizer. The concrete is reinforced with 1% copper fibres by v
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Bulusu, Venkata Joga Rao, Kusam Sudhakar Reddy, and Muppireddy Amarnatha Reddy. "Challenges in the Construction of Concrete Pavements: An Indian National Highway Construction Experience." In 12th International Conference on Concrete Pavements. International Society for Concrete Pavements, 2021. http://dx.doi.org/10.33593/z8i37uhw.

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The construction of cement concrete pavement is a very complex and sensitive process with many factors influencing the quality of concrete and the quality of finished pavement surface. In this paper, the authors presented the construction related issues faced during the construction of a national highway section in India. The major issues discussed are the edge collapse near horizontal curves in winter season in slip form paving method, uneven surface profile caused due to frequent starting and stopping of paver machine due to the difference in the mix delivery speed and the paver speed, the u
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S., Nithiya Shoba. "Experimental Investigations on Modifie Fibre Reinforced Concrete." In The International Conference on scientific innovations in Science, Technology, and Management. International Journal of Advanced Trends in Engineering and Management, 2023. http://dx.doi.org/10.59544/fgbv1348/ngcesi23p133.

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In reviewing technology advances through the centuries, it is evident that material development plays a key role. Considerable efforts are still being made in every part of the world to develop new construction materials. In the construction industry, concrete technology is heading towards entirely new era by way of using polymers and fibres along with Super plasticizer in concrete. Increasing interest is being shown in the area of new materials in the past decade. This is quite understandable because, it is slowly, but increasingly being recognized that economic progress in construction depen
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