Relevant bibliographies by topics / Hardening accelerator

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Hardening accelerator'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Hardening accelerator"

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Gao, Zhen Guo, Bing Wen Yao, Yu Fang Han, and Hui Li Qian. "The Research on Composition Design and Hardening Accelerating Effect of Na+ & K+ Ions-Free Concrete Hardening Accelerator." Key Engineering Materials 405-406 (January 2009): 149–54. http://dx.doi.org/10.4028/www.scientific.net/kem.405-406.149.

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By means of orthogonal experimental design, the composition (including Calcium formate, Ferric sulfate and Crystal-embryo) of Na+ & K+-free concrete hardening accelerator is designed, and the hardening accelerative effect of the concrete hardening accelerator is studied. The experimental result indicate that there are the interactions between compositions each other, the optimal combination of the factors is 4:5:3 (Calcium formate: Crystal-embryo: Ferric sulfate).By this combination, the concrete hardening accelerator is prepared. The early strength of the concrete which mixed with the con
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Tarakanov, O. V., E. A. Belyakova, and V. S. Yurova. "Complex Organomineral Additives with Hardening Accelerator." Solid State Phenomena 284 (October 2018): 929–35. http://dx.doi.org/10.4028/www.scientific.net/ssp.284.929.

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A complex organomineral additive based on local raw materials (diatomite), superplasticizer and accelerator for sodium sulfate hardening has been developed. The possibility of using activated diatomite in the composition of concrete instead of microsilica with activation of the sodium sulfate hardening process is shown. The results of the effect of additives on the composition of the hydrated phases of cement systems, the processes of structure formation and hardening of cement materials, the effect of a complex additive on the strength of concrete are given. The achievement of high strength p
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Stepanov, S. V. "Concrete hardening accelerator containing galvanic sludge." Magazine of Civil Engineering 34, no. 8 (2012): 67–71. http://dx.doi.org/10.5862/mce.33.10.

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Adamtsevich, Aleksey, Andrey Pustovgar, Stanislav Pashkevich, Aleksey Eremin, and Andrey Zhuravlev. "Evaluation the Strength of Cement Systems, Modified by Accelerators." Applied Mechanics and Materials 670-671 (October 2014): 339–43. http://dx.doi.org/10.4028/www.scientific.net/amm.670-671.339.

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Nowadays, there is a great demand for the accelerated hardening construction mixtures. That causes the necessity to the methods development for testing the effectiveness of accelerators, well as the analysis of kinetics of cement systems hydration in the early stages of hardening. This paper presents the results of an experimental research of interrelation between the growth kinetics of cement-based binder system strength and the heat release for pure cement hydration. How it was found, two compositions of construction mix, which are identical in mineral composition and differ in the presence
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Ďureje, Jakub, and Zdeněk Prošek. "CEMENT PASTE CONTAINING MICRONIZED RECYCLED CONCRETE - INFLUENCE OF HARDENING ACCELERATORS ON THE MODULUS OF ELASTICITY." Acta Polytechnica CTU Proceedings 26 (March 17, 2020): 19–23. http://dx.doi.org/10.14311/app.2020.26.0019.

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The article deals with the selection of a suitable hardening accelerator for cement composite material for mass production of masonry blocks. The blocks contain cement and finely ground recycled concrete in ratio 1:1. Three different hardening accelerators in different quantity were tested for possibility of fast removing formwork. The dynamic modulus of elasticity was measured by non-destructive resonance method to determine the initial strengths. The modulus of elasticity was measured 7 and 12 hours after sample production to determine the increase in initial strength. Subsequently, the modu
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Kirakevych, Iryna, Myroslav Sanytsky та Igor Margal. "Self-Сompacting Сoncretes, which hardening at different temperature conditions". Theory and Building Practice 2020, № 2 (2020): 107–12. http://dx.doi.org/10.23939/jtbp2020.02.107.

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In the article the features of reinforced concrete hardening at different temperature conditions and the current issues of preparation technology of Self-Сompacting Сoncretes (SCC) on the basis of superplasticized cementitious systems, combining knowledge of structure and modifying Portland cement compositions "Portland cement – active mineral additives – microfiller – superplasticizer – accelerator of hardening" to search for rational making provision of technical and building properties of concrete in the changing factors of its composition, technology and exploitation are shown. The physico
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Kim, Gyu-Yong, Yong-Ro Kim, and Jong-Ho Park. "Investigation of Early-Age Concrete Strength Development Using Hardening Accelerator." Journal of the Korea Concrete Institute 28, no. 3 (2016): 309–16. http://dx.doi.org/10.4334/jkci.2016.28.3.309.

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Kleinschmidt, Christoph. "Analytical considerations of beam hardening in medical accelerator photon spectra." Medical Physics 26, no. 9 (1999): 1995–99. http://dx.doi.org/10.1118/1.598704.

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Plugin, Andrii A., and Raisa F. Runova. "Bonding Calcium Chloride and Calcium Nitrate into Stable Hydration Portland Cement Products: Stability Conditions of Calcium Hydrochloraluminates and Calcium Hydronitroaluminates." International Journal of Engineering Research in Africa 36 (June 2018): 69–73. http://dx.doi.org/10.4028/www.scientific.net/jera.36.69.

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A thermodynamic analysis of the reactions of calcium chloride and calcium nitrate with tricalcium aluminate when used as a hardening accelerator for portland cement, as well as decomposition reactions of calcium hydrochloraluminate (CHChA) and calcium hydronitroalyuminate (CHNA) formed during the hardening was performed. The conditions of stable existence of CHChA and CHNA in the cement matrix were established.
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Adamtsevich, Aleksey, and Andrey Pustovgar. "Effect of Modifying Admixtures on the Cement System Hydration Kinetics." Applied Mechanics and Materials 725-726 (January 2015): 487–92. http://dx.doi.org/10.4028/www.scientific.net/amm.725-726.487.

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Presented are the results of the research on the impact of such factors as temperature conditions and cement phase composition on the effectiveness of hardening accelerators for concrete and other cement systems. The evaluation of the modifying elements effect has been performed by using the isothermal calorimetry method. This research revealed the selectivity of the admixtures impact when used together with different cement brands, as well as the possibility of increase setting time for cement systems in lower temperature conditions with the addition of Lithium carbonate based accelerator.
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Dissertations / Theses on the topic "Hardening accelerator"

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Berndtsson, Filippa, and Bal Harun Suleyman. "Acceleratorers påverkan för sprutbetongens tidiga hållfasthet." Thesis, KTH, Byggteknik och design, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-259690.

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Vid underhållsarbeten av trafikerade tunnlar stängs trafiken av. Därav sker dessa arbeten oftast nattetid. För att kunna släppa på trafiken igen så snabbt som möjligt eftersträvas effektiva förstärkningsarbeten. Av säkerhetsskäl kan utökade hållfasthetskrav förekomma för sprutbetong som förstärkningsmetod. Om betongen hinner uppnå det krav som ställs för hållfastheten snabbare kan antal nätter som tillägnas förstärkningsarbeten reduceras. Detta examensarbete ska undersöka hur olika tillsatser av typen acceleratorer kan påskynda den tidiga hållfasthetsutvecklingen för sprutbetong. Utav de accel
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Oliveira, Daniel Alfonso Gonçalves de. "Hardening strategies for HPC applications." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/182011.

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A confiabilidade de dispositivos de Processamentos de Alto Desempenho (PAD) é uma das principais preocupações dos supercomputadores hoje e para a próxima geração. De fato, o alto número de dispositivos em grandes centros de dados faz com que a probabilidade de ter pelo menos um dispositivo corrompido seja muito alta. Neste trabalho, primeiro avaliamos o problema realizando experimentos de radiação. Os dados dos experimentos nos dão uma taxa de erro realista de dispositivos PAD. Além disso, avaliamos um conjunto representativo de algoritmos que derivam entendimentos gerais de algoritmos paralel
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Qi, Hucheng. "The accelerated hardening of wood-cement composites with carbon dioxide injection : mechanisms and applications." 2005. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=232747&T=F.

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Books on the topic "Hardening accelerator"

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Qi, Hucheng. The accelerated hardening of wood-cement composites with carbon dioxide injection: Mechanisms and applications. 2005.

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Book chapters on the topic "Hardening accelerator"

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Jacquemot, François, Patrick Rougeau, and Nicolas Flahault. "Acceleration of Hardening Kinetics of SCC." In Design, Production and Placement of Self-Consolidating Concrete. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9664-7_26.

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Kim, J. H., D. H. Leem, F. Barlat, and F. Pierron. "Determination of the Dynamic Strain Hardening Parameters from Acceleration Fields." In Advancement of Optical Methods in Experimental Mechanics, Volume 3. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41600-7_28.

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Mueller-Gritschneder, Daniel, Eric Cheng, Uzair Sharif, et al. "Cross-Layer Resilience Against Soft Errors: Key Insights." In Dependable Embedded Systems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52017-5_11.

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AbstractDriven by technology scaling, integrated systems become more susceptible to various causes of random hardware faults such as radiation-induced soft errors. Such soft errors may cause malfunction of the system due to corruption of data or control flow, which may lead to unacceptable risks for life or property in safety-critical applications. Hence, safety-critical systems deploy protection techniques such as hardening and redundancy at different layers of the system stack (circuit, logic, architecture, OS/schedule, compiler, software, algorithm) to improve resiliency against soft errors. Here, cross-layer resilience techniques aim at finding lower cost solutions by providing accurate estimation of soft error resilience combined with a systematic exploration of protection techniques that work collaboratively across the system stack. This chapter demonstrates how to apply the cross-layer resilience principle on custom processors, fixed-hardware processors, accelerators, and SRAM memories (with a focus on soft errors) and presents key insights obtained.
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Solomahin, Andrey, Larisa Svatovskaya, and Yuriy Kamenev. "The Acceleration of Hardening of Non-autoclaved Foam Concrete with the Mechano-Activated Binder When Constructing in the Arctic and Cold Regions." In Lecture Notes in Civil Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0454-9_51.

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"Hardening accelerators." In Application of Admixtures in Concrete. CRC Press, 1994. http://dx.doi.org/10.1201/9781482271539-10.

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"Hardening accelerators." In Application of Admixtures in Concrete. CRC Press, 1994. http://dx.doi.org/10.1201/9781482271539-10.

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Conference papers on the topic "Hardening accelerator"

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Devine, James D., and Alessandro Floriduz. "Radiation hardening of LED luminaires for accelerator tunnels." In 2016 16th European Conference on Radiation and its Effects on Components and Systems (RADECS). IEEE, 2016. http://dx.doi.org/10.1109/radecs.2016.8093210.

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IYODA, Takeshi, and Tomomi SUGIYAMA. "Investigation of the mechanism on progress for strength and air permeability of concrete using C-S-H hardening accelerator." In Fifth International Conference on Sustainable Construction Materials and Technologies. Coventry University and The University of Wisconsin Milwaukee Centre for By-products Utilization, 2019. http://dx.doi.org/10.18552/2019/idscmt5072.

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Chiba, Shogo, Masatoshi Ito, Shuji Fujii, and Tsutomu Takahashi. "Influence of Shear Rate History on Generation of Shear-Induced Structure of Wormlike Micelles Solutions." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-14014.

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The influence of the history of the shear rate on generation of shear hardening phenomenon of wormlike micelles aqueous solutions was investigated. An accelerated shear flow was applied to change the shear rate history and the influence of an acceleration rate on the time evolution behavior of the shear stress was observed. The relationship between the strain and the shear stress is given by one curve that is independent of a history of shear rate if the shear rate or the accelerated shear coefficient is higher than a certain critical value. A very high shear rate flow can be caused without th
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Айменов, Ж., Zh Aymenov, Б. Сарсенбаев, et al. "ENERGY-SAVING ACCELERATION OF CONCRETE HARDENING BY USING SOLAR ENERGY." In International Scientific and Practical 65th anniversary conference BSTU them. V.G. Shukhov "HIGH-TECH TECHNOLOGIES AND INNOVATIONS (XXIII scientific readings)". Belgorod State Technological University named after V.G. Shukhov, 2019. http://dx.doi.org/10.12737/conferencearticle_5cecedc0ea35d7.47417787.

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Borges, Paulo H. R. "Volume changes, cracking and durability of cement grouts subjected to accelerated wetting and drying cycles." In International RILEM Conference on Volume Changes of Hardening Concrete: Testing and Mitigation. RILEM Publications, 2006. http://dx.doi.org/10.1617/2351580052.026.

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Koga, Hideaki, Hiroyuki Mitsuya, Yuji Toyama, Tatsuhiko Sugiyama, Hiroshi Toshiyoshi, and Gen Hashiguchi. "Development of a Metal-Cantilever Electrostatic Vibration Power Generator Combined With Potassium Ion Electret Technique." In ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/isps-mipe2018-8529.

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We have developed a metal-cantilever electrostatic vibration power generator that has comb-drive electrodes made of a SOI wafer at the tip of the cantilever. The comb-drive electrodes in which built-in electric field is given by potassium ion electret technique acts as an energy transducer from mechanical vibration power to electrical one. The metal cantilever part is formed separately, and assembled with the comb-electrodes on a bakelite plastic. This device showed strong nonlinear frequency responses, in which spring hardening was observed when applied acceleration was small while spring sof
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Dedmon, Steven, Takanori Kato, and James Pilch. "Effect of Temperature on Hardening and Residual Stress Development During Wheel/Rail Rolling Contact." In 2016 Joint Rail Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/jrc2016-5815.

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Brake heating of Railroad Wheels has been known to accelerate shelling, soften the wheel tread and contribute to stress reversal which is a requisite for generating thermal cracks. The effect brake heating has on shakedown has been investigated to a lesser extent, yet even here brake heating can be very important. This research combines field investigations and laboratory work in an attempt to quantify the thermal effects on wheel performance, especially as it relates to sub-surface shelling, microstructural changes and hardening mechanisms. Cyclic tensile tests were conducted at three tempera
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Chang, Shuenn-Yih, and Chiu-Li Huang. "Improved Explicit Method for Time History Analysis." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26117.

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In this paper, an explicit integration method is presented. This method is shown to have the same numerical characteristics as those of the constant average acceleration method for a linear elastic system. This implies that it is unconditionally stable for linear elastic systems. However, it shows very different stability properties for nonlinear systems. In fact, it has conditionally stability for an instantaneous stiffness hardening system while it remains unconditionally stable for an instantaneous stiffness softening system. The conditional stability property is much better than for the Ne
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Zhang, Jingyu, Bingzhong Wang, Jiacheng Zhu, et al. "Simulation of the Delayed Hydride Cracking Velocity for Zirconium Alloy Materials Considering Irradiation Effects." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67410.

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Delayed hydride cracking (DHC) is one of the major factors that affect the safety of zircaloy tubes. In order to effectively simulate DHC, the coupling process including hydrogen diffusion, hydride precipitation, energy flow and mechanical fields should be correctly simulated. In this study, a cohesive model considering irradiation embrittlement and damage accumulation is used to simulate the cracking behavior of zircaloy, and in the finite element model its traction-separation relation is converted to the boundary condition between the traction and normal displacement component in the surface
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San Andre´s, Luis, and Keun Ryu. "On the Nonlinear Dynamics of Rotor-Foil Bearing Systems: Effects of Shaft Acceleration, Mass Imbalance and Bearing Mechanical Energy Dissipation." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45763.

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Gas foil bearing (GFB) technology has reached great maturity as per engineered design and construction and its system integration into rotating machinery. Empirical research has gone beyond showing a few instances of acceptable mechanical performance, to demonstrate GFB multiple-cycle repeatable performance in spite of persistent large amplitude sub synchronous whirl motions. A GFB is a forgiving mechanical element whose engineered resilient underspring structure contains and ameliorates large rotor excursions. Analyses, however, fail to distinguish the hardening stiffness from the FB underspr
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Reports on the topic "Hardening accelerator"

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Rapid-1 Hardening Accelerator Concrete Admixture. Purdue University, 2007. http://dx.doi.org/10.5703/1288284315749.

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