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Статті в журналах з теми "Air entrainment in cement and cement mortars"
Miera, Patrycja. "Air Content in Fresh Air-Entraining Cement Mortars." IOP Conference Series: Materials Science and Engineering 1203, no. 3 (November 1, 2021): 032016. http://dx.doi.org/10.1088/1757-899x/1203/3/032016.
Повний текст джерелаTian, Ye, Zong Jin Li, Hong Yan Ma, Xian Yu Jin, and Nan Guo Jin. "Physical and Chemical Influence of Polyacrylate Latex on Cement Mortars." Advanced Materials Research 261-263 (May 2011): 807–11. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.807.
Повний текст джерелаRiyazi, Siamak, John T. Kevern, and Matt Mulheron. "Super absorbent polymers (SAPs) as physical air entrainment in cement mortars." Construction and Building Materials 147 (August 2017): 669–76. http://dx.doi.org/10.1016/j.conbuildmat.2017.05.001.
Повний текст джерелаTebbal, Nadia, Zine El Abidine Rahmouni, and Lamis Rabiaa Chadi. "Study of the Influence of an Air-Entraining Agent on the Rheology of Motars." MATEC Web of Conferences 149 (2018): 01054. http://dx.doi.org/10.1051/matecconf/201814901054.
Повний текст джерелаSun, Zhen Ping, Dan Mei Ye, Le Feng Fu, Bo Cun Zheng, Zhong Jun Feng, and Ming Chen. "Properties of Polyacrylic Ester Latex Modified Cement Mortar." Advanced Materials Research 687 (April 2013): 166–74. http://dx.doi.org/10.4028/www.scientific.net/amr.687.166.
Повний текст джерелаZhao, Ruohong, Yubin Weng, Christopher Tuan, and An Xu. "The Influence of Water/Cement Ratio and Air Entrainment on the Electric Resistivity of Ionically Conductive Mortar." Materials 12, no. 7 (April 5, 2019): 1125. http://dx.doi.org/10.3390/ma12071125.
Повний текст джерелаWang, Rui, Lei Li, Wei Wang, Hong Song Wang, Yong Jing Jiang, and Da Pu Shen. "Influences and Properties of Mortar Modified by Waterborne Polyurethane Latexes." Advanced Materials Research 1129 (November 2015): 345–52. http://dx.doi.org/10.4028/www.scientific.net/amr.1129.345.
Повний текст джерелаZuo, Shenghao, Qiang Yuan, Tingjie Huang, Zan Wang, Kai Zhang, and Jing Liu. "Rheology and air entrainment of fresh Portland cement mortars in simulated low air pressure environments." Cement and Concrete Composites 135 (January 2023): 104848. http://dx.doi.org/10.1016/j.cemconcomp.2022.104848.
Повний текст джерелаŁazniewska-Piekarczyk, Beata, and Janusz Szwabowski. "THE INFLUENCE OF THE TYPE OF ANTI-FOAMING ADMIXTURE AND SUPERPLASTICIZER ON THE PROPERTIES OF SELF-COMPACTING MORTAR AND CONCRETE." Journal of Civil Engineering and Management 18, no. 3 (June 29, 2012): 408–15. http://dx.doi.org/10.3846/13923730.2012.698908.
Повний текст джерелаChen, Xin, Xu Liu, Bo Tian, Yong Ge, and Lihui Li. "Effect of Low Atmospheric Pressure on Air Entrainment in Cement-Based Materials: An On-Site Experimental Study at Different Elevations." Materials 13, no. 18 (September 8, 2020): 3975. http://dx.doi.org/10.3390/ma13183975.
Повний текст джерелаДисертації з теми "Air entrainment in cement and cement mortars"
Kmack, Richard Matthew. "Characterization of air voids in fresh cement paste through ultrasonic nondestructive testing." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24794.
Повний текст джерелаCommittee Chair: Jacobs, Laurence; Committee Co-Chair: Kurtis, Kimberly; Committee Member: DesRoches, Reginald.
Lima, Marco Ant?nio Batista de. "Formula??o e caracteriza??o de pastas espumadas por incorpora??o de ar e estabilizantes minerais." Universidade Federal do Rio Grande do Norte, 2011. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12969.
Повний текст джерелаCementing operations may occur at various stages of the life cycle of an oil well since its construction until its definitive abandonment. There are some situations in which the interest zones are depleted or have low fracture pressure. In such cases, the adoption of lowdensity cement slurries is an efficient solution. To this end, there are basically three ways to reduce the density of cement slurries: using microspheres, water extending additives or foamed cement. The objective of this study is to formulate, to study and to characterize lowdensity foamed cement, using an air entrainment surfactant with vermiculite or diatomite as water extenders and stabilizers. The methodology consists on preparation and evaluation of the slurries under the American Petroleum Institute (API) and the Brazilian Association of Technical Standards (ABNT) guidelines. Based on calculated densities between 13 and 15 ppg (1.559 and 1.799 g/cm3), the slurries were prepared with fixed surfactant concentration, varying the concentrations of vermiculite and diatomite and were compared with the base slurries. The results of plastic viscosity, yield point and gel strength and the compressive strength for 24 h showed that the slurries presented suitable rheology and mechanical strength for cementing operations in oil wells, and had their densities reduced between 8.40 and 11.89 ppg (1.007 and 1.426 g/cm3). The conclusion is that is possible, under atmospheric conditions, to obtain light weighted foamed cement slurries with satisfactory rheological and mechanical properties by means of air entrainment and mineral additions with extenders and stabilizers effects. The slurries have great potential for cementing operations; applicability in deep wells, in low fracture gradient formations and in depleted zones and bring cost savings by reducing the cementing consumption
As opera??es de cimenta??o podem ocorrer em diversas etapas do ciclo de vida de um po?o, desde a sua constru??o at? seu abandono definitivo. H? situa??es em que as zonas de interesse se apresentam depletadas ou com baixa press?o de fratura. Nesses casos, a ado??o de pastas cimentantes de baixa densidade constitui solu??o eficiente. Para tanto, h? basicamente tr?s maneiras de reduzir a densidade de pastas de cimento: usando microesferas, aditivos estendedores de ?gua ou pastas espumadas. O objetivo deste trabalho ? formular, estudar e caracterizar pastas cimentantes espumadas de baixa densidade, utilizando um surfactante incorporador de ar juntamente com adi??es de vermiculita ou diatomita como estendedores e estabilizantes. A metodologia do trabalho consiste na prepara??o e avalia??o das pastas por meio de procedimentos adotados pelo American Petroleum Institute (API) e pela Associa??o Brasileira de Normas T?cnicas (ABNT). Partindo de densidades calculadas entre 13 e 15 lb/gal (1,559 e 1,799 g/cm3), as pastas foram preparadas com dosagem fixa do surfactante, variando as concentra??es de vermiculita e diatomita e foram comparadas com pastas base. Os resultados dos ensaios que determinam viscosidade pl?stica, limite de escoamento e for?as g?is, bem como os de resist?ncia ? compress?o para tempos de 24 h mostraram que as pastas apresentaram reologia e resist?ncia mec?nica adequadas para opera??es de cimenta??o em po?os de petr?leo, al?m de terem suas densidades reduzidas entre 8,40 e 11,89 lb/gal (1,007 e 1,426 g/cm3). Conclui-se que ? poss?vel, sob condi??es atmosf?ricas, obter pastas cimentantes espumadas de baixa densidade com propriedades reol?gicas e mec?nicas satisfat?rias, por meio de incorpora??o de ar e adi??es minerais com efeitos estendedores e estabilizantes. As pastas possuem grande potencial para opera??es de cimenta??o, t?m aplicabilidade em po?os profundos, forma??es de baixo gradiente de fratura e zonas depletadas e trazem redu??es de custo pela diminui??o do consumo de cimento
Частини книг з теми "Air entrainment in cement and cement mortars"
Smith, A. S., and R. Givens. "A review of research and experimental findings on the effects of hydrated (air) lime addition to cement-based masonry mortars on the properties of the mortars and associated masonry." In Brick and Block Masonry, 1897–904. CRC Press, 2016. http://dx.doi.org/10.1201/b21889-236.
Повний текст джерелаТези доповідей конференцій з теми "Air entrainment in cement and cement mortars"
Baral, Aniruddha, and Jeffery R. Roesler. "Hydration and Air Entrainment Challenges of High-Volume Fly Ash Concrete Pavement." In 12th International Conference on Concrete Pavements. International Society for Concrete Pavements, 2021. http://dx.doi.org/10.33593/d0owmqk5.
Повний текст джерелаVyšvařil, Martin, and Patrik Bayer. "Cellulose ethers as water-retaining agents in natural hydraulic lime mortars." In The 13th international scientific conference “Modern Building Materials, Structures and Techniques”. Vilnius Gediminas Technical University, 2019. http://dx.doi.org/10.3846/mbmst.2019.014.
Повний текст джерелаPaiva, Rayane de Lima Moura, Patrícia Brandão Sousa, Camila de Barros Lima Carreira, Adriana Paiva Souza Martins, and Romildo Dias Toledo Filho. "Physical, Thermal and Microstructural Characterization of Earth Mortars Stabilized with Incorporating Air Additive." In 4th International Conference on Bio-Based Building Materials. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.211.
Повний текст джерелаPesce, Cecilia, Giovanni Pesce, Marco Molinari, and Alan Richardson. "Customising Microstructural and Mineralogical Characteristics of Hydrated Lime Using Biopolymers." In 4th International Conference on Bio-Based Building Materials. Switzerland: Trans Tech Publications Ltd, 2022. http://dx.doi.org/10.4028/www.scientific.net/cta.1.353.
Повний текст джерелаKowalska, Danuta, Paweł Iwanowski, and Agata Kowalewska. "Determination of Parametres of the Air-Void System in Airfield Pavement Concrete Using Computed Tomography." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.108.
Повний текст джерелаЗвіти організацій з теми "Air entrainment in cement and cement mortars"
Baral, Aniruddha, Jeffrey Roesler, M. Ley, Shinhyu Kang, Loren Emerson, Zane Lloyd, Braden Boyd, and Marllon Cook. High-volume Fly Ash Concrete for Pavements Findings: Volume 1. Illinois Center for Transportation, September 2021. http://dx.doi.org/10.36501/0197-9191/21-030.
Повний текст джерелаBaral, Aniruddha, Jeffery Roesler, and Junryu Fu. Early-age Properties of High-volume Fly Ash Concrete Mixes for Pavement: Volume 2. Illinois Center for Transportation, September 2021. http://dx.doi.org/10.36501/0197-9191/21-031.
Повний текст джерела