Results 31 to 40 of about 21,203 (255)
Vacuum mixing technology to improve the mechanical properties of ultra-high performance concrete [PDF]
, 2015 Ultra-high performance concrete is an important evolution in concrete technology, enabled by the combination of a good particle packing density, a suitable mixing procedure and compatible binders and admixtures.
De Schutter, Geert, Dils, Jeroen
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Performance and Compatibility of Phosphonate-Based Superplasticizers for Concrete
Buildings, 2017 The paper deals with the effectiveness of an innovative phosphonate-based superplasticizer (PNH) for ready mixed concrete. Concrete specimens were manufactured by considering a constant initial workability, equal to 220 mm slump at the end of the mixing ...
Luigi Coppola +3 more
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Rubber/crete: mechanical properties of scrap to reuse tire-derived rubber in concrete. A review [PDF]
, 2019 The recycling of waste tires is of paramount importance for the environment protection and for economic reasons too. The amount of scrapped tires in USA reached 550 million tires per year and it is still raising.
Marco Valente, SIBAI, ABBAS
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Superplasticizer and hydrated lime for high-strength concrete
Teknika, 2023 According to SNI03-6468-2000, high-strength concrete is concrete with a minimum compressive strength of 41.4 MPa. The high strength concrete is useful in precast and prestressed concrete.
Kosim Kosim, Julian Fikri
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A PROPOSAL FOR RATIONALIZATION OF THE SUPERPLASTICIZATION PROCESS OF SUPERPLASTICIZED CONCRETE
Doboku Gakkai Ronbunshu, 1986 This study concerns the development of an efficient superplasticizing apparatus capable of simultaneously measuring, introducing, and mixing superplasticizer with the aims of rationalizing and systematizing the superplasticization process which poses the greatest obstacle to the wide use of superplasticized concrete.
Yukio KAMIYAMA +2 more
openaire +2 more sources
矿业科学学报, 2021 Coal gasification slag is a kind of solid coal chemical waste which mainly contains aluminosilicate minerals.The gasification slag modified by mechanical grinding and chemical excitation can be used as active admixture of composite Portland cement, which
Zhang Ming +5 more
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Synthesis and characterization on anti-clay polycarboxylate superplasticizer in concrete
Case Studies in Construction MaterialsTo address the issues of low anti-clay performance and high adsorption of ordinary superplasticizer in concrete applications, a novel anti-clay polycarboxylate superplasticizer (Abbreviated as KN-G superplasticizer) was developed.
Hongling Li +3 more
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Life cycle assessment of completely recyclable concrete [PDF]
, 2014 Since the construction sector uses 50% of the Earth. s raw materials and produces 50% of its waste, the development of more durable and sustainable building materials is crucial.
De Belie, Nele +3 more
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Synthesis and Characterization of Quaternary Polymers as Superplasticizer and Assessing Their Effectiveness on Micronized Cement Particles [PDF]
علوم و تکنولوژی پلیمر, 2017 Different macromonomers having polyethylene glycol branches were synthesized via esterification reactions in various conditions. Quaternary polymers were prepared using synthesized macromonomers of polyoxyethylene acrylate and methacrylate with a PEG ...
Mohammad Reza Rostami Daronkola
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Applied Sciences, 2020 Modern engineering practices require that polycarboxylic acid high-performance superplasticizers have good adaptability to various environments and materials, which indicates the importance of producing functional polycarboxylic acid superplasticizers ...
Wuju Xun +6 more
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