Results 171 to 180 of about 4,819 (215)

Predicting the mechanical performance of industrial waste incorporated sustainable concrete using hybrid machine learning modeling and parametric analyses. [PDF]

Sci Rep
Uddin MA, Sobuz MHR, Kabbo MKI, Tilak MKC, Lal R, Reza MS, Alsharari F, AbdelMongy M, Abdullah M.   +8 more
europepmc   +1 more source

The Effects of Biomass Combustion Ash and Lignin on the Properties of Cement Mortars and Their Environmental Impact. [PDF]

Materials (Basel)
Ryłko I, Bobak Ł, Telega P, Białowiec A.   +3 more
europepmc   +1 more source

The synthesis and adsorption-dispersion properties of PPEGMA-PVPA copolymers in cement paste. [PDF]

RSC Adv
Li S, Zhou D, Shu X, Ran Q, Yang Y.
europepmc   +1 more source

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TOWARDS TAILORED SUPERPLASTICIZERS

2005
Superplasticizers (SP) of the “new generation” are essentially polycarboxylate polymers. Polymers of this family can be produced with almost infinite variations in their chemical structure, which allow the fulfilment of specific (tailored) properties. These polymers are more efficient for water reduction and for keeping concrete workability for longer ...
Y F Houst, P Bowen, F Perche
openaire   +1 more source

Superplasticized Microcement Grouts

SP-173: Fifth CANMET/ACI International Conference on Superplasticizers and Other Chemical Admixtures in Concrete, 1997
This paper examines the rheological and mechanical behavior of superplasticized microcement grouts to be used for the consolidation of porous systems (e.g. sand deposits, masonry walls of historical buildings). Five micro cements were used: they differed in chemical composition of the clinker, type of mineral addition (natural pozzolan or silica fume),
openaire   +1 more source

Polymer Physics and Superplasticizers

SP-262: Ninth ACI International Conference on Superplasticizers and Other Chemical Admixtures, 2009
This paper describes how the increased performance of polycarboxylate superplasticizers is generally explained by the steric hindrance they are intended to develop between cement particles. In fact, direct evidence of this is relatively scarce. The only direct measurements to date have been made by atomic force microscopy on model surfaces of magnesium
openaire   +1 more source

Superplasticizer for High Strength Concrete

MRS Proceedings, 2015
ABSTRACTIn the early 1970s, experts predicted that the practical limit of ready-mixed concrete would be unlikely to exceed a compressive strength greater than 90 MPa [1]. Over the past two decades, the development of high-strength concrete has enabled builders to easily meet and surpass this estimate.
Luis E. Rendon Diaz Miron, Maria E. Lara Magaña   +1 more
openaire   +1 more source

Effect of aliphatic-based superplasticizer on rheological performance of cement paste plasticized by polycarboxylate superplasticizer

Construction and Building Materials, 2020
Abstract Polycarboxylate superplasticizer (PCE) and aliphatic superplasticizer (AS) are widely used water-reducing agent in concrete. In actual practice, the addition of AS has been developed as a common way to alleviate the bleeding and segregation of concrete plasticized by PCE, while the main reason for this phenomenon is not clear.
Baoguo Ma, Huahui Qi, Hongbo Tan, Ying Su, Xiangguo Li, Xiaohai Liu, Chunbao Li, Ting Zhang   +7 more
openaire   +1 more source