Effect of Superplasticizer and NaOH Molarity on Workability America

Effect of Superplasticizer and NaOH Molarity on

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workability, microstructure and compressive strength of self compacting geopolymer concrete (SCGC). SCGC is an improved way of concreting execution that does not require compaction and is made by complete elimination of ordinary Portland cement content. The parameters studied

Results showed that the workability and compressive strength improved with the increase in superplasticizer dosage. An increase in strength and a decrease in workability of these

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Effect of Superplasticizer and NaOH Molarity on Workability

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The research investigates the effects of super plasticizer and molarity of sodium hydroxide alkaline solution on the workability, microstructure and compressive strength of self

This paper critically reviews the effect of various parameters like binding materials, molarity, superplasticizer, fibres and curing temperature on the workability and mechanical

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Effect of different superplasticizers on the mechanism,

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Zhang et al. [33] found that melamine sulfonate, naphthalene-based, LS, polyether-type, and polyester-type superplasticizers formed effective admixtures with 0.1 M

In this experimental work, the effects of water alone, naphthalene-based SP alone and combined water and SP on the compressive strength and microstructure of POFA-EGC

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An Effect of NaOH Molarity on Fly Ash—Metakaolin-Based

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The water content of 25% and superplasticizer dosage of 3% by mass of the binder were kept constant and specimens were cured at ambient temperature. Increase in

Article on Effect of Superplasticizer and NaOH Molarity on Workability, Compressive Strength and Microstructure Properties of Self-Compacting Geopolymer

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Effects of Superplasticizer and Water–Binder Ratio

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The effects of liquid activator characteristics, such as the molar concentration of NaOH solution and the ratio NaOH/Na 2 SiO 3, on the workability, compressive strength, and some other mechanical properties of

This paper investigates the effect of the five different superplasticizer (SPs), Melamine sulfonate (M), naphthalene-based (N), lignosulfonate (L), polyether-type (P-Ⅰ), and

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Does molarity of NaOH increase the workability of geopolymer concrete?
The workability results of slump, T 50 cm ,V-funnel, L-Box and J-Ring are presented in Table IV and the results showed that as the molarity of NaOH solution increases the workability of geopolymer concrete decreases. The compressive strength result for 1st, 3rd, 7thand 28thdays of testing are shown in Fig. 6.
Does molarity increase the strength of a concrete sample?
Results showed that the workability and compressive strength improved with the increase in superplasticizer dosage. An increase in strength and a decrease in workability of these concrete samples were observed with the increase in molarity of NaOH solution from 8M to 14M.
How does NaOH molarity affect slump flow?
The water content of 25% and superplasticizer dosage of 3% by mass of the binder were kept constant and specimens were cured at ambient temperature. Increase in NaOH molarity from 8 to 12 M decreases the slump flow from 690 to 670 mm, and this is due to increased NaOH content, which increases viscosity and thereby reducing fluidity of concrete.
Does superplasticizer affect rheological parameters?
A quadratic function was used to fit the relationship between the consistency coefficient, rheological index, and dosage of superplasticizer, where a significant correlation (R2 > 0.9) was observed. Notably, the superplasticizer had the opposite effect on the rheological parameters when the dosage exceeded 0.8%.
Do different superplasticizers affect the workability and microstructure of bags?
The effects of different superplasticizers on the workability and microstructure of BAGs were studied for the first time. The dosages of naphthalene sulfonate (NSS), polycarboxylate (PCS), and sulfonated melamine superplasticizer (SMS) were 0–1.2%. The main conclusions are as follows:
Do superplasticizers affect the workability and microstructure of slurries?
Moreover, this study analyzed the influence of superplasticizers on the workability and microstructure of slurries through laboratory tests. In actual grouting engineering, the grouting process, parameters, and hydrogeological conditions should be considered.