Effect of Superplasticizer on Fresh and Hardened Yemen

Effect of Superplasticizer on Fresh and Hardened

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The effects of superplasticizers on physical properties of hardened and fresh concrete have been studied in this paper by using different dosages of superplasticizer. The compressive strength

72 Salahaldein Alsadey: Effect of Superplasticizer on Fresh and Hardened Properties of Concrete 3. Experimental Investigation 3.1. Materials Used and Properties

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The Effect of Superplasticizers on Properties of Concrete

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were some of the tests carried on fresh and hardened concrete. The three admixtures had quite distinct and different effects, but they all induced a compaction factor of more than 0.84 and

The effect of superplasticizer (SP) on properties of fresh and hardened concrete has studied; the properties of concrete inspected are compressive strength and slump test, hence, an experimental

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Influence of superplasticizers on the workability

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Observing the effect of the superplasticizer, as it keeps the particles sterically at a distance, delays the microstructure development and consequently inhibits early age

The key objective of one research was to evaluate the effects of adding slag on the characteristics of fresh and hardened self-compacting concrete, which discovered that time

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Effects of Superplasticizer on the Properties of

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The experimental tests for fresh and hardened properties of concrete for three mixes of 30 MPa grade are studied and the results are compared with normal concrete. The tests considered for study are, slump test, slump loss, flow table

This research aims to study the effect of superplasticizer, when mixed with local materials, on both fresh and hardened concrete properties to achieve the demands of

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Effect of polycarboxylate ether-based superplasticizer

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Effect of polycarboxylate ether-based superplasticizer dosage on fresh and hardened properties of cement concrete. The cement of grade 43 has been used in this

[1] concluded from the result gotten from the fresh and hardened properties of effect of superplasticizer at 0.25, 0.30 and 0.35% with 10% fly ash as a mineral admixture in replacement of cement, that increase of the superplasticizer dose lead to marginal reduction in unit weight but addition with gaining self-compatibility of the mixes.

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Does superplasticizer dose affect concrete performance?
The past researchers have been underscored the use of chemical admixtures imparts the desirable properties to concrete in both fresh and hardened state. This paper has been made an attempt to study the influence of superplasticizer dose of 0.6, 0.8, 1.2, 1.8 and 2.5 percentage on performance of concrete.
Is superplasticizer a good concrete admixture?
From the results of the study pr esented of superplasticizer. However, very high dosages of concrete. admixture. However, effectiveness is higher for superplasticizer concrete than normal concrete. Compressive strength is improved by superplasticizer. On desired characteristic strength.
Are superplasticizers bad for the environment?
Notwithstanding their beneficial effects on concrete, superplasticizers can also exert adverse impacts on the environment, including increased leaching of heavy metals from concrete, disruption of aquatic ecosystems, and generation of waste sludge during their manufacturing process.
What is the difference between a normal concrete and a superplasticizer?
When concrete to the site. Ho wever, over d osage of the admixture that as what we expect and desire. Finally, co mparisons are concrete. After 90 minutes, concretes with superplasticizer dosage present zero slump. On the other hand, As a result, retaining the slump of the concrete than the normal concrete.
How long does a superplasticizer last in a concrete mix?
concrete. After 90 minutes, concretes with superplasticizer dosage present zero slump. On the other hand, As a result, retaining the slump of the concrete than the normal concrete. Figure 1. Workability test results for various concrete mixes
Do superplasticizers & retarders increase workability and setting time of concrete?
Superplasticizers (SP) and retarders are important to enhance the workability and setting time of concrete under hot weather, hence, an experimental investigation was conducted to determine the optimum dosage for the admixtures and to study the effect of over dosage of the mentioned admixtures.