Results 1 to 10 of about 9,383 (216)

Effect of Naphthalene-Based Superplasticizer and Polycarboxylic Acid Superplasticizer on the Properties of Sulfoaluminate Cement [PDF]

open access: yesMaterials, 2021
In order to study what the effect of superplasticizers on the setting time, fluidity and compressive strength of calcium sulfoaluminate cement (CSA) a naphthalene-based superplasticizer (BNS) and a polycarboxylic acid superplasticizer (PC) were selected to interact with CSA pastes and ye’elimite, respectively. X-ray diffraction (XRD), thermogravimetric
Yonghua Wu, Mengdie Niu
exaly   +3 more sources

Dispersion of Carbon Nanotubes with Different Types of Superplasticizer as a Dispersing Agent for Self-Sensing Cementitious Materials

open access: yesApplied Sciences (Switzerland), 2021
Due to their exceptional electrical properties, carbon nanotubes (CNTs) can be applied as conductive fillers to develop self-sensing cement-based matrices.
R D Toledo Filho   +2 more
exaly   +3 more sources

Synergistic effects and mechanisms of basalt fibers and polycarboxylate superplasticizer on cement-fly ash stabilized aeolian sand and crushed stones. [PDF]

open access: yesPLoS ONE
To enhance the mechanical and durability properties of cement-fly ash stabilized aeolian sand and crushed stones, the synergistic optimization effects of basalt fibers and polycarboxylate superplasticizer were investigated.
Jie Liu   +6 more
doaj   +2 more sources

Effect of polycarboxylate superplasticizer on fluidity and rheology of cement slurry containing silica fume [PDF]

open access: yesE3S Web of Conferences, 2021
The effect of polycarboxylate superplasticizer on the fluidity and rheology of cement - silica fume - water paste was investigated. The changes of dispersion degree, yield stress and plastic viscosity of paste with different superplasticizer content were
Meng Qingen   +3 more
doaj   +1 more source

Effect of Ammonium Ion Content on Superplasticizer Dosage and Adsorption Property

open access: yesKuangchan zonghe liyong, 2022
Effects of ammonium ion content in fly ash on the fluidity of fresh concrete, the superplasticizer dosage in concrete and the properties of concrete were studied, and the effect of adsorption on superplasticizer was analyzed by TOC test.
Xiaoyang Deng   +3 more
doaj   +1 more source

The Optimal Dose of the Super Plasticizer (B-V-F) With the Optimal Replacement Ratio of the Rice Husk Ash (RHA) and With Ordinary Portland cement [PDF]

open access: yesJES: Journal of Engineering Sciences, 2022
This study aims to an optimal dose of the superplasticizer (B-V-F) with the optimal replacement ratio of the Rice Husk Ash (RHA) and with ordinary Portland cement (OPC) and compares their results.
Maryam Shaker   +2 more
doaj   +1 more source

ANALYSIS OF COMPRESSIVE STRENGTH PAVING BLOCKS WITH THE ADDITION OF COCONUT FIBER AND SUPERPLASTICIZER LIQUID

open access: yesJournal Innovation of Civil Engineering, 2023
This research was carried out to determine how strong the compressive strength of the Paving Block is to withstand the load above it, by adding coconut fiber and superplasticizer liquid to reduce the impact of environmental pollution.
Fairus Zabadi, Taurina J. Irwanto
doaj   +1 more source

Model compounds-based study on adsorption and dispersion properties of lignin-based superplasticizer

open access: yesScience Progress, 2021
The chemical modifications of lignin-based superplasticizers have attracted extensive attentions during recent years. The comprehending of the structure-activity relationship of lignin-based superplasticizer is important to promote the modification and ...
Shuangping Ma   +3 more
doaj   +1 more source

Influence of superplasticizer on workability and strength of ambient cured alkali activated mortar

open access: yesCleaner Materials, 2022
Alkali activated materials contain aluminosilicates, which can be used for building with a low environmental impact by repurposing waste resulting in cost-effective construction.
Elsa Paul
doaj   +1 more source

On the “Thixotropic” Behavior of Fresh Cement Pastes

open access: yesEng, 2022
Thixotropic behavior describes a time-dependent rheological behavior characterized by reversible changes. Fresh cementitious materials often require thixotropic behavior to ensure sufficient workability and proper casting without vibration.
Youssef El Bitouri, Nathalie Azéma
doaj   +1 more source

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