Modern Environmental Materials, Pollution Prevention, Sustainability, and Green World

Khudhair, Mohammed Hussein Rafeq; Hilal, Bouchra El; Elyoubi, M.S.; Elharfi, Ahmed

doi:10.1007/978-3-319-58538-3_117-1

Cited by 3 publications

(17 citation statements)

References 54 publications

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“…The Yemen's country contains considerable amounts of mineral admixtures such as the natural pozzolan (PN); of volcanic origin from the DifanAmran deposit north of Sana'a in Yemen, [1,2] and the limestone fillers (F.Lime), which is found in several regions of Yemen, namely , Hadramaout, El Maharah, Sana'a, Amran, Etc . [3,4].…”

Section: Introductionmentioning

confidence: 99%

“…The valorization of these mineral admixtures by incorporation them as an additive in fabrication of cement and various types of concretes has both benefits economic and environmental; to reduce the energy consumption and raw materials used during the manufacture of clinker or cement on one hand and to minimize the greenhouse gas emissions into the atmosphere on the other hand [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

“…These admixtures by their fineness and their reactivity in presence of cement lead to significant changes in physical and mechanical properties of mortars or concrete in fresh cement paste and hardened state [8][9][10][11][12]. The presence of inorganic or organic admixtures (F.Lime, PN or superplasticizers) in cement or mortar (concrete) matrix modifies the structure of granular skeleton (granular effect) and the friction between the solid components in liquid phase [13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

“…The presence of inorganic or organic admixtures (F.Lime, PN or superplasticizers) in cement or mortar (concrete) matrix modifies the structure of granular skeleton (granular effect) and the friction between the solid components in liquid phase [13][14][15][16]. In the same way, during the setting and hardening [17][18][19][20], the additions particles interact in cement hydration process while modifying the structure of the hydrated products and for some may react chemically (effects physical-chemical and microstructure) at cementitious environments, in order to form of a new hydrated products which have an additional binding character (improvement of physical properties and mechanical performances).…”

Section: Introductionmentioning

confidence: 99%

“…The interaction between the organic and inorganic admixtures makes it possible to increase the hydration rate of mortars or concretes while modifying the W/C ratio and to improve the mechanical performance [2,[21][22][23]. This improvement finally influences the mechanical of compressive strength.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Characterization and formulation of a new eco-friendly hydraulic binder based on combination of inorganic and organic admixtures

Khudhair¹,

Youbi²,

Essamri³

et al. 2018

MATEC Web Conf.

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Abstract. This work aims to valorize a mineral and natural resources such as the Limestone Fillers (F-Lime) and the Natural Pozzolan (PN) by incorporating them into the formulation matrix of cement or concrete. In order to minimize the CO 2 emissions into the atmosphere, to reduce the energy and raw materials consumption and as well as, to improve the physical and mechanical properties in fresh cement paste and of mortar or concrete in the hardened state. In this present manuscript, we substituted the clinker by the combination between the F-Lime and NP at 40% by weight of cement with steps of 5% with the admixture of superplasticizers. The influences of the incorporation of these additions on physical and mechanical properties of mortar or concrete in the fresh cement paste and hardened state were evaluated. The obtained results by different formulations elaborated to show that the replacement a part of clinker by the mixing of F-Lime and PN has produced a new hydraulic binder eco-friendly and durable with improved physicochemical, physical and mechanical properties. These results show that we have succeeded to manufacture, characteristic and formulated of new ecofriendly hydraulic binder and sustainable with improved physical, chemical, and mechanical properties while minimizing greenhouse gas emissions on one hand and the reducing the energy raw materials consumption on the other hand.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Characterization and formulation of a new eco-friendly hydraulic binder based on combination of inorganic and organic admixtures

Khudhair¹,

Youbi²,

Essamri³

et al. 2018

MATEC Web Conf.

View full text Add to dashboard Cite

show abstract

Characterization and formulation of a new eco-friendly hydraulic binder based on combination of inorganic and organic admixtures

et al. 2018

View full text Add to dashboard Cite

This work aims to valorize a mineral and natural resources such as the Limestone Fillers (F-Lime) and the Natural Pozzolan (PN) by incorporating them into the formulation matrix of cement or concrete. In order to minimize the CO2 emissions into the atmosphere, to reduce the energy and raw materials consumption and as well as, to improve the physical and mechanical properties in fresh cement paste and of mortar or concrete in the hardened state. In this present manuscript, we substituted the clinker by the combination between the F-Lime and NP at 40% by weight of cement with steps of 5% with the admixture of superplasticizers. The influences of the incorporation of these additions on physical and mechanical properties of mortar or concrete in the fresh cement paste and hardened state were evaluated. The obtained results by different formulations elaborated to show that the replacement a part of clinker by the mixing of F-Lime and PN has produced a new hydraulic binder eco-friendly and durable with improved physicochemical, physical and mechanical properties. These results show that we have succeeded to manufacture, characteristic and formulated of new ecofriendly hydraulic binder and sustainable with improved physical, chemical, and mechanical properties while minimizing greenhouse gas emissions on one hand and the reducing the energy raw materials consumption on the other hand.

show abstract

Study of the influence of water reducing and setting retarder admixtures of polycarboxylate “s uperplasticizers ” on physical and mechanical properties of mortar and concrete

Khudair¹,

Elyoubi²,

Elharfi³

2018

jmes

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Modern Environmental Materials, Pollution Prevention, Sustainability, and Green World

Cited by 3 publications

References 54 publications

Characterization and formulation of a new eco-friendly hydraulic binder based on combination of inorganic and organic admixtures

Characterization and formulation of a new eco-friendly hydraulic binder based on combination of inorganic and organic admixtures

Characterization and formulation of a new eco-friendly hydraulic binder based on combination of inorganic and organic admixtures

Study of the influence of water reducing and setting retarder admixtures of polycarboxylate “s uperplasticizers ” on physical and mechanical properties of mortar and concrete

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