Results 291 to 300 of about 81,022 (343)

The Effect of Modification with Nano-Alumina, Nano-Silica, and Polypropylene Fiber on the Frost Resistance of Concrete

Qinglong Zhang, Chunqing Li, Guoyu Li, Dun Chen, Xuyang Wu, Yapeng Wang, Yuncheng Mao, Kun Zhang   +7 more
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A Novel Fracturing Fluid Based on Functionally Modified Nano-Silica-Enhanced Hydroxypropyl Guar Gel. [PDF]

Gels
Huang F, Bai Y, Gu X, Kang S, Yang Y, Wang K.   +5 more
europepmc   +1 more source

Maximizing Nano-Silica Efficiency in Laboratory-Simulated Recycled Concrete Aggregate via Prior Accelerated Carbonation: An Effective Strategy to Up-Cycle Construction Wastes. [PDF]

Molecules
Lu CG, Zhang XC, Chen XF.
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Enhanced fresh and hardened properties of foamed concrete modified with nano-silica. [PDF]

Heliyon
Othuman Mydin MA, Jagadesh P, Bahrami A, Dulaimi A, Dulaimi A, Onuralp Özkılıç Y, Omar R.   +6 more
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Synergistic effect of nano silica and metakaolin on mechanical and microstructural properties of concrete: An approach of response surface methodology

Namitha Raveendran, K Vasugi
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Effect of nano-silica in concrete; a review

Construction and Building Materials, 2021
Abstract Concrete has a substantial impact on the environment as the cement, whose production involves a large amount of CO2, is its main ingredient. Enhancing the durability parameters of the concrete structures can reduce their impact on the environment.
Dheeresh Kumar Nayak, Bhaskar Sangoju
exaly   +2 more sources

Properties of concrete incorporating nano-silica

Construction and Building Materials, 2012
Abstract This study investigated the effect of colloidal nano-silica on concrete incorporating single (ordinary cement) and binary (ordinary cement + Class F fly ash) binders. In addition to the mechanical properties, the experimental program included tests for adiabatic temperature, rapid chloride ion permeability, mercury intrusion porosimetry ...
Aly Said, Ying Tian
exaly   +3 more sources

EFFECT OF NANO SILICA ON PROPERTIES OF CONCRETE

Full Text Book of Minar Congress 6, 2022
This study presents experimentally the collective consequence of using nano silica (NS) on mechanical properties of tough concrete. NS is cast-off as partial cement substitution by 1,1.5,2 wt% . Mechanical properties of hardened concrete are assessed expending different mixtures between NS. Important enhancement in the mechanical properties of concrete
Hanaa Shihab HAMADI, Rafid Saeed ATEA, Shaymaa Mahmood BADR   +2 more
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The reactivity of nano silica with calcium hydroxide

Journal of Biomedical Materials Research Part B: Applied Biomaterials, 2011
AbstractThe reactivity of nano silica (SiO2) with calcium hydroxide (Ca(OH)2) was evaluated and characterized in this study. Ca(OH)2 activated nano SiO2 takes place through an exothermic process, which is mainly attributed to the breakdown of SiOSi bonds.
Qing, Lin, Zhongzi, Xu, Xianghui, Lan, Yaru, Ni, Chunhua, Lu   +4 more
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Synthesis of nano silica particle from silica sand and characterization of nano silica based R134a refrigerant

Materials Today: Proceedings, 2021
Abstract This paper presents the synthesis and characterization of a mixture of different percentages of nano-silica with R134a as a refrigerant material. This work shows ways for enhancing the thermal performance of the vapor compression process and the effect of the suspended silica nanoparticle in the R134a refrigerant.
Md. Wakil Ur Rahman, Mustafizur Rahman, M.R.I. Sarker, Fazlur Rashid, Md. Masum Al Mahmud   +4 more
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