Results 21 to 30 of about 15,345 (207)

Compressive Strength and Surface Absorption of High Strength Silica Fume Concrete Under Different Curing Conditions

open access: yesThe Journal of Engineering Research, 2007
The effect of curing conditions and silica fume replacement on the compressive strength and the initial surface absorption of high performance concrete is reported. The silica fume contents were 5, 10, 15 and 20%, by weight of cement.
S.K. Al-Oraimi   +3 more
doaj   +1 more source

Changes in the chemical composition of silica fume in the concrete composite system

open access: yesCase Studies in Construction Materials, 2023
The paper demonstrates a spontaneous change in the micro-chemical composition of silica fume micropellets in a composite system of concretes with pozzolans admixtures.
Aleš Frýbort   +3 more
doaj   +1 more source

Effect of Micro- and Nano-Zeolite/Silica Fume on the Mechanical and Durability Characteristics of Reactive Powder Concrete [PDF]

open access: yesJES: Journal of Engineering Sciences
Silica fume is an essential additive in Reactive Powder Concrete (RPC), as it promotes hydration and densifies the microstructure. In this research, silica fume was partially or fully replaceded with zeolite, introducing a novel 1:1 calcinated zeolite ...
Mohammed Arab   +2 more
doaj   +1 more source

Experimental Study on the Performance and Micro-mechanism of Concrete Channel Adhesive Modified by High-activity Silica Fume

open access: yesGuan'gai paishui xuebao, 2023
【Objective】 Soil salinization in the Ningxia Yellow River diversion irrigation area has been found to damage the microstructure and reduce the strength of concrete linings of the channels.
ZHANG Xuanshuo   +3 more
doaj   +1 more source

SELF FIBER COMPACTING CONCRETE (SFCC) PROPERTIES INCORPRATED WITH SILICAFUME AND FIBER [PDF]

open access: yesCivil Engineering Journal, 2020
SFCC is oneof theself-compactingconcrete innovations. With the presence of fiber, this concrete is not only famous for its own compaction process but also has good tensile strength and good ductility when compared to normal Self Compacting ...
Hakas Prayuda   +3 more
doaj   +1 more source

Mechanical Property Modification of Alkali-activated Slag Fly Ash-based Geopolymer and its Concrete Property

open access: yesKuangchan zonghe liyong
This is an article in the field of ceramics and composites. Alkali-activated Slag-fly Ash-based Geopolymer (ASFG) has excellent properties such as high early strength, acid and alkali resistance, but its large brittleness and poor toughness affect its ...
Wei MA, Zhaoyi HE
doaj   +1 more source

Fume Silica Base Grease

open access: yesJournal of Applied Sciences, 2008
In the present investigation, the effect of base oil viscosity and fume silica concentratiou on properties of formulated greases has been investigated. Mixture of greases is formulated using polymethylsiloxane (with viscosity 500, 1000 and 2000 cS at 25°C) as base oil and thickened with 5-13% wt. fume silica.
Hayder A. Abul Ba   +2 more
openaire   +3 more sources

Particle packing of cement and silica fume in pastes using an analytical model

open access: yesRevista IBRACON de Estruturas e Materiais
When added to concrete in appropriate content, silica fume may provide an increase in the mechanical strength of the material due to its high pozzolanic reactivity.
A. HERMANN   +3 more
doaj   +1 more source

Mechanical Behavior of Silica Fume Concrete Filled with Steel Tubular Composite Column

open access: yesAdvances in Materials Science and Engineering, 2021
Recycling or utilization of industrial waste is becoming more popular as people become more environmentally conscious. Silica fume is a by-product of the smelting process in the silicon and ferrosilicon industries.
Maganti Sandeep Kauthsa Sharma   +6 more
doaj   +1 more source

High- and Low-Temperature Properties and Thermal Stability of Silica Fume/SBS Composite-Modified Asphalt Mortar

open access: yesAdvances in Materials Science and Engineering, 2018
Recently, China has started paying more attention to environmental protection, and the efficient utilization of exhaust gases produced by smelting has emerged as a key problem concern. The silica fume collected from the exhaust gases produced by smelting
Cao Kai   +3 more
doaj   +1 more source

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