Results 31 to 40 of about 15,345 (207)

Performance of geopolymer concrete activated by sodium silicate and silica fume activator

open access: yesCase Studies in Construction Materials, 2022
This study examined the properties (strength, workability and crack) of geopolymer concrete activated by sodium silicate and silica fume activator.
Xinyan Wu, Yanghai Shen, Liang Hu
doaj   +1 more source

The Influence of Silica Fume on The Strength and Permeability Characteristics of Pervious Concrete

open access: yesSir Syed University Research Journal of Engineering and Technology
Pervious concrete is recognized for its significant permeability and ecological advantages; yet, its strength and durability are constrained, limiting its structural uses. This research examines the effects of different silica fume concentrations on the
Ruhal Pervez Memon   +4 more
doaj   +1 more source

Effect of Silica Fume Addition on the Behavior of Silty-Clayey Soils

open access: yesJournal of Engineering and Sustainable Development, 2012
The aim of this research is to investigate the effect of silica fume addition on the behavior of soil subgrades which has inadequate natural stability.
Adel A. Al-Azzawi   +2 more
doaj  

Use of polypropylene fiber and silica fume modified concrete as a repair material

open access: yesMATEC Web of Conferences, 2018
Polypropylene fiber and silica fume were used to get high impermeability and cracking resistance concrete as a repair material. Results showed just incorporating fiber (without silica fume) had no obvious improvement on strength and impermeability of ...
Liu Jing   +4 more
doaj   +1 more source

Experimental Study of the Influence of Silica Fume on the Properties of Mortar

open access: yesRenmin Zhujiang, 2022
To study the effects of silica fume on the mechanical properties and drying shrinkage properties of cement mortar,we investigated the effects of silica fume content on the fluidity,compressive strength,flexural strength,and drying shrinkage rate of ...
LIANG Rongchuang   +4 more
doaj  

Influence of Mineral Powder and Fiber on Work and Mechanical Properties of Reactive Powder Concrete

open access: yesKuangchan zonghe liyong, 2023
To study the basic characteristics of silica fume and iron tailings modified concrete, silica fume and iron tailings powder were used to replace cement and river sand at a ratio of 0% to 20%. The optimal replacement ratio of silica fume and iron tailings
Hui Yang
doaj   +1 more source

Effect of silica fume on durability of concrete composites containing fly ash

open access: yesScience and Engineering of Composite Materials, 2013
In this paper, the effect of silica fume on the workability and durability of concrete composites containing fly ash, including water impermeability, dry shrinkage property, carbonation resistance and freeze-thaw resistance, are presented. Four different
Zhang Peng, Li Qing-fu
doaj   +1 more source

Research on Mechanical Properties of Silica Fume Cementitious Materials Excited by Wet Grinding Methods

open access: yesBuildings
Silica fume (SF) has been widely used in engineering; however, its densification during transportation reduces its original pozzolanic activity. This paper investigates the effects of wet grinding and chemical activation on the mechanical properties and ...
Canhao Zhao   +3 more
doaj   +1 more source

Experimental Study on the Characteristics of Polymer Concrete With Epoxy Resin [PDF]

open access: yesBulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, 2008
In the paper are presented the results of some experimental researches concerning polymer mortars and concretes realized of epoxy resin, silica fume and crushed aggregates. The mechanical characteristics of hardened concrete were determined.
Maria Harja Ioniţă   +1 more
doaj  

Geotechnical Properties of Expansive Soil Treated With Silica Fume [PDF]

open access: yesEngineering and Technology Journal, 2013
Problematic soils such as expansive soil are those clay soils which exhibited significant volume changes as results of soil moisture variation, when a dry mass of clay is allowed to absorb water, the effective size of particles increases and therefore ...
Zeena Waleed S. Abbawi
doaj   +1 more source

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