Impact of complex additive consisting of continuous basalt fibres and SiO2 microdust on strength and heat resistance properties of autoclaved aerated concrete

Sinica, Marijonas; Sezeman, Georgij; Mikulskis, Donatas; Kligys, Modestas; Cesnauskas, Vytautas

doi:10.1016/j.conbuildmat.2013.10.027

Cited by 24 publications

(15 citation statements)

References 28 publications

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“…According to Canovas et al [35], materials with a high content in SiO2 present a high capacity to yield tobermorita (calcium hydrosilicates (C-S-H)) which when reacting with portlandite (concrete hydration mineral compound) in cementitious materials, provide additional strength [36] strength results are in agreement with this sentence. The slag used in M2, which provide the maximum strength, has a higher percentage of SiO2 than the others.…”

Section: Compressive Strengthsupporting

confidence: 52%

Concrete Properties Comparison When Substituting a 25% Cement with Slag from Different Provenances

Parrón-Rubio¹,

Cintas²,

Pérez-García³

et al. 2018

Preprint

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Concrete consumption greatly exceeds the use of any other material in engineering. This is due to its good properties as construction material and the availability of its components. Nevertheless, the present worldwide construction increase and the high-energy consumption for cement production means a high environmental impact. On the other hand, one of the main problem in iron and steel industry is waste generation and by-products that must be properly processed or reused to promote the environmental sustainability. One of these by-products are blast furnace slag. Cement substitution by slag strategy achieves two goals, raw materials consumption reduction and waste management. In the present work, four different concrete mixtures are evaluated. 25% cement is substituted by different blast furnace slag. Tests are made to evaluate the advantages and drawbacks of each mixture. Depending on the origin, characteristics and treatment of the slag, concrete properties change. Certain mixtures provide proper concrete properties. Stainless steel slag produces a fluent mortar that reduces the water consumption whit a slight mechanical strength loss. Mixture with electric arc slag furnace properties are better to the reference concrete (without slag) when slag is treated similarly to the cement.

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Section: Compressive Strengthsupporting

confidence: 52%

Concrete Properties Comparison When Substituting a 25% Cement with Slag from Different Provenances

Parrón-Rubio¹,

Cintas²,

Pérez-García³

et al. 2018

Preprint

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show abstract

“…Glass fibres are usually used in non-demanding applications due to the lower price of this product, in spite of a worse mechanical behaviour. Recent studies [6,7] showed how the basalt fibre can find a new space in this specific market even though the studies on the use of basalt fibres are mainly limited to concrete based on type I Portland cement [8][9][10]. In addition, from the above review there is not enough investigation on the influence of basic parameters such as fibre content, fibre length and morphology on the properties of the resulting composites.…”

Section: Introductionmentioning

confidence: 99%

Basalt fibres as a sustainable reinforcement for cement based mortars: preliminary study

Quattrociocchi

Albé

Tirillò

et al. 2015

WIT Transactions on Engineering Sciences

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Considering that uncontrolled construction and inappropriate choices of products are elements that consistently contribute to create a non-sustainable city, this work paid special attention to building science aiming at evaluating basalt fibre as a potential material for eco-compatible constructions. The microstructural and physico-mechanical properties of cement-based mortars reinforced with basalt fibres have been investigated through mechanical (compression and bending) as well as water absorption tests of the hardened materials. Two different mortars consisting of cement, the most common material on the construction market, plus siliceous aggregate were characterized using thermogravimetric analysis (TGA). The effect of basalt fibres with different morphologies at different contents on the mechanical behaviour of the resulting mortars was investigated. Fibre reinforced mortars showed an improvement in flexural and compressive strength compared to the neat mortars which was found to depend strongly on the type of matrix and content of fibres. In particular, relatively small fibres enhance the behaviour of mortars indicated for renewal and finishing uses. This can potentially lead to many applications of a natural and quite innovative material in ceramic matrices as a substitute to glass, carbon or polymeric fibres in building science.

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“…e study of BF in Europe, the United States, Japan, and other countries started in the 1970s, and the production process was inferior to those in the former Soviet Union [5]. However, in recent years, in-depth research on BFRC has been reported in Europe, the United States, and Japan, specifically reports on the alkali resistance of BF by Sim et al [18] and Lipatov et al [19]; the strength, heat resistance, high-temperature resistance, and inflaming retarding of BF glass aggregate concrete by Borhan et al [20][21][22]; the thermal deformation of BF-aerated concrete by Sinica et al [23]; the conventional mechanical properties of concrete with a high BF content by Ayub et al [24]; and the wearcorrosion resistance of BFRC by Kabay [25], among others.…”

Section: Introductionmentioning

confidence: 99%

Review of Basalt Fiber‐Reinforced Concrete in China: Alkali Resistance of Fibers and Static Mechanical Properties of Composites

Guo

Wan

et al. 2018

Advances in Materials Science and Engineering

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Research on three-dimensional, randomly distributed BFRC in China is analyzed and summarized in relative depth in this study.e results indicate that the effect of the fiber component and alkali corrosion temperature on the alkali resistance of BF is significant; the BF has little effect on the compressive strength of the concrete; the tensile and flexural strengths of the composites significantly increase compared with plain concrete, and the fiber content has a significant effect on the strength. In light of some problems in the current research, six possible research topics are suggested: (1) investigating the alkali resistance of the BF under dynamic temperatures, lower alkali concentrations, and longer alkali corrosion times; (2) improving the alkali resistance of the BF by increasing its hydrophobicity; (3) determining the optimal fiber distribution orientation of the BF with various characteristic parameters; (4) establishing the calculation formulas for the critical content and critical aspect ratio of various types of BF; (5) determining the optimal mixture ratio of two or more fibers in the FRC while studying the complementary mechanisms between each other; and (6) improving the dispersion of the BF and the BF/matrix interfacial properties.

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Impact of complex additive consisting of continuous basalt fibres and SiO2 microdust on strength and heat resistance properties of autoclaved aerated concrete

Cited by 24 publications

References 28 publications

Concrete Properties Comparison When Substituting a 25% Cement with Slag from Different Provenances

Concrete Properties Comparison When Substituting a 25% Cement with Slag from Different Provenances

Basalt fibres as a sustainable reinforcement for cement based mortars: preliminary study

Review of Basalt Fiber‐Reinforced Concrete in China: Alkali Resistance of Fibers and Static Mechanical Properties of Composites

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