Studies on strength properties of basalt fibre reinforced concrete

2021 ◽  
Author(s):  
PL. Meyyappan ◽  
M. Jemimah Carmichael
Keyword(s):  
Reinforced Concrete ◽  
Strength Properties ◽  
Fibre Reinforced Concrete ◽  
Basalt Fibre

scholarly journals Study on Strength Properties of Basalt Fibre Reinforced Concrete with Partial Replacement of Cement as Metakolic

2019 ◽  
pp. 378-382
Author(s):  
Kalaivani M ◽  
Jagadeesan R ◽  
Mageshkumar P ◽  
Angusenthil K
Keyword(s):  
Reinforced Concrete ◽  
Plain Concrete ◽  
Strength Properties ◽  
Fibre Volume ◽  
Mineral Admixtures ◽  
Partial Replacement ◽  
Fibre Reinforced Concrete ◽  
Reinforced Concrete Structure ◽  
Basalt Fibre ◽  
Increasing Demand

This paper provides a summary of strength properties of basalt fibre reinforced concrete. It contains short discrete fibres that uniformly distributed and randomly oriented. Basalt fibres are in increasing demand as they improve the tensile resistance and ductile performance of plain concrete, thus reducing cracking and leading to improve durability of reinforced concrete structure. The main objective is to investigate the mechanical properties of basalt fibre reinforced concrete containing met kaolin as partial replacement of cement. The fibres were placed in concrete by 0.3%, 0.4% and 0.5% of its total volume of concrete, for each mix 10% of cement is replaced by met kaolin. Three sets of cubes, cylinders and prisms for each mix of M20 grade concrete were casted and tested after 28 days of curing. Experimental results showed that the addition of basalt fibres up to 0.4% fibre volume together with mineral admixtures improved the strength properties of concrete.

scholarly journals Basalt Fibre Reinforced Concrete Unprotected to Chemical Attack

2020 ◽  
Vol 16 (1) ◽  
pp. 131-137
Author(s):  
Mohankumar Namdeorao Bajad
Keyword(s):  
Reinforced Concrete ◽  
Strength Properties ◽  
Mineral Admixtures ◽  
Fibre Reinforced Concrete ◽  
Ideal Strength ◽  
Sulphate Attack ◽  
Basalt Fibre ◽  
Split Tensile Strength ◽  
Chemical Attack ◽  
The Impact

AbstractThis paper depends on a test examination on basalt fibres which started from volcanic shakes and were dissolved at high temperatures. These stones were accessible from the world’s profound hull. M30 evaluation of concrete was structured according to is 10262:2009 with basalt fibres. The fibres alongside mineral admixtures were utilized in three distinct extents, that is 0 %, 1 %, 2 %, 3 % by heaviness of cement. The goal was to decide the characteristics of fibre reinforced concrete with various fibre extents. The strength properties, for example, compressive strength, split tensile strength, flexural strength, shear strength and the impact on strength of concrete when it was unprotected to sulphate attack after stipulated extended ages of curing were contemplated and thought about. From the examination, it was discovered that the basalt fibre expanded the strength of concrete notwithstanding when unprotected to sulphate attack bit by bit when compared with consistent concrete. The ideal strength of concrete was accomplished with an enlargement of 2 % basalt fibre.

scholarly journals Chloride Diffusion Property of Hybrid Basalt–Polypropylene Fibre-Reinforced Concrete in a Chloride–Sulphate Composite Environment under Drying–Wetting Cycles

Materials ◽  
2021 ◽  
Vol 14 (5) ◽  
pp. 1138
Author(s):  
Yang Luo ◽  
Ditao Niu ◽  
Li Su
Keyword(s):  
Reinforced Concrete ◽  
Coupling Effect ◽  
Early Stage ◽  
Polypropylene Fibre ◽  
Chloride Diffusion ◽  
Fibre Reinforcement ◽  
Fibre Reinforced Concrete ◽  
Basalt Fibre ◽  
Diffusion Property ◽  
Chloride Attack

The effect of fibre reinforcement on the chloride diffusion property of concrete is controversial, and the coupling effect of sulphate erosion and drying–wetting cycles in marine environments has been neglected in previous studies. In this study, the chloride diffusion property of hybrid basalt–polypropylene fibre-reinforced concrete subjected to a combined chloride–sulphate solution under drying–wetting cycles was investigated. The effects of basalt fibre (BF), polypropylene fibre (PF), and hybrid BP–PF on the chloride diffusion property were analysed. The results indicate that the presence of sulphate inhibits the diffusion of chloride at the early stage of erosion. However, at the late stage of erosion, sulphate does not only accelerate the diffusion of chloride by causing cracking of the concrete matrix but also leads to a decrease in the alkalinity of the pore solution, which further increases the risk of corrosion of the reinforcing steel. An appropriate amount of fibre can improve the chloride attack resistance of concrete at the early stage. With the increase in erosion time, the fibre effectively prevents the formation and development of sulphate erosion microcracks, thus reducing the adverse effects of sulphate on the resistance of concrete to chloride attack. The effects of sulphate and fibre on the chloride diffusion property were also elucidated in terms of changes in corrosion products, theoretical porosity, and the fibre-matrix interface transition zone.

scholarly journals Effect of basalt fibre on the mechanical properties of M70 grade high performance concrete

2020 ◽  
Vol 184 ◽  
pp. 01110
Author(s):  
V Ram Singh ◽  
V Srinivasa Reddy ◽  
S Shrihari ◽  
T Srikanth
Keyword(s):  
High Performance ◽  
High Performance Concrete ◽  
Peak Load ◽  
Strength Properties ◽  
Ultimate Strain ◽  
Maximum Effect ◽  
Fibre Reinforced Concrete ◽  
Basalt Fibre ◽  
Energy Dissipation Capacity ◽  
Strain Responses

The presented work reveals the strength properties of M70 grade high performance basalt fibre reinforced concrete (BFRCC) containing 0.2%, 0.3% and 0.4% basalt fibre content by volume of concrete. 10% Silica fume is admixed for attaining higher strengths as preferred. Compressive, split-tensile and flexural strengths are evaluated. The BFRCC microstructure is found to be improved due to enrichment of interfacial transition zone with chopped basalt fibres. It was found that different fibre lengths require different dosages to yield maximum effect on the properties of concrete. Stress- strain responses of M70 grade BFRSCC yields improved ultimate strain and strain at peak load indicating its energy dissipation capacity at fracture.

scholarly journals Experimental study on strength properties of aluminium fibre reinforced concrete

2021 ◽  
Vol 33 (1) ◽  
pp. 23-29 ◽  
Author(s):  
Y.K. Sabapathy ◽  
S. Sabarish ◽  
C.N.A Nithish ◽  
S.M. Ramasamy ◽  
Gokul Krishna
Keyword(s):  
Experimental Study ◽  
Reinforced Concrete ◽  
Strength Properties ◽  
Fibre Reinforced Concrete

scholarly journals Statistical Models for Mechanical Properties of Basalt Fibre Reinforced Concrete

2019 ◽  
Vol 8 (12) ◽  
pp. 1579-1582
Keyword(s):  
Mechanical Properties ◽  
Flexural Strength ◽  
Statistical Models ◽  
Strength Properties ◽  
Fibre Reinforced Concrete ◽  
Strength Parameters ◽  
Basalt Fibre ◽  
Optimum Length ◽  
Yield Increase ◽  
Fibre Fraction

In the present study, strength properties of concrete reinforced with basalt fibres are examined and statistical models are developed to establish the relation between the strength parameters. Optimum length and dosage of bundles and filament basalt fibres is decided from lengths 12 mm, 36mm and 50mm and dosage of 0.2%, 0.3% and 0.4% fibre fraction by volume of concrete. This optimum dosage of and length combinations for bundled and filament fibres yield increase in compressive, splittensile and flexural strength by……%

Effect of Surface Modification and Fibre Content on the Mechanical Properties of Coconut Fibre Reinforced Concrete

2020 ◽  
Vol 1159 ◽  
pp. 78-99
Author(s):  
Chirath Hettiarachchi ◽  
Gobithas Thamarajah
Keyword(s):  
Reinforced Concrete ◽  
Alkali Treatment ◽  
Concrete Structures ◽  
Strength Properties ◽  
Fibre Content ◽  
Unit Weight ◽  
Fibre Reinforced Concrete ◽  
Coir Fibre ◽  
Coconut Fibre ◽  
Epoxy Paint

In the past few decades, concrete has been the most widely used material for structural applications in the world and uses steel reinforcement as aide to meet the flexural, tensile and ductility demands required of concrete structures. Manufacturing of concrete and steel reinforced concrete structures is associated with millions of tons of carbon dioxide emissions and mineral waste. This activity is also responsible for the depletion of a large number of non-renewable resources. Reinforcing steel is also a high cost material, consumes a lot of energy in its production. Consequently, the use of natural fibres as an alternative for steel reinforcement is widely investigated, to promote the use of sustainable concrete structures. This study aims to investigate the effect on durability, flexural, compressive, tensile properties and workability of concrete by incorporating coir fibre at varying fibre content to find the fibre content which gives optimum results. The fibre contents used were 0%, 0.5%, 1.0%, 1.5% and 2.0% by weight of cement. Furthermore, the effect of modifying the surface of the coir fibres by alkali treatment (i.e. 5 wt.% NaOH solution) and coating the fibres with epoxy paint and polyurethane varnish on coir fibre reinforced concrete (CFRC) were also investigated. Tests conducted on the CFRC specimens included slump test and flexural, compressive and tensile strength tests. Water absorption and sorptivity tests were also conducted to investigate the durability. Slump (workability) and unit weight reduced with an increase in fibre content. The surface modification methods used, had resulted in an increased workability and a reduced unit-weight. A coconut fibre content of 1% produced the best combination of flexural, tensile and compressive properties. Water absorption and sorption rate per unit time, increased with an increase of coir fibre content. It is also found that epoxy paint and alkali treatment of the fibres has a positive effect on the mechanical strength properties and also the durability and workability of the CFRC specimens. However, polyurethane varnish coating had a detrimental effect on the mechanical strength properties of the CFRC specimens.

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