Effect of quartz materials on the development of high strength (M 100) self compacting hybrid fibrous concrete
By: Narendra Kumar B
.
Contributor(s): Ramujee K.
Publisher: Thane ACC LTD 2019Edition: Vol.93(06), June.Description: 52-58p.Subject(s): Civil EngineeringOnline resources: Click here
In:
Indian Concrete JournalSummary: Some special concretes need the ability to flow, pass through small spaces and at the same time should be able to detour through the congested spaces in the structural elements. Research and Development of new/special concretes which can overcome such problems and provide good serviceability and durability is one of the major thrusts on the construction engineers and industry today. Self Compacted Concrete is one such special concrete which can answer such problems. Originally developed in Japan, this concrete can tackle the workability and durability issues without sacrificing the strength. One of the major challenges the concrete industry is facing today is sustainability. Use of Quartz powder in SCC is one such mineral which can contribute to sustainable construction. The workability of Self Compacted Concrete is too sensitive to solid formation change and fiber addition in Self Compacting Concrete will decline the fresh properties of concrete. Mineral admixtures like micro silica and quartz powder and chemical admixtures like super-plasticizers can enhance the workability of fibrous SCC. A detailed experimental investigation is carried out to develop High Strength Hybrid Fibre Reinforced Self Compacting Concrete (HSHFSCC) with the optimum fibrous powder content is obtained by working on various dosages of steel and glass fibres. A dosage of 1.5 % (0.75 % steel + 0.75% glass fibres by weight) is arrived satisfying the fresh and hardened properties.
| Item type | Current location | Call number | Status | Date due | Barcode | Item holds |
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Articles Abstract Database
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School of Engineering & Technology (PG) Archieval Section | Not for loan | 2019793 |
Some special concretes need the ability to flow, pass through small spaces and at the same time should be able to detour through the congested spaces in the structural elements. Research and Development of new/special concretes which can overcome such problems and provide good serviceability and durability is one of the major thrusts on the construction engineers and industry today. Self Compacted Concrete is one such special concrete which can answer such problems. Originally developed in Japan, this concrete can tackle the workability and durability issues without sacrificing the strength. One of the major challenges the concrete industry is facing today is sustainability. Use of Quartz powder in SCC is one such mineral which can contribute to sustainable construction. The workability of Self Compacted Concrete is too sensitive to solid formation change and fiber addition in Self Compacting Concrete will decline the fresh properties of concrete. Mineral admixtures like micro silica and quartz powder and chemical admixtures like super-plasticizers can enhance the workability of fibrous SCC. A detailed experimental investigation is carried out to develop High Strength Hybrid Fibre Reinforced Self Compacting Concrete (HSHFSCC) with the optimum fibrous powder content is obtained by working on various dosages of steel and glass fibres. A dosage of 1.5 % (0.75 % steel + 0.75% glass fibres by weight) is arrived satisfying the fresh and hardened properties.
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