Journal article Open Access

Enhancing the Strength Properties of Self-Compacting Concrete with Fiber Reinforcement

Sajan Sharma; Gurvinder Singh

Blue Eyes Intelligence Engineering & Sciences Publication (BEIESP)

Self-compacting concrete is one that is flow able by its own. The SCC is suitable for placing in dense reinforcement structures. It is a new generation performance concrete known for its outstanding deformity and high resistance to bleeding. The concrete is frail material which is comparatively tough in compression but fragile in tension. The tensile strength of concrete is improved by addition of fibers in the concrete mix. The addition of such fibers has negative consequence on the workability of concrete. Various types of fibers are used in concrete to provide the higher flexural strength and better tensile strength. In this research steel fibers are used to provide a better strength as compared with normal reinforced concrete. Steel fiber in SCC significantly improves its flexural strength, improved tensile properties, reduce cracking and improve durability. In this research the investigation of steel fiber in SCC to enhance the strength properties of SCC. The objective of the study was to determine different properties of SCC with steel fiber at different proportions. The experimental investigation was took on the freshly mixed and hardened properties of SCC of various mix with the different variations of fiber 0.25%, 0.50%, 0.75% and 1% by using Viscosity Modified Agent (VMA) 1.5% of cement material by using M25 grade of concrete. In this research a series of tests were carried out for workability like slump cone test, U funnel, V funnel, L box test on SCC to check freshly mix properties like flow-ability, filling-ability, and passing-ability and hardened properties like compressive strength, split-tensile strength and flexural strength respectively and test were conducted at the age of 7Days, 14Days, 28Days on the SCC. The advantage of adding steel fiber in self-compacting concrete is that it enhances its overall strength. 

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