Abstract
Self Compacting Concrete (SCC) is a specially developed concrete for concreting under extreme condition of inaccessibility from heights. It is capable to flow under influence of its own weight. It could be used when encountered with dense reinforcement and complex structural design. Problem of segregation as well as bleeding is eliminated and vibration is not required for compaction. As concrete is strong in compression and weak in tension. Hence to make it strong in tension, discontinuous Anti-Crack high dispersion glass fibers are added. SCC mix prepared with addition of discontinuous glass fibers is called as Glass Fiber reinforced Self Compacting Concrete (GFRSCC). In this paper an experimental study has been carried out to check the effect of Anti-Crack high dispersion glass fibers on the compressive strength, split tensile strength and flexural strength of SCC. The result show that, as compared to the Normal SCC, the compressive strength of GFRSCC increases by 2.80% and 12.42%, the split tensile strength of GFRSCC increases by 4.47% and 25.12% and the flexural strength of SCC increases by 6.57% and 14.34% when the Cem-FIL Anti-Crack HD glass fibers were added as 0.25% and 0.50% respectively by the weight of total cementitious material contents. The addition of 0.25% Cem-FIL Anti-Crack HD glass fibers to SCC has not much affect on the workability of Normal SCC. Whereas, addition of 0.50% Cem-FIL Anti-Crack HD glass fibers reduces the workability of SCC.
Highlights
Self Compacting Concrete (SCC) is a specially developed concrete for concreting under extreme condition of inaccessibility from heights
The result show that, as compared to the Normal SCC, the compressive strength of Glass Fiber reinforced Self Compacting Concrete (GFRSCC) increases by 2.80% and 12.42%, the split tensile strength of GFRSCC increases by 4.47% and 25.12% and the flexural strength of SCC increases by 6.57% and 14.34% when the Cem-FIL Anti-Crack HD glass fibers were added as 0.25% and 0.50% respectively by the weight of total cementitious material contents
The cubes, cylinders and beams were cast for Normal SCC and GFRSCC mixes and were tested for the compressive strength, split tensile strength and flexural strength respectively
Summary
The ingredients used for making the SCC and GFRSCC are as follows. 3.1.1 Cement: The Ordinary Portland Cement (OPC) of 53 grade (Ambuja Cement) having specific gravity of 3.15 was used in study. The ingredients used for making the SCC and GFRSCC are as follows. 3.1.1 Cement: The Ordinary Portland Cement (OPC) of 53 grade (Ambuja Cement) having specific gravity of 3.15 was used in study. It was tested to find physical properties in accordance with Indian Standard specifications. 3.1.2 Fly Ash: Locally available fly ash confirming to IS: 3812 (Part-1) -2013 [10]. 3.1.3 GGBS: GGBS confirming to IS: 12089-1987 having the surface area about 350 to 450 m2/ kg was used [11]. 3.1.4 Fine Aggregate: Natural River Sand, clear from all sorts of organic impurities was used.
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