Stress-Strain Behaviour and Performance Evaluation of High Strength Steel Fibre Reinforced Concrete (SFRSHC)
By: Arora, V. V
.
Contributor(s): Singh, Brijesh.
Publisher: Thane ACC LTD 2019Edition: Vol.93(12), Dec.Description: 54-61p.Subject(s): Civil EngineeringOnline resources: Click here
In:
Indian Concrete Journal - ICJSummary: High strength concrete exhibits several desirable mechanical properties for structural application in seismic regions and repair / rehabilitation of hydraulic structures among others. The damage on concrete surfaces caused by the abrasive action of waterborne solid particles at high velocity is one of the major issue while designing the operation of hydraulic structures like spillways, glacis etc. This paper highlights the study of mechanical properties of steel fibre-reinforced high strength concrete (SFRSHC) with trough and hooked-end steel fibres with 0.55 mm diameter and 35 mm length (aspect ratio: 63) satisfying the requirements of ASTM A-820. The concrete mixes with three different water/binder ratios (0.47, 0.36 and 0.20) was used in the study. The stress-strain behavior under uniaxial compression test has been investigated by varying concrete compressive strength and fibre volume fraction. Splitting tension, uniaxial compression, abrasion, impact and toughness measurements were carried out using 0%, 1%, 1.25%, 1.5% and 2.5% steel fibres by volume of concrete and results are presented. Study highlights that High Strength Steel Fibre Reinforced Concrete (HSSFRC) can be utilized in hydraulic structures for sustainable construction and durable repair.
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School of Engineering & Technology (PG) Archieval Section | Not for loan | 2021-2022292 |
High strength concrete exhibits several desirable mechanical properties for structural application in seismic regions and repair / rehabilitation of hydraulic structures among others. The damage on concrete surfaces caused by the abrasive action of waterborne solid particles at high velocity is one of the major issue while designing the operation of hydraulic structures like spillways, glacis etc. This paper highlights the study of mechanical properties of steel fibre-reinforced high strength concrete (SFRSHC) with trough and hooked-end steel fibres with 0.55 mm diameter and 35 mm length (aspect ratio: 63) satisfying the requirements of ASTM A-820. The concrete mixes with three different water/binder ratios (0.47, 0.36 and 0.20) was used in the study. The stress-strain behavior under uniaxial compression test has been investigated by varying concrete compressive strength and fibre volume fraction. Splitting tension, uniaxial compression, abrasion, impact and toughness measurements were carried out using 0%, 1%, 1.25%, 1.5% and 2.5% steel fibres by volume of concrete and results are presented. Study highlights that High Strength Steel Fibre Reinforced Concrete (HSSFRC) can be utilized in hydraulic structures for sustainable construction and durable repair.
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