Properties of adjusted density high-performance concrete
- Publisher:
- CRC Press, Taylor & Francis Group
- Publication Type:
- Conference Proceeding
- Citation:
- Future in Mechanics of Structures and Materials, Proceedings of the 20th Australasian Conference on the Mechanics of Structures and Materials, 2009, pp. 351 - 355
- Issue Date:
- 2009-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
 | 2009000941OK.pdf | 4.31 MB |
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Lightweight expanded polystyrene a well known material to absorb impact energy is being used to produce adjusted density concrete having enhanced impact energy absorption capacity concrete. Two structural concrete grade 30 and 45 MPa normal weight concrete and lightweight polystyrene concrete were tested for their impact response under 75 kg weight test through 462mm drop. The impact response of concrete was monitored through load-time plot. Peak load and contact time are considered as important measurable quantities in identifying the energy absorbing capacity of concrete. The results showed that for a given structural grade the concrete containing expanded polystyrene aggregate out-performed the nonnal weight concrete in its impact resistance. Under the tested impact loading condition, polystyrene concrete having the compressive strength of 30 MPa showed 28% increase in the contact time and 18% reduction in the peak load compared to the similar grade normal weight concrete
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