Study on the Fluidity and Strength Properties of High Performance Concrete Utilizing Crushed Sand
- Sangjun Park
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Recently, it has been difficult to get natural sand for concrete due to an insufficient supply in Korea. Crushed sand was thought as a substitute and previous research has been focused on low fluidity and normal compressive strength (24–30 MPa). Study on high performance concrete using crushed sand is hardly found in Korea. In this study it was investigated that the effect of the crushed sand on fluidity and compressive strength properties of high performance concrete. Blending crushed sand (FM: 3.98) produced in Namyangju, Kyunggido and sea sand (FM: 2.80) produced in Asan bay in Chungnam. The final FMs of fine aggregate were 3.50, 3.23, and 3.08. W/B was set as 0.25 to get high performance. With the test results an analysis of relationship was performed using a statistical program. It was shown that strength property of concrete using crushed aggregate at the very early age or after specific time was mainly affected by strength development properties of binders instead of the crushed sand.
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- Study on the Fluidity and Strength Properties of High Performance Concrete Utilizing Crushed Sand
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- Available under Open Access This content is freely available online to anyone, anywhere at any time.
International Journal of Concrete Structures and Materials
Volume 6, Issue 4 , pp 231-237
- Cover Date
- Print ISSN
- Online ISSN
- Korea Concrete Institute
- Additional Links
- high performance concrete
- crushed sand
- alterative aggregate
- statistical analysis
- Industry Sectors
- Sangjun Park (1)
- Author Affiliations
- 1. Daewoo Institute of Construction Technology, Suwon City, 440-210, Korea