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블록의 표층재료 특성이 마모저항성에 미치는 영향 분석An Analysis on the Effect Factors of the Abrasion Resistance of Interlocking Concrete Block for Roadways
- Issue Date
- 2012
- Publisher
- 한국도로학회
- Keywords
- interlocking block; abrasion resistance; abrasion test method; abrasion resistive mix design
- Citation
- 한국도로학회논문집, v.14, no.5, pp 67 - 74
- Pages
- 8
- Journal Title
- 한국도로학회논문집
- Volume
- 14
- Number
- 5
- Start Page
- 67
- End Page
- 74
- ISSN
- 1738-7159
2287-3678
- Abstract
- PURPOSES : In this study the influence factors related to abrasion resistance of interlocking concrete block have been evaluated, and comparisons between various domestic and foreign abrasion test methods was also accomplished. METHODS: The modified rotational cutting method suggested in ASTM C 944 was applied. Surface materials with different types of fine aggregate such as crushed sand, sea sand, and mixture of crushed and sea sand were tested to compare the aggregate effect for abrasion resistance. RESULTS : The different surface mixtures with various W/C ratios, mortar and fly ash ratios have been investigated for functional and economical considerations. CONCLUSIONS: This study had obtained reliable results by changing diamond blade of rotating cutter. Therefore, in order to improve the abrasion resistance of interlocking concrete block for road, a new mix design was proposed.
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