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http://dx.doi.org/10.7855/IJHE.2014.16.2.011

Development of A Strength Test Method for Irregular Shaped Concrete Block Paver  

Lin, Wuguang (중앙대학교 공과대학 토목공학과)
Park, Dae-Geun (중앙대학교 공과대학 토목공학과)
Ryu, SungWoo (한국도로공사 도로교통연구원 도로연구실)
Cho, Yoon-Ho (중앙대학교 공과대학 건설환경공학과)
Publication Information
International Journal of Highway Engineering / v.16, no.2, 2014 , pp. 11-18 More about this Journal
Abstract
PURPOSES : This study aims to develop a strength test method for irregularly shaped concrete block paver. METHODS : Ten (10) different types of concrete block pavers including porous and dense blocks were tested for strength capacities. Destructive and non-destructive methods were used to develop a strength test method for irregularly shaped concrete block paver. The flexural strength evaluation was conducted in accordance to KS F 4419, while compressive strength was conducted with a 45.7mm-diameter core specimen. The impact echo test method was used to evaluate the elastic modulus. Finally, regression analysis was used to investigate the relationship between flexural strength, compressive strength and elastic modulus based on their corresponding test results. RESULTS : The flexural strength of the tested block pavers ranged from 4MPa to 10MPa. At 95% confidence level, the coefficients of determination between compressive-flexural strength relationship and compressive strength-elastic modulus relationship were 0.94 and 0.84, respectively. These coefficients signified high correlation. CONCLUSIONS : Using the test method proposed in this study, it will be easier to evaluate the strength of irregularly shaped concrete block pavers through impact echo test and compressive test, instead of the flexural test. Relative to the flexural strength requirement of 5MPa, the minimum values of compressive strength and elastic modulus, as proposed, are 13.0MPa and 25.0GPa, respectively.
Keywords
concrete block paver; flexural strength; compressive strength; elastic modulus;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
1 Demir, F., 2005. A New Way of Prediction Elastic Modulus of Normal and High Strength Concrete?Fuzzy Logic. Cement and Concrete Research 35 (2005) 1531-1538   DOI   ScienceOn
2 British Standard, 2003. Concrete Paving Block - Requirements and Test Methods. BS EN 1338:2003
3 Chung, H. W., 1989. On Testing of Very Short Concrete Specimens. Cement, Concrete, and Aggregate, ASTM, Vol. 11, No. 1, pp. 40-44.   DOI   ScienceOn
4 Concrete Society Technical Report No:11 (1976). Concrete core testing for strength. The Concrete Society, London
5 Gao, J. M. and Xue, B. F., 2012. Study of Porous Concrete Strength Test Method. 10th International Conference on Concrete Block Paving. Shang Hai, China
6 Han, S. H and Park, W. S., 2009. Analysis of Dynamic and Static Elastic Modulus of In-situ Marine Concrete. Journal of Korean Society of Coastal and Ocean Engineers, v.21 no.6, pp.437-443   과학기술학회마을
7 Japan Interlocking Block Pavement Engineering Association, 2010. Interlocking Block Pavement Engineering Design and Build Guidelines
8 JIS A 1107, 2012. Method of Sampling and Testing for Compressive Strength of Drilled Cores of Concrete
9 Korea Standard Association, 2009. Concrete Interlocking Block for Sidewalk and Road, KS F 4419 : 2009
10 Korea Standard Association, 2007. Method of Obtaining and Testing Drilled Cores and Sawed Beams of Concrete, KS F 2422 : 2007
11 Standards Australia / Standards New Zealand, 2004. Masonry Units, Segmental Pavers and Flags-Methods of Test Method 5: Determining the Breaking Load of Segmental Pavers and Flags.
12 Tuncan, M., Arioz, O., Ramyar, K. and Karasu, B., 2008. Assessing concrete strength by means of small diameter cores. Construction and Building Materials Vol 22, Issue 5, May 2008, Pages 981-988   DOI
13 Turkish Standardization Institute, 2000. Requirements for Design and Construction of Reinforced Concrete Structures TS 500, Turkish Standardization Institute, Ankara.
14 ACI Committee 318, 1995. Building Code Requirements for Reinforced Concrete (ACI 318-95), American Concrete Institute, Farmington Hills, MI
15 ACI Committee, 363 State-of-art-report on high strength concrete, ACI Materials Journal 81 (4) (1984) 364-411.
16 ASTM C 42-90, 2003. Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete. Annual Book of ASTM Standards, Vol 04.02
17 ASTM C 936, 2002. Standard Specification for Solid Concrete Interlocking Paving Units. Annual Book of ASTM Standards, Vol 04.05
18 Baik, B. H. and Song, S. J., 2003. A Study on the Estimation of Compressive Strength by Small Size Core. Journal of the architectural institute of Korea : Structure & construction, v.19 no.1, pp.85-92   과학기술학회마을
19 Benitez, A., Bertone, J and Civitillo, P., 2009. Implementation of the Flexural Strength Test for Concrete Pavers. 9th. International Conference on Concrete Block Paving. Buenos Aires, Argentina
20 Norwegian Council for Building Standardization, 1992. Concrete Structures Design Rules NS 3473, Norwegian Concrete Association, Stockholm.