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Effect of Specimen Sizes and Shapes on Compressive Strength of Concrete
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Effect of Specimen Sizes and Shapes on Compressive Strength of Concrete
Yang Eun-Ik; Choi Joong-Cheol; Yi Seong-Tae;
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The compressive strength of concrete is used as the most basic and important material Property when reinforced concrete structures are designed. It has become a problem to use this value, however, because the control specimen sizes and shapes are different from every country. In this study, the effect of specimen sizes and shapes on compressive strength of concrete specimens was experimentally investigated based on fracture mechanics. Experiments for the Mode I failure was carried out by using cylinder, cube, and prism specimens. The test results are curve fitted using least square method(LSM) to obtain the new parameters for the modified size effect law(MSEL). The analysis results show that the effect of specimen sizes and shapes on ultimate strength is apparent. In addition, correlations between compressive strengths with size, shape, and casting direction of the specimen are investigated. For cubes and prisms the effect of placing direction on the compressive strength was investigated.
compressive strength;size effect;shape effect;casting direction;
 Cited by
3차원 입자 결합 모델에서 콘크리트의 일축압축실험 모사 적용성 연구,이희광;전석원;

한국콘크리트학회논문집, 2008. vol.20. 2, pp.147-156 crossref(new window)
Gonnerman, H.F., 'Effect of Size and Shape of Test Specimen on Compressive Strength of Concrete, 'ASTM, Proc, Vol.25, 1925, pp.237-250

British Standards Institution, 'BS 1881: Method for Determination of the Compressive Strength of Cores,' Part 120, BSI, London, 1983

CEB-FIP Model Code 1990, 'Comite Euro-International du Beton(CEB),' Bulletin D'lnformation No. 203/205, Lausanne, 1993, 437pp

Murdock, J.W. and Kesler, C.E., 'Effect of Length to Diameter Ratio qf Specimen on the Apparent Compressive Strength of Concrete,' ASTM Bulletin, No.221, 1957, pp.68-73

American Society for Testing and Materials, 'Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete,' Annual Book of ASTM Standards, (ASTM C 42-94), 1995, Section 4, American Society for Testing and Materials, Philadelphia, pp.24-27

Bazant, Z.P., 'Size Effect in Blunt Fracture; Concrete, Rock, Rock, Metal,' Journal Of Engineering Mechanics, ASCE, Vol.110, No.4, Apr. 1984, pp.518-535 crossref(new window)

Kim, J.K. and Eo, S.H., 'Size Effect in Concrete Specimens with Dissimilar Initial Cracks,' Magazine of Concrete Research, Vol.42, No.153, Dec. 1990, pp.233-238 crossref(new window)

Kim, J.K., Yi, S.T., Park, C.K., and Eo, S.H., 'Size Effect on Compressive Strength of Plain and Spirally Reinforced Concrete Cylinders,' ACI Structural Journal, Vol.96, No.1, Jan.-Feb. 1999, pp.88-94

Kim, J.K., Yi, S.T., and Yang, E.I., 'Size Effect on Flexural Compressive Strength of Concrete Specimens,' ACI Structural Journal, Vol.97, No.2, Mar.-Apr. 2000, pp.291-296

Kim, J.K., Yi, S.T., and Kim, J.J.H., 'Effect of Specimen Sizes on Flexural Compressive Strength of Concrete,' ACI Structural Journal, May-Jun. 2001,pp.416-424

Chin M.S., Mansur M.A. and Wee T.H., 'Effects of Shape, Size, and Casting Direcdon of Specimens on Stress-Strain Curves of High-Strength Concrete,' ACI Materials Journal, Vo1.94, No.3, May-Jun. 1997, pp.209-219