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|Title:||Derivation of the complete stress-strain curves for concrete in compression|
|Authors:||Mansur, M.A. |
|Citation:||Mansur, M.A.,Wee, T.H.,Chin, M.S. (1995-12). Derivation of the complete stress-strain curves for concrete in compression. Magazine of Concrete Research 47 (173) : 285-290. ScholarBank@NUS Repository.|
|Abstract:||A closed-loop servo-controlled hydraulic testing machine can be used to generate experimentally the complete stress-strain curves for concrete in compression. However, the deformation readings obtained from the built-in low-voltage displacement transducers or other transducers placed between the machine platens include not only deformations of the concrete but also those due to machine flexibility and end-restraint of the specimen. In this paper, a correction factor is proposed to account for these effects. This requires the use of a compressometer fixed directly to the test specimen and transducers placed between the machine platens. More realistic stress-strain curves for concrete with cylinder (100 × 200 mm) compressive strengths of up to 130 MPa have thus been obtained for the entire loading range.|
|Source Title:||Magazine of Concrete Research|
|Appears in Collections:||Staff Publications|
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