会议论文详细信息
International Conference Building Materials, Products and Technologies
The influence of specimen size on the dynamic properties of lightweight concrete determined by the resonance method
材料科学;工业技术(总论)
Kocab, D.^1 ; Zitt, P.^1 ; Danek, P.^1 ; Canek, M.^1 ; Alexa, M.^1 ; Hanus, P.^1
Brno University of Technology, Faculty of Civil Engineering, Vevei 331/95, Brno, Czech Republic^1
关键词: Cylindrical cores;    Dynamic modulus of elasticity;    Dynamic property;    Porous aggregates;    Resonance methods;    Specimen sizes;    Torsional vibration;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/583/1/012028/pdf
DOI  :  10.1088/1757-899X/583/1/012028
来源: IOP
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【 摘 要 】

The paper examines the way specimen size influences measurements by the resonance method. The experiment was performed with a lightweight concrete with a porous aggregate (Liapor). Several sets of specimens were made; they differed both in size and type (drilled cylindrical cores, cast prisms). All the specimens were tested for the natural frequency of longitudinal, transverse, and torsional vibration, which were then used to calculate values of the dynamic modulus of elasticity. The outcome of this experiment is a statistical analysis of the test results.

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