種別 論文
主題 FRACTURE MECHANISMS IN SPLIT-TENSILE TEST OF FRC BY AE-SiGMA ANALYSIS
副題
筆頭著者 MONDORINGIN MIELKE(Kumamoto University)
連名者1 大津政康(熊本大学)
連名者2
連名者3
連名者4
連名者5〜
キーワード split-tensile test、steel fiber、tesile strength、crack kinematics、split-tensile test、steel fiber、tesile strength、crack kinematics
34
1
先頭ページ 1768
末尾ページ 1773
年度 2012
要旨 Fracture mechanisms of FRC in the split-tensile tests are studied. In comparison with control specimens of normal concrete, RC samples by steel-fiber are tested. Mechanisms of tensile fracture at the meso-scale is identified by the SiGMA analysis. In the 1st stage, a few AE events are observed and tensile cracks are less dominant than those of normal concrete due to the reinforcing effect of fiber. In the 2nd stage, shear cracks and other cracks are more actively observed. This demonstrates that pulling-out of fibers and fretting of cracked surfaces result in AE activity in SFRC.
PDFファイル名 034-01-1287.pdf


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