About GUSTAFSSON P J
About Lund Inst. Technology, SWE
About HILLERBORG A
About Lund Inst. Technology, SWE
About ACI Structural Journal
About fracture
About Concrete structures
About Beams girders
About コンクリート
About 破壊エネルギー
About 鉄筋コンクリートばり
About せん断強度
About 感度