Engineering Applications of Residual Stress

Residual Stresses Management: Measurements, Fatigue Analysis and Beneficial Redistribution Part 2

Residual Stress in Fatigue Analysis The effect of RS on fatigue behavior of welded element could be analyzed based on experimental studies and/or computation (Figures 1 and 2). One of the examples of computation of the effect of RS on fatigue life of welded elements is presented in Figure 7. These data show how the […]

Assessment of Effective Prestress Force of PCCV Using SI Technique Part 1

ABSTRACT Bonded tendons have been used in reactor buildings of heavy water reactors and the light water reactors of some nuclear power plants operating in Korea. The assessment of prestressed forces on those bonded tendons is becoming an important issue in assuring their continuous operation beyond their design life. In order to assess the effective […]

Assessment of Effective Prestress Force of PCCV Using SI Technique Part 2

FINITE ELEMENT MODEL Fig. 4 shows the finite element mesh of concrete, steel rebar and tendon. The mesh for concrete wall and dome are use lower order solid elements (ABAQUS elements C3D8, lagranginan formulation). The steel rebar and prestressing tendon is modeled with truss elements as displayed in Fig. 5 (T3D2). The truss element are […]

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