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RISStress Concentration Factor of Concrete-Filled Steel Tubular T-Joints with Initial Stress in Chord Tubes
Publisher: American Society of Civil Engineers
Abstract: In concrete-filled steel tubular (CFST) truss structures, the welded joints that connect the CFST chords and hollow steel tube braces are particularly susceptible to fatigue cracking due to high stress concentrations. ...
Time-Dependent Reliability and Redundancy of Corroded Prestressed Concrete Bridges at Material, Component, and System Levels
Publisher: American Society of Civil Engineers
Abstract: Due to structural deterioration, the performance of concrete bridges degrades with time and may result in catastrophic failure events, especially for nonredundant structures. This paper develops a methodology for assessing ...
Axial Compressive Behavior of Concrete-Encased CFST Stub Columns with High-Level Two-Stage Initial Stresses
Publisher: ASCE
Abstract: Concrete-encased concrete-filled steel tube (CFST) is an innovative composite member that consists of the inner CFST components and an outer reinforcement concrete encasement. One increasing application scenario of ...