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RISNew Confined Concrete Stress–Strain Model for Square Double-Skin FRP-Concrete-Steel Stiffened Tubular Columns
Publisher: American Society of Civil Engineers
Abstract: Double-skin tubular columns (DSTCs) are promising modern columns with concrete sandwiched between fiber-reinforced polymer (FRP) and steel skins. Typical concentrated and localized failure modes in DSTCs can be constrained ...
Tests on Short Outer Tube–Stiffened CFDST Columns: Effect of Stiffener Distribution on Axial Performance
Publisher: American Society of Civil Engineers
Abstract: Previous studies on concrete-filled double-skin tubular columns (CFDSTCs) have demonstrated a superior axial performance when outer steel tubes are reinforced with steel stiffeners. As a result, recommendations for stiffener ...