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Sustainable Biobased Hydrogel as an Alternative Air-Entrainment Agent in Cement-Based Materials
Publisher: American Society of Civil Engineers
Abstract: This study synthesized a biobased hydrogel from local and renewable raw materials to improve the freeze–thaw resistance of hardened cementitious matrices. A biobased hydrogel was produced by thermal gelatinization process ...
Experimental Studies and Models for Ductile Fracture in ASTM A992 Steels at High Triaxiality
Publisher: American Society of Civil Engineers
Abstract: This study presents the results of experimental investigation and models for ductile fracture in the ASTM A992 structural steels subjected to high stress triaxiality. To this end, uniaxial tension tests on the notched ...
Fast-to-Compute Weakly Coupled Ductile Fracture Model for Structural Steels
Publisher: American Society of Civil Engineers
Abstract: Ductile fracture in metals can be simulated either by coupled or by uncoupled fracture models. Although the coupled models simulate the gradual loss of strength resulting from the initiation of the damage attributable to ...
Deciphering the Fracture Initiation Mechanism in Additive-Manufactured 17-4 Steel
Publisher: ASCE
Abstract: Additive manufacturing (AM) provides exceptional geometrical freedom to the architects and designers and enables the construction of architecturally exposed steel structures. However, the AM structural elements inherently ...
Experimental Evaluation of Microvoid Characteristics and Relationship with Stress and Strain for Ductile Fracture
Publisher: ASCE
Abstract: The present study aims to characterize the microvoid sizes and their statistical distribution at the instance of fracture from the fracture surface of steel specimens. To this end, uniaxial tensile tests are conducted on ...
Mitigating Corrosion Damage in Steel Employing Biobased Erythritol and Xylitol as Corrosion Inhibitions
Publisher: American Society of Civil Engineers
Abstract: Salt-based deicers, while effective for clearing snow, can cause severe damage to concrete and induce rebar corrosion. This research endeavors to mitigate the corrosion damage to steel in a chloride environment by employing ...
Closure to “Complex Perturbation Method for Sensitivity Analysis of Nonlinear Trusses” by Ravi Kiran, Lei Li, and Kapil Khandelwal
Publisher: American Society of Civil Engineers
Complex Perturbation Method for Sensitivity Analysis of Nonlinear Trusses
Publisher: American Society of Civil Engineers
Experimental and Numerical Studies on Inelastic Dynamic Behavior of Stainless Steel Elbow Under Harmonic Base Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present work, inelastic dynamic behavior of a pressurized stainless steel elbow is studied under harmonic base excitation with the emphasis on strain accumulation known as ratcheting. Initially, sine sweep test is ...
Microstructure–Mechanical Property Relationships for Post-Fire Structural Steels
Publisher: ASCE
Abstract: The objectives of this study are (1) to investigate the microstructural changes in structural steels that are exposed to fire accidents; and (2) to understand their influence on post-fire mechanical properties. ...