Results 61 to 70 of about 2,444 (197)

Three‐parameter kinematic theory for shear assessment of reinforced concrete short columns

Structural Concrete, EarlyView.
Abstract This work presents a rational kinematics‐based model for assessing the shear capacity of rectangular reinforced concrete short columns. Due to their high stiffness and brittleness, short columns are particularly vulnerable to seismic forces, often exhibiting critical failures.
Daniele Arcuri, Lorenza Petrini, Boyan I. Mihaylov   +2 more
wiley   +1 more source

Study on the mechanical behavior of ballastless track continuous welded rail on multi-span simply supported steel truss bridge for mixed passenger and freight railway

Scientific Reports
Ballastless track continuous welded rails (CWR) are used on a multi-span 100 m simply supported steel truss bridge of a mixed passenger and freight railway, to study the mechanical characteristics and influence factors of CWR on the 100 m simply ...
Hao Xu, Kaize Xie, Jiayin Chen, Weixing Liu, Hongsong Lin   +4 more
doaj   +1 more source

Influence of shear reinforcement detailing on the shear capacity of reinforced concrete beams

Structural Concrete, EarlyView.
Abstract Alternative shear reinforcement layouts that do not fully enclose the longitudinal tensile reinforcement can significantly improve the constructability of reinforced concrete (RC) members. However, their influence on shear transfer mechanisms is not yet fully understood. To address this gap, an experimental program comprising 10 shear tests on
Franz Untermarzoner, Michael Rath, Simon Leitner, Tobias Huber, Johann Kollegger, Patrick Huber   +5 more
wiley   +1 more source

What is (de)politicization and what is wrong with it?

American Journal of Political Science, EarlyView.
Abstract This article attempts to clarify the meaning of (de)politicization. Politicization sometimes refers to the inappropriate intrusion of partisan loyalties in nonpolitical social domains (affective politicization). Politicization can also constitute an ideal of civic agency and energy (contestatory politicization).
Dimitrios Halikias
wiley   +1 more source

Comparative Analysis of Three Vertebral Screw Placement Directions in Anterior Thoracolumbar Fracture Surgery: A Finite Element Study

Orthopaedic Surgery, Volume 17, Issue 5, Page 1464-1477, May 2025.
This study compares the biomechanical effects of three anterior fixation systems in thoracolumbar surgery—HXTL, NHXTL, and Medtronic's CD Horizon ANTERIOR. Finite element analysis evaluates stress and displacement across vertebral bodies and support structures under varying load conditions. Results indicate the HXTL system minimizes nail–rod stress yet
Xuehai Jia, Yanjun Xie, Yi Yang, Yi Deng, Kerui Zhang, Changyong Shen, Ya Li, Litai Ma   +7 more
wiley   +1 more source

Robustness of a Steel Truss Bridge Subjected to Sudden Member Breakage during the Continuous-to-Simply-Supported Transition

Buildings
Steel truss bridges are especially vulnerable in the event of a sudden loss of a load-carrying element, which can trigger a chain of failures. This paper describes a unique case study of a steel truss bridge under construction subjected to sudden member ...
Yanming Chen, Yong Liao, Liming Zhu, Lingkun Chen, Yilian Chen   +4 more
doaj   +1 more source

Design Assisted by Testing of Cold Formed Steel Trusses [PDF]

Bulletin of the Polytechnic Institute of Jassy: Constructions, Architechture Section, 2004
The paper presents the experimental program developed in the Laboratory of Civil Engineering Faculty of the ”Politehnica” University of Timișoara, Romania, in order to establish the real behavior of bolted connections in cold formed steel trusses. First,
Raul Zaharia
doaj  

Concept, Tests, and Optimum Design of Novel Negative Stiffness Friction Dampers for Seismic Protection of Long‐Span Bridges

Earthquake Engineering &Structural Dynamics, Volume 55, Issue 11, Page 2719-2741, September 2026.
ABSTRACT Viscous dampers (VDs) are widely used to mitigate the excessive responses of long‐span bridges. However, VDs face some intricate challenges in engineering practices, including high damping coefficient requirement, potential base shear amplification and tremendous damping force under high velocity. To address these issues, this study develops a
Ruisheng Ma, Shaodong Jiang, Kun Xu, Qiang Han, Xiuli Du, Kaiming Bi   +5 more
wiley   +1 more source

ANALYTICAL MODEL FOR BUCKLING LENGTH COEFFICIENT DETERMINATION IN STEEL TRUSSES: A LATERAL TORSIONAL BUCKLING APPROACH

International Journal for Computational Civil and Structural Engineering
This paper presents a contribution to the study of the stability of steel trusses. The paper proposes an analytical model for the determination of the buckling length coefficient of the truss N by the lateral torsional buckling approach.
Dalila Boukhalfa, Toufik Belaid, Adel Slimani, Fatiha AMMARI   +3 more
doaj   +1 more source

Weak‐Story Mitigation and Drift Redistribution in Moment‐Resisting Frames Using Stepping Rocking Walls

Earthquake Engineering &Structural Dynamics, Volume 55, Issue 11, Page 2760-2780, September 2026.
ABSTRACT This study investigates the seismic response of moment‐resisting frames retrofitted with a stepping rocking wall, with emphasis on weak‐story mitigation and residual drift reduction under both ordinary and pulse‐like ground motions. Nonlinear response‐history analyses are conducted on 9‐story and 20‐story SAC Los Angeles frames.
Mehrdad Aghagholizadeh
wiley   +1 more source