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Deep Learning Framework for Total Stress Detection of Steel Components
Publisher: ASCE
Abstract: Accurately obtaining the stress of steel components is of great importance for the condition assessment of civil structures. Currently, methods for structure stress detection have some drawbacks such as the capability of ...
Imaging-Based Rating for Corrosion States of Weathering Steel Using Wavelet Transform and PSO-SVM Techniques
Publisher: American Society of Civil Engineers
Abstract: Weathering steel with a natural corrosion-resistant feature has been widely applied to the structural components of steel bridges. However, severe surface corrosion damage has been frequently observed in the weathering ...
Measurement of Bridge Dynamic Responses Using Network-Based Real-Time Kinematic GNSS Technique
Publisher: American Society of Civil Engineers
Abstract: The network-based real-time kinematic (NRTK) global navigation satellite system (GNSS) technique was proposed for the first time to monitor the dynamic response of bridges. It could receive corrections from an established ...
Time-Dependent Behavior of Concrete-Filled Steel Tubular Arch Bridge
Publisher: American Society of Civil Engineers
Abstract: This paper develops a simplified method using a summation procedure and a related computer program to calculate the time-dependent behavior of a concrete filled steel tubular (CFST) arch bridge based on the geometric ...
Transverse Joint Design of Small–Medium-Span Fully Precast Steel–UHPC Lightweight Composite Bridge
Publisher: ASCE
Abstract: Joints are always the key issue of the precast bridge structures for accelerated construction. In this paper, the transverse joint of a fully precast steel–UHPC lightweight composite bridge was proposed. Based on the first ...
Experimental Investigation on High-Mode Vortex-Induced Vibration of a Flexible Stay Cable in Smooth Flow
Publisher: ASCE
Abstract: With the increase in the main spans of cable-stayed bridges, the wind-induced vibration, especially the high-mode vortex-induced vibration (VIV) of the long stay cables has become a concern for many researchers. In this ...
Design and Experimental Study of a Harp-Shaped Single Span Cable-Stayed Bridge
Publisher: American Society of Civil Engineers
Abstract: This paper presents issues in the design concept, analysis, and test results of a harp-shaped single span cable-stayed bridge, Hongshan Bridge, located in Changsha, Hunan Province, China. The bridge has a 206 m span, with ...
Full-Scale Experimental Verification of UHPC-RC Composite Slab Culvert with a Clear Span of 8 m
Publisher: ASCE
Abstract: To enhance the structural performance and durability of a conventional reinforced concrete (RC) cover slab over a culvert as well as to improve its spanning ability, this paper presents a novel ultrahigh-performance concrete ...