Shaojie Qin
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View article: Lightweight defocus deblurring network for curved-tunnel line scanning using wide-angle lenses
Lightweight defocus deblurring network for curved-tunnel line scanning using wide-angle lenses Open
High-resolution line scan cameras with wide-angle lenses are highly accurate and efficient for tunnel detection. However, due to the curvature of the tunnel, there are variations in object distance that exceed the depth of field of the len…
View article: The research on minimizing the induction between the transmitting and receiving coils in close range transient electromagnetic inspection of groundwater-related defects in the operating tunnels
The research on minimizing the induction between the transmitting and receiving coils in close range transient electromagnetic inspection of groundwater-related defects in the operating tunnels Open
The striking dominance of groundwater-related defects in the operational high-speed railway tunnels in China calls for swift and accurate detection and identification. Thus, it is a new attempt to detect the water-bearing defects at 5 to 1…
View article: Research on Data Optimization of CT System for Patients with Severe Pneumonia Based on Filtered Back Projection and Internet of Things
Research on Data Optimization of CT System for Patients with Severe Pneumonia Based on Filtered Back Projection and Internet of Things Open
CT technology can clearly and intuitively display the internal structure, composition, material, and defect status of the detected object under the condition of no damage to the detected object. This paper is based on the filtering back pr…
View article: Vehicle-Borne Transient Electromagnetic Numerical Characteristic Parameter of Water-Bearing Body behind Tunnel Linings
Vehicle-Borne Transient Electromagnetic Numerical Characteristic Parameter of Water-Bearing Body behind Tunnel Linings Open
The water-bearing body (WBB) behind tunnel linings has been some of the main causes of damage in operational tunnels. The WBB directly affects the serviceability state of tunnel linings; thus, determining a method to detect this problem is…
View article: Risk Assessment System Based on Fuzzy Composite Evaluation and a Backpropagation Neural Network for a Shield Tunnel Crossing under a River
Risk Assessment System Based on Fuzzy Composite Evaluation and a Backpropagation Neural Network for a Shield Tunnel Crossing under a River Open
Constructing a shield tunnel that crosses under a river poses considerable safety risks, and risk assessment is essential for guaranteeing the safety of tunnel construction. This paper studies a risk assessment system for a shield tunnel c…
View article: Analysis of cracking-moment calculation method of pre-stressed sheet pile
Analysis of cracking-moment calculation method of pre-stressed sheet pile Open
The two existing calculation methods of cracking moment for the pre-stressed high-strength concrete piles are analyzed in this paper. Through systematically calculation analysis of characteristics, sources, processes, errors in the two for…
View article: Research on Optimization Design of High Strength Prestressed Grooved Sheet Piles
Research on Optimization Design of High Strength Prestressed Grooved Sheet Piles Open
Through theoretical calculations, the cracking moment, bending moment and section bending coefficient of high-strength prestressed grooved sheet piles and high-strength prestressed corrugated sheet piles were compared and analyzed; theoret…