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View article: Shear Behavior of Curved Concrete Structures Repaired with Sustainability-Oriented Trenchless Polymer Grouting
Shear Behavior of Curved Concrete Structures Repaired with Sustainability-Oriented Trenchless Polymer Grouting Open
Urban underground infrastructure is increasingly challenged by material aging, environmental degradation, and structural deterioration. In response, trenchless polymer grouting technologies employing sustainability-oriented two-component f…
View article: Inversion of Soil Parameters and Deformation Prediction for Deep Excavation Based on PSO-SVM Model
Inversion of Soil Parameters and Deformation Prediction for Deep Excavation Based on PSO-SVM Model Open
During deep excavation, actual soil parameters undergo changes. To enhance the accuracy of soil parameter selection in finite element simulation and improve the precision of finite element analysis, an inversion method for soil parameters …
View article: Temperature Field and Temperature Effects for Concrete Box Girder Bridges Based on Monitoring Data and Numerical Simulation
Temperature Field and Temperature Effects for Concrete Box Girder Bridges Based on Monitoring Data and Numerical Simulation Open
The temperature field distribution and temperature effects of concrete box girder bridges were found to be critical to their long-term service safety. Based on long-term structural health monitoring data, the temperature field and temperat…
View article: Influence of blast hole shape and in-situ stress on blast damage evolution in granite by numerical simulation
Influence of blast hole shape and in-situ stress on blast damage evolution in granite by numerical simulation Open
With the increasing development of deep underground engineering projects, under in-situ stress constraints, tunnel blasting excavation faces significant challenges in crack control. This study aimed to explore crack propagation patterns in…
View article: Adaptability Evaluation of Hybrid Riser-Based Riserless Mud Recovery System for Deepwater Natural Gas Hydrate Exploration and Development
Adaptability Evaluation of Hybrid Riser-Based Riserless Mud Recovery System for Deepwater Natural Gas Hydrate Exploration and Development Open
Deepwater natural gas hydrate (NGH) exploration faces environmental and economic challenges due to the conventional seabed discharge of drilling mud. To address this, we developed an improved riserless mud recovery (RMR) system using hybri…
View article: Experimental Study on the Strengthening Effect of Polyaspartate Polyurea Lining on Concrete Pipes
Experimental Study on the Strengthening Effect of Polyaspartate Polyurea Lining on Concrete Pipes Open
In this study, the mechanical properties of a novel polyaspartate polyurea (PAEP) material and its effectiveness in enhancing the structural strength of concrete pipes with varying damage levels were experimentally investigated. Results sh…
View article: Deep Learning Network Model for Road Pavement Damage Detection Based on YOLOv8s-GES
Deep Learning Network Model for Road Pavement Damage Detection Based on YOLOv8s-GES Open
Road pavement damage poses significant risks to driving comfort and safety. It can also contribute to traffic accidents, ultimately leading to losses in life and property. Accurate detection of road pavement damage is, therefore, crucial f…
View article: Research on storage and maintenance of civil aircraft finished products
Research on storage and maintenance of civil aircraft finished products Open
Storage and maintenance is one of the most important tasks in the whole life of civil aircraft, which is directly related to the product’s quality and reliability, and affects the mass-produced schedule, maintenance cost and delivery quali…
View article: Dynamic characteristics and safety analysis of drill strings in deepwater open hole drilling
Dynamic characteristics and safety analysis of drill strings in deepwater open hole drilling Open
Open hole drilling is expected to become the mainstream technology for ultra-deepwater applications. During ultra-deepwater drilling, the drill string is influenced by oceanic wind, waves, and currents, resulting in highly complex mechanic…
View article: Efficient and accurate methodologies for MCS-based probabilistic analysis of tunnel face stability
Efficient and accurate methodologies for MCS-based probabilistic analysis of tunnel face stability Open
This paper proposes two strategies to perform efficient and accurate MCS-based probabilistic analysis of tunnel face stability. The first strategy takes the samples that have been evaluated by three-dimensional (3D) numerical simulations a…
View article: High-resolution analysis of hydraulic response characteristics of silted stormwater pipeline and manholes in urban catchments using GASM-TranGRU and CFD-DEM
High-resolution analysis of hydraulic response characteristics of silted stormwater pipeline and manholes in urban catchments using GASM-TranGRU and CFD-DEM Open
Background:The existing pipeline siltation analysis lacks the analysis of the influence of pipeline siltation intensity on the water level depth of the manhole.Objective:To address these issues, in this study, the high-resolution numerical…
View article: The Shear Behavior of the Curved Interface in Polyurethane-Concrete Composite Structures
The Shear Behavior of the Curved Interface in Polyurethane-Concrete Composite Structures Open
Polyurethane grouting trenchless technology has been widely applied to the rehabilitation of concealed defects in engineering structures. The interfacial properties between polyurethane and engineering structures are key factors determinin…
View article: Power grid accident warning based on real-time analysis of hazard sources and weights
Power grid accident warning based on real-time analysis of hazard sources and weights Open
The power grid system has diverse structures consisting of multiple subnets, equipment, and components that are interrelated and mutually influential. At the same time, there are various types of power grid accidents, including short circu…
View article: Mechanical properties of the liner for strengthening steel pipe under the action of normal fault
Mechanical properties of the liner for strengthening steel pipe under the action of normal fault Open
Using liner pipe to rehabilitate pressure pipe can effectively improve the mechanical performance of the pipe. To explore the mechanical properties of the liner for repairing pressure pipes under the action of a normal fault, a refined thr…