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RISEffect of Dewatering in a Confined Aquifer on Ground Settlement in Deep Excavations
Publisher: American Society of Civil Engineers
Abstract: Dewatering must be conducted for shallow confined aquifers located below deep excavations. However, its effects on ground settlement remain unclear, due to the complicated seepage and stress condition of the strata. In ...
Key Construction Technologies for Large River-Crossing Slurry Shield Tunnel: Case Study
Publisher: ASCE
Abstract: With the rapid urbanization and unprecedented development of urban traffic, there is an increasing need for river crossings with large-diameter tunnels in short spans, such as in the Yangtze River Delta, China. In order ...
Application of Scale Adaptive Simulation Model to Studying Cooling Characteristics of a High Pressure Turbine Blade Cutback Trailing Edge With Different Cooling Configurations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Effective cooling structure design in the trailing edge (TE) of a high pressure turbine (HPT) blade is essential to increase turbine efficiency and maintain structural integrity. To obtain efficient cooling structures and ...
Influence of Passively Loaded Piles on Excavation-Induced Diaphragm Wall Displacements and Ground Settlements
Publisher: American Society of Civil Engineers
Abstract: Deep excavations in congested urbanized areas may have a significant impact on existing structures. Therefore, protective measures must be taken to control wall deformations and related soil movements. However, little is ...
Field Monitoring of an Existing Cut-and-Cover Tunnel between Two Large-Scale Deep Excavations
Publisher: American Society of Civil Engineers
Abstract: The safety of operational tunnels impacted by nearby deep excavations has led to growing interest in the field of practical civil engineering. Many researchers have studied the performance of shield tunnels during adjacent ...
Numerical Evaluation of Control Measures for Tunnel Deformation Induced by an Oversized Deep Excavation
Publisher: American Society of Civil Engineers
Abstract: Deep excavations conducted close to tunnels will cause an adverse impact on tunnels, and countermeasures must be taken during the excavation to ensure the safety of the tunnels. However, the effectiveness of measures to ...
Long-Term Settlement Behavior of a Highway in Land Subsidence Area
Publisher: American Society of Civil Engineers
Abstract: Constructed transport facilities in soft deposits deform significantly due to long-term land subsidence. A great deal of research has been carried out to study the land subsidence–induced deformations of metro tunnels, ...
Observed Performance of Two Adjacent and Concurrently Excavated Deep Foundation Pits in Soft Clay
Publisher: American Society of Civil Engineers
Abstract: When adjacent foundation pits are excavated concurrently, the stress and deformation of the soil and structures are affected by their interactions. This paper investigates the performance of two adjacent deep foundation ...
Field Investigation and Prediction of Responses of Far-Field Ground and Groundwater to Pumping Artesian Water in Deep Excavations
Publisher: American Society of Civil Engineers
Abstract: Pumping artesian water is mandatory in deep excavation above a shallow confined aquifer with a high piezometric head. In this study, a comprehensive monitoring program is performed to investigate the responses of far-field ...
Numerical Investigation of Effects of Blockage, Inclination Angle, and Hole-Size on Film Cooling Effectiveness at Concave Surface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film-hole can be often blocked by thermal-barrier coatings (TBCs) spraying, resulting in the variations of aerodynamic and thermal performances of film cooling. In this study, a numerical study of the blockage effect on ...