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RISDevelopment of High-Performance Microfine Cementitious Grout with High Amount of Fly Ash, Silica Fume, and Slag
Publisher: ASCE
Abstract: To develop high-performance microfine cementitious grout (HPMCG), the matrix [microfine Portland cement clinker (MPCC) + flue gas desulfurizing gypsum (MFGDG) + calcium carbonate (MCC)], microfine fly ash (MFA), silica ...
Treatment of Bayer-Process Red Mud through Microbially Induced Carbonate Precipitation
Publisher: ASCE
Abstract: Microbially induced carbonate precipitation (MICP) was used to treat Bayer-process red mud, a waste product of the aluminum industry. Changes in the unconfined compressive strength (UCS), calcium carbonate content and ...
Nonuniform Clearance Effects on Windage Heating and Swirl Development in Straight-Through Labyrinth Seals
Publisher: ASCE
Abstract: Straight-through labyrinth seals are reliable noncontact seal structures widely used in aeroengines. Windage heating and swirl development of labyrinth seals are of great significance to the design of secondary air systems. ...
Effects of Drying-Wetting Cycles on the Mechanical Behavior of Reconstituted Granite-Residual Soils
Publisher: ASCE
Abstract: In Central South of China, granite residual soil (GRS) is one of the main subgrade soils for transportation infrastructures. To further understand the effects of drying and wetting (D-W) cycles on the mechanical responses ...
Global Buckling Behavior of Welded Thick H-Shaped Axial Compression Columns of Q460GJ Steel
Publisher: ASCE
Abstract: This paper presents an experimental and numerical study on the global buckling behavior of welded thick H-section columns of Q460GJ steel under axial load. The thickness of the flange and web is 42 and 25 mm, respectively, ...
Two-Stage Disturbance Rejection Control Strategy for Airport Refueling Systems Based on Predictive Control
Publisher: ASCE
Abstract: Airport refueling systems, composed of parallel pumps and pipe networks, serve as critical infrastructure within the realm of civil aviation. Although the optimal scheduling of centrifugal pumps based on the steady state ...
Characteristics of Red Mud–Blast Furnace Slag Composite Low-pH Cementitious Material Reinforced Using Urease-Producing Microorganisms
Publisher: American Society of Civil Engineers
Abstract: Special low-pH cementitious materials are mainly used in the solidification engineering of medium- and low-radioactive waste and heavy metal pollutants, as well as in the engineering of high-level radioactive waste ...
Effect of Healing Conditions on Fatigue-Healing of Asphalt Binder and Asphalt Mixture
Publisher: ASCE
Abstract: To study the effects that healing conditions have on the fatigue-healing properties of asphalt materials, we conducted a fatigue-healing-fatigue test on asphalt materials using a dynamic shear rheometer and four-point ...
Mechanical Characteristics of Origami Mechanism Based on Thin Plate Bending Theory
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: This paper introduces a method for calculating the deformation displacement of the origami mechanism. The bearing capacity of each face can be analyzed by the relationship between the stress and displacement, which can ...
Robust Optimization of the Secondary Air System Axial Bearing Loads with the Labyrinth Clearance Uncertainty
Publisher: American Society of Civil Engineers
Abstract: The secondary air system of a gas turbine engine is a complex fluid network that is sensitive to geometric variations in the flow elements caused by manufacturing, assembly, and operating conditions. Geometric uncertainty ...