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RISLong-Term Influence of Nanosilica on the Microstructures, Strength, and Durability of High-Volume Fly Ash Mortar
Publisher: ASCE
Abstract: Nanosilica has been proven able to strengthen the early-age performance of high-volume fly ash (HVFA) cementitious composites. However, the long-term influence of nanosilica on HVFA composites is yet unclear. This research ...
Robust Surface Warming in Offshore China Seas and Its Relationship to the East Asian Monsoon Wind Field and Ocean Forcing on Interdecadal Time Scales
Publisher: American Meteorological Society
Abstract: AbstractRobust surface warming with distinct interdecadal variations has been observed in the offshore area of China and adjacent seas (hereafter, offshore China) during winter and summer of the period 1958?2014. Acceleration ...
Bayesian Approach for Joint Estimation of Demand and Roughness in Water Distribution Systems
Publisher: American Society of Civil Engineers
Abstract: A combined demand and roughness estimation is a critical step in order for the water distribution system model to represent the real system adequately. A novel two-level Markov chain Monte Carlo particle filter method for ...
Effect of Total Stress Path and Gas Volume Change on Undrained Shear Strength of Gassy Clay
Publisher: ASCE
Abstract: Clay with free gas bubbles can be frequently encountered in the seabed. Gassy clay is an unsaturated soil, but its mechanical behavior cannot be described using conventional unsaturated soil mechanics because it has a ...
Study on the Evolution Mechanism of Permeability and Porosity of Coal under Repeated Mining Stress Path
Publisher: American Society of Civil Engineers
Abstract: Existing studies have established that the permeability evolution of coal under repeated loading and unloading stress paths and the distribution and changes of its internal microstructure are crucial for the efficient and ...
Variation Analysis and Robust Fixture Design of a Flexible Fixturing System for Sheet Metal Assembly
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flexibility of assembly systems is crucial to maintaining the competitiveness in the rapidly changing market. In this paper, a novel flexible fixturing system for sheet metal part assembly is ...
Influence of Intermediate Principal Stress on the Bearing Capacity of Strip and Circular Footings
Publisher: American Society of Civil Engineers
Abstract: Studies of the bearing capacity of footings usually do not take into account the effect of the intermediate principal stress. In practice, the intermediate principal stress has certain influences on the strength of ...
Electrocoagulation of Dairy Manure Using Low-Carbon Steel Electrodes for Phosphorus Removal
Publisher: ASCE
Abstract: With the recent trend of increasing size for the dairy operations, dairy manure, due to its high content of phosphorus and relatively low nitrogen/phosphorus ratio, is limited when applied in the area where phosphorus is ...
Drag-Reduction and Resonance Problems of a Jointed Drillstring in the Presence of an Axial Excitation Tool
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Axial excitation tools (AETs) have the ability to improve slide-drilling efficiency by reducing the friction between the drillstring and the wellbore wall. However, drag-reduction effects are not always satisfactory, and ...
Study on the Evolution Mechanism of Permeability and Porosity of Coal under Repeated Mining Stress Path
Publisher: American Society of Civil Engineers
Abstract: Existing studies have established that the permeability evolution of coal under repeated loading and unloading stress paths and the distribution and changes of its internal microstructure are crucial for the efficient and ...