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RISEffects of Water-Binder Ratio and Coarse Aggregate Content on Interior Humidity, Autogenous Shrinkage, and Drying Shrinkage of Concrete
Publisher: American Society of Civil Engineers
Abstract: Experimental studies on shrinkage and interior humidity of three series of concrete with three aggregate contents in each concrete under sealing and drying conditions were carried out. The results show that the development ...
Modeling and Analysis of a Precise Multibeam Flexural Pivot
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The center shift, a common problem existing in rotating flexural pivots, is diminished in a multibeam flexural pivot by the internal interaction among these beams. The objectives of this paper are to develop a model for ...
Parametric Investigation of the Flight Performance of a Variable Rotor Pitch X-Configuration Quadrotor Aircraft
Publisher: ASCE
Abstract: To better understand and predict the flight performance of X-configuration quadrotor aircraft using variable rotor pitch and fixed rotor speed to control the aircraft, a flight performance tool including a rotor model, an ...
Sensitivity and Optimization Analysis of Design Wind Angle for Air-Cooled Power Plant
Publisher: American Society of Civil Engineers
Abstract: The layout of an air-cooled steam condenser (ACSC) has a great impact on a power plant’s operation. This is owed to the fact that the performance of the condenser and subsequently of the whole power plant is strongly ...
Development and Application of Water-Saving and Moisture-Retaining Membrane Made from Controllable High Polymer Materials for Concrete Curing
Publisher: American Society of Civil Engineers
Abstract: The conventional curing methods for cement concrete pavement have been frequently criticized for their high levels of water consumption, high labor intensity, high cost, nonuniform curing quality, and other problems. In ...
Introduction to a Third-Generation Automobile Steel and Its Optimal Warm-Stamping Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The medium-Mn steel is a promising third-generation automobile steel. Its chemical composition, microstructure, and thermal and mechanical properties are introduced and a warm-stamping process for the medium-Mn steel is ...
Influence Mechanism from the Inner Walkway on the Performance of an Air-Cooled Power Plant
Publisher: American Society of Civil Engineers
Abstract: In view of the sensitivity to the wind conditions, the architecture of the air-cooled steam condenser (ACSC) always affects the characteristics of the whole power plant. As a result, it is important to structure a reasonable ...
Investigation on Microstructure and Martensitic Transformation Mechanism for the Warm-Stamped Third-Generation Automotive Medium-Mn Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With the development of the automotive industry, the application of the high-strength steel (HSS) becomes an effective way to improve the lightweight and safety. In this paper, the third-generation automotive medium-Mn ...
Failure Mechanism of Highly Stressed Rock Mass during Unloading Based on the Stress Arch Theory
Publisher: American Society of Civil Engineers
Abstract: During excavation unloading, highly stressed rock masses at great depth exhibit failure modes with different scales, for instance, zonal disintegration, rockbursts, and super-low friction. The root cause of the failure ...
Numerical Investigation on Tip Clearance Leakage Control for a Radial Turbine With Tip Control Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a novel tip clearance control structure, the tip control hole (TCH), is proposed, which is appropriate for the radial turbines with the characteristics of low manufacturing cost, thin blade, insufficient tip ...