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RISStudy on Spatial Structure of Yangtze River Delta Urban Agglomeration and Its Effects on Urban and Rural Regions
Publisher: American Society of Civil Engineers
Abstract: The Yangtze River delta urban agglomeration of China has experienced a significant development bloom in the last 30 years. To explore the spatial structure, a series of methods have been applied in this study: a mathematical ...
Eigenvalue Problem from the Stability Analysis of Slopes
Publisher: American Society of Civil Engineers
Abstract: Of the existing methods for the three-dimensional (3D) limit equilibrium analysis of slopes, none can simultaneously satisfy all six equilibrium equations. Except for Fellenius’ method that satisfies only one condition of ...
Effective Medium Approach for Evaluating the Oxygen Diffusivity of Concrete
Publisher: American Society of Civil Engineers
Abstract: In view of the importance of the diffusion of oxygen molecules in concrete to the durability assessment and design of reinforced concrete structures located in a marine or deicing salt environment, it is essential to ...
Design Guide for Semirigid Pavements in China Based on Critical State of Asphalt Mixture
Publisher: American Society of Civil Engineers
Abstract: Semirigid pavement is a type of pavement structure in which a semirigid base layer, usually made up of cement-treated base (CTB) or cement-stabilized base (CSB), is overlaid with a top flexible layer of asphalt mixture. ...
Spatial Structure of the Changsha–Zhuzhou–Xiangtan Urban Agglomeration Based on Dynamic Simulation Analysis
Publisher: American Society of Civil Engineers
Abstract: This paper proposes the dynamic simulation analysis on the basis of summarizing the international theories and methods of urban agglomeration spatial analysis, and uses this analysis on the Changsha–Zhuzhou–Xiangtan urban ...
Unbiased Estimation of Autocorrelations of Daily Meteorological Variables
Publisher: American Meteorological Society
Abstract: A new method is proposed for estimation of autocorrelations from daily values of a continuous meteorological variable (e.g., temperature) over a selected period for many years. It has the following two advantages over the ...
Analysis of Controllable Stress Distribution and Optimal Design of Flat Steel Ribbon Wound Pressure Vessel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Stress distribution of high pressure vessel wall is not even. How to appropriately distribute stresses on high pressure vessel wall is our goal. It can be realized in flat steel ribbon wound ...
New Method for Design of Flat Steel Ribbon-Wound Pressure Vessels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It has been observed that the degree of contact between layers and the residual stresses caused by pre-tension winding of ribbons does not influence bursting pressure of flat steel ribbon-wound ...
Theoretical Understanding of the Linear Relationship between Convective Updrafts and Cloud-Base Height for Shallow Cumulus Clouds. Part I: Maritime Conditions
Publisher: American Meteorological Society
Abstract: AbstractZheng and Rosenfeld found linear relationships between the convective updrafts and cloud-base height zb using ground-based observations over both land and ocean. The empirical relationships allow for a novel satellite remote sensing...
Comparing the Real-Time Searching Behavior of Four Differential-Evolution Variants Applied to Water-Distribution-Network Design Optimization
Publisher: American Society of Civil Engineers
Abstract: Differential evolution (DE) algorithms have been successfully used to handle a wide range of water resource optimization problems in recent years. The relative performance of various DE variants has been typically assessed ...