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RISAn Experimental and Numerical Study of the Low‐Pressure Grouting of Granular Soils by Diluted Chemical Solutions
Publisher: American Society of Civil Engineers
Abstract: The use of silicate solutions for the low‐pressure grouting of granular soils is one of the techniques applicable in geotechnical engineering to reduce the “natural” hydraulic conductivity of granular deposits. This provision ...
Finite-Element Approach to the Erosion and Transport of Fine Particles in Granular Soils
Publisher: American Society of Civil Engineers
Abstract: The increase of the water table level presently occurring in the city of Milan led to some leakage of groundwater in underground facilities and subway tunnels. These structures, in fact, were completed about three decades ...
Back-Analysis Approach for the Design of Drainage Systems
Publisher: American Society of Civil Engineers
Abstract: The geotechnical design of drainage or dewatering systems requires a free surface seepage analysis to evaluate the water flux that corresponds to the sought lowering of the water table. It is observed in practice that ...
Hole Damage in Drilling of Reactive Powder Concrete
Publisher: American Society of Civil Engineers
Abstract: This study deals with the analysis of hole damage in the drilling of reactive powder concrete (RPC). Attention was first focused on the definition of an original approach on the basis of digital image processing (DIP) to ...
An Investigation of the Boundary Layer Dynamics of Sardinia Island under Sea-Breeze Conditions
Publisher: American Meteorological Society
Abstract: A numerical mesoscale model is used to study the wind field and the boundary layer structure of the island of Sardinia during typical summer conditions. The numerical model is three-dimensional and employs a higher-order ...
Numerical Evaluation of the Surface Displacements due to Soil Grouting and to Tunnel Excavation
Publisher: American Society of Civil Engineers
Abstract: The low-pressure grouting with cement mixtures is one of the techniques adopted for improving the mechanical characteristics of granular soils prior to the excavation of underground openings. When applied to shallow subway ...
Influence of Boundary Conditions in a Finite-Element Analysis of River Levees
Publisher: American Society of Civil Engineers
Abstract: The effects of boundary conditions on the stability of a river levee built on a low-permeability soil layer overlying a coarse-grained deposit were studied by using the finite-element method (FEM). The FEM analyses could ...
Recent Evidence of Large-Scale Receding Snow Water Equivalents in the European Alps
Publisher: American Meteorological Society
Abstract: now plays a critical role in the water cycle of many mountain regions and heavily populated areas downstream. In this study, changes of snow water equivalent (SWE) time series from long-term stations in five Alpine countries ...
Development of a Key Performance Indicator Assessment Methodology and Software Tool for Product-Service System Evaluation and Decision-Making Support
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During the last decade, as a result of their constant urge to retain sustainability, companies have shifted to the product-service system (PSS) business model, in an effort to gain competitive advantages. PSS providers ...
Design of Complex Engineered Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Many past editorials have discussed definitions of design, pointing out the wide variation across individuals and industries. We adhere to a definition that recognizes design to be a matter of ...