Results 51 to 60 of about 1,325,756 (242)

Three-dimensional numerical simulation of local scour around circular bridge pier using Flow-3D software

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
The problem of local scouring around circular bridge pier has been studied numerically by Computational Fluid Dynamics (CFD) using Flow-3D model to represent the evolution of local scour and the maximum depth of the scour hole which is important in the ...
H. K. Jalal, W. Hassan
semanticscholar   +1 more source

The Non‐Professional Virtues of the Hospice Volunteer

open access: yesJournal of Applied Philosophy, EarlyView.
ABSTRACT Volunteers have long played a significant role in hospice care. Much of the care volunteers provide consists of weekly hour‐long in‐home visits. Home‐visiting hospice volunteers are not professionals, nor are they strangers or intimates. Hospice volunteers will not typically face moral dilemmas, nor be called upon to make dramatic decisions ...
Michael B. Gill
wiley   +1 more source

Design, Analysis, and Experimental Validation of a Variable‐Gap Magnetorheological Damper for Seat Suspension

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT To address the dual challenges of routine driving vibration and impact loads in vehicle seat suspensions, a novel variable‐gap magnetorheological damper (VGMRD) is proposed. By combining a tapered piston with a conformal variable‐diameter cylinder, stroke‐dependent, dual‐mode damping characteristics are achieved without the need for complex ...
Min Wei   +4 more
wiley   +1 more source

Near-Fault Seismic Response Analysis of Bridges Considering Girder Impact and Pier Size

open access: yesMathematics, 2021
Given the influence of near-fault vertical seismic action, we established a girder-spring-damping-rod model of a double-span continuous girder bridge and used the transient wave function expansion method and indirect modal function method to calculate ...
Wenjun An, Guquan Song, Shutong Chen
doaj   +1 more source

Isolation, Insularity and Resilience: A Review of the Geophysical, Socioeconomic, and Environmental Vulnerabilities of Gran Canaria and Lesvos Islands for Policy Interventions to Global Change

open access: yesSustainable Development, EarlyView.
ABSTRACT The dynamic nature of small islands being geographically isolated and their perceived connectedness with global networks complicates research attempts to draw general conclusions on whether insularity leads to marginalization or strengthens their resilience for sustainable development.
Toheeb Lekan Jolaosho   +2 more
wiley   +1 more source

Impacts of bridge-pier types on balancing ice jams: an experimental study

open access: yesShui kexue jinzhan, 2018
The presence of ice jam increases the possibility of upstream water level, which can easily trigger ice jam flooding. Bridge pier types can significantly influence backwater heights.
WANG Jun   +3 more
doaj   +1 more source

Simulation of debris flow impacting bridge pier tests based on smooth particle hydromechanics method

open access: yesRock and Soil Mechanics, 2021
In this paper, a three-dimensional numerical simulation model is established based on smooth particle hydrodynamics (SPH) method. In this model, the dynamic behavior of debris flow is described by using the Bingham fluid model, and the bridge pier is ...
LIANG Heng   +5 more
doaj   +1 more source

How Aware Are Consumers of Water Used in Agri‐Food Products? Exploring the Misconception Between the Perceived and the Actual Water Footprint

open access: yesSustainable Development, EarlyView.
ABSTRACT Understanding the environmental impact of food production is critical to promoting sustainable consumption patterns. This study explores the gap between consumers' perceived water footprint (PWF) and the actual water footprint (AWF) of selected agri‐food products in Italy, including crop‐ and animal‐based products. A survey conducted through a
Leonardo Agnusdei   +3 more
wiley   +1 more source

Leaning Bridge Piers

open access: yesJournal of the National Academy of Forensic Engineers, 1987
Relocation of a major county road in the Midwest required the construction of a five-span, 3 19 foot long bridge over a creek. Each pier consisted of a reinforced concrete panel 56 feet high, 22 feet wide and 2 feet thick, with a top cap and a footing.
openaire   +1 more source

Bridge pier shape influence on wood accumulation: Outcomes from flume experiments and numerical modelling

open access: yesJournal of Flood Risk Management, 2020
Streamwood accumulation at bridges exerts additional forces to bridge structures and may aggravate flooding, local scouring, and eventually may lead to bridge collapse.
P. N. De Cicco   +3 more
semanticscholar   +1 more source

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