Results 61 to 70 of about 29,239 (203)

Multi‐level fatigue reliability assessment of reinforced concrete railway bridges

Structural Concrete, EarlyView.
Abstract This paper presents a multi‐level reliability framework for assessing the fatigue life of reinforced concrete (RC) railway trough bridges subjected to cyclic loading. The framework incorporates increasing levels of analytical complexity and real‐world data in four steps. First, an analytical model applies S–N curves and the Palmgren–Miner rule
Silvia Sarmiento, Jaime Gonzalez‐Libreros, Chao Wang, Lennart Elfgren, Ola Enoksson, Tommy Höjsten, Lars‐Olof Andersson, Gabriel Sas   +7 more
wiley   +1 more source

DEM Modelling on the Interface Behavior of Geogrid-Stabilized Sub-Ballast

, 2022
This paper presents a study on the interface behavior of geogrids and sub-ballast (capping) using a series of large-scale direct shear tests and discrete element modelling (DEM). Direct shear tests were carried out on sub-ballast with and without geogrid
Buddhima Indraratna (20180526), Trung Ngo (20257041), Cholachat Rujikiatkamjorn (20250396)   +2 more
core   +1 more source

Modelling of elastoviscoplastic properties of the subgrade. Problem statement 1

Вестник Научно-исследовательского института железнодорожного транспорта, 2016
A brief analysis of the physical and mechanical properties of materials, used in the construction of the rail bed, has shown that in scientific and technical literature there is scattered unsystematic information obtained under different physical ...
V. M. Bel’Kov
doaj   +1 more source

Sustainable Development Goals Applied to the Maritime Transportation Sector: Setting Sail for the Future

Natural Resources Forum, EarlyView.
ABSTRACT The 2030 Agenda for Sustainable Development aims to eradicate poverty, protect the environment, and promote prosperity through 17 Sustainable Development Goals (SDGs). Achieving these goals requires a multi‐sectoral approach. Maritime transportation, vital to the global economy, significantly contributes to several SDGs and plays a strategic ...
Cátia Sousa, Ana Brasão, Tiago Silva, Stanislau Tserashkovich   +3 more
wiley   +1 more source

Mortars From Punic and Hellenistic–Roman Solunto: Materials, Formulations, and Technology

Archaeometry, EarlyView.
ABSTRACT This study presents an archaeometric investigation of 18 hydraulic rendering and bedding mortars from Punic and Hellenistic–Roman Solunto (NW Sicily). The research aimed to characterize raw materials, reconstruct manufacturing sequences, and evaluate technological proficiency through mineralogical and petrochemical analyses.
G. Montana, G. Polizzi, C. Portale, M. Gasparo Morticelli, L. Randazzo   +4 more
wiley   +1 more source

Which Decolonization? Theorizing Decolonization beyond Decoloniality and its Critics

Development and Change, EarlyView.
ABSTRACT The debate on decolonial thought has reached an unhelpful stalemate. A core problem in assessing decolonial thought is that the term ‘decolonization’ has been stretched so widely that it now allows for many competing uses. For some critics of decolonial thought such as Nigerian philosopher Olúfẹ́mi Táíwò, this overuse points to conceptual ...
David Myer Temin
wiley   +1 more source

Hybrid DEM-FDM Modelling of Ballasted Railway Track Performance

Infrastructures
The performance of ballasted railway tracks under cyclic loading is a critical issue in urban railway systems, where high traffic frequency and geometric constraints accelerate track degradation, leading to the accumulation of plastic deformations that ...
Nohemí Olivera, Juan Manuel Mayoral
doaj   +1 more source

Impact of Interprofessional Simulation on Health Students' Self‐Reported Attitudes Towards Older Adults: A Pre‐Post Questionnaire‐Based Study

European Journal of Dental Education, EarlyView.
ABSTRACT Background Aging simulation may promote the knowledge and skills of healthcare providers and students. We hypothesized that interprofessional simulation related to the care of older adults could influence healthcare students' self‐reported attitudes towards older patients. Materials and Methods Interprofessional role‐play simulations dedicated
Sophie Prissette, Vanessa Bloch, Olivier Bourdon, Sandrine Masseron, Aline Hartmann, Marie‐Violaine Berteretche, Hélène Van Hille, Sophie Leignel, Nejma Batikhy, Teddy Jametal, Adeline Braud   +10 more
wiley   +1 more source

Characterization of Acoustic Resonance in a High Pressure Sodium Lamp [PDF]

, 2010
With the last decades, the high pressure sodium (HPS) lamp has been supplied in high frequency in order to increase the efficacy of the lamp/ballast system.
Labo Chhun, Sounil Bhosle, Chhun, Labo, Maussion, Pascal, Bhosle, Sounil, Pascal Maussion, Zissis, Georges, Georges Zissis   +7 more
core   +1 more source

Research on large-scale triaxial tests of TDA-modified ballast with different shapes

Yantu gongcheng xuebao
Ballast mixed with tire-derived aggregate (TDA) is a novel method for improving the track bed, which has advantages of promoting performance of ballasted track infrastructure and enhancing the utilization rate of solid waste.
CHANG Jianmei 1, CHEN Gaoming 1, WANG Ai 1, FENG Huaiping 1, CUI Ying 2
doaj   +1 more source