Results 61 to 70 of about 888,293 (179)

Laboratory and numerical analysis for enhanced ballast performance: towards sustainable railway track pavement design

Transportes
The physical and mechanical characterization of rock materials is a crucial step for their applicability as a railway ballast layer. However, most of the standardized tests for such characterization do not have direct application for the ballast layer ...
Andre Fardin Rosa, Stefanie de Carla Dias de Carla Dias, Wescley Silva Brito, Robson Correia Costa, Edson de Moura, Liedi Légi Bariani Bernucci, Rosângela dos Santos Motta   +6 more
doaj   +1 more source

Evaluierung aus der Vogelperspektive: Innovativer Einsatz von Fernerkundungstechniken [PDF]

, 2022
Eine systematische Nutzung von RS-Daten ermöglicht durch Hinzunahme einer räumlichen Dimension eine bessere Beantwortung der Evaluierungsfragen. In diesem Policy Brief wird der methodische Ansatz von DEval zur Analyse von hochauflösenden RS-Daten unter ...
Lech, Malte, Ghaffarian, Saman, Kerle, Norman, Leppert, Gerald   +3 more
core  

Degradation of granulite and charnockite aggregates under simulated train loading: Morphological and mechanical insights for railway ballast

Journal of Materials Research and Technology
The performance of railway ballast strongly depends on the mineralogical and morphological characteristics of the aggregates. However, little is known about the behavior of regional rocks in Rio de Janeiro, Brazil, under manipulation caused by railway ...
Jheyce de Souza Moreira Oliveira, Gustavo de Castro Xavier, Kelly de Oliveira Borges da Costa, Mariana Gomes Pinto Cherene, Rogério Pinto Ribeiro, Sergio Neves Monteiro, Afonso Rangel Garcez de Azevedo   +6 more
doaj   +1 more source

The Prediction of Coarse Aggregate Performance by Micro-Deval and Soundness Related Aggregate Tests

, 2006
This research project concentrated on determining whether or not a correlation existed between laboratory aggregate tests and observed aggregate field performance. For this purpose, aggregate samples were collected from the majority of the U.S. states as
Range, Peter H., Allen, John J., Lange, Alexander, Fowler, David W.   +3 more
core   +1 more source

Construcción del aparato micro deval para la determinación del desgaste a la abrasión por fricción de los agregados utilizados en capas de pavimentos [PDF]

, 2021
El desarrollo económico de una nación está directamente relacionado con la calidad de su red vial. En este sentido, se torna importante el estudio de los materiales utilizados en las capas de pavimentos a fin de garantizar la durabilidad de los mismos.
Bareño Urueña, Victor Eli, Rojas Vargas, Daniel Eduardo, Aponte Monsalve, David Julian   +2 more
core  

jfriedman-micro/interaction_stability_analysis: Initial_release

, 2023
Code and data used for analyzing how much interactions change when the environment (carbon source) or on of the interacting species ...
jfriedman-micro
core   +1 more source

A Preliminary Investigation into the Performance of Artificial High Friction Aggregates Manufactured Using Geopolymer Cement-Based Mortars

Infrastructures
Despite local and national road authorities striving to provide motorists with a durable and safe infrastructure environment, one in six UK roads are currently classed as being in poor condition.
Allistair Wilkinson, Bryan Magee, David Woodward, Svetlana Tretsiakova-McNally, Patrick Lemoine   +4 more
doaj   +1 more source

Geotechnical Instabilities in Road Embankments: Analysis of a Landslide in Schistose Road Cut-and-Fill on the Taza-Al Hoceima Expressway, Northern Morocco

Iraqi Geological Journal
This article delves into the vital issue of geotechnical stability in road embankments, a crucial element for the integrity of road infrastructures and the safety of its users. It focuses on a specific case of landslide along the Taza-Al-Hoceima
Amine Akoudad, Kaoutar Bargach, Hicham El Asmi, Ahmed Zian, Aziz Hayati, Ibrahim Darkik, Mostafa El Qandil   +6 more
doaj   +1 more source

ALAT UJI MICRO DEVAL SEBAGAI ALTERNATIF PENGUJIAN DURABILITI AGREGAT

, 2018
Micro Deval telah dikembangkan di Eropa sebagai penguji keausan agregat, walau demikian dari salah satu spesifikasi yang berlaku di negara ini, nilai Micro Deval tidak hanya digunakan untuk mengklasifikasi tipe agregat, tetapi juga nilai Los ...
Widajat, Djoko
core  

Impact of Aggregate Characteristics on Frictional Performance of Asphalt-Based High Friction Surface Treatments

CivilEng
High Friction Surface Treatments (HFST) are recognized for their effectiveness in enhancing skid resistance and reducing road accidents. While Epoxy-based HFSTs are widely applied, they present limitations such as compatibility issues with existing ...
Alireza Roshan, Magdy Abdelrahman
doaj   +1 more source