Results 51 to 60 of about 617 (174)

Synthesis and Catalytic Applications of Advanced Sn‐ and Zr‐Zeolites Materials

Advanced Science, Volume 11, Issue 11, March 20, 2024.
This review summarizes the synthesis strategy and catalytic applications of Sn‐ and Zr‐containing metallosilicate materials, which focus on the effect of zeolite characteristics on their superior catalytic performances. The conclusions, challenges, and future directions of Sn‐ and Zr‐zeolites are also discussed.
Xue Liu, Zhiguo Zhu
wiley   +1 more source

Predictive Analytics in Construction: Multi-Output Machine Learning Models for Abrasion Resistance

Buildings
This study aims to accurately predict abrasion resistance, measured through the Los Angeles (LA) abrasion test, and modulus of elasticity, assessed using the Micro-Deval Abrasion (MDA) test, to support structural integrity and efficient material use in ...
Shaheen Mohammed Saleh Ahmed, Hakan Güneyli, Süleyman Karahan   +2 more
doaj   +1 more source

SPECIFIC ASSESSMENT METHOD OF RAILWAY BALLAST PARTICLE DEGRADATION BASED ON UNIQUE LABORATORY TEST

Nauka ta progres transportu, 2018
Purpose. There are specific, standardized laboratory test methods to assess railway ballast particle degradation; they are the Los Angeles (EN 1097-2) and the Micro-Deval abrasion (EN 1097-1) tests. These testing methods can’t take into consideration the
S. Fischer, A. Nemeth, D. Harrach, E. Juhasz   +3 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

Geopolymerization of Recycled Glass Waste: A Sustainable Solution for a Lightweight and Fire-Resistant Material

Recycling
Glass is considered a sustainable material with achievable recovery rates within the EU. However, there are limited data available for construction glass waste management.
Marios Valanides, Konstantinos Aivaliotis, Konstantina Oikonomopoulou, Alexandros Fikardos, Pericles Savva, Konstantinos Sakkas, Demetris Nicolaides   +6 more
doaj   +1 more source

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

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

Ringanalyser 2012 for kulemølle, micro-Deval, Los Angeles og flisighetsindeks [PDF]

, 2014
I 2012 ble det i Norge utført en større ringanalyse med 17-21 deltakende laboratorier. Statens vegvesen tilberedte alt prøvematerialet, slik at forbehandlingen ble lik.
Ulvik, Arnhild
core  

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

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