Results 71 to 80 of about 2,645,404 (161)

Evaluierungspraxis in der deutschen Entwicklungszusammenarbeit: Umsetzungsmonitoring der letzten Systemprüfung und Charakterisierung wesentlicher Elemente [PDF]

, 2015
Der vorliegende Bericht zur „Evaluierungspraxis in der deutschen Entwicklungszusammenarbeit. Umsetzungsmonitoring der letzten Systemprüfung und Charakterisierung wesentlicher Elemente“ stellt einen von zwei Untersuchungsbereichen des am DEval ...
Lücking, Kim, Bettighofer, Simon, Freund, Simon   +2 more
core   +2 more sources

Thermal–environmental effects on degradation of railway ballast aggregates: a climate change perspective

Railway Engineering Science
Climate change represents one of the most significant challenges affecting the behavior of materials and infrastructures. This phenomenon can lead to excessive increases or decreases in temperature, heightened sandstorms, increased sulfate attacks and ...
Hamidreza Heydari, Morteza Esmaeili, Sina Nadermohammady   +2 more
doaj   +1 more source

Comparison of the Permeability of Potential Ballast Rocks from Northern Rio de Janeiro State under Different Fouling Rates after Sodium Sulfate Attack. [PDF]

Materials (Basel), 2023
Souza RN, de Castro Xavier G, da Costa KOB, Alexandre J, Ribeiro RP, de Azevedo ARG.   +5 more
europepmc   +1 more source

Evaluating the effect of mineralogy and mechanical stability of recycled excavation materials by Los Angeles and micro-Deval test

Eleventh International Conference on the Bearing Capacity of Roads, Railways and Airfields, Volume 1, 2021
S. Adomako, R. T. Thorstensen, N. Akhtar, M. Norby, C. J. Engelsen, T. Danner, D. Barbieri   +6 more
semanticscholar   +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  

Micro-Deval Coarse Aggregate Test Evaluation

00815760N/A2001Final ReportPDFTech ReportSR 547Aggregate testsAbrasion testsPavement performanceStudded tiresLos Angeles abrasion testingMicro-Deval testingUnited StatesOregonOregon. Dept. of Transportation. Research GroupHunt, Elizabeth A.Oregon.

core   +1 more source

Use of the Micro-Deval test for assessing the durability of Virginia aggregates. [PDF]

Aggregate is one of the most widely used construction material, and the key aspect of aggregate quality is durability. In this study, the Micro-Deval test, a new test developed in France and modified by Canadians, was studied to evaluate its suitability
Hossain, M. Shabbir,, Schmidt, Benjamin Neale, Lane, D. Stephen, Virginia Transportation Research Council (VTRC), Virginia. Dept. of Transportation   +4 more
core  

The prediction of coarse aggregate performance by micro-Deval and other soundness, strength, and intrinsic particle property tests [PDF]

, 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
Lang, Alexander Paul
core   +1 more source

Ballast wear: Insight from the discrete element-simulation of tracks and micro-deval tests

, 2016
cited By 0International audienceThroughout the life of a track, ballast grains wear as a result of both the trains passing over the track and the maintenance operations (tamping).
Deiros, I., Voivret, C., Combe, G., Emeriault, F.   +3 more
core   +1 more source

Co-circulation of all the four Dengue virus serotypes during 2018-2019: first report from Eastern Uttar Pradesh, India. [PDF]

PeerJ, 2023
Behera SP, Bhardwaj P, Deval H, Srivastava N, Singh R, Misra BR, Agrawal A, Kavathekar A, Kant R.   +8 more
europepmc   +1 more source