Results 151 to 160 of about 888,293 (179)

Results of Micro-Deval Test for Coarse Aggregates from Virginia Sources

Transportation Research Record, 2008
Aggregate is the most widely used construction material, and a key aspect of aggregate quality is durability. In this study, the Micro-Deval test was studied to evaluate its suitability for assessing the durability of coarse aggregates from Virginia sources.
M. Shabbir Hossain, D. Stephen Lane, Benjamin N. Schmidt   +2 more
exaly   +2 more sources

Mechanical Degradation of Aggregate by the Los Angeles-, the Micro-Deval- and the Nordic Test Methods

Rock Mechanics and Rock Engineering, 2011
The quality of aggregate used as buildings materials is defined by European Standard test methods. According to the agreement within the European Economic Area, each individual country decides test methods of current interest. Among the Nordic countries, the Los Angeles-, micro-Deval- and the Nordic test are the most common methods used to decide the ...
E. Erichsen, A. Ulvik, K. Sævik
exaly   +2 more sources

Ballast Wear: Insight from the Discrete Element Simulation of Tracks and Micro-Deval Tests

Civil-Comp Proceedings, 2016
cited By 0 ; International audience ; Throughout the life of a track, ballast grains wear as a result of both the trains passing over the track and the maintenance operations (tamping). The morphology of the grains is changed: they lose angularity and fine particles are produced, causing a gradual loss of track performance.
Deiros, I., Voivret, C., Combe, G., Emeriault, F.   +3 more
openaire   +3 more sources

Evaluation of aggregate resistance to wear with Micro-Deval test in combination with aggregate imaging techniques

Wear, 2015
Abstract The Micro-Deval test (MD) is a standard procedure used to measure the resistance of aggregate materials to polishing abrasion; the results are related to the skid resistance of road surfaces. The purpose of the current work was to establish a correlation between the Micro-Deval test results on 11 different aggregates and their morphological ...
Dawei Wang, Hainian Wang, P Christian Schulze   +2 more
exaly   +2 more sources

Predicting coarse aggregate performance using the micro-Deval test with strength and intrinsic particle property tests

, 2005
Numerous tests exist in the field of aggregate qualification which have little to no relation to field performance. Many aggregate sources have been restricted in their use due to non-conforming results from a test that has little relation to field performance.
Hampel, Kevin William
openaire   +3 more sources

Micro-Deval Testing of Aggregates in the Southeast

Transportation Research Record: Journal of the Transportation Research Board, 2003
Aggregate used in hot-mix asphalt (HMA) must be tough and durable, not only to withstand the effects of HMA production, transportation, and construction but also to resist the effects of traffic and the environment. Historically, the Los Angeles abrasion and impact test has determined the toughness of aggregates.
L. Allen Cooley, Robert S. James
openaire   +1 more source

Micro-Deval Test for the Assessment of Bituminous Aggregate Durability

Journal of ASTM International, 2007
Abstract Bituminous aggregates from a total of 52 sources located in Texas, Oklahoma, Arkansas, New Mexico, and Missouri were evaluated using both Micro-Deval and magnesium sulfate soundness tests. Each aggregate was also characterized using petrography, absorption, and specific gravity.
PW Jayawickrama, MS Hossain, F Phillips
openaire   +1 more source

Adaptation of the Micro-Deval Test for Assessing the Surface Weathering Degree of Granite

Journal of ASTM International, 2009
Abstract The paper summarizes recent results obtained from a new wear test performed on fresh and artificially aged rocks. Four different types of granitic rocks with different mineral compositions and grain sizes were selected for this study.
Takarli, Mokhfi, Phelipot-Mardelé, Annabelle, Prince, William   +2 more
openaire   +3 more sources

Assessing the Micro-Deval Test for Compacted Dense-Graded Asphalt

Advances in Civil Engineering Materials, 2019
Abstract In recent years, the asphalt industry has been increasingly evaluating mixture testing for a variety of purposes. This article assesses the Micro-Deval (MD) test for its ability to evaluate compacted dense-graded asphalt mixtures. Historically, the MD test has been used to evaluate durability characteristics of loose aggregates,
Rabeea W. Bazuhair, Jonathan Easterling, Ben C. Cox, Isaac L. Howard   +3 more
openaire   +1 more source

Modified Micro-Deval Procedure for Evaluating the Polishing Tendency of Coarse Aggregates

Transportation Research Record: Journal of the Transportation Research Board, 2011
Coarse aggregates in asphalt concrete should be tough and durable to withstand hot-mix asphalt production, transportation, construction, traffic loads, and environmental effects. The morphology of such aggregates plays an important role in aggregates' mechanical properties and influences asphalt pavement skid resistance, an essential characteristic of ...
D. Stephen Lane, Cristian Druta, Linbing Wang, Wenjing Xue   +3 more
openaire   +1 more source