Evaluation of Asphalt Mix with Dolomite Aggregates for Wearing Layer

Šernas, Ovidijus; Vorobjovas, Viktoras; Šneideraitienė, Lina; Vaitkus, Audrius

doi:10.1016/j.trpro.2016.05.340

Cited by 17 publications

(12 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Based on the obtained research results, it was found that dolomite aggregate has good adhesion (approximately 90%), and porphyry—poor adhesion (about 30%) [13]. The suitability of high-quality dolomite aggregates for asphalt mixtures has also been confirmed in other studies [14].…”

Section: Introductionmentioning

confidence: 71%

“…Therefore, the tested aggregates meet the requirements of technical specification presented above for all categories of traffic (Table 4). The shape index and flatness index are related to the resistance of asphalt surface to permanent deformations, which was also described in [14]. It is recommended to use aggregates with shape indexes SI 20 and FI 20 .…”

Section: Discussionmentioning

confidence: 99%

“…Ovidijus Šernas et al [14] showed in their research that the affinity of asphalt modified with PMB 45/80-55 polymer was higher for dolomite (85%) than for granite (80%). In our research, these values are much lower.…”

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Physical Properties of Mineral and Recycled Aggregates Used to Mineral-Asphalt Mixtures

2019

View full text Add to dashboard Cite

This article presents test results and examines the possibilities of using aggregate from ceramic waste for mineral-asphalt mixtures. In addition, the mineral composition, physical and mechanical properties of aggregates from natural raw materials such as dolomite, granodiorite and waste ceramic aggregate (introduced as a partial substitute for the main aggregate) were analyzed. The shape of grains was examined by determining the shape and flatness index of aggregates, resistance to grinding and frost resistance. The tested properties have a direct impact on the durability of road surfaces. To this end, the adhesion of asphalt to the surface of the aggregates used was additionally determined. Determination of surface roughness and two-dimensional (2D) topography of tested aggregates was carried out. The aggregates microstructure examination, coupled with the energy-dispersive X-ray spectroscopy (EDS) analysis, was conducted to determine the morphology and texture of the aggregates as well as to identify the basic chemical components.

show abstract

Section: Introductionmentioning

confidence: 71%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Physical Properties of Mineral and Recycled Aggregates Used to Mineral-Asphalt Mixtures

2019

View full text Add to dashboard Cite

show abstract

“…Viena iš mineralinių medžiagų, naudojamų kelių tiesyboje, yra dolomito skalda (Haritonovs ir Tihonovs, 2014;Šernas et al, 2016;Vaitkus ir Vorobjovas, 2015). Pastaruoju metu taikant specialiąsias kasimo technologija Lietuvoje išgaunama stipresnė dolomito skalda, kurios mechaninės savybės panašios į granito (Šernas et al, 2016).…”

Section: įVadasunclassified

Mineralinių Medžiagų Mechaninių Savybių Tyrimai, Analizė Ir Vertinimas / Research, Analysis, and Evaluation of Mechanical Properties of Aggregates

Šneideraitienė

Žilionienė

2018

Science - Future of Lithuania

Self Cite

View full text Add to dashboard Cite

The two Baltic countries, Lithuania and Latvia, use asphalt mixtures with granite slag that is imported from other countries to install the top layer of asphalt pavement, which is quite expensive. One of the requirements for aggregates used in road construction is mechanical properties. There are some differences between these countries based on national requirements. The article presents test methods for determining the mechanical properties of aggregates. According to them, the mechanical properties of aggregates were tested: resistance to fragmentation, wear, polishing and to wear by abrasion from studded tyre. Tested aggregates were Lithuanian dolomite quarry stone, which was made based on the developed and common technologies as well as imported granite from Ukraine. The analysis and evaluation of the test results have been carried out by the requirements for mineral aggregates of Lithuania and Latvia. Santrauka Dvi Baltijos šalys, Lietuva ir Latvija, asfalto dangos viršutiniam sluoksniui įrengti naudoja asfalto mišinius su granito skalda, kuri importuojama iš kitų šalių, o tai gana brangu. Vienas iš reikalavimų mineralinėms medžiagoms, naudojamoms kelių tiesyboje, yra mechaninės savybės. Jos minėtose šalyse pagal nacionalinius normatyvinius reikalavimus šiek tiek skiriasi. Straipsnyje pateikti mineralinių medžiagų mechaninių savybių nustatymo bandymo metodų aprašai. Pagal juos atlikti skaldų mechaninių savybių bandymai: atsparumas smūgiams, trupinimui, dėvėjimuisi, poliruojamumui (LST EN 1097-8:2009. Bandymai užpildų mechaninėms ir fizikinėms savybėms nustatyti. 8 dalis. Akmens poliruojamumo nustatymas) bei dygliuotoms padangoms. Ištirtos skaldos yra Lietuvos dolomito karjero skalda, pagaminta pagal patobulintą ir įprastą technologijas, bei granito skalda iš Ukrainos. Atlikta gautų bandymų rezultatų analizė bei vertinimas pagal Lietuvos ir Latvijos reikalavimus mineralinėms medžiagoms.

show abstract

“…Feng [3] found that wearing course mixtures prepared with waste ceramic aggregates have better skid resistance than traditional wearing course mixtures. Ovidijus [4] evaluated the surface friction performance of the wearing course mixture with Dolomite aggregates. It is found that, as they account for more than 90% of the total pavement materials, aggregates directly affect the skid resistance of a road surface.…”

Section: Introductionmentioning

confidence: 99%

An Investigation of the Polishing Behavior of Calcined Bauxite Aggregate

Guan

Liu

et al. 2019

Coatings

View full text Add to dashboard Cite

The application of top-grade calcined bauxite to improve the skid resistance of pavement surface coatings increases construction costs and causes excessive tire wear. Therefore, it is necessary to investigate the polishing behavior of different grades of calcined bauxite aggregate. The polished stone value of calcined bauxite was measured after the standard polishing time and the extended polishing time. The Los Angeles (L.A.) abrasion and the crushing value, profile roughness, hardness, X-ray diffraction, and micromorphology were also tested. The results showed that the calcined bauxite above 75# (the ratio of corundum to mullite by weight, C/M > 1) satisfied the requirement of the ultra-thin friction course. Compared with basalt, the calcined bauxite above 80# (C/M > 3) has better long-term skid resistance, even though the pavement surface is subject to heavier traffic. Due to the higher cohesion of lower porosity, more hard minerals to keep the surface roughness, and less soft minerals to smooth the surface roughness, calcined bauxite with a higher corundum content has the better skid resistance. There is a power law relationship between C/M and Polished Stone Value (PSV). Considering the diminishing returns of higher-grade calcined bauxite, it is necessary to accurately select the appropriate C/M of calcined bauxite before use in pavement surface coatings.

show abstract

Evaluation of Asphalt Mix with Dolomite Aggregates for Wearing Layer

Cited by 17 publications

References 5 publications

Physical Properties of Mineral and Recycled Aggregates Used to Mineral-Asphalt Mixtures

Physical Properties of Mineral and Recycled Aggregates Used to Mineral-Asphalt Mixtures

Mineralinių Medžiagų Mechaninių Savybių Tyrimai, Analizė Ir Vertinimas / Research, Analysis, and Evaluation of Mechanical Properties of Aggregates

An Investigation of the Polishing Behavior of Calcined Bauxite Aggregate

Contact Info

Product

Resources

About