Synergistic effects of recycled concrete powder, GGBFS, and basalt

This effect can also be amplified due to moisture absorption by BF and increased fiber-concrete friction during mixing [101]. Download: Download ... the binary blended basalt fiber reinforced recycled aggregate concrete (BFRRAC) comprising 15 % RCP and 85 % OPC achieved the highest flexural tensile strength, surpassing 100 % OPC-based BFRRAC. ...

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Improving skid-resistance durability of ultra-thin friction …

The ultra-thin friction course (UTFC) has emerged as an effective solution for restoring skid-resistance on worn pavements. However, the scarcity and high cost of high …

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Study on the skid resistance decay of submerged asphalt

The experimental results demonstrated that recycled steel slag not only effectively replaced basalt but also significantly improved pavement friction and durability, while providing …

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Investigation on anti-skid performance of asphalt mixture composed …

Wang et al. [14] and Liu et al. [15] blended with limestone and basalt, and believed that the attenuation rate of surface friction coefficient decreased after blending. However, due to the fine difference between the polished stone value of the aggregate and the polishing attenuation rate, it is difficult to highlight the advantages of ...

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(PDF) The impact of coarse aggregate mineral compositions …

Macroscopically, basalt exhibited the highest adhesive friction coefficient, followed by limestone and granite. At the molecular level, feldspar showed the highest micro-scale …

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Effect of coarse aggregate mineralogy on micro-texture deterioration

PSV is then calculated based on the residual friction measurement on the aggregate surface using British Pendulum tester. Studies [19], [20] found that the residual friction is influence by wheel related test parameters such as applied load, contact area, contact length and contact stress. ... For example, aggregates form basalt rock in general ...

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Evaluating the Anti-Skid Performance of Asphalt …

This study investigates the skid resistance performance of asphalt mixtures containing composite aggregates of basalt and limestone. The research aimed to predict the service life of the asphalt mixtures and identify the optimal …

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Effect of Fibers on the Performance of a Porous Friction Course

In this paper, the preparation of a porous friction course (PFC) with styrene–butadiene–styrene (SBS)-modified asphalt and fibers instead of a high-viscosity …

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Investigation on Bond Performance Between Basalt FRP …

700 S. Al Martini et al. (a) (b) Fig. 3 Sketchof testedspecimen. a Planview.b Longitudinal sectionshowing embedment length τ = P πLD (2) where, τ is maximum bond stress, P = ultimate tensile load, L is the embedment length, D is bar diameter. The maximum bond stress was calculated using the maximum pullout load and

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Aggregate Geometrical Features and Their …

Aggregate geometrical features directly affect asphalt pavement surface properties, which further affect the resistance to skidding of a road surface. In order to establish a relationship between the aggregate geometrical …

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Investigation on anti-skid performance of asphalt mixture …

Wang et al. [14] and Liu et al. [15] blended with limestone and basalt, and believed that the attenuation rate of surface friction coefficient decreased after blending. However, due to the fine difference between the polished stone value of the aggregate and the polishing attenuation rate, it is difficult to highlight the advantages of differential polish.

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The impact of coarse aggregate mineral compositions on …

Macroscopically, basalt exhibited the highest adhesive friction coefficient, followed by limestone and granite. At the molecular level, feldspar showed the highest micro-scale …

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Effect of calcium phosphate modification on the interfacial …

The coarse aggregate used was basalt aggregate provided by a local building materials factory in Hefei, ... Additionally, friction between the freshly hardened mortar and the blank RA further enhanced this locking effect. Fig. 7 (b) shows the surface morphology of the modified RA component after the bond strength test. The pores on the surface ...

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Abrasion resistance of ultra-high performance concrete with coarse

2.1 Materials. The raw materials used in all mixtures include Portland cement (strength grade of 42.5), silica fume, and quartz sand (0.1–2 mm). Commercial basalt and calcined bauxite aggregate with two grades (60% of 3–5 mm aggregate and 40% of 5–8 mm aggregate) were used (see Fig. 1) to produce UHPC.The tested relative densities of basalt and …

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Effect of nominal maximum aggregate size and aggregate gradation …

The aggregate component of asphaltic mixtures plays a significant role in pavement friction since aggregate constitutes approximately 95% by weight and 90% by volume of asphalt mixtures. ... than other aggregate sources, such as basalt, if being used in asphalt mixtures, and this can be seen in the studies conducted by Hussain et al. [27], ...

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Improving skid-resistance durability of ultra-thin friction …

Recently, the application of ultra-thin friction courses, UTFC (less than 10 mm thick) made of open-graded fine-grained basalt aggregates (particle size of 2.36 ∼ 4.75 mm) and high-viscosity emulsified asphalt has been widely adopted in high-grade highways and municipal roads in China, as shown in Fig. 1 (a) [8].It is used to replace the existing pavement to ensure …

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Study on the Performance of Epoxy-Modified Asphalt and …

Ultra-thin overlays (UTOL) are a standard highway pre-maintenance method used to improve the road surface performance of asphalt pavements and to repair minor rutting and cracking. However, the thin thickness makes it very sensitive to external changes, which increases its wear and shortens its life. So, this paper aims to prepare a durable and skid …

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HIGH FRICTION SURFACE TREATMENT ALTERNATIVE …

iv" " % ACKNOWLEDGEMENTS% % This"study"was"sponsoredby"the"Federal"Highway"Administrationunder"a" demonstrationprogram"managedby"The"Transtec"Group.""Special ...

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Interrelation of Physical and Mechanical Propertiesof …

Aggregate crushing value is a numerical index of the strength of the aggregate and it is used in construction of hydro-projects, roads and pavements. Crushing value of aggregates indicates its strength. This value should not be more 30% for aggregate to be used in concrete for wearing surfaces and 45% for non-wearing surfaces as per IS: 383-2016.

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Effect of nominal maximum aggregate size and aggregate gradation …

The aggregate component of asphaltic mixtures plays a significant role in pavement friction since aggregate constitutes approximately 95% by weight and 90% by volume of asphalt mixtures. ... which is mostly used in the roadway construction in Jordan rather than basalt, with three Nominal Maximum Aggregate Sizes (NMAS); 19 mm, 12.5 mm, 9.5 mm ...

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Influence of Morphological Characteristics of Coarse …

The research results show that with the increase in service time, the attenuation rate of skid resistance of asphalt pavement gradually slows down; the angularity of coarse aggregates …

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Laboratory evaluation of microwave heating and skid …

Long-term skid resistance of HFST was reduced by the addition of MT, however, HFST with MT substitution rate of 25% also maintained a terminal μ 40 and μ 60 above 0.7, which can provide higher friction comparable with other high friction aggregate such as taconite, basalt, emery and flint. To improve the deicing properties by microwave ...

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Engineering properties of basalt aggregates in terms of use …

Physical and mechanical properties of basalt aggregate offers advantages compared to limestone aggregates. Repeated load triaxial (RLT) test was used to determine …

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Using bauxite as alternative for coarse aggregate in asphalt …

As for basalt, the wear resistance and compressive performance are closed to that of 80# calcined bauxite, exceeding 70# and 75#. It may be inferred that the grade shows a significant impact on the performance of calcined bauxites. ... Research on anti-polishing performance attenuation regularity of high friction aggregate, Chang'an ...

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Enhanced ice and snow melting efficiency of steel slag based …

Replacing basalt aggregate with steel slag improved the induction heating efficiency of the mixtures. Steel fiber content played a dominant role in mixture's induction heating. It was positively correlated to the rise in temperature of induced heated ultra …

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Review A review on durability of nano-SiO2 and basalt fiber …

To deal with the poor mechanical and durability of Recycled aggregate concrete (RAC), the effects of the addition of Nano-SiO 2 (NS), Basalt fiber (BF), and composite addition of NS and BF are put forward. The addition of BF reduces the generation and development of early primary microcracks in RAC and prevents the generation and propagation of microcracks in the …

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Effects of design parameters and moisture conditions on interface bond

As a new pavement surface treatment, thin friction course (TFC) is mixed with asphalt emulsion, SBR modifier, single particle size basalt aggregate, and cement. In this study, a test apparatus derived from the pure direct shear test was proposed to investigate the effects of design parameters and moisture conditions on the interface strength.

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Effect of aggregate type and polishing level on the long …

The International Friction Index (IFI), as a significant indicator, was utilized to estimate the skid resistance of asphalt mixture [25], [26]. This paper was attempted to investigate the long-term skid resistance of thin friction course with aggregate of 88# calcined bauxite, 75# calcined bauxite, basalt and limestone at different polishing ...

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Fractal and spectral analysis of aggregate surface profile in polishing

The commonly used aggregates in wearing courses named basalt, gabbros and greywacke are investigated. The surface profile texture and dynamic friction coefficient were monitored in polishing process. ... It is concluded that the evolution of friction of aggregate is governed by micro-texture changes due to differential removal of mineral ...

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Investigation on Bond Performance Between Basalt FRP …

This depends on a number of factors including friction between the bars and the concrete, the size of aggregates, compressive strength of concrete and cracks. ... AL Mzayyen, N., Sabouni, R., Shahria Alam, M. (2023). Investigation on Bond Performance Between Basalt FRP Rebars and Recycled Aggregate Concrete. In: Walbridge, S., et al ...

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Armorstone® Overlay Aggregates for Bridge Deck Overlays

Armorstone® is a friction-wearing course used to overlay bridge decks and parking lots. We carry many sizes of crack seal sand and epoxy overlay aggregates. Skip to content. CALL (253) 262-1661. ... Armorstone overlay aggregate makes roads safe and durable. Bridges and roads wear down over time due to traffic, weather damage, and chemical ...

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Recycling steel slag as aggregate in developing an ultra-thin friction

The findings reveal that EAFS-UTFC exhibits superior surface roughness, enhanced wear resistance, and comparable shear strength to Basalt-UTFC. The dynamic friction coefficient (μ) between EAF ...

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Evolution of coefficient of friction between tire and …

Surface roughness of basalt aggregate was measured using a Zeta Profilometer. Actual friction coefficient was measured using British pendulum (BP) tester under wet conditions. Further, theoretical CoF was calculated by inputting the experimental material properties into mathematical model. ... Friction between tire and pavement ensures ...

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Influences of alternative friction aggregates on texture and friction …

According to the Federal Highway Administration (FHWA) Every Day Counts program, the high friction surface treatment (HFST) is commonly used to enhance surface friction of asphalt pavement at high crash rate locations such as such as horizontal curves, deceleration ramps, and intersection approaches [7].The HFST is a specially engineered ultrathin overlay in …

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Experimental Study on Wet Skid Resistance of Asphalt …

Secondly, it can clearly be seen that basalt fine aggregate had higher angularity values than that of dolerite aggregate. According to literatures [24,25], higher angularity will result in better aggregate interlocking and higher friction coefficient, which also consistent with the BPN results discussed in Figure 9.

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