Warm recycled asphalt mix
Mechanical performance of half-warm mix recycled asphalt mixtures containing total rates of reclaimed asphalt pavement for their use in road pavements
... Therefore, it can be said that the use of a curing/drying treatment is assumed as a positive aspect to improve the indirect tensile strength, stiffness modulus, and resistance to permanent deformation (Wu and Li, 2017). ...
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TítuloFeasibility of Using Recycled Concrete Aggregates for Half Warm mix Asphalt
... Specifically, HWMA type AC 22 bin S was selected to perform the study. This mixture is a semi dense half-warm asphalt concrete mixture for the binder course of road pavements. The grain size distribution of ...
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Laboratory Compaction Study and Mechanical Performance Assessment of Half-Warm Mix Recycled Asphalt Mixtures Containing 100% RAP
... the mix design, using a forced-draft convection oven, at 50 ◦ C, at four different curing periods (0, 24, 48, and 72 h), at 24 h increments, until reaching constant weight before their testing according to ...
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Effects of Freeze-Thaw Cycles and Anti-Stripping Agents on Hot Mix.pdf (1.029Mb)
... Several tests are available to evaluate moisture susceptibility of asphalt mixtures but, at present, AASHTO T283 is the most commonly used (11,12). Several agencies have reported difficulties with this test for ...
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TítuloStripping in hot mix asphalt produced by aggregates from construction and demolition waste
... situation has been aggravated by the sheer volume of waste that is generated and the close relationship between income levels and quality of life and the amount of waste produced. Spain produces approximately 13 million ...
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Characterization of asphalt mixtures produced with bio-binders
... hot asphalt mix (HMA) materials fabricated with a regular 60-70 (1/10 mm) asphalt binder modified with two products derived from palm oil at two different percentages by total weight (3% and 4%), and ...
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Effect of the recycled rubber grain in the rutting of an asphalt mixture type MD-12
... the recycled rubber grain added by dry process, in the rutting of an asphaltic mixture type MD-12, through the plastic deformation resistance test standardized by the Instituto Nacional de Vías INVIAS ...an ...
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TítuloInfluence of ageing on the properties of bitumen from asphalt mixtures with recycled concrete aggregates
... The asphalt mixture AC 22 base B50/70 G was designed following the Marshall procedure according to NLT-159/86 (MOPT, 2002). In this test, four series of five cylindrical Marshall samples were analysed to obtain ...
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TítuloEffect of hydrated lime on the bond between asphalt and recycled concrete aggregates
... manufactured. The hydrated lime was introduced in the samples by the three above mentioned techniques. A fourth sample, using only Portland cement as filler (without the introduction of hydrated lime), was used as a ...
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TítuloLaboratory evaluation of hot mix asphalt containing construction and demolition waste
... deformation at cycle 1,800 and the RCA percentage. It could be explained by the heterogeneity of the RCA used in this investigation. It is well known that HMA permanent deformation occurs mainly due to densification (a ...
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TítuloMoisture damage resistance of hot mix asphalt made with paper industry wastes as filler
... Certain paper industry wastes display high recycling potential. In this investigation, the feasibility of using green liquor dregs and biomass fly ash from the paper industry as filler in hot-mix asphalt ...
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Estado de la práctica en el uso de asfalto espumado en Colombia
... Mix each 10 kg aggregate batch according to the following procedure: Place the entire batch (10 kg) in the mixing bowl. Sufficient moisture should be added so that the moisture content plus the added binder ...
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TítuloSelf compacting recycled concrete: basic mechanical properties, rheology, robustness and thixotropy
... that recycled aggregate generates fines during its manipulation due to the production of small mortar ...the recycled coarse aggregate may decrease the bond between the recycled aggregate and the new ...
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The Effect of Gradation and Fibre on the Performance of Open Graded Friction Course Mixes in Costa Rica.pdf (212.9Kb)
... The mix designed was carried out according to SUPERPAVE at 100 gyrations using a typical Costa Rican asphalt binder (AC-30) modified with ...The mix performance was evaluated using the Asphalt ...
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Estudio de variabilidad en mezclas asfálticas en caliente fabricadas con altas tasas de material asfáltico reciclable (RAP) = Variability study of hot mix asphalt with high rates of reclaimed asphalt pavement (RAP)
... Donde: DM : Desviación media DMFT : Desviación media c/r a la fórmula de trabajo Xi : Valor de una muestra : Valor medio de las muestras X XFT : Valor propuesto en la fórmula de trabajo [r] ...
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Recycled concrete: a review
... generate recycled hydraulic concrete, a material that could lessen costs, decrease pollution and cheapen ...of recycled concrete faces the search for optimal designs in order to achieve the highest ...
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Análisis y mejora de la gestión en una PyME
... Hoy en día la empresa trabaja con un mix de productos determinado (ver “Descripción del Proceso”). Se debe analizar la posibilidad de cambiar ese mix. Se determinó cuál sería el mix ópt[r] ...
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How Warm Was This Summer?
... June-July-August 2010 was the 4 th warmest in the 131 year GISS analysis, while 2009 was the 2 nd warmest 1 . 2010 was a bit cooler than 2009 mainly because a moderate El Nino in the equatorial Pacific Ocean during late ...
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Recycled concrete: a review
... generate recycled hydraulic concrete, a material that could lessen costs, decrease pollution and cheapen ...of recycled concrete faces the search for optimal designs in order to achieve the highest ...
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Recycled concrete: a review
... The employment of recycled construction materials dates back to the 1940’s as Europe had excessive amounts of debris due to bombardments. This debris was used as quarries for building reconstruction with ...
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