... fraction with a layer of cement ...of recycled aggregate with pozzolanic dust contributes significantly to better viability and greater resistance to compression and ...the concrete ...
... mixtures with RCA in both fractions (coarse and fine) displayed the highest resistance to permanent ...made with natural aggregates, whereas mixtures with RCA in the fine fraction displayed a ...
... Pasandín, A.R. and Pérez, I. Effects of the asphalt penetration grade and the mineralogical composition on the asphalt-aggregate bond. Petroleum Science and Technology (in press). Pérez I., Gallego J., Toledano M. and ...
... mixtures with good water resistance. Consequently, Lee et al. [11] coated RCA with a slag cement paste and obtained water resistances within the range of the Taiwanese specification ...coated with a ...
... achieved with the low density or high water absorption aggregate group (LDA) compared with that of the high density or low water absorption group (HDA), is probably due to the different degree of bleeding ...
... the recycledaggregates are the highest component, derived from the large volumes of waste from construction and demolition, all of which could be eliminated by using ...
... of recycled hydraulic concrete from road infrastructures or rigid pavement, and in a secondary manner the use of recycledconcrete from buildings such as ...contaminated with sulphur ...
... following aggregates were employed: coarse RA coming from concrete from a recycled pavement affected by ASR; NA used in the original concrete (OC) of the pavement; and innocuous fine ...
... mixed recycled coarse aggregates in concrete ...on RecycledAggregates from Construction and Demolition Waste” [GEAR 2012] observed a linear decrease in mechanical properties as mixed ...
... the concrete mixing composition and namely the apparent water / cement ratio were kept constant (w/c = ...the recycledaggregates kept increasing, it was expected that the workability of the mixes ...
... and aggregates (natural and recycled) must be ...made with NA2 than in the mixtures made with NA1, because schist has a siliceous nature too, which reinforces the hydrophilic behavior of the ...
... mixture with half-warm mix recycled asphalt mixtures in a total length of 400 m and 5cm in depth laid in the entire carriageway width for their use in binder course asphalt ...rebuilt with an asphalt ...
... made with RCA. In this way, HMA with percentages of 5%, 10%, 20% and 30% of RCA as coarse aggregate in place of natural aggregate were manufactured at optimum Marshall bitumen ...
... structural concrete, as the influence of this replacement in compressive strength is not ...non-structural concrete this replacement can be increased to 30%, keeping the compressive strength value after 28 ...
... coated with a bitumen emulsion was evaluated using the repeated indirect tensile fatigue test (ITFT), following UNE-EN 12697-24 Annex E [25], using a Cooper NU 14 ...
... RCA aggregates mainly differ from natural ones because they have old mortar attached to their ...RCA aggregates’ resistance to fragmentation (Sánchez de Juan and Alaejos Gutiérrez, 2009) and greatly ...
... Additionally, in figure 6, it can be seen that a higher RCA percentage leads to lower initial stiffness for all initial micro-strain levels and for all kinds of tested bitumen. The mortar attached to the RCA surface, ...
... as recycledconcrete aggregate (RCA) for the manufacture of hot-mix asphalt (HMA) in place of natural ...made with BC35/50 do not display better water resistance than mixtures made with ...
... sample with Portland cement ...bitumen with grey cement filler can be appreciated in figure 3a and figure ...RCA with ECL-2d, display satisfactory ...made with RCA without treatment and a ...
... made with 55% of RCA exhibited a resilient modulus value of ...asphalt concrete mixtures ...made with 0% RCA was in the middle of the range and HWMA made with 55% RCA was close to the lower ...