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Concrete with recycled aggregates

Evaluation of different treatment techniques in recycled aggregates for use in concrete production

Evaluation of different treatment techniques in recycled aggregates for use in concrete production

... 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 ...

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TítuloOverview of bituminous mixtures made with recycled concrete aggregates

TítuloOverview of bituminous mixtures made with recycled concrete aggregates

... 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 ...

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TítuloEffect of hydrated lime on the bond between asphalt and recycled concrete aggregates

TítuloEffect of hydrated lime on the bond between asphalt and recycled concrete aggregates

... 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 ...

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TítuloEffect of ageing time on properties of hot mix asphalt containing recycled concrete aggregates

TítuloEffect of ageing time on properties of hot mix asphalt containing recycled concrete aggregates

... 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 ...

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TítuloSelf compacting recycled concrete: basic mechanical properties, rheology, robustness and thixotropy

TítuloSelf compacting recycled concrete: basic mechanical properties, rheology, robustness and thixotropy

... 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 ...

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Alkali-Aggregate reaction in recycled concrete with aggregates qualified as reactives by the ASTM C 1260 method

Alkali-Aggregate reaction in recycled concrete with aggregates qualified as reactives by the ASTM C 1260 method

... the recycled aggregates are the highest component, derived from the large volumes of waste from construction and demolition, all of which could be eliminated by using ...

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Recycled concrete: a review

Recycled concrete: a review

... of recycled hydraulic concrete from road infrastructures or rigid pavement, and in a secondary manner the use of recycled concrete from buildings such as ...contaminated with sulphur ...

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Métodos de evaluación de las reacciones álcali sílice en hormigones con áridos reciclados = Evaluation methods of alkali silica reaction in concrete with recycled aggre gates

Métodos de evaluación de las reacciones álcali sílice en hormigones con áridos reciclados = Evaluation methods of alkali silica reaction in concrete with recycled aggre gates

... 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 ...

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TítuloSimultaneous utilization of fine and coarse recycled concrete aggregate for the fabrication and experimental analysis of the structural performance of precast reinforced and  prestressed concrete elements

TítuloSimultaneous utilization of fine and coarse recycled concrete aggregate for the fabrication and experimental analysis of the structural performance of precast reinforced and prestressed concrete elements

... mixed recycled coarse aggregates in concrete ...on Recycled Aggregates from Construction and Demolition Waste” [GEAR 2012] observed a linear decrease in mechanical properties as mixed ...

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Producción de hormigón reciclado. Reciclaje repetitivo de agregados gruesos de hormigón

Producción de hormigón reciclado. Reciclaje repetitivo de agregados gruesos de hormigón

... the concrete mixing composition and namely the apparent water / cement ratio were kept constant (w/c = ...the recycled aggregates kept increasing, it was expected that the workability of the mixes ...

8

TítuloMechanical behavior of hot mix asphalt made with recycled concrete aggregates from construction and demolition waste: a design of experiments approach

TítuloMechanical behavior of hot mix asphalt made with recycled concrete aggregates from construction and demolition waste: a design of experiments approach

... 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 ...

12

Mechanical performance of half-warm mix recycled asphalt mixtures containing total rates of reclaimed asphalt pavement for their use in road pavements

Mechanical performance of half-warm mix recycled asphalt mixtures containing total rates of reclaimed asphalt pavement for their use in road pavements

... 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 ...

156

TítuloCharacterization of hot mix asphalt made with recycled concrete aggregates that have been cured for 4 hours in the oven

TítuloCharacterization of hot mix asphalt made with recycled concrete aggregates that have been cured for 4 hours in the oven

... 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 ...

7

A study on the mix design and fundamental properties of pre-cast concrete artifacts prepared with coarse and fine recycled aggregates

A study on the mix design and fundamental properties of pre-cast concrete artifacts prepared with coarse and fine recycled aggregates

... 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 ...

8

TítuloMechanical properties of hot mix asphalt made with recycled concrete aggregates coated with bitumen emulsion

TítuloMechanical properties of hot mix asphalt made with recycled concrete aggregates coated with bitumen emulsion

... 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 ...

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TítuloInfluence of ageing on the properties of bitumen from asphalt mixtures with recycled concrete aggregates

TítuloInfluence of ageing on the properties of bitumen from asphalt mixtures with recycled concrete aggregates

... 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 ...

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TítuloFatigue performance of bituminous mixtures made with recycled concrete aggregates and waste tire rubber

TítuloFatigue performance of bituminous mixtures made with recycled concrete aggregates and waste tire rubber

... 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, ...

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TítuloMoisture damage resistance of hot mix asphalt made with recycled concrete aggregates and crumb rubber

TítuloMoisture damage resistance of hot mix asphalt made with recycled concrete aggregates and crumb rubber

... as recycled concrete 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 ...

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TítuloAdhesion of recycled concrete aggregates, demolition debris and asphalt

TítuloAdhesion of recycled concrete aggregates, demolition debris and asphalt

... 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 ...

15

TítuloFeasibility of Using Recycled Concrete Aggregates for Half Warm mix Asphalt

TítuloFeasibility of Using Recycled Concrete Aggregates for Half Warm mix Asphalt

... 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 ...

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