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    The production of construction and demolition waste material and the use of recycled aggregates in Havana, Cuba  Open access

     Pavón, Elier; Etxeberria Larrañaga, Miren; Martinez, Ivan
    Revista Facultad de Ingeniería. Universidad de Antioquía
    Date of publication: 2014-06
    Journal article

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    En este trabajo se realiza un análisis de la generación de Residuos Sólidos Urbanos (RSU) y de Residuos de Construcción y Demolición (RCD) para el período de 1999 a 2010 en la Habana Cuba, y se define su posible uso en la fabricación de áridos reciclados para la producción de mortero y hormigón. Para la definición de las posibles aplicaciones de los RCD como agregados en la producción de mortero y hormigón, se decidió comenzar por el análisis de las características de los residuos, así como el estudio de las tecnologías actuales disponibles en la provincia para su tratamiento. Basándose en los resultados experimentales obtenidos, fue posible determinar que los agregados finos reciclados de composición mixta, obtenidos de edificios colapsados ¿¿o demoliciones, cumplieron con las regulaciones cubanas y en consecuencia podrían ser utilizados en la fabricación de mortero de albañilería. El agregado grueso reciclado procedente de elementos de plantas de prefabricados podría ser utilizado en la producción de hormigón estructural para entornos de agresividad media y baja, dependiendo del porcentaje de agregado natural sustituido.

    En este trabajo se realiza un análisis de la generación de Residuos Sólidos Urbanos (RSU) y de Residuos de Construcción y Demolición (RCD) para el período de 1999 a 2010 en la Habana Cuba, y se define su posible uso en la fabricación de áridos reciclados para la producción de mortero y hormigón. Para la definición de las posibles aplicaciones de los RCD como agregados en la producción de mortero y hormigón, se decidió comenzar por el análisis de las características de los residuos, así como el estudio de las tecnologías actuales disponibles en la provincia para su tratamiento. Basándose en los resultados experimentales obtenidos, fue posible determinar que los agregados finos reciclados de composición mixta, obtenidos de edificios colapsados ¿¿o demoliciones, cumplieron con las regulaciones cubanas y en consecuencia podrían ser utilizados en la fabricación de mortero de albañilería. El agregado grueso reciclado procedente de elementos de plantas de prefabricados podría ser utilizado en la producción de hormigón estructural para entornos de agresividad media y baja, dependiendo del porcentaje de agregado natural sustituido.

  • Residue strength, water absorption and pore size distributions of recycled aggregate concrete after exposure to elevated temperatures

     Kou, Shi-Cong; Poon, Chi-Sun; Etxeberria Larrañaga, Miren
    Cement & concrete composites
    Date of publication: 2014-10
    Journal article

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    In this paper, the effects of high temperature exposure of recycled aggregate concretes in terms of residual strengths, capillary water absorption capacity and pore size distribution are discussed. Two mineral admixtures, fly ash (FA) and ground granulated blast furnace (GGBS) were used in the experiment to partially replace ordinary Portland cement for concrete production. The water to cementitious materials ratio was maintained at 0.50 for all the concrete mixes. The replacement levels of natural aggregates by recycled aggregates were at 0%, 50% and 100%. The concretes were exposed separately to 300 °C, 500 °C and 800 °C, and the compressive and splitting tensile strength, capillary water coefficient, porosity and pore size distribution were determined before and after the exposure to the high temperatures. The results show that the concretes made with recycled aggregates suffered less deteriorations in mechanical and durability properties than the concrete made with natural aggregates after the high temperature exposures.

  • Experimental analysis of properties of high performance recycled aggregate concrete

     Gonzalez Corominas, Andreu; Etxeberria Larrañaga, Miren
    Construction & building materials
    Date of publication: 2014-02-15
    Journal article

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    Due to the increase in the demolition of high strength concrete structures and the interest of precast concrete companies in being more competitive, it is necessary to analyse the use of recycled concrete aggregates (RCA) in high performance concrete (HPC). In this study, HPC were produced using 20%, 50% and 100% of RCA on substitution of natural coarse aggregates. Three types of RCA were used, they were produced crushing original concrete of 100, 60 and 40 MPa of compressive strength. The physical, mechanical and durability properties of the recycled aggregates concretes and conventional concrete were analyzed. The results showed that considering mechanical properties, the 100% natural coarse aggregates' replacement would be possible when RCA were produced from original concrete with a minimum compressive strength of 60 MPa. When durability properties were considered concrete produced with up to 50% of RCA could be used in HPC production. (C) 2013 Elsevier Ltd. All rights reserved.

  • Properties of high performance concrete made with recycled fine ceramic and coarse mixed aggregates

     Gonzalez Corominas, Andreu; Etxeberria Larrañaga, Miren
    Construction & building materials
    Date of publication: 2014-10
    Journal article

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    There are various means of obtaining waste for the production of recycled aggregates. In this study the waste material has been obtained from building demolition and also from the ceramic industry (known for the production of large amounts of rejected ceramic wastes). High performance concretes (HPC) was produced using fine ceramic aggregates (FCA) in substitution of 15% and 30% of natural sand, and using 20%, 50% and 100% of coarse mixed aggregates (CMA) on substitution of natural coarse aggregates. The physical, mechanical and durability properties of the recycled aggregate concretes were determined and compared to those of the results of conventional concrete. The results showed that concrete produced with up to 30% of FCA achieved similar or improved mechanical and durability properties to those of conventional concrete. Concrete made with up to 20% of CMA achieved similar compressive strength to High Performance conventional Concrete of 100 MPa. At 180 days of curing the concretes produced with up to 50% CMA obtained low corrosion risk.

  • A comparative analysis of the properties of recycled and natural aggregate in masonry mortars

     Martinez, Ivan; Etxeberria Larrañaga, Miren; Pavón, Elier; Díaz Brito, Nelson
    Construction & building materials
    Date of publication: 2013-12
    Journal article

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    Masonry mortar is one of the most manufactured and used building materials in Havana, Cuba. The lack of natural sand and the great quantity of demolition waste that exists in the city makes one realize the potential benefits of the use of this abundant waste material to create recycled fine aggregates for their use in the production of masonry mortars. In this research work three types of fine mixed aggregate were used. These aggregates, which were the result of the crushing of demolition waste proceeding from the three typical types of buildings in Havana, were used as a substitute for 100% of the natural sand used in the production of masonry mortar. Due to the lack of natural fine aggregates Cuban regulations allow for the use of fillers in the manufacture of masonry mortars, in order to correct this defect. Three different types of filler were evaluated for masonry mortar production; lime hydrate (commonly used in Havana) white slag filler (a by-product of steel manufacturing) and limestone filler (natural). The masonry mortars were made using either 100% natural or recycled aggregates with any of type of filler, they were tested after a 28 days period of curing in a humidity room and their physical, mechanical and durability properties were analyzed. The results obtained from the tests proved that the masonry mortars manufactured with a combination of recycled fine aggregates and any of the three types of filler mentioned not only complied with the requirements established in the Cuban regulation, but in the majority of cases the properties obtained from these mortars were better than those mortars made with natural aggregate.

  • Use of recycled fine aggregates for Control Low Strength Materials (CLSMs) production

     Etxeberria Larrañaga, Miren; Ainchil Lavin, Javier; Pérez Adrian, María Eugenia; Gonzalez Rodriguez, Alain R.
    Construction & building materials
    Date of publication: 2013-07
    Journal article

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    It is known that 50% of recycled aggregate is fine aggregate, however its use is still limited. In this research work the use of recycled fine aggregates for Controlled Low Strength Materials (CLSMs) production was analysed. Self-compacting and flowable CLSM material was composed of cement, fine aggregates, water and an air-entrained admixture. Adequate mix proportions of CLSM material produced with recycled fine aggregates were validated according to the minimum requirements of ASTM and the results obtained by CLSM produced with natural fine aggregates. Bleeding and penetration resistance for fresh state and density, porosity and absorption in hardened strength of optimum mix proportions of all CLSM mixtures with recycled aggregates were also validated. © 2013 Elsevier Ltd. All rights reserved.

  • TRAVIREC: Nuevas traviesas de hormigón con áridos reciclados

     Etxeberria Larrañaga, Miren
    Participation in a competitive project

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  • La sostenibilidad en materiales de construcción en países en vías de desarrollo

     Etxeberria Larrañaga, Miren
    Date of publication: 2012-02-01
    Book chapter

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    La apropiada selección de tecnologías como de materiales de construcción además de promover la participación de la comunidad durante la construcción pueden ser las claves de un correcto mantenimiento y, por tanto, de la durabilidad y sostenibilidad de la construcción realizada en cualquier país en vías de desarrollo.

  • Estudio de la aplicabilidad del hormigón con árido grueso reciclado en La Habana, Cuba

     Pavón, Elier; Etxeberria Larrañaga, Miren; Díaz Brito, Nelson
    Materiales de construcción (Madrid)
    Date of publication: 2012-07
    Journal article

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  • Dredged marine sand as construction material

     Limeira de Araujo, Jussara; Agulló Fité, Luís; Etxeberria Larrañaga, Miren
    European journal of environmental and civil engineering
    Date of publication: 2012
    Journal article

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    This work deals with the study of dredged marine sand (DMS) from the Port of Sant Carles de la Ràpita (Tarragona, Spain) as construction material. The analysis of its influence on paste, mortar and concrete production is described. Two experimental phases were carried out after the chemical and physical characteristics of DMS were determined. Firstly, pastes and mortars were made using CEM II/A-M 42.5R cement, different percentages of DMS in replacement of raw sand and plasticizer additive in order to obtain the fresh and hardened properties of the mixes studied. After that, DMS was used for the production of concretes as fine aggregates. A pilot study was carried out with harbor concrete pavements produced at industrial scale. The results were compared to those of the control mixes and proved the satisfactory behavior of DMS as construction material when incorporated into concrete as granular corrector.

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    Arenas de dragado marino como nueva fuente para materiales de construcción  Open access

     Limeira de Araujo, Jussara; Agulló Fité, Luís; Etxeberria Larrañaga, Miren
    Materiales de construcción (Madrid)
    Date of publication: 2012
    Journal article

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    Este trabajo propone el uso de arenas de dragado marino (DMS) en pastas y morteros como material constructivo. Se utilizaron materiales de dos puertos españoles: DMS-0 del puerto de Sant Carles de la Ràpita, y DMS-A,DMS-B y DMS-C del puerto de Barcelona. El objetivo del estudio era evaluar el material DMS como adición (influencia sobre cohesión y fluidez) o como corrector granular (influencia sobre resistencia a la compresión) en diferentes mezclas de pasta y morteros de cemento, respectivamente. Se realizaron dos fases experimentales: primero, se empleó el DMS-0 en la producción de pastas y morteros (sustitución parcial de arena natural 0/2 mm); a continuación, se emplearon DMS-A, DMS-B y DMS-C en la producción de morteros (sustitución parcial de arena natural 0/5 mm). Los resultados obtenidos fueron comparados con las mezclas de control y revelaron que la proporción óptima de sustitución de arenas naturales por DMS era del 25%. // This work deals with the use of dredged marine sand (DMS) in pastes and mortars as construction material. Different materials from two Spanish ports were used: DMS-0 from Sant Carles de la Ràpita and DMS-A, DMS-B and DMS-C from Barcelona. The aim of the study was to assess DMS as addition (its influence on cohesion and fluidity) or as a fine granular corrector (its influence on compressive strength) in different mixes of cement paste and mortars, respectively. Two experimental stages were carried out: firstly, DMS-0 material was used on the production of pastes and mortars (partial substitution of raw sand 0/2 mm); secondly, DMS-A, DMS-B and DMSC were used on mortar production (partial substitution of raw sand 0/5 mm). The fresh and hardened properties obtained were compared to those of the control mixes; the results revealed 25% as an optimum substitution ratio of raw sands for DMS.

  • Characterization of mixed recycled aggregates for use in masonry mortars

     Martínez Herrera, Iván; Pavón, Elier; Etxeberria Larrañaga, Miren; Díaz Brito, Nelson
    Convención Científica de Ingeniería y Arquitectura
    Presentation's date: 2012-11
    Presentation of work at congresses

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  • Influence of recycled aggregates on long term mechanical properties and pore size distribution of concrete

     Kou, Shi-Cong; Poon, Chi-Sun; Etxeberria Larrañaga, Miren
    Cement & concrete composites
    Date of publication: 2011-02
    Journal article

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  • Mechanical and durability properties of concrete made with dredged marine sand

     Limeira de Araujo, Jussara; Etxeberria Larrañaga, Miren; Agulló Fité, Luís; Molina, Daniel
    Construction & building materials
    Date of publication: 2011-11
    Journal article

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    The process of depletion of sources of natural aggregates challenges the production of technically and environmentally adequate concrete. Alternative material from marine sources, especially for concrete maritime structures, could represent an acceptable solution for this problem and it might also be of great interest for port management. This research work describes the study of the mechanical and durability properties of concretes fabricated with dredged marine sand (DMS) as a fine granular corrector in partial substitution of raw sand (from 15% to up to 50% by raw sand mass) designed for harbor pavements. Three DMS samples were extracted from the Port of Barcelona. The material was stockpiled in the open air and no washing, drying or decontamination process was carried out. Mineralogical, physical and chemical properties of DMS material were determined. Eight different mixtures were produced incorporating three types of DMS material as granular corrector in partial substitution of crushed limestone raw sand. The concretes were submitted to compressive strength tests after 7 and 28 days of moist curing, as well as density, absorption, accessible pores, elastic modulus, tensile and splitting tensile strength, abrasion, capillary suction, water penetration under pressure and ultrasonic pulse velocity (UPV) tests, all of them after 28 days of moist curing. This study shows that dredged marine sand can be successfully used as a fine aggregate for concrete production. This is justified by the similar physical and mechanical properties of concrete made with DMS comparing to reference concrete. It was verified that the use of DMS in substitution of raw sand maintained or reduced the accessible pores, the sorptivity and the water penetration depth under pressure.

  • Propiedades del hormigón de árido reciclado fabricado con adiciones, activa e inerte

     Pavón, Elier; Etxeberria Larrañaga, Miren; Martinez, Iván
    Revista de la construcci¿n
    Date of publication: 2011-12
    Journal article

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  • The beneficial use of dredged marine sand as an alternative material for concrete.

     Limeira de Araujo, Jussara
    Defense's date: 2011-05-02
    Department of Construction Engineering, Universitat Politècnica de Catalunya
    Theses

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  • Manejo de los residuos de construcción y demolición de la comunidad cubana

     Etxeberria Larrañaga, Miren; Pardo Trafach, Patricia Teresa; Garola Crespo, Alvaro; Bairan Garcia, Jesus Miguel
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  • TRAVIREC: Nuevas traviesas de hormigón con áridos reciclados

     Pardo Trafach, Patricia Teresa; Etxeberria Larrañaga, Miren
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  • Influence of the use of sewage sludge ash (SSA) as cementitious materials on mortar and concrete properties

     Etxeberria Larrañaga, Miren; Valls Del Barrio, Susana
    International Congress on the Chemistry of Cement
    Presentation's date: 2011-07-05
    Presentation of work at congresses

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  • Use of recycled and secondary aggregates in concrete: an overview

     Dhir, Ravindra; Paine, K.A; de Brito, J.; Etxeberria Larrañaga, Miren; Ho, N Y; Poon, C.S; Tam, V W Y
    UKIERI Concrete Congress
    Presentation's date: 2011
    Presentation of work at congresses

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    This paper written by some of the world’s leading exponents on the use of recycled and secondary aggregates provides a brief overview of the use of recycled and secondary aggregates for new concrete construction. It is based on a substantial review, dissection and repackaging of the current known knowledge in the field and is based on authors’ own research, findings and experience. The paper, in particular, draws upon recent knowledge that has been generated in the past five years as standards and specifications have finally started to provide a route by which these materials can be more readily assimilated into construction. The paper covers production and processing of recycled aggregates, developments in international standards, the effect of recycled aggregates on strength, deformation characteristics and durability of concrete, and concludes with three international case studies in which recycled aggregates have been used in structural and high performing concrete.

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    Reacción álcali sílice en el hormigón debido al mortero adherido del árido reciclado  Open access

     Etxeberria Larrañaga, Miren; Vazquez Ramonich, Enric
    Materiales de construcción (Madrid)
    Date of publication: 2010-01
    Journal article

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    La durabilidad del hormigón fabricado con árido reciclado es necesario determinarla antes de su utilización como material de construcción. En este artículo se analiza la reacción álcali-sílice manifestada en el hormigón fabricado con árido reciclado procedente de hormigón (compuesto de árido original calizo y mortero adherido de arena sílice reactiva), y cemento de alto contenido en álcalis. Debido al proceso de fabricación del hormigón y la alta capacidad de absorción del árido reciclado se produce una acumulación del cemento en la Interfase (ITZ). Debido al contacto directo de los álcalis del cemento con la arena sílice reactiva se produce una reacción álcali sílice a los 6 meses de edad del hormigón. Se realiza un análisis mediante microscopio electrónico de barrido ambiental (ESEM) y sistema analítico de EDX. Se determina que las propiedades mecánicas del hormigón reciclado a 6 meses son similares a las obtenidas a los 28 días de curado. The durability of recycled concrete must be determined before this material can be used in construction. In this paper the alkali-silica reaction in recycled concrete is analyzed. The recycled concrete is made with recycled aggregates, composed by original limestone aggregates and adhered mortar with reactive silica sand, and high alkali content cement. Due to the manufacturing process used for concrete production and the high water absorption capacity of recycled aggregates, cement accumulation happens in the interface (ITZ). The concentration of alkalis on the surface of recycled aggregates- ITZ and the presence of reactive sand in the mortar adhering to the recycled aggregate induce an alkali-silica reaction in 6-month concrete. The existence of this reaction is confirmed by environmental scanning electron microscopy (ESEM) and EDX analysis. The mechanical properties of 6-month recycled concrete were similar to those values at 28-days of curing.

  • Dredged marine sand in concrete: An experimental section of a harbor pavement

     Limeira de Araujo, Jussara; Agulló Fité, Luís; Etxeberria Larrañaga, Miren
    Construction & building materials
    Date of publication: 2010-06
    Journal article

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  • Properties of concrete using metallurgical industrial by-products as aggregates

     Etxeberria Larrañaga, Miren; Pacheco Sierra, Cristian; Meneses, J.M.; Berridi, I.
    Construction & building materials
    Date of publication: 2010-09
    Journal article

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  • EVALUACIÓN DE LOS EFECTOS DEL DETERIORO, REPARACIÓN Y REFUERZO EN ESTRUCTURAS. MODELO TEORICO Y VERIFICACIÓN

     Bairan Garcia, Jesus Miguel; Oller Ibars, Eva; Etxeberria Larrañaga, Miren; Alegre Heitzmann, Vicente; Fernandez Perez, Ignasi; Pujol Sanchez, Mireia; Santos Ferreira, Denise Carina; Mari Bernat, Antonio Ricardo
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    Dredged marine sand as constructive material  Open access

     Limeira de Araujo, Jussara; Agulló Fité, Luís; Etxeberria Larrañaga, Miren
    Journées Nationales Génie Côtier-Génie Civil
    Presentation's date: 2010-06-22
    Presentation of work at congresses

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    Dredging works are usually required to maintenance activities in many ports all over the world and represents a huge volume of disposal material. The use of dredged aggregates can be considered in several applications as erosive process control, coastal stabilization, beach replenishment, production of construction materials (clay, bricks, aggregates) or construction works (foundation fill, dikes, etc.). Researches revealed the feasibility of dredged marine sand (DMS) in the construction of base and sub-base harbour pavements incorporating this material to hydraulic binder mixes (cement or lime) in order to improve the grading of aggregates and correct the granular skeleton. Its main objective is to improve the packing and to obtain the compressive properties required for geotechnical applications. In this work the study of DMS from the Port of Sant Carles de la Rápita (Tarragona, Spain) as construction material is presented. The analysis of its influence on paste, mortar and concrete production is described. Two experimental phases were carried out once chemical and physical characteristics of DMS were determined. At first, pastes and mortars were made using CEM II/A-M 42,5R cement, different percentages of DMS on replacement of raw sand and plasticizer additive in order to obtain fresh and hardened properties of the mixes studied. After that, DMS was used in the production of concretes as fine aggregates. A pilot experience was carried out with concrete port pavements produced in industrial scale. Fresh and hardened properties of the concretes were determined and compared to the control mix. Results show satisfactory behaviour of DMS as construction material when incorporated in concrete as fine corrective sand.

  • Properties of concrete blocks prepared with low grade recycled aggregates

     Poon, Chi-Sun; Kou, Shi-Cong; Wan, H-w; Etxeberria Larrañaga, Miren
    Waste management
    Date of publication: 2009-08
    Journal article

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  • Utilización de áridos reciclados de hormigón en la fabricación estructural en La Havana, Cuba

     Pavón, E; Etxeberria Larrañaga, Miren; Díaz, N
    Tenth International Conference on Non-conventional Materials and Technologies? NOCMAT 2008
    Presentation of work at congresses

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  • El Sector de la Construcció i el Desenvolupament Humà en Projectes de Cooperació Internacional

     Cladera Bohigas, Antoni; Etxeberria Larrañaga, Miren; Perez, A
    Congrés d'Enginyeria i Cultura Catalana
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  • Utilización de los residuos de hormigón de plantas de prefabricados

     Pavón, E; Etxeberria Larrañaga, Miren; Díaz, N
    Convención Científica de Ingeniería y Arquitectura
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  • Influence of amount of recycled coarse aggregates and production process on properties of recycled aggregate concrete

     Etxeberria Larrañaga, Miren; Vazquez Ramonich, Enric; Mari Bernat, Antonio Ricardo; Barra Bizinotto, Marilda
    Cement and concrete research
    Date of publication: 2007-05
    Journal article

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  • Recycled aggregate concrete as structural material

     Etxeberria Larrañaga, Miren; Mari Bernat, Antonio Ricardo; Vazquez Ramonich, Enric
    Materials and structures
    Date of publication: 2007-06
    Journal article

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  • Educación para el desarrollo y hormigón estructural. Experiencias

     Cladera Bohigas, Antoni; Etxeberria Larrañaga, Miren; Perez Foguet, Agusti
    II Jornadas de enseñanza del hormigón estructural.
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  • Microstructure analysis of hardened recycled aggregate concrete

     Etxeberria Larrañaga, Miren; Vazquez Ramonich, Enric; Mari Bernat, Antonio Ricardo
    Magazine of concrete research
    Date of publication: 2006-12
    Journal article

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  • Utilización de árido reciclado para la fabricación de hormigón estructural.

     Etxeberria Larrañaga, Miren; Barra Bizinotto, Marilda; Vazquez Ramonich, Enric
    Date of publication: 2006-12
    Book

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  • Especificaciones del áridos reciclado del borrador de normativa española sobre la utilización del árido en hormigón reciclado estructural

     Alaejos, P; Sánchez, Marcelo; Dapena, E; Vazquez Ramonich, Enric; Barra Bizinotto, Marilda; Etxeberria Larrañaga, Miren; Marín, M; Agullo Batlle, Joaquim
    I Congreso Nacional de Áridos
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  • Draft of Spanish Standard for the use of recycled aggregate in the production of structural concrete

     Alaejos, P; Sánchez, Marcelo; Dapena, E; Vazquez Ramonich, Enric; Barra Bizinotto, Marilda; Etxeberria Larrañaga, Miren; Agullo Batlle, Joaquim
    6th International Symposium on Cement & Concrete (6th ISCC) on Concrete Technology for Sustainable Development
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  • Habitat 2030. Materiales y componentes

     Etxeberria Larrañaga, Miren; Barragan, Bryan Erick; Agulló Fité, Luís
    Participation in a competitive project

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  • Estudio experimental prenormativo sobre la utilización de los rcds en hormigón reciclado de aplicación estructural (RECNHOR) 3.2-358/2005/3-B

     Vazquez Ramonich, Enric; Etxeberria Larrañaga, Miren; Barra Bizinotto, Marilda
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  • Borrador de normativa española sobre la utilización del árido reciclado en hormigón estructural

     Alaejos, P; Sanchez, M; Barra Bizinotto, Marilda; Burón, M; Dapena, E; Etxeberria Larrañaga, Miren; Francisco, G; González, B; Martínez, F; Martínez, I; Parra Juez, José Luis; Polanco, J A; Vazquez Ramonich, Enric
    Congreso de Puentes y Estructuras de Edificación de la Asociación Científico-Técnica del Hormigón Estructural
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  • Borrador de normativa española sobre la utilización del árido reciclado en hormigón estructural

     Etxeberria Larrañaga, Miren; Vazquez Ramonich, Enric; Barra Bizinotto, Marilda
    Congreso de Puentes y Estructuras de Edificación de la Asociación Científico-Técnica del Hormigón Estructural
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  • Ingeniería de la construcción y cooperación al desarrollo. Retos de futuro

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