Results 21 to 30 of about 55,005 (312)

Analysis and optimization of mechanical properties of recycled concrete based on aggregate characteristics

Science and Engineering of Composite Materials, 2021
The most significant difference between recycled and natural concretes lies in aggregates. The performance of recycled coarse aggregates directly affects the characteristics of recycled concrete.
Bian Jiangwei, Zhang Wenbing, Shen Zhenzhong, Li Song, Chen Zhanglan   +4 more
doaj   +1 more source

Eurocode Design of Recycled Aggregate Concrete for Chloride Environments: Stochastic Modeling of Chloride Migration and Reliability-Based Calibration of Cover

Crystals, 2021
Recycled aggregate concrete is a solution used to minimize the environmental impact of the concrete industry. Notwithstanding research worldwide validating structural applications of recycled aggregate concrete, specific design guidelines are lacking and
António Albuquerque, João Nuno Pacheco, Jorge de Brito   +2 more
doaj   +1 more source

Mechanical characterization of a new architectural concrete with glass-recycled aggregate [PDF]

, 2019
Concrete is a material which is widely used in architecture, not only for structural purposes but also for architectural elements for its versatility and excellent performance.
Albareda Valls, Albert, Cornadó Bardón, Còssima, Rivera Rogel, Carmen Alicia, Tamayo Garcia, Bernardo   +3 more
core   +2 more sources

Bond behavior of recycled coarse aggregate concrete with rebar after freeze–thaw cycles: Finite element nonlinear analysis

Nonlinear Engineering, 2022
In this article, the bond performance of recycled coarse aggregate concrete with rebar after freeze–thaw cycles is analyzed by the ABAQUS finite element method.
Su Wei, Sun Huibin, Wang Yiyun, Su Tian
doaj   +1 more source

The influence of recycled concrete aggregate on the properties of concrete

MATEC Web of Conferences, 2018
Use of Recycled Coarse Aggregate (RCA) in concrete can be described in terms of environmental protection and economy. This paper deals with the mechanical properties of concrete compressive strength, splitting tensile strength, modulus of elasticity, and
Mohammed Nisreen, Sarsam Kaiss, Hussien Mazin   +2 more
doaj   +1 more source

Influence of the quality of recycled aggregates on the mechanical and durability properties of high performance concrete [PDF]

, 2017
The final publication is available at Springer via http://dx.doi.org/10.1007/s12649-016-9637-7The main objective of this experimental work is to analyse the effect of recycled aggregates (RA), on the basis of the study of the various qualities, of the ...
Etxeberria Larrañaga, Miren, Gonzàlez Corominas, Andreu, Poon, Chi-Sun   +2 more
core   +2 more sources

Steam curing effect on the properties of fly ash high performance recycled aggregates concrete [PDF]

, 2016
The aim of this study is to encourage the use of Recycled Concrete Aggregate (RCA) in High Performance Concrete (HPC) with fly ash. Three types of coarse RCA sourced from medium to high strength concretes were employed in 100% replacement.
Etxeberria Larrañaga, Miren, Gonzàlez Corominas, Andreu   +1 more
core   +1 more source

Influence of Recycled Aggregate Quality on the Mechanical Properties of Concrete

Communications, 2014
The use of recycled construction and demolition waste - especially recycled concrete - as an aggregate for new concrete mixes, leads to saving of natural resources and helps to reduce the pressure on landfilling sites.
Tereza Pavlu, Luc Boehme, Petr Hajek
doaj   +1 more source

Durability parameters of reinforced recycled aggregate concrete: Case study [PDF]

, 2019
Recycled concrete aggregate (RA) from pavement demolition was used to make concrete. Ten concrete mixtures with different replacement percentages of RA (coarse and fine) were made.
Arredondo Rea, Susana Paola, Bernal Camacho, J.M., Corral Higuera, Ramón, Gámez García, Diana C., Gómez Soberón, José Manuel Vicente, Rosas Casarez,, Carlos Antonio, Ungsson Nieblas, Manuel de Jesús   +6 more
core   +2 more sources

Study on Mechanical Properties of Recycled Aggregate Concrete with Cement-Based Crystalline Materials [PDF]

E3S Web of Conferences
The acceleration of urbanization has led to the increasing scale of construction waste, which has caused a lot of waste of resources, and recycled aggregate concrete technology can effectively utilize these wastes. Due to the existence of complex systems
Ou Jinhao, Feng Jiang, Liu Jiaqi
doaj   +1 more source