Results 31 to 40 of about 1,412,651 (356)

Chemical aspects related to using recycled geopolymers as aggregates [PDF]

open access: yes, 2018
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.Despite extensive research ...
Andrew Heath   +7 more
core   +2 more sources

Determination of Gradation of Recycled Mixed Coarse Aggregates for Pavement Base or Subbase by Crushing Fractals

open access: yesAdvances in Materials Science and Engineering, 2019
A loading crushing test of recycled mixed coarse aggregates in the same particle diameter range is carried out, and the crushed coarse aggregates are screened, manually sorted, and weighed to study the crushing characteristics of recycled mixed coarse ...
Jianjun Li   +3 more
doaj   +1 more source

Mechanical behavior of hot-mix asphalt made with recycled concrete aggregates from construction and demolition waste: a design of experiments approach [PDF]

open access: yes, 2019
[Abstract:] The present work is a re-evaluation of previous research on the durability of hot-mix asphalt made with recycled concrete aggregates from construction and demolition waste (CDW) with a different approach.
Galán-Díaz, Juan José   +3 more
core   +2 more sources

Alkali silica reaction in concrete induced by mortar adhered to recycled aggregate

open access: yesMateriales de Construccion, 2010
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.
M. Etxeberria, E. Vázquez
doaj   +1 more source

Are geopolymers more suitable than Portland cement to produce high volume recycled aggregates HPC? [PDF]

open access: yes, 2012
The 70% minimum construction and demolition wastes-C&DW recycling rate set by the Revised Waste framework Directive No. 2008/98/EC to be enforced beyond 2020, will increase the need of effective recycling methods in a dramatic manner.
Abdollahnejad, Zahra   +4 more
core   +1 more source

Concrete produced with recycled aggregates

open access: yesRevista IBRACON de Estruturas e Materiais
This paper presents the analysis of the mechanical and durable properties of recycled aggregate concrete (RAC) for using in concrete. The porosity of recycled coarse aggregates is known to influence the fresh and hardened concrete properties and these ...
J. J. L. Tenório   +3 more
doaj   +1 more source

Effect of Use Recycled Coarse Aggregate on the Behavior of Axially Loaded Reinforced Concrete Columns

open access: yesJournal of Engineering, 2019
Nowadays, the use of recycled waste construction materials instead of aggregates is becoming popular in construction owing to its environmental benefits.
Omar Shamal Farhan
doaj   +1 more source

Evaluation of Structural Mortars Made with Mixed Recycled Aggregates with Different Composition

open access: yesRevista Cubana de Ingeniería, 2013
In the present study are analyzed the mechanical and durability properties of structural mortars made with total replacement of natural aggregates by recycled aggregates.
Iván Martínez Herrera   +2 more
doaj   +1 more source

Application of inert wastes in the construction, operation and closure of landfills: calculation tool [PDF]

open access: yes, 2017
Waste from construction and demolition activities represents one of the highest volumes of waste in Europe. 500 million tonnes are produced throughout the whole EU every year.
Colomer Mendoza, Francisco José   +2 more
core   +1 more source

Experimental analysis of mechanical performance and microstructural behavior of recycled aggregate concrete [PDF]

open access: yesE3S Web of Conferences
The use of recycled aggregates in concrete offers significant opportunities for material reuse and waste reduction in construction. The utilization offers a sustainable solution to the growing problem of excess waste material, provided that the required ...
S A Swapna   +4 more
doaj   +1 more source

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