Results 31 to 40 of about 12,580 (148)

Influence of hydraulic jigging of construction and demolition waste recycled aggregate on hardened concrete properties

open access: yesRevista IBRACON de Estruturas e Materiais, 2021
: Concern with the maintenance of natural resources has increased research about recycled aggregates for concrete production. However, the heterogeneity of recycled aggregates is one of the main constraints for their use in practice, because it can ...
Iago Lopes dos Santos   +2 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

Physical and mechanical behaviour of recycled concrete under destructive and non-destructive testing

open access: yesBudownictwo i Architektura
Aggregates recycled from construction sites may exhibit slightly inferior characteristics compared to natural aggregates in terms of porosity, friability, and variability.
Lynda Amel Chaabane   +4 more
doaj   +1 more source

Recycled aggregates in concrete production: engineering properties and environmental impact

open access: yesMATEC Web of Conferences, 2017
Recycled concrete aggregate is considered as the most abundant and used secondary aggregate in concrete production, other types of solid waste are also being used in concrete for specific purposes and to achieve some desired properties.
Seddik Meddah Mohammed
doaj   +1 more source

Effect of Recycled Aggregates on the Energy Dissipation Capacity of RC Beam subjected to Reverse Cyclic Flexural Loading

open access: yesMehran University Research Journal of Engineering and Technology, 2021
The energy dissipation capacity of concrete is an important aspect for a Reinforced Concrete (RC) structure to be seismically resistant. Various types of concrete incorporating sustainable materials are being developed these days such as recycled ...
Muhammad Rizwan Riaz   +4 more
doaj   +1 more source

Structural Performance of Recycled Aggregate Concrete Confined by Spiral Reinforcement

open access: yesJournal of Asian Architecture and Building Engineering, 2018
This paper estimates the structural behavior of recycled aggregate concrete confined by spiral reinforcement. The main test parameters are designed to be the type of aggregates, replacement ratio of recycled aggregates, steel ratio and yield strength of ...
Sang-Woo Kim   +4 more
doaj   +1 more source

High-Performance Self-Compacting Concrete with Recycled Aggregates from the Precast Industry: Durability Assessment

open access: yesBuildings, 2020
The main objective of this paper is to provide the industry with a simple and practical way of disposing and recovering recycled waste from precast reinforced concrete elements rejected during the quality control process, while minimizing the consumption
Tiago Barroqueiro   +2 more
doaj   +1 more source

Influence of cement type and chemical admixtures on the durability of recycled concrete aggregates

open access: yesMagazine of Civil Engineering, 2022
This study investigates the effect of replacement of natural aggregates with recycled concrete aggregates on the durability of concrete. Three different combinations of cement and chemical admixtures were considered, and the produced mixtures were ...
Tahar Zine El Abidine   +3 more
doaj   +1 more source

Performance and Usability Assessment of Recycled Aggregate Extracted from Demolished Concrete Subjected to Multiple Recycling [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering
Concrete recycling is a growing trend in sustainable construction that aims to protect natural ingredients and reduce waste generation. However, most research focuses on first-generation recycled aggregates, and further evidence of recycled green ...
Md Roknuzzaman, Md Rahman, Md Islam
doaj   +1 more source

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