Results 31 to 40 of about 13,440 (167)

A comprehensive assessment of concrete with recycled coarse aggregate treated by a combination of heating, grinding, and acid-soaking process

Revista Ingeniería de Construcción
Waste generated after a concrete construction demolition causes environmental problems. Utilization of recycled aggregates extracted from concrete waste has been recommended to overcome these problems.
Ni Nyoman Kencanawati, Ngudiyon Ngudiyono, Buan Anshari, Han Ay Lie   +3 more
doaj   +1 more source

Recycled aggregates in concrete production: engineering properties and environmental impact

MATEC 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

Structural Performance of Recycled Aggregate Concrete Confined by Spiral Reinforcement

Journal 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, Bum-Sik Lee, Young-Seek Kim, Sun-Hee Lee, Kil-Hee Kim   +4 more
doaj   +1 more source

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

Mehran 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, Rashid Hameed, Usman Akmal, Asad Ali Gillani, Muhammad Ilyas   +4 more
doaj   +1 more source

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

Buildings, 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, Pedro R. da Silva, Jorge de Brito   +2 more
doaj   +1 more source

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

Journal 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

Influence of untreated and treated recycled coarse aggregates on engineering properties of slag dolomite geopolymer concrete

Scientific Reports
In search of sustainable construction material as an alternative to existing ordinary cement concrete, the use of recycled aggregates in geopolymer concrete has garnered significant attention.
Najeeb Manhanpally, Praveen Nagarajan, Suman Saha, Blessen Skariah Thomas   +3 more
doaj   +1 more source

Towards Better Understanding of Concrete Containing Recycled Concrete Aggregate

Advances in Materials Science and Engineering, 2013
The effect of using recycled concrete aggregates (RCA) on the basic properties of normal concrete is studied. First, recycled aggregate properties have been determined and compared to those of normal aggregates.
Hisham Qasrawi, Iqbal Marie
doaj   +1 more source

Influence of silica fume on mechanical and physical properties of recycled aggregate concrete

HBRC Journal, 2015
Several studies related to sustainable concrete construction have encouraged development of composite binders, involving Portland cement, industrial by-products, and concrete mixes with partial replacement of natural aggregate with recycled aggregate. In
Özgür Çakır, Ömer Özkan Sofyanlı
doaj   +1 more source

Experimental Study on Carbonization and Strengthening Performance of Recycled Aggregate

Buildings
In order to address a challenging issue in the recycling of construction debris, the impact of carbonization treatment on the characteristics of recycled aggregates (RCAs) was experimentally examined in this work.
Mingqiang Lin, Xiang Li, Maozhi Wei, Qun Xie   +3 more
doaj   +1 more source