Results 31 to 40 of about 12,223 (160)

Compressive strength improvement for recycled concrete aggregate

open access: yesMATEC Web of Conferences, 2018
Increasing amount of construction waste and, concrete remnants, in particular pose a serious problem. Concrete waste exist in large amounts, do not decay and need long time for disintegration.
Mohammed Dhiyaa   +3 more
doaj   +1 more source

Influence of Recycled Aggregate Quality on the Mechanical Properties of Concrete

open access: yesCommunications, 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

Performance of concrete materials containing recycled aggregate from construction and demolition waste

open access: yesResults in Materials, 2022
The performance of recycled aggregate material from construction and demolition waste can affect concrete material strength that incorporates recycled aggregate in high volume.
Yonatan (Shanko) Ayele Abera, PhD
doaj   +1 more source

Recycled Aggregate [PDF]

open access: yes
The use of recycled aggregate has become a necessity for some countries due to the environmental and economical burden of dumping waste material. Recycled aggregate can be used in many ways, most commonly as base in road construction. The use of recycled aggregate in new concrete has been investigated and is currently being used for applications ...
openaire   +2 more sources

Properties of recycled aggregates from different composition and its influence on concrete strength

open access: yesRevista IBRACON de Estruturas e Materiais, 2021
: As a solution to the high depletion of natural resources and huge waste generated by the construction industry, the use of coarse recycled aggregate has become a trend in many countries. The construction and demolition waste is heterogeneous and mostly
Fernanda de Andrade Salgado   +1 more
doaj   +1 more source

The influence of recycled concrete aggregate on the properties of concrete

open access: yesMATEC 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   +2 more
doaj   +1 more source

Reinforcement of Recycled Aggregate by Microbial-Induced Mineralization and Deposition of Calcium Carbonate—Influencing Factors, Mechanism and Effect of Reinforcement

open access: yesCrystals, 2021
Recycled aggregate is aggregate prepared from construction waste. With the development of a global economy and people’s attention to sustainable development, recycled aggregate has shown advantages in replacing natural aggregate in the production of ...
Chunhua Feng   +5 more
doaj   +1 more source

Shear capacity modeling for I- and H-shaped steel reinforced recycled aggregate concrete beams: A short communication study based on modified compression field theory [PDF]

open access: yesAIP Advances
Against the backdrop of resource recycling of construction and demolition waste, the existing calculation methods for shear capacity of steel reinforced recycled aggregate concrete beams in engineering applications fail to fully account for the ...
Ruoqian Zhang   +5 more
doaj   +1 more source

Strengthening Effect of Nano-materials on the Compressive Strength and Microstructure of Recycled Brick Aggregate Concrete

open access: yesMedžiagotyra
To investigate the strengthening effect of different nano-materials on recycled brick aggregate concrete, this paper considered the influence of different nano-materials, different mixing amounts, and different mixing methods on the compressive strength ...
Shenao CUI   +8 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

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