Results 41 to 50 of about 131,427 (317)

Experimental Study on Preparation and Characteristics of Concrete Modified by Construction Waste

open access: yesApplied Sciences
With the advancement of urbanization construction, the proportion of construction waste to the total urban waste continues to increase, especially waste concrete.
Jing Zhang   +3 more
doaj   +1 more source

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

open access: yesNonlinear 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

Study of the Freeze–Thaw Resistance for Composite Fiber Recycled Concrete with Sulphate Attack Exposure

open access: yesBuildings, 2023
The exposure of recycled concrete (RCA) to a sulphate environment in cold regions makes it crucial to overcome the freeze–thaw cycling effects of recycled concrete.
Xiaosa Yuan   +3 more
doaj   +1 more source

Reliability-based analysis of recycled aggregate concrete under carbonation [PDF]

open access: yes, 2018
Durability represents a crucial issue for evaluating safety and serviceability of reinforced concrete structures. Many studies have already focused on carbonation-induced corrosion of natural aggregate concrete (NAC) structures, leading to several ...
Faleschini, Flora   +2 more
core   +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

Freeze-thaw durability of recycled concrete from construction and demolition wastes [PDF]

open access: yes, 2017
Road engineering is one of the most accepted applications for concrete including recycled aggregates from construction and demolition wastes as a partial replacement of the natural coarse aggregates.
De Belie, Nele   +5 more
core   +1 more source

Thermal Conductivity of Crumb Rubber as Partial Sand Replacement and Recycled Aggregates as Partial Coarse Aggregate Replacement in Concrete [PDF]

open access: yes, 2020
Disposal of waste tire rubber has become a major environmental issue worldwide and is increasing day by day, especially in Malaysia where carbon emission is among the highest in the world.
Mohd Zuki, Sharifah Salwa   +3 more
core  

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

open access: yes, 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   +1 more
core   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

Strength Development and Durability of Concrete Containing Recycled Roof Tile Aggregate

open access: yesRecycling, 2019
The use of recycled aggregate in new concrete has often been limited due to concerns over their quality and structural performance. This research aims to investigate the physical properties of recycled roof tile aggregate and its suitability for concrete
Alhagie Bakary Ceesay, Shingo Miyazawa
doaj   +1 more source

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