A review of experimental results on structural performance of reinforced recycled aggregate concrete beams and columns

Deresa, Simret Tesfaye; Xu, Jinjun; Demartino, Cristoforo; Heo, YeongAe; Li, Zhi; Xiao, Yan

doi:10.1177/1369433220934564

Cited by 42 publications

(22 citation statements)

References 93 publications

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“…The beams were designed to fail under shear. However, the a/d does not necessarily affect the failure patterns of beams [13,14]. Two Point loading configurations have been used for structural beam tests.…”

Section: Experimental Setup For Beammentioning

confidence: 99%

Experimental Study on Light Weight Concrete using Plastic Waste as a Partial Replacement of Fine Aggregate

Mozumder

Abedin

Islam

2023

Preprint

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Waste from plastic materials is outstripped due to the growth of industrialization and urbanization. Plastic materials are non-biodegradable; decomposition is not possible all the time. Recycled plastic materials by using concrete, will be a great deal for plastic management for a certain period. Aims to measure the optimum percentage of plastic in concrete without a reduction in concrete strength. The goal of this experimental investigation is to clarify the shear cracking behavior of reinforced concrete beams with the combination of fine aggregates such as Recycled Polyethylene Terephthalate (RPET) and Polypropylene (PP) in the weight fraction of fine aggregate. Using the provision of Mix Design ACI 211.1-91, the M28 concrete grade was created. The mechanical characteristics and shear performance were examined for concrete made utilizing various hybrid combinations. Plastic materials were collected and passed through a No-4 sieve (4.76mm). Reinforced concrete beams(750mm*150mm*150mm) and cylinder specimens of concrete (100mm diameter and 200mm height) were made by the mixture of plastic materials as a percentage of total fine aggregate in the mix (0%, 2%, 4%, 6%, 8%, 10%). The beams were conducted for the shear capacity test and the cylinder specimens for the compressive test and tensile splitting test. The beams are reinforced with two 12 mm steel bars in the tension zone of the beam with a proper clear cover. The experimental findings demonstrate which partial replacement of fine aggregate produced the best outcomes and also analyze shear behavior and fracture development.

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Section: Experimental Setup For Beammentioning

confidence: 99%

Experimental Study on Light Weight Concrete using Plastic Waste as a Partial Replacement of Fine Aggregate

Mozumder

Abedin

Islam

2023

Preprint

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“…The treatment and application of C&D wastes are major problems in the development of urban construction. The application technology of recycled aggregate concrete (RAC) can not only reduce the mining of natural gravel and river sand but can also effectively consume C&D wastes (Deresa et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Effects of air-entraining agent and polypropylene fiber on the mechanical properties, autogenous shrinkage, and fracture properties of fully recycled aggregate concrete

Ding

Zhang²,

Zhao³

et al. 2022

Front. Mater.

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The effects of air-entraining agent (AEA) and polypropylene fiber (PPF) on the autogenous shrinkage and fracture properties of fully recycled aggregate concrete (FRAC) are studied to obtain FRAC with low density, low autogenous shrinkage, and superior fracture properties. Six groups of FRAC with different AEA (0, 5%, 10%) and PPF (0, 1.2 kg/m3) contents were prepared for test. The results illustrate that AEA can slightly reduce density but that it has an adverse effect on the strength and fracture properties of FRAC. The incorporation of PPFs can reduce the adverse effect of AEA on compressive strength and splitting tensile strength, but it will increase the adverse effect on fracture properties. Furthermore, the addition of PPFs alone will significantly reduce compressive strength and splitting tensile strength, whereas flexural strength and fracture properties are increased. The addition of AEA can improve the adverse effect of PPFs on compressive strength and splitting tensile strength, but flexural strength and fracture properties will decrease rather than increase. The addition of 10% AEA can greatly reduce autogenous shrinkage, and 5% AEA can reduce autogenous shrinkage at an early age. Incorporating PPFs can further reduce autogenous shrinkage. The study mainly examines the effects of AEA and PPF on the autogenous shrinkage of FRAC, and provides some new ideas for producing high-performance FRAC. At the same time, the cooperative effect of AEA and PPF on the properties of FRAC is also studied.

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“…The method used to make concrete from the constituent materials using concrete waste as coarse aggregate per the rules of science is experimental [8]. The tests include the aggregate moisture content test [9] [10].…”

Section: Introductionmentioning

confidence: 99%

Experimental Study of Concrete Making Using Recycled Coarse Aggregate

Maskur

Mahardana²,

Dewandono³

et al. 2022

civilla

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Concrete is a form of construction in the form of a composite material consisting of a mixture of fine aggregate, coarse aggregate, cement, and water. However, in certain cases, the concrete application is often a problem, especially the lack of a minimal amount of coarse aggregate material, increasing material prices. Recycled concrete aggregate (RCA) is an embodiment of concrete composed of recycled materials. Recycled material is obtained from fragments or remnants of the demolition of unused concrete. The method used to make concrete from the constituent materials using concrete waste as coarse aggregate per the rules of science is experimental. The tests are the aggregate moisture content test, the mud content test, the coarse aggregate abrasion test, the slump test, and the concrete compressive strength test at 28 days of treatment. The compressive strength results showed that the normal concrete sample could reach FC 18.53 MPa. The concrete sample using recycled coarse aggregate reached FC 23.79 MPa, so using recycled materials for manufacturing concrete can achieve the planned target

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A review of experimental results on structural performance of reinforced recycled aggregate concrete beams and columns

Cited by 42 publications

References 93 publications

Experimental Study on Light Weight Concrete using Plastic Waste as a Partial Replacement of Fine Aggregate

Experimental Study on Light Weight Concrete using Plastic Waste as a Partial Replacement of Fine Aggregate

Effects of air-entraining agent and polypropylene fiber on the mechanical properties, autogenous shrinkage, and fracture properties of fully recycled aggregate concrete

Experimental Study of Concrete Making Using Recycled Coarse Aggregate

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