Strengthening rectangular columns using recycled PET bottle strips

Ongpeng, Jason Maximino C.; Barra, John; Carampatana, Kristin; Sebastián, Christian; Yu, Julienne James; Aviso, Kathleen B.; Tan, Raymond R.

doi:10.1016/j.jestch.2020.07.006

Cited by 14 publications

(8 citation statements)

References 33 publications

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“…Notably, enhancement in P u due to RF is close to increasing ratios that occurred in high strength concrete fibrous columns due to EF 4,27,65 . Additionally, results of an experimental investigation reveal a 19%–70% improvement in ultimate compressive strength for rectangular columns reinforced with recycled plastic strips on the outside 39 …”

Section: Comparison With Previous Investigationssupporting

confidence: 53%

“…4,27,65 Additionally, results of an experimental investigation reveal a 19%-70% improvement in ultimate compressive strength for rectangular columns reinforced with recycled plastic strips on the outside. 39…”

Section: Comparison With Previous Investigationsmentioning

confidence: 99%

“…Currently, plastic is consumed at high rates, which leads to the difficulty of disposal by normal methods such as burning or burial. 39 Most of these plastics are polyethylene terephthalate (PET) bottles that are used in single-use drinking water containers only. The purpose of this investigation is to see how much better plastic performs than steel fibers in terms of RC column behavior.…”

Section: Research Importancementioning

confidence: 99%

“…Currently, plastic is consumed at high rates, which leads to the difficulty of disposal by normal methods such as burning or burial 39 . Most of these plastics are polyethylene terephthalate (PET) bottles that are used in single‐use drinking water containers only.…”

Section: Research Importancementioning

confidence: 99%

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Behavior of RC columns incorporating with steel and recycled plastic fibers under eccentric load: An experimental work

Fayed

Mansour

2023

Structural Concrete

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There was a dearth of research into the behavior of eccentric RC columns reinforced with fibers, particularly recycled plastic fiber (RF) reinforced columns. The effect of employing end hooked steel fiber (EF) and RF on the performance of eccentric columns was explored in this experiment. Under compressive eccentric load, eight RC columns of 150 × 150 × 1000 mm with a 2% longitudinal reinforcement ratio were tested up to failure. The ratio of load eccentricity to column dimension was 15%. The fiber content (Vf) was variable. Both EF and RF had a Vf of 1%, 2%, and 3%. The applied load was recorded axial/lateral displacement and transverse/longitudinal reinforcement strain. The ultimate load (Pu), ultimate displacement, yield load, stiffness, and ductility index (∆) were all calculated to investigate column behavior. Results showed that adding fibers prevented the concrete cover separation hence prevented the sudden failure as it happened in the control column without fiber (P0). 1% RF and 2% EF enhanced Pu by 10.4% and 34.8%, respectively, while fiber content 3% decreased Pu. Stiffness of columns containing 1% RF and 2% EF was 16.3% and 33.8% higher than that of P0, respectively. The use of 1% and 2% EF delayed yield load, resulting in improved column performance. All fiber contents significantly improved ductility, with enhancement rates ranging from 4.2% with 3% RF to 146.2% with 3% EF. Also, use of 1% RF increased ductility by 70.6%.

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Section: Comparison With Previous Investigationssupporting

confidence: 53%

Section: Comparison With Previous Investigationsmentioning

confidence: 99%

Section: Research Importancementioning

confidence: 99%

Section: Research Importancementioning

confidence: 99%

See 2 more Smart Citations

Behavior of RC columns incorporating with steel and recycled plastic fibers under eccentric load: An experimental work

Fayed

Mansour

2023

Structural Concrete

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“…Experiments from many previous researchers have shown different results [32][33][34][35][36][37][38][39][40][41]. All researchers reported that adding fiber from waste materials into concrete mixes reduces the workability of the concrete.…”

Section: Introductionmentioning

confidence: 98%

Development of Eco-friendly Self-compacting Concrete Using Fly Ash and Waste Polyethylene Terephthalate Bottle Fiber

et al. 2023

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This study aims to utilize fly ash and waste PET bottles for producing more sustainable self-compacting concrete (SCC) with better mechanical strength. Fly ash is utilized as a supplementary cement material and waste PET bottles as fiber reinforcement to improve its flexural strength and achieve the targeted compressive strength. The experimental works were conducted on eight variations using 80 specimens, divided into two main groups of partial cement replacement using 0% and 15% fly ash by weight. The two variants are added with PET fiber based on the volume fractions of 0%, 0.25%, 0.50%, and 0.75%. Fresh concrete was tested using the slump flow method (T50) and the Visual Stability Index (VSI) based on ASTM 1611. The hardened concrete tests are conducted after 56 days and include testing the concrete's compressive strength, flexural strength, and ultrasonic pulse velocity. Test results showed that the presence of PET fiber in the SCC mix decreased its flowability. However, when added up to 0.75%, the mixes still meet the flowability requirements of fresh-state SCC. PET fiber addition tends to reduce the compressive strength, whereas the reduction in compressive strength of SCC with PET fiber without fly ash is insignificant. However, in SCC that uses fly ash, the addition of PET fiber causes a significant decrease in its compressive strength. Adding PET fiber into SCC mixes can increase flexural strength, both for the two variants: SCC without fly ash and SCC with fly ash. It can be concluded that PET waste fiber with an aspect ratio of 40 can be added up to 0.5% for SCC without fly ash and up to 0.25% by volume fraction for SCC with fly ash addition. The ultrasonic pulse velocity test results have an excellent tendency to predict the concrete's compressive and flexural strengths. Therefore, the UPV test can be applied for the non-destructive test evaluation of PET fiber-reinforced SCC. Doi: 10.28991/CEJ-2023-09-02-014 Full Text: PDF

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Life Cycle Assessment and Carbon Footprint Analysis of Recycled Aggregates in the Construction of Earth-Retaining Walls During Reconstruction

Ongpeng

Ginga

2021

Advances of Footprint Family for Sustainable Energy and Industrial Systems

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Strengthening rectangular columns using recycled PET bottle strips

Cited by 14 publications

References 33 publications

Behavior of RC columns incorporating with steel and recycled plastic fibers under eccentric load: An experimental work

Behavior of RC columns incorporating with steel and recycled plastic fibers under eccentric load: An experimental work

Development of Eco-friendly Self-compacting Concrete Using Fly Ash and Waste Polyethylene Terephthalate Bottle Fiber

Life Cycle Assessment and Carbon Footprint Analysis of Recycled Aggregates in the Construction of Earth-Retaining Walls During Reconstruction

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