Use of recycled aggregate concrete in structural members: A review focused on Southeast Asia

RP Neupane, T Imjai, N Makul, R Garcia… - Journal of Asian …, 2023 - Taylor & Francis
This article presents a comprehensive review on the use of recycled concrete aggregate
(RCA) and recycled aggregate concrete (RAC) in construction, with emphasis on structural …

A new equation to predict the shear strength of recycled aggregate concrete Z push-off specimens

T Imjai, F Kefyalew, P Aosai, R Garcia, B Kim… - Cement and Concrete …, 2023 - Elsevier
This article investigates the shear behaviour of Recycled Aggregate Concrete (RAC) Z push-
off specimens. Fifteen specimens with different replacement levels of recycled concrete …

Modification of construction waste derived recycled aggregate via CO2 curing to enhance corrosive freeze-thaw durability of concrete

X Peng, F Shi, J Yang, Q Yang, H Wang… - Journal of Cleaner …, 2023 - Elsevier
Although the utilization of construction waste derived recycled aggregate (CWDRA) has
been reported as a promising way to reduce carbon emission and energy consumption for …

A review of punching behavior of slab–column connections with recycled coarse aggregate concrete

A Ramos, C Marchão, JN Pacheco… - Structural …, 2024 - Wiley Online Library
This paper presents a state‐of‐art regarding the punching of flat slabs made with coarse
recycled concrete aggregate concrete (CRCAC). Punching shear is a phenomenon that …

Serviceability behaviour of FRP-reinforced slatted slabs made of high-content recycled aggregate concrete

T Imjai, R Garcia, B Kim, C Hansapinyo… - Structures, 2023 - Elsevier
At service load levels, shear-induced deflections of reinforced concrete (RC) slabs are small
and therefore they are usually ignored in deflection calculations. However, shear-induced …

Effect of crushing method on the properties of produced recycled concrete aggregates

J Hubert, Z Zhao, F Michel, L Courard - Buildings, 2023 - mdpi.com
Construction and Demolition Waste (C&DW) is generated around the world and its quantity
will increase in the future. Recycling has become the favored method of dealing with …

Structural and service performance of composite slabs with high recycled aggregate concrete contents

T Imjai, F Kefyalew, R Garcia, B Kim - Engineered Science, 2023 - pearl.plymouth.ac.uk
This study investigates the structural and serviceability performance of composite slabs cast
with recycled aggregate concrete (RAC). Fifteen slabs (2.0 m by 1.0 m and 0.15 m thick) …

[PDF][PDF] A new constitutive model for recycled aggregate concrete cylinders actively confined with post-tensioned metal straps

RP Neupane, T Imjai, R Garcia, UJ Alengaram - Sustain Struct, 2024 - researchgate.net
The compressive strength of cylindrical columns of recycled aggregate concrete (RAC) is
lower than that of equivalent normal concrete columns. Active confinement can recover …

Effect of recycled concrete aggregates on the punching strength of slab-column connections without shear reinforcement

MP Ferreira, IIR Damasceno, MJM Pereira Filho… - Journal of Building …, 2024 - Elsevier
This paper presents the results of tests on six reinforced concrete slab-column connections.
The slabs were octagonal, centrally supported on square columns, and concentrically …

Failure mode identification in reinforced concrete flat slabs using advanced ensemble neural networks

MS Barkhordari, H Fattahi, DJ Armaghani… - … Experiments and Design, 2024 - Springer
Reinforced concrete (RC) flat slabs without transverse reinforcement are commonly used in
RC buildings. Despite their appeal and widespread use, these slabs are susceptible to …