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Experimental Investigation on the Effects of Recycled Pavement Materials on the Performance of Self-Compacting Concrete

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Title Experimental Investigation on the Effects of Recycled Pavement Materials on the Performance of Self-Compacting Concrete
 
Creator Boubekeur, Toufik
Salhi, Mohamed
Benyahia, Amar
Benaddi, Hachemi
 
Subject Cement
Compressive strength
Natural aggregate
Sorptivity
Workability
 
Description 445-452
Development and research of new compositions of Self-Compacting Concrete (SCC) based on Recycled Aggregates (RA)
and Recycled Pavement (RP) are primary objectives for builders. These aggregates must be suitable to produce an SCC with
properties acceptable for short and long term. This study presents experimental work focusing on the properties of SCC
obtained by the addition of 15%, 30% and 45% of RP to the Natural Aggregates (NA), both in the fresh and hardened states,
such as slump flow, T500 spread time, V-funnel flow time in the fresh state, Flexural Strength (Sf), Compressive Strength (Sc),
Sorptivity (S), Water Absorption (WA) and Porosity (P) in the hardened state. These properties have been investigated and
analysed in detail. The results indicate that the use of NA with that of RP up to 30% retains almost the same properties of the
SCC. Moreover, the relationship-based equations that express the variation of Sc and other parameters give fair correlation
coefficients, which are close to the value of one. Consequently, it is recommended to use RP with well-determined quantities
for manufacturing better SCC, which allows the recovery, recycling and valorization of large quantities of RP.
 
Date 2024-04-09T11:15:47Z
2024-04-09T11:15:47Z
2024-04
 
Type Article
 
Identifier 0022-4456 (Print); 0975-1084 (Online)
http://nopr.niscpr.res.in/handle/123456789/63724
https://doi.org/10.56042/jsir.v83i4.2679
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source JSIR Vol.83(4) [April 2024]