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Valorization of recycled aggregate in concrete and mortar : part B : using recycled fine aggregate as a replacement for natural aggregates in mortar and as a replacement of cement
Other Title(s)
تحسين جودة و استخدام الحصمة المعاد تدويرها : الجزء ب : استخدام الحبيبات الصغيرة المعاد تدويرها كبديل عن الحصمة الطبيعية في خلطة المونة و كبديل عن الإسمنت
Author
Source
IUG Journal of Natural Studies
Issue
Vol. 23, Issue 1 (30 Jun. 2015), pp.26-37, 12 p.
Publisher
The Islamic University-Gaza Deanship of Research and Graduate Affairs
Publication Date
2015-06-30
Country of Publication
Palestine (Gaza Strip)
No. of Pages
12
Main Subjects
Topics
Abstract EN
In this study, the influences of partial replacements of sand by fine recycled aggregate (RA), and replacement of cement by very fine RA, on the mechanical behaviour and the microstructure changes of mortar were investigated.
An experimental program was carried out for producing mortar incorporated with large volumes of RA of various particle sizes.
Using the two-step method, five mixtures were made for each part of study (part 1: only aggregate less than 630μm, and part 2: 360μm were replaced by natural aggregate NA), starting by a mix with 100 % of RA, and then 75%, 50%, 25% and 0%.
Prism samples were molded in (4*4*16 cm) for mechanical testing (flexure and compression).
The results obtained showed that it is possible to use the fine RA to give mixes with compressive strength and flexure strength close to the control mix.
Moreover, the use of super-plasticizer leads to a significant increase for both strengths.
In the case of the replacement of cement with the very fine RA and in order to obtain green cement, both compressive and flexure strengths are closer to the control mix, which is consistent with microstructure investigations.-
American Psychological Association (APA)
al-Aqra, Hussam A.. 2015. Valorization of recycled aggregate in concrete and mortar : part B : using recycled fine aggregate as a replacement for natural aggregates in mortar and as a replacement of cement. IUG Journal of Natural Studies،Vol. 23, no. 1, pp.26-37.
https://search.emarefa.net/detail/BIM-536725
Modern Language Association (MLA)
al-Aqra, Hussam A.. Valorization of recycled aggregate in concrete and mortar : part B : using recycled fine aggregate as a replacement for natural aggregates in mortar and as a replacement of cement. IUG Journal of Natural Studies Vol. 23, no. 1 (2015), pp.26-37.
https://search.emarefa.net/detail/BIM-536725
American Medical Association (AMA)
al-Aqra, Hussam A.. Valorization of recycled aggregate in concrete and mortar : part B : using recycled fine aggregate as a replacement for natural aggregates in mortar and as a replacement of cement. IUG Journal of Natural Studies. 2015. Vol. 23, no. 1, pp.26-37.
https://search.emarefa.net/detail/BIM-536725
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 36-37
Record ID
BIM-536725