Durability and strength characteristics of high-strength concrete incorporated with volcanic pumice powder and polypropylene fibers
TLDR
In this article, the partial replacement of volcanic pumice powder (VPP) for use as a supplementary cementitious material was investigated for use in high-strength concrete mixtures, and several tests, including slump, compressive strength, indirect tensile strength, flexural strength, water absorption, initial surface absorption and sorptivity, were conducted to evaluate HSC performance.Abstract:
In this paper, the partial replacement of volcanic pumice powder (VPP) was investigated for use as a supplementary cementitious material. High-strength concrete (HSC) was prepared using two sets of VPP (10% and 20%) incorporated with three sets of polypropylene fiber (PF) (0.20%, 0.35%, and 0.50%) to produce different concrete mixtures. Several tests, including slump, compressive strength, indirect tensile strength, flexural strength, water absorption, initial surface absorption, and sorptivity, were conducted to evaluate HSC performance. Results showed the prepared specimens with 10% cement replacement with VPP and 0.20% PF content indicated a slight increase in compressive strength compared with the control concrete at later ages. Indirect tensile and flexural strengths were optimized at 10% VPP replacement with 0.50% PF content. Furthermore, adding PFs to mixes increased indirect tensile and flexural strength but decreased slump. The sorptivity test indicated low water soaking due to VPP content in the mixes compared with the control mix (HSC); it declined as the replacement of VPP increased. The different standard tests on mixes depicted favorable results and good prospects for the inclusion of VPP in HSC structures.read more
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American Society for Testing and Materials
TL;DR: The American Society for Testing and Materials (ASTM) as mentioned in this paper is an independent organization devoted to the development of standards for testing and materials, and is a member of IEEE 802.11.
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The effect of using nano rice husk ash of different burning degrees on ultra-high-performance concrete properties
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Investigating the mechanical and microstructure properties of fibre-reinforced lightweight concrete under elevated temperatures
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Engineering properties of self-cured normal and high strength concrete produced using polyethylene glycol and porous ceramic waste as coarse aggregate
TL;DR: In this paper, the effect of self-curing concretes on the engineering properties of normal strength concrete (NSC) and high-strength concrete (HSC) was investigated.
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Influence of recycled aggregates and carbon nanofibres on properties of ultra-high-performance concrete under elevated temperatures
Mohamed Amin,Ibrahim Hakeem,Abdullah M. Zeyad,Bassam A. Tayeh,A. M. Maglad,Ibrahim Saad Agwa +5 more
TL;DR: In this paper , the use of recycled coarse aggregate (RCA) as a replacement for 50% of the total natural coarse aggregate was investigated. And the results showed that the addition of fiber contributed to the improvement of the concrete properties.
References
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Reference EntryDOI
American Society for Testing and Materials
TL;DR: The American Society for Testing and Materials (ASTM) as mentioned in this paper is an independent organization devoted to the development of standards for testing and materials, and is a member of IEEE 802.11.
Journal ArticleDOI
Influence of supplementary cementitious materials on engineering properties of high strength concrete
TL;DR: In this paper, the influence of supplementary cementitious materials (SCMs), namely silica fume, metakaolin, fly ash and ground granulated blast-furnace slag, on the engineering properties of high strength concrete (HSC) has been investigated in order to quantify the effects of different materials.
Journal ArticleDOI
Waste glass powder as partial replacement of cement for sustainable concrete practice
TL;DR: In this paper, chemical properties of both clear and colored glass were evaluated using X-ray fluorescence (XRF) technique and found minor differences in composition between clear and coloured glasses.
Journal ArticleDOI
Comparison of compressive and splitting tensile strength of high-strength concrete with and without polypropylene fibers heated to high temperatures
Ali Behnood,Masoud Ghandehari +1 more
TL;DR: In this article, an extensive experimental study on the compressive and splitting tensile strength of high-strength concrete with and without polypropylene (PP) fibers after heating to 600°C was presented.
Journal ArticleDOI
Engineering and transport properties of high-strength green concrete containing high volume of ultrafine palm oil fuel ash
TL;DR: In this paper, the engineering and transport properties of high-strength green concrete (HSGC) containing up to 60% of ultrafine palm oil fuel ash (POFA) have been studied.