Experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs

The use of self-compacting high performance composites due to its unique properties has attracted the attention of researchers.The high compressive strength and tensile strength, high flexural strength, have attracted the attention of researchers to this type of cement composites.In this research, i...

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Autores principales:	Ahmad Dalvand, amir mohammad amiri, behnaz jahangiri
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2021
Materias:	cementitious composite impact strength flexural strength steel fibers tensile strength Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/79f75404b37f4a51818f8f420d2ba44b
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spelling	oai:doaj.org-article:79f75404b37f4a51818f8f420d2ba44b2021-11-08T15:54:39ZExperimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs2476-39772538-261610.22065/jsce.2019.159762.1728https://doaj.org/article/79f75404b37f4a51818f8f420d2ba44b2021-05-01T00:00:00Zhttps://www.jsce.ir/article_86165_08d080cc86c17caeb95678ba5f7eca6a.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616The use of self-compacting high performance composites due to its unique properties has attracted the attention of researchers.The high compressive strength and tensile strength, high flexural strength, have attracted the attention of researchers to this type of cement composites.In this research, in the form of a comprehensive experimental work, using six basic mixing designs, 24 rectangular composite slabs 300 to 400 mm, with two thicknesses of 30 and 50 mm, were built and tested under impact load. Compressive,tensile and flexural strength tests were made on each of the six mixing designs. Also, to determine the efficacy of high performance composite, slump flow, L-box, U-box and V-funnel on mix designs have been done. Steel fibers with percentages of 0, 0.5 and 1% by volume fraction, with lengths of 25 and 50 mm, were used for the construction of cementitious composites. The impact test apparatus was made from a 5.6 kilogram steel ball and a retaining system. The steel ball was raised to a height of 1.5 meters and was freed repeatedly until failure cracking in the samples have been Developed. According to the results of the experiment, It was noted that the maximum energy absorption in a slab with a thickness of 30 mm was 34.22 kJ, and in a slab with a thickness of 50 mm was 47.49 kJ. The results of this experiment shows the high effect of steel fibers on increasing the impact resistance and absorbed energy of the composite slabs.Ahmad Dalvandamir mohammad amiribehnaz jahangiriIranian Society of Structrual Engineering (ISSE)articlecementitious compositeimpact strengthflexural strengthsteel fiberstensile strengthBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 8, Iss 3, Pp 5-22 (2021)
institution	DOAJ
collection	DOAJ
language	FA
topic	cementitious composite impact strength flexural strength steel fibers tensile strength Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	cementitious composite impact strength flexural strength steel fibers tensile strength Bridge engineering TG1-470 Building construction TH1-9745 Ahmad Dalvand amir mohammad amiri behnaz jahangiri Experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs
description	The use of self-compacting high performance composites due to its unique properties has attracted the attention of researchers.The high compressive strength and tensile strength, high flexural strength, have attracted the attention of researchers to this type of cement composites.In this research, in the form of a comprehensive experimental work, using six basic mixing designs, 24 rectangular composite slabs 300 to 400 mm, with two thicknesses of 30 and 50 mm, were built and tested under impact load. Compressive,tensile and flexural strength tests were made on each of the six mixing designs. Also, to determine the efficacy of high performance composite, slump flow, L-box, U-box and V-funnel on mix designs have been done. Steel fibers with percentages of 0, 0.5 and 1% by volume fraction, with lengths of 25 and 50 mm, were used for the construction of cementitious composites. The impact test apparatus was made from a 5.6 kilogram steel ball and a retaining system. The steel ball was raised to a height of 1.5 meters and was freed repeatedly until failure cracking in the samples have been Developed. According to the results of the experiment, It was noted that the maximum energy absorption in a slab with a thickness of 30 mm was 34.22 kJ, and in a slab with a thickness of 50 mm was 47.49 kJ. The results of this experiment shows the high effect of steel fibers on increasing the impact resistance and absorbed energy of the composite slabs.
format	article
author	Ahmad Dalvand amir mohammad amiri behnaz jahangiri
author_facet	Ahmad Dalvand amir mohammad amiri behnaz jahangiri
author_sort	Ahmad Dalvand
title	Experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs
title_short	Experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs
title_full	Experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs
title_fullStr	Experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs
title_full_unstemmed	Experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs
title_sort	experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2021
url	https://doaj.org/article/79f75404b37f4a51818f8f420d2ba44b
work_keys_str_mv	AT ahmaddalvand experimentalinvestigationoftheeffectofsteelfibersonmechanicalandimpactstrengthofselfcompactingcompositeslabs AT amirmohammadamiri experimentalinvestigationoftheeffectofsteelfibersonmechanicalandimpactstrengthofselfcompactingcompositeslabs AT behnazjahangiri experimentalinvestigationoftheeffectofsteelfibersonmechanicalandimpactstrengthofselfcompactingcompositeslabs
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Experimental investigation of the effect of steel fibers on mechanical and impact strength of self-compacting composite slabs

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