Experimental Studies on Properties Of Self-Compacting Concrete
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 8
Abstract
the present study aims to investigate the fresh and mechanical properties of Self Compacting Concrete (SCC), with fly ash as a partial replacement of cement. For this purpose fly ash from, “Panipat Thermal Power Station, Panipat” was used. In this study, twenty four mixes were investigated. A Sulphonated Naphthalene-Formaldehyde (SNF) based super plasticiser was used to increase the workability of normal slump concrete. The super plasticiser dosage was kept constant for all the SCC mixes. To make the SCC mix economical, cement was replaced by fly ash in SCC varying percentage ranging from 20% to 40%. The proportions of coarse as well as fine aggregate were kept constant for all mixes. Slump Flow Test, V-Funnel (T10sec and T5min) test, J-Ring test, L-Box test and U-Box test were carried to obtain the fresh properties of SCC mixes i.e. filling ability, passing ability and segregation resistance. The mechanical properties of hardened concrete were also investigated in terms of compressive strength. The test result shows that the compressive strength of SCC mixes is decreased initially by increasing the fly ash content and increased later on. First ten mixes has not satisfied the specific requirements of fresh properties as per the EFNARC standard of SCC mix. Thus, trials were carried out for SCC mix design till the specific requirements for SCC mixes as per EFNARC standard were achieved.
Authors and Affiliations
Amit Bahuguna, Sanjay Sangwan, Avadhesh Chandra Mauli
Keywords
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