An Influence of Recycled Concrete Aggregate and Treated Waste Water Containing 50% GGBS Content in Light weight Concrete Mixes

Ms.Bandhavya G B Gowda

Authors

Ms.Bandhavya G B Gowda Navkis College of Engineering , Hassan https://orcid.org/0000-0001-9920-5302

Keywords:

Natural Aggregate , Recycled Aggregate , Concrete Waste , Treated waste water , GGBS

Abstract

Extraction of natural aggregates is expensive and has a huge impact on the environment. The main issues in sand and gravel mining are the large areas that are affected, ground water level changes, illegal mining, unsuitability of desert and marine sand, and costs of transport. Metallurgical waste can be used as a substitute for natural aggregates, the waste is recycled and the use of natural aggregates is reduced. Environmental sources are diminishing every day and hence, usage of available sources become even more important..The novelty of this research reports the experimental examination of applying Recycled Aggregate (RA), Treated wastewater (TW) and GGBS in concrete. Four groups of mixes were developed (Groups NW, TW, NWG, and TWG) with each group consisting of four mixes, providing a total of 16 mixes. Group NW: 100% Natural Water (NW) with different percent ratio of RA contents Group TW: 100% Treated waste water (TW) with different percent ratio of RA contents Group NWG: 100% Natural Water (NW) and 50% GGBS (replacement with Portland cement [PC]) with different percent ratio of RA content Group TWG: 100% TW and 50% GGBS (replacement with PC) with different percent ratio of RA contents The test result are compressive strength tests after 1,7,15, and 28 days. The statistical analysis results showed that the effect on concrete compressive strength was only significant when 20% RA was used in concrete exposed to TWW with 50% replacement of GGBS.

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Author Biography

Ms.Bandhavya G B Gowda, Navkis College of Engineering , Hassan

Assistant Professor at Navkis College of Engineering with 10+ years of experience. Attended more than 15 Workshops, Published in many Journals, and Guided so many students, 2018 my student project was founded by KSCST and awarded as VTU's Best project titled TREATMENT OF LOW STRENGTH WASTEWATER CHARACTERISTICS BY FLOATING TECHNIQUE, in 2021 My student gets founded and awarded by VTU Best Project titled EXTRACTION OF CRUDE OIL FROM PLASTIC WASTE USING PYROLYSIS TREATMENT, In 2022 My student gets founded with 45th Series KSCST Project.

AREAS OF INTEREST

Environmental Engineering
Water Supply Engineering
Waste Water Engineering
Solid Waste Management
Municipal Waste Water Engineering
Air Pollution and Control

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