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Research Paper Pg. 01-14

📋 Abstract

Abstract: In this rapidly growing era of science and technology the construction and structures are also taking new mode in the way of infrastructure and mobilization in working and advancement of development leads to perform the new research on concrete. The aim of research is to make the concrete light weight as compared to normal M25 grade specimen, to increase the strength of concrete and to make it eco-friendly and economical. Coarse aggregate is substitute with dead animal crushed bone and cement is substitute
with silica fume and GGBS. While performing the project the cubes, cylinder and beams is casted. The coarse aggregate is replaced by animal crushed bones and the silica fume and GGBS is replaced by cement in appropriate proportion. Animal crushed bone was replaced by 10%, 15%, 20% and silica fume and GGBS was replaced by 5% respectively. In the experiment total 36 cubes is casted, 24 cylinders is casted and 16 beams was casted. The casted mould was tested on 7 days, 21 days, 28 days, and 52 days. In this project the compression test, split tensile test and flexural strength test was performed. The compressive strength is maximum at the replacement of 10% of animal crushed bone and 5% of silica fume and GGBS in the specimen. The split tensile strength of concrete is maximum at the replacement of 20% of dead animal crushed bone and 5% of silica fume and GGBS. The flexural strength of specimen is maximum at the replacement of 20% of dead animal crushed bone and 5% of silica fume and GGBS.

Research Paper Pg. 15-25

📋 Abstract

Abstract: Rice husk ash (RHA) is derived from Rice Husks, which is usually regarded as agricultural waste. Waste granite powder is derived from granite crushing industries. This paper incorporates the results from the experimental work attempted to assess the appropriateness of rice husk ash to be utilised as the partial substitutes for cement in both normal and high strength concrete accommodating waste granite powder as a partial substitute to fine aggregate. Normal grade of M20 and HSC mix of M60 are designed to attain 20 MPa and 60 MPa at 28 days including and  excluding of rice husk ash. Waste granite powder is then replaced in the mixes with varying percentages ranging from 0% to 50%. The compressive strength, flexural strength, and mechanical properties development are monitored for 28 days and the tests are conducted. Depending on the results, the mixes containing 25% RHA of concrete in terms of
compressive strength and mixes containing 25% RHA replacement and 40% waste granite powder replacement is preferred in terms of flexural strength. These findings assert that waste granite powder along with Rice husk ash can be replaced together partially in place of sand and cement. Durability tests are also conducted to assess the chemical attack which stems in the deterioration of concrete.