The IUP Journal of Structural Engineering
Seismic Performance of RC Structures by Different Modeling Approaches

Article Details
Pub. Date : Oct, 2020
Product Name : The IUP Journal of Structural Engineering
Product Type : Article
Product Code : IJSE11020
Author Name : Ashwini L K, M Keshava Murthy, Ravikumar C M
Availability : YES
Subject/Domain : Science and Technology
Download Format : PDF Format
No. of Pages : 14

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Abstract

The paper examines the porousness qualities of solid samples utilizing 'alccofine' and M20 grade cement concrete. The variety was concentrated on the samples exposed to solidification supplanted by different rates of alccofine (0, 10, 12, 14 and 16 rates respectively). Casted samples are relieved in climatic temperature and solidified properties of cement are done at 7 and 28 days, and Rapid Chloride Permeability Test (RCPT) was done at 28 and 35 days. The results showed that the specimen permits 2000 to 4000 Coulombs giving medium rating according to ASTM 1202 (ASTM C1202, 2010). The RCPT showed improved opposition for chloride penetrability and low pace of consumption chance level.


Description

Alccofine is a uniquely prepared item dependent on high glass slag content with high reactivity acquired through the controlled granulation process. Due to its ultra-fine molecule size and shape, alccofine gives a prerequisite of solid execution for quality and sturdiness (Pavittar Singh, 2017). Alccofine can also be used as a High Range Water Reducer (HRWR) because it delivers a high quality cement mix (Alokkumar et al., 2016; and Saurav, 2014). Mostly, it is utilized in two unique manners: first, as concrete substitution due to the monetary reasons; and second, as an added substance to improve the properties of cement in solidified states. It is utilized in different fields with application arranged like reinforced concrete solid business structures and private structures, tall structures or structures with moving circumstances to siphon the solid easily and efficient device (Ansari et al., 2014). Yatin et al. (2013) investigated the durability properties of concrete by replacing cement with alccofine and fly ash, and observed that concrete incorporating alccofine and fly ash has better compressive strength compared to normal concrete. An exponential relationship between chloride permeability and compressive strength of concrete is also exhibited. Abhijitsinh and Dhaval (2013) investigated the strength of M60 mix design by partial replacement of cement by alccofine and fine fly ash, and noted that initial compressive strength achieved using fly ash (22%) and alccofine (8%) is 42.33 MPa and 66.64 MPa at 7 and 28 days, respectively. However, the study observed that after 28 days, strength gain is comparatively less than others.


Keywords

Alccofine, Rapid Chloride Permeability Test (RCPT), ASTM 1202, Corrosion, Compressive strength

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