Experimental Study on Concreting with Naturally Available Salty Water or Hardwater Using Concare B-14

EasyChair Preprint no. 5566

Abstract

Concrete is a unique modern construction material which needs water in an excess quantity. Corrosion of reinforcing steel in a concrete structure is a common problem. Chlorides and other salts in water induce corrosion, which is one of the main mechanisms of deterioration affecting the long-term performance and serviceability of concrete structures. This research paper aims to minimize the corrosion and permeability of concrete with saline water a substitute for potable water and utilize the industrial wastes fly ash and sodium silicate, without affecting the property and durability of concrete. In the present research two grades of concrete M20 and M30 as per IS-10262:2019 are used for experimental analysis using an anti-corrosive and salinity neutralizing agent (CONCARE B-14). The CONCARE B-14 is used for concrete in the presence of hard water especially saline water. We have followed the IS methods for casting and to determine routine tests for the fresh and hardened state. The CONCARE B-14 is a physical mixture of fly ash and sodium silicate in a fixed proportion. Saline water contains more aggressive concentrations of chloride, sulphates and different pH which is more vulnerable to corrosion compared to potable water. In this study, we are utilizing the industrial waste combinations of fly ash and sodium silicate in the concrete by using hard water or saline water which will be an alternative to potable water. The dry fly ash resists the chloride attack which can affect the durability of concrete and sodium silicate improves the alkalinity of the concrete mass and effectively protects reinforcement bars from getting corroded for a long time. We examined the compressive strength results and it shows that we can use saline or hard water as a substitute for portable water by using CONCARE B-14 as an anti-corrosive and salinity neutralizing agent.

Keyphrases: Anti-corrosive, fly ash, neutralizing agent, Sodium Silicate

@Booklet{EasyChair:5566,
  author = {Saleem Auti and Gajendra Gandhe and Durgesh Tupe},
  title = {Experimental Study on Concreting with Naturally Available Salty Water or Hardwater Using Concare B-14},
  howpublished = {EasyChair Preprint no. 5566},

  year = {EasyChair, 2021}}