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Antimicrobial Concrete

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Antimicrobial Concrete -By Biswajeet Majhi 1. INTRODUCTION Concrete is the most widely used construction material for various infrastructures worldwide. However, concrete structures in specific aggressive environments, such as sewer systems, marine engineering, buildings are exposed to high humidity and they quickly suffer from microbial attachment, colonization, eventually, deterioration.  For example, the most typical problem reinforced concrete structures face in sewer systems is microbial-induced corrosion, which is still commonly referred to as a sulfide (H2S) gas problem. The process is initiated when sulfate-reducing bacteria (SRB) convert sulfate into hydrogen sulfide gas under anaerobic conditions, which is converted into corrosive sulfuric acid by sulfur-oxidizing bacteria (SOB) of the genus Thiobacillus.   2. How does it help?   In recent years, with the rapid development of nanotechnology, some researchers have tried to introduce some nanoparticles into concre...
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The Venice Tide Barrier System - MOSE Project

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Introduction: The city Venice located on the east coast of Italy, is a world-famous tourist spot. It was hit by several floods and massive waves from the Adriatic Sea in the past few decades. Many experts claim that the water level in the sea is rising day by day. In 1966, it became a significant concern as the tides rose to an enormous height of more than 7 feet above the seawater level. This project consists of 78 gigantic steel panels across the three inlets that allow water to surge from the Adriatic Sea into the Venice lagoon. The MOSE System: The Venice city lagoon has three main water inlets at Malamocco, Chioggia, and Lido. To protect the city from flooding, the government planned to temporarily close these three water inlets. In 2003, the approval for MOSE, an Italian acronym for Experimental Electromechanical Module, was passed to construct an artificial barrier that would protect the city from any future floods. Its fundamental idea was to engage a series of oscillating infl...
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Lasers: A Revolution in Highway Engineerin

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Introduction: - The advancement of new technology has been taking place since the beginning of human history. However, it has been exceptionally fast and changing the engineering world in recent decades at a record pace. One such technology, lasers, is used in highway engineering for various purposes like road profiling, pavement surface redirection, bridge deflection, speed checkers, accident spot analysis etc. These laser techniques have greater accuracy as everything is automated with faster data collection and less human involvement. Applications: - Road Profiling The profile of a path is calculated around some in-existent line or point which is permanent. Besides the rutting and the other issues, the profile of a path which is taken along a lateral line shows over the altitude and crown of the route outline. The longitudinal profile displays the ruggedness, hardness, and grade of the material. It is used for tracking the status of a pavement management system road network (PMS) ne...
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Placement Talks with Ayush Prasad Kasar

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Mr. AYUSH PRASAD KASAR     Thinking is the hardest work there is, which is probably the reason so few engage in it.  ~ Henry Ford     Getting an “on-campus” core job may seem like a “next to impossible” task for many, but it may not be the reality for a true aspiring individual. CEST club in association with ICE UK- NIT Rourkela chapter brings you an encouraging conversation with Mr.  Ayush  (from the batch of 2021) who has been a “near to perfect” example of patience, hard work and dedication.  Due to his perseverance and continuous efforts, he   got placed in  GAIL. His journey may become the blue print for all those who are aiming to be placed on-campus in core engineering companies.       Enlighten us about your life before joining NIT Rourkela.     I was born in  Rajnandgaon  in Chhattisgarh. I did my schooling from Nursery to the fifth standard in Bal  Bharti  Public School. Due to my parent’...
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