control of corrosion on underwater piles ppt

ABSTRACT

Piles are structures used to transfer loads from superstructure to the sub surface strata. When the subsurface stratum is water based or if we deal with a hydraulic structure, the piles are to be driven into water and under water strata. Piles used in underwater structures are often subjected to corrosion. There is no absolute way to eliminate all corrosion; but corrosion protection measures are employed to control the effect of corrosion. Corrosion protection can be in different ways ac ....etc

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The cost of Corrosion in India is currently estimated at about Rs. 24,000 Cr/ year.
Although corrosion could be said to be natures method of recycling, or of returning of a
metal to its lowest energy form, it is an insidious enemy that destroys our cars / plumbing
systems / buildings / bridges / engines / factories etc. Avoiding detrimental corrosion
requires interdisciplinary approach by the designer. The approach paper is written from
various resources keeping the same in mind. This paper explains the process of
environmental attack on ....etc

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Abstract

Civil engineers are now-a-days being offered a variety of reinforcing steels to resist corrosion of steel in concrete. Two in particular, CRS and MMFX , will be discussed in this write-up However, the author stresses that reinforced concrete construction professionals need to refocus their attention on concrete, the material they know best, rather than on the metallurgical mysteries expounded by specialists from another discipline. After all, as every civil engineer worth his salt knows, concrete is the first line of defence in th ....etc

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need a ppt on the seminar topic
CORROSION CONTROL OF UNDERWATER PILES ....etc

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ABSTRACT

Detection of corrosion damage in aircraft wing skin structures is an ongoing NDT challenge. Ultrasonic methods are known and well-accepted techniques, which are relatively simple to carry out in terms of setup, probes and instrumentation and operator training. However, with conventional inspection from the top surface using a transducer at normal incidence (0o to the normal to the surface) producing a visual picture in the form of a C-scan, it is very tie consuming to point-by-point inspects large aircraft wing skin areas. I ....etc

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1. CONTROL OF CORROSION OF UNDERWATER PILES Presented by: Avinash Shaw Roll no. 11/CE/45 Department of Civil Engineering NIT Durgapur
2. Introduction Corrosion is the destruction of metals and alloys by the chemical reaction with the environment. Generally many traditional metal parts are used with lighter polymeric components but these are impervious to electrochemical corrosion so even with the proper selection of base metals, there is no absolute way to eliminate corrosion.
3. On steel piling in seawater, the more chemically active surface ....etc

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control of corrosion on underwater pile..



:::dodgy::dodgy:
control of corrosion on underwater pile..
....etc

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any interesting corrosion case studies on large scale ....etc

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corrosion
The process of decay of metal by environmental attack is called corrosion.
The basic reason for this attack is most of the metals (except Pt, Au, Ag) exist in nature in the form of their ores as oxides, chlorides, silicates, carbonates etc.,
Metals have the natural tendency to go back to their combined states, as a result when metal is exposed environmental conditions forms stable compounds of metals, known as corrosion.
The process of corrosion is reverse of metal extraction.
Effects of the cor ....etc

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i need the above asked ppt on (corrosion control on piles) urgent please..
i will be really thankful for your kind and generous effort of letting me know how to download the file now.. i really need it urgent ....etc

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