concrete admixture in pdf for seminar.if you send this it will be very helpful to me.. ....etc

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PRESENTED BY :
BIJILY B


INTRODUCTION-CONCRETE
 The word concrete comes from the Latin word concretus (meaning compact or condensed), the past participle of concresco, from com- (together) and cresco (to grow).
 Concrete is a construction material composed of cement ,coarse aggregate , plus a fine aggregate such as sand, water, and chemical admixtures.
ORIGIN OF HPC AND UHPC
 Environmental aspects
 The necessity to decrease the amount of CO2 in atmosphere.
 Replacement o ....etc

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Concrete admixtures seminar report pdf b.tech
Civil engineering ....etc

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IMPROVEMENT OF CONCRETE DURABILITY BY COMPLEX MINERAL SUPER-FINE POWDER



Introduction
Coal gangue is a rock included in the coal bed and a waste discharged during coal
mining and transportation as well as the most industrial waste discharged in China. It
is estimated , that the amount of gangue calculated as 15% of the coal output,
there would be 100 million ton increment annually. Most of the coal gangue is a clay
rock; its main mineral compositio ....etc

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Abstract: Admixtures are ingredients other than water, aggregates, hydraulic cement, and fibers that are added to the concrete batch immediately before or during mixing, in nominal
quantities. A proper use of admixtures offers certain beneficial effects to concrete, including improved quality, acceleration or retardation of setting time, enhanced frost and
sulphate resistance, control of strength development, improved workability, and enhanced
finishability.

Admixtures vary widely in chemical composition, and many perform more than one f ....etc

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ppt for high perfomance concrete.with its appliocations and objectives ....etc

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Please send the seminar report concrete admixture. ....etc

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looking for ppt on comparison between normal concrete high performance concrete
looking for ppt on comparison between normal concrete high performance concrete ....etc

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