ACI METHOD OF MIX DESIGN – Absolute volume method Introduction In 1991,the American Concrete Institute(ACI) published guidaelines for normal, heavyweight and mass concrete mix design. The absolute volume method of mix design as described by ACI committee 211 is presented. It has the advantages of simplicity that it: Applies equally well with more or less identical procedure to rounded […]
Biological Processes for wastewater treatment OUTLINE OF PRESENTATION An overview of biological wastewater treatment. Important aspects in microbial metabolism. Principal organisms responsible for wastewater treatment. key factors governing biological growth and waste treatment kinetics. BIOLOGICAL PRINCIPLES OF WASTE WATER TREATMENT Biological TP: a method of contact between microbes and substrate. Suitable temperature, pH, nutrients etc. are required for microbial growth. […]
Civil Engineering What is Civil Engineering Technology? Civil Engineering is said to be the biggest and most versatile branch among all the engineering branches. one of the oldest engineering discipline apart from military engineering and has been outlined historically as “a talent, the wealth and also the well-being of the total of society depends on it. It includes understanding materials […]
Road Aggregates •Man has used sand and stone for foundations for thousands of years. Significant refinement of the production and use of aggregate occurred during the Roman Empire, which used aggregate to build its vast network of roads and aqueducts. Aggregates forms the major part of pavement structure •All bituminous and concrete surfacing are principally composed of aggregates,they play an […]
Recycle Of Waste Water and Waste Management Why waste recycling Prevents emissions of greenhouse gasses & water pollutants Minimization of pollution Volume reduction Sanitation of waste (composting) Stabilization of biodegradable compounds Supplies valuable raw materials to industry Stimulates development of greener technologies and Reduce the need for new land fills and incinerators. Value addition to the waste Water Recycling GOAL […]
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