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Q. Show the Differences Between GGBS and PFA?
The use of GGBS as substitute of cement improves smaller reliance on PFA. Particularly GGBS is supposed to be more compatible with renewable energy source objectives.
Replacement level of GGBS may be as high as 70% of cement. It is about twice as much of PFA (characteristically replacement level is 40%). Henceforth partial replacement of GGBS can allow higher reduction of cement content. As manufacture of one tonne of cement produces about 1 tonne of carbon dioxide and it is considered more ecologically friendly to adopt GGBS because of its potential higher level of cement replacement.
Performance of bleeding for PFA and GGBS varies. With PFA, bleeding is found to reducebecause of increased volume of fines. Though amount of bleeding of GGBS is found to upsurge when compared with OPC concrete in the long term. Conversely drying shrinkage is higher for GGBS concrete whereas it is lower for PFA concrete.
In terms of cost consideration, current market price of GGBS is similar to PFA. As the potential replacement of GGBS is much higher than PFA, substantial cost savings may be made by employing GGBS.
Q. What is Oil interceptors ? Oils and Grease are usually found in stormwater runoff from catchments. They come from spillage and leakage of fuels, lubricants, Vehicle coolants
how to go about the collimation method.
Acidity and Alkalinity - Chemical Characteristics of Water Acidity: Capacity to neutralize bases and is a measure of acids in water. Acidity is measured by titrating the s
Q. Granite Tiles for construction material? At every important station for public urinals granite may be used as wall cladding drain and foot rest material. The water sinks at
In sailing, the ropes used to move the sails around so the boat will move in the right direction when the wind blows.
What is the minimum radius, R min , that can be used on a horizontal curve with a 70 mph design speed, a maximum superelevation, e max = 8%, and a side friction factor, f = 0.10?
terms of least cost method
solution of point of contraflexure
aim of prismatic compass
pentavalent will be added impurity
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