Show the differences between GGBS and PFA, Civil Engineering

Assignment Help:

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.


Related Discussions:- Show the differences between GGBS and PFA

Terminology of earthquake, TERMINOLOGY 1. Focus: The point on the fau...

TERMINOLOGY 1. Focus: The point on the fault where slip begins is the focus. It is also called as hypocentre 2. Epicentre: The point vertically above the focus on the su

Raft foundation, after formation of the soil under raft some area around th...

after formation of the soil under raft some area around the lift pit for example will be on tipping shape and some column placed in the same area the question how we place the col

State about the pre-tensioned concrete beam, State about the pre-tensioned ...

State about the pre-tensioned concrete beam A pre-tensioned concrete beam, 200 mm wide and 300 mm deep, is prestressed by straight wires carrying an initial force of 150 kN at

Conducting triaxial test, Question In conducting triaxial test to deter...

Question In conducting triaxial test to determine shear strengths for soil samples, what consolidation pressures should be specified? Answer It appears that the sele

Construction mesurment, Measurement quantity of excavation, concrete, formw...

Measurement quantity of excavation, concrete, formwork as my assignment brief.

Design a water supply scheme for new railway colony, Q. Design a water supp...

Q. Design a water supply scheme for new Railway colony based on the following data's. i. Requirement of Loco and domestic consumption 5 lacs gallon per day. ii. Source of wat

Design of elastomeric bearings, Q. Design of elastomeric bearings? The ...

Q. Design of elastomeric bearings? The standard drawings of bridge bearings issued by RDSO are on the basis of UIC 772-R. To maintain uniformity of approach, the design of elas

Define the influence line-beam shear, Define the Influence line-beam shear?...

Define the Influence line-beam shear?   1.  Replace point of interest with a link element of nominal length.  If the point of interest is a reaction, place a hinge at that poin

Explain the coefficient of permeability, A sand deposit of 12 m thick overl...

A sand deposit of 12 m thick overlies a clay layer. The water table is 3 m below the ground surface. In a field permeability pump-out test, the water is pumped out at a rate of 540

Soil mechanics, what is the total volume required for the gravel material o...

what is the total volume required for the gravel material of 6.5mx2314mx0.1m with a relative density of 2.919 and a loose bulk density of 1668kg/m3

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd