Pulverized fly ash as cement replacement, Civil Engineering

Assignment Help:

Q. Pulverized fly ash as cement replacement?

Pulverized fly ash is a type of pozzolans. It is analuminous or siliceous material that possesses no binding ability by itself. When it's in finely divided form, they may react with calcium hydroxide in the presence of moisture to form compounds with cementing properties.  

At the time of cement hydration with water, calcium hydroxide is formed and it is non-cementitious in nature. Though when pulverized fly ash is added to calcium hydroxide, they react to yield calcium silicate hydrates that is highly cementitious. This leads to improved concrete strength. This explains how pulverized fly ash may be used as cement replacement.


Related Discussions:- Pulverized fly ash as cement replacement

Statics, Determine the moment of inertia with respect to the x axis for the...

Determine the moment of inertia with respect to the x axis for the shaded area shown (Figure 2) . The dimension is a = 2.00m

Soil Mechanics, Good evening. I have two homework projects from the Soil Me...

Good evening. I have two homework projects from the Soil Mechanics. I am interesting if anybody can solve them.

Main purpose of conducting load test for piling works, Question What is...

Question What is main purpose of conducting load test for piling works ? Answer Pile load test gives information on ultimate bearing ability but not settlement be

The senior project, I want to know what materials should I use for roofing ...

I want to know what materials should I use for roofing on the steel truss roof for a storage building 18x60 sqft

Concrete mix proportions, Concrete Mix Proportions Concrete mix proport...

Concrete Mix Proportions Concrete mix proportions should be chosen in such a way that concrete of adequate workability is obtained. Workability of concrete mix should be such t

Particle size distribution - soil compaction, Particle Size Distribution (G...

Particle Size Distribution (Gradation): The particle size distribution is determined by passing the aggregates through a set of standard IS sieves (Figure) and determining th

Neglecting bearing at the tip of the piles, A square pile group of 9 piles ...

A square pile group of 9 piles of 25 cm diameter is arranged with a pile spacing of 1m. The length of the piles is 9 m. Unit cohesion of the clay is 75 kN/m 2 . Neglecting beari

Evaluate the length of guide bund, Q. Evaluate the Length of guide bund? ...

Q. Evaluate the Length of guide bund? For encouraging axial flow through the bridge, upstream length of guide bund may be kept 1.0 to 1.5 times the bridge length and downstream

What is raft foundation, Q. What is Raft Foundation? A raft or mat is c...

Q. What is Raft Foundation? A raft or mat is combined footing that covers the entire area beneath a structure and supports all the walls and coloumn when the allowable soil pre

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