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

Curves, procedure on conducting curves in field

procedure on conducting curves in field

Explain the modular incinerators, Explain the Modular Incinerators 1. P...

Explain the Modular Incinerators 1. Prefabricated units with capacities of 4.5 to 107 tons of solid waste/day 2. Most use a system involving two combustion chambers.

Support, In a RC Frame what will be the support condition for a cantilever ...

In a RC Frame what will be the support condition for a cantilever edge beam i.e. fixed, pinned, encastre or knife?

BRIDGES, WHAT ARE THE DIFFERENT TYPES OF BRIDGES

WHAT ARE THE DIFFERENT TYPES OF BRIDGES

#support reactions, calculate the support reaction as shown in figure;

calculate the support reaction as shown in figure;

Concrete structure, which section is most effective for a design of beam an...

which section is most effective for a design of beam and why

Heliports and stol ports, Heliports and Stol Ports: Heliports ...

Heliports and Stol Ports: Heliports Heliports are facilities for landing and take-off of helicopters. They consist of : (a) Landing and take-off area, which contai

EARTH FILL dam, different components of all types of earth fill dam

different components of all types of earth fill dam

Verify the optimum value of the spacing of the piles, A 16-pile group has t...

A 16-pile group has to be arranged in the form of a square in soft clay with uniform spacing. Neglecting end-bearing, verify the optimum value of the spacing of the piles in terms

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