By
Kaushal Kishore
Materials Engineer, Roorkee
The new Solani aqueduct on Ganges canal Roorkee was built with prestressed concrete which allows for longer spans and a simple more robust design compared to old bricks, lime- surkhi mortar masonry arches of the old aqueduct, in which 8.5 crores bricks were used, while iron railing used in the sides of two lanes were imported from England. This is interesting to note that materials bringing those days on ship from England to Indian ports take 6-10 weeks via the Suez canal or 3 to 6 months via the longer Cape of Good Hope. Calculate in it also time taken on road from Indian ports to Roorkee.
After retirement from University of now IIT Roorkee I joined M/S Roffe Construction Chemicals Pvt.Ltdd, Mumbai as it’s Chief Concrete Technologists afterwards I became it’s one of the Director.

AQUEDUCT picture taken on 7/10/2025
For the contractor of above aqueduct I designed M-40 grade of concrete with Roffe superpladticizer. Those interested may read my paper by visiting Google site and log in; Civil engineering portal The Ganges canal by Kaushal Kishore.
I had designed numerous concrete mix design almost all cements of India in this I find Utra Tech cement as one of best cement OPC and PPC both With Ultratech cement I had designed numerous concrete mixes from ordinary strength to M-80 grade concrete, self compacting concrete, shot crete concrete, fibre reinforced concrete, fly ash concrete and more There is life after retirement and after retirement I worked for 30 year’s which includes in free time working in home research and testing laboratory and numerous construction sites visits almost all India and outside India. At my age of 92 years I still work for 12 hours daily.
I had never worked for money. In spite of doing so gigantic work what to say about car I even do not have 2 wheeler not any of my house not a single inch of land in this world only pension from IIT Roorkee and few clothes
please send me a detailed M20 to M40 Mix design calulations of RMC as Per IS Std.
What is minimum cement content and What is max.permissiable fly ash.
PLease tell me
thank you sir
GADUMUR….. U will find procedure for Mix design of any grade in IS 103462 & IS SP-23
vyas achar : Dont ask such sort of silly questions…. how can u expect sumbdy can estimate quantity without any dimension details???
sekar: curing is a process to prevent the loss of moisture from concrete. if curing is not done then due to temperature gradient & loss of water due to hydration of cement shrinkage cracks may develop.
various methods like: Membrane curing, moist curing, ponding, by curing compounds/ chemical curing
sir
Please send me M-25 concrete mix Design calculation.
Thanking you.
Sir,
I am 19 year old boy. Pls i need full detail on slab, pillar, beam, colum with illustration. Always wont to be a professor befor 30 years old.
I am a student of 1st year of CIVIL ENGINEERING….Sir, i want to ask what is the future in
civil engineering???which are the major companies in Civil engineering???
Is road construction is also a good scope in civil engineering ???
Warmely thanks
madam/sir,
we civil engg. are proud to have such a wonderfull website. We all are grateful to the developers of this informatic website. I want to contribute my experiences also here for my other friend engineers and want to make myself more update by them. Please write me how I can have that facility.
Sir,
Can i get more informations about lowcost housing. I am doing B.Tech in civil engineering and m doing my final project on this topic.
Sir, I a Mathematician and social worker. Working on tribal education. We are planning to construct a school for tribal students in Nallamala Forest. We need good guidence and volanteers to construct the school building with mud and other low cost material. will some one guide/help us to construct the the same.
Sir
I want to know what should be the minimum space required to left shuttering for footing in
earth work.Is it mentioned in IS-1200? Pls let me know
L.Mani
Sir,
What should be anchorage length for reinforcement(Both top &Bottom)in of footing (sides)
pls let me know
L.Mani
can any one give me concrete mix proportion for m5 for concrete blocks
i need it.
dear sir,
i want spesal ditales of gunting work, shotcreting work. please sand the clear ditales and estimation.
very useful site on concrete design mix for civil engineers and practcesing engineers
please send me m30 proportions for m 30 concrete & cement water ratio
sir,
i am doing M.E in STRUCTURAL ENGINEERING.Going to start my project. i am interested in concrete. can u suggest some new trends in concrete…
why in moment distribution method we take the positive and negative on the same side during sfd & bmd diagram?
Hello I m Gourang persuing B.E with Civil stream .
May I know about the Scope of Civil in government Sector Please .