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
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Can any body help me in taking staircase RCC quantity.
[“waist slab length*width*thickness”+”nos. of steps*(1/2width of steps*riser)*width” will give the exact Qty of RCC of the staircase
hi,
In Reinforced earth wall we are using mixture of sand and pond ash in 3:1 ratio for backfill material, but vehicles are not flying on bed so we are facing very much difficulties to back fill on ramp.
please send me all necessary IS and BS codes… and how to calculate steel quantity…
Raja April 30, 2012 at 12:16 pm
6mm dia .222Kg/m
8mm dia .395 Kg/m
10mm .617Kg/m
12mm .889Kg/m
16mm 1.580Kg/m
20mm 2.469Kg/m
25mm 3.858Kg/m
formula wt(Kg)/m =dia X dia/162
dia in mm
IS456:2000 for Plain cement Concrete
IS 800:2007 for design of steel structure
IS 383 for Aggregates
IS 1200 field measurement
Somebody please help me gettingthe mix design of Geo – Polymer Concrete withoutv Fly Ash content for my research work.
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i don’t properly understand of structural analysis……plz give idea……..thanks…
what is difference between theoretical design and practice design of structures
Can anyone suggest to me if there is any product available for Efflorescence removal. This is a prickly problem prevailing all over the country and am also suffering from this.
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I have an inquiry, I have a bachelor degree in communication engineering and I would like to change my work field to be a civil engineer. is it possible to have a master degree in civil engineering or i have to re-do a bachelor of Civil Engineering?
Looking forward to hear from you
Thanks
I need three topic for my project under civil engineering
please send me about cocrete cube tests details.thanks
Plz plz Help me in understand SA / TOS…I hope there r lots wid open heart toward helping???
i just want to know the excelsheet for designing RCC stair. can you please post it here for downloading.
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pls send me mail about interview questions and concrete test
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and better advice