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Ask An Expert

Is structure engineering troubling you?
Do you face problems in solving even the basic problems?

If yes then look no further as engineeringcivil.com along with Er. Gobind Khurana and Er. Abhimanyu has taken an initiative to help civil engineering students in structure related queries. We are thankful to Er. Gobind Khurana, Er. Abhimanyu and Vincent T. H. CHU for being a volunteer in helping other engineers in solving problems related to structure design in R.C.C and Steel.

Expert 1
Name – Er. Gobind Khurana
Qualification:
1. Bachelor of Civil Engineering From Thapar University Patiala
2. Master of Structure Engineering from Delhi University.
Work Profile: Currently working as Consultant for structural problems in R.C.C and STEEL Design.

Expert 2
Name – Er. Abhimanyu
Qualification:
Bachelor of Civil Engineering From Thapar University Patiala
Training at site in Unitech ( during 6 month summer training)
Work Profile : Presently working as associate design engineer for Fluor Daniel India Pvt Ltd. Area of work is structural steel design and concrete foundations for both static and dynamics analysis ( mainly in oil and gas industry)

Expert 3
Er. Vincent T. H. CHU obtained the degree of civil and structural engineering in the University of Hong Kong. He is the author of the monthly column “The Civil FAQ” in the Hong Kong Engineer published by the Hong Kong Institution of Engineers and is the author of the civil engineering monthly columns “The Civil Q&A” and “The Civil Corner” on the websites on World Federation of Engineering Organization and the University of Science and Technology (American Society of Civil Engineers – International Student Group) respectively. He is the recipient of the Ombudsman’s Award 2007 under complaint-related category and Young Engineer of the Year Award 2008 (Merit) organized by the Hong Kong Institution of Engineers. He is also the author of the engineering book “200 Question and Answers on Practical Civil Engineering Works”, “Civil Engineering Practical Notes A-Z” , “Ask Vincent Chu (Common FAQ on Practical Civil Engineering Works)” and “The Underlying Reasons in Practical Civil Engineering Works”.

So if you have any query regarding the concerned matter, just drop a comment and we will try to solve it as soon as possible.

3,932 comments on "Ask An Expert"

prasad says:

plz send various formulaes on qty surveying in civil engg

raju says:

Sir,
how is a bridge pier cap designed.pier cap is hammer headed , pier is circular ,pier cap is supporting two line of bearings. bridge is simply supported reinforced concrete bridge.any kind of design examples or material.
kindly help

praveen mishra says:

Pl guide per mtr weight of ISMB 300

sabarish says:

sir
what r the reason for formation of crack in roof concrete (in apartment building) exactly crack is at top surface
of roof concrete(crack formation is appear within 2days after concrete)

S. Thoulathkhan says:

Dear Sir,
I am not a civil engineer. I am an ordinary person. Recently I purchased a land for contruction of house. Only after the purchase I came to know that the plot has a rock-extrusive.(10 feet x 10 feet size – in a corner of the plot of 2400 sq.feet). Whether this land is good for construction. What to do to find out whether the plot has any such underground rocks. Please help me.

Vincent T. H. CHU says:

To Thoulathklan,

In case you identify thta there is rock layers at the surface, it is possible that the underground of your lot is also made up of rock.

To check sub-surface condition, the easiest way is to sink a borehole as ground investigation.

sivaraj says:

ya ur land is suitable for contrution.but u have to do some soil tests of bearing capacity and the soil profile…

anurag mishra says:

sir,can you explain what is tension stiffening effect in concrete?

Vincent T. H. CHU says:

To anurag mishra,

Tension Stiffening in reinforced concrete is the increase in stiffness of a cracked member owing to the development of tensile stresses in the concrete between the cracks.

Zamokuhle Mchunu says:

i just want to know whether it is possible to do a National Diploma in Civil engineering and then change it into a Bsc in Civil Engineering. If it is possible then what do you do. Thanks

aron mithra says:

I am a final year civil engineering student
interested in learning structural designing
plz mail some good books and documents

k.venkatuzwal says:

sir we are going to form an association ,and we want some captions below the logo so can you please send some captions plssssssssssssssssssss

Sanket Thorat says:

my query to Mr. Gobind Khurana
Dear sir,
I am student of engineering final year. My final year project is “Use of Bamboo as a reinforcement in concrete”.
I searched on web a lot for this topic, bt there is less or no information available on it from india or according to the IS Codes. Hence if u have any idea about the project, please help me…..
thank you in advance.

deepak Srivastava says:

Dear sir, please tell me the sieve size for standard sand gradation for cross checking.

Suraj singh bisht says:

Sir after doing btec from civil i want to be a structural engg..what shud i do after btech…mtech or smthing else…

ABID PASHA says:

Dear sir,
here in our over head water tank slab, the concrete is giveing uo from the beneath & falling, exposing the reinforcement. Please let me kano how to get this repaired and avoid such peeling off from RCC Slab?
thank you

peyman says:

hi.i have a problem with light weight concrete.i want to reach high strenght,about 180mpa…
can you help me?

stan says:

About vibration test for driven pile works, both the standard and manual from vibrograph company recommended to test at ground floor (should be at foundation level). Is it not suitable to measure in the upper floor?? How can we ensure the structural safety of the building in the upper floor if is it not suitable?? can we use the figure ppa instead of ppv to verify the potential danger of the building during piling works?? many thanks

Hemanshu Buddhdev says:

Dear Sir,

Can fly ash be used for filling work in backfilling work in buildings?

What are the advantages and disadvantages?

What are the procedures and Quality control tests for executing the backfilling with fly ash? Can we achive 95% compaction without compacting by flooding with water?

Narayanan says:

sir,
what is the function of bearing plates which are kept between the piers and deck of a bridge……

Vincent T. H. CHU says:

The bearings between the piers and deck of a bridge serve the following functions:

(I) It allows movement of deck on the pier due to pretress, temperature and shrinkage effects.
(II) It supports the loads from superstructure to sub-structure.

A.R.Wahidi says:

Respected Sir,
thank you very much for providing us online help in civil engineering problems.
sir i just wanted to know if you can guide me how many liters of water should be used for e.g 1:2:4 or 1:1.5:3 or Grade wise to make it easier to use in the field.
and sir i am facing some basic problems in structures also if you can pleae help .
thanking you in anticipation
your’s obediently

ARW

sravanthi says:

what is the effect of of aggregate-cement ratio on workability and strength of concrete

Vincent T. H. CHU says:

To sravanthi

For a given water cement ratio, an increase in the aggregate/cement ratio will decrease the workability because cement reduces together with water under the same WC raio.

For a given water cement ratio, the strength increases slightly with the aggregate/cement ratio. This is because aggregates are usually denser than the cement paste. With less paste in the concrete, the overall density is increased.

Micheal Dil says:

Dear Sir,

We are currently designing concrete weights to hold signage down. Could I check whether there is any calculation to determine the weight of the concrete to hold down a 1500 – 2000 kgs signage to the ground. Example to design a concrete weight of 100 kgs to hold down 1500kg againts 40 knots of winds. Thanks alot.

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