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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.

3,910 comments on "Ask An Expert"

Chandan Kumar says:

Sir How to calculate Backfilling soil in Revetment Wall-RRM

Bryan says:

how to manually design a slab with openings for stairs?

Krishna Gurjar says:

I am designing a slab and my doubt is ‘can we take different thicknesses of slab in different room lying in same floor’.

Danish says:

My house has a concrete beam of 30 feet length 9inch wide and 13 inch depth which supports a roof of 12×30 feet and a slab of 3 feet. Can I have the same roof structure on a similar beam on first floor. Pls guide me.

Dhanamjayarao B says:

Sir Anyone can give clarification about AAC BLOCKS and Ordinary Cement bricks which is the best for building construction and cost saving method.

peach says:

Can someone tell me- which is the wring about the failure pattern for wall beams without openings and openings in the span?

Graham says:

How to design a simply supported rectangular beam as a prestressed beam of class 1, concrete grade C35, minimum cement content of 300kg/m3, young modulus of elasticity 27kn/mm2. 15.2 mm 7 wire standard strand with tensile strength of 1700N/mm2. Y8. 2 hours fire resistance and moderate exposure. Expected loss of prestress is 25%. Prestress type is pretensioning. Imposed load is 15kn/m. Design using British standard.

Saji. says:

What is the additional Reinforcement to be provided for increasing the height of existing RCC Retaining wall’s Height from 1.10 m to 1.90m. The Rcc footing width of Existing Rcc retaining wall is 50cm(Cantilever retaining wall)

paul c. says:

What is the tallest steel criss-cross space frame possible determined by the tensile and compressive strength of the strongest steel girders
I imagine this theoretical space frame to be 100km tall and have a circular base 50km in diameter,and ascend as a converging cone shape to a point.
Thanks.

DeeBee says:

Hi, I have a concern. Around 2005, I bought a garden flat in a 3 floor building at the initial stage of construction. After completion of construction to my surprise, the builder had removed the drainage lines for all three flats above my flat in my garden just next to my kitchen. Also there are two drainage chambers in my garden. Now there drainage leakage issue for some or other flat among the three flats n all dirty drainage water is falling in my garden. I have complained many times to builder but he does not help. I tried to sell the flat but when people see the drainage pipes n leakage in garden, they refuse to buy. The building plan shows drainage pipelines only in the duct. Now I am planning to file a case against the builder, please advise how much can I claim from builder?

Kakoli says:

Is it necessary to construct lintel beam for Assam type house?

SABEEN says:

ASSALAMOALAIKUM I have a query, Actually in my house we have a front terris without Beam and on the terrus edge there is a huge and heavy half wall is built. Now I want to re construct it plz guide me if it is possible to break this wall without structural damaging.
I shall be very thankfull to you:
Regards;
SABEEN

Pavan sonune says:

Hello sir .
I have construct 9*9 inch column with 6-12mm and columns to column size is 16 feet
Similarly constructs 3 rooms
So sir just tell me it’s is safe ..

A. Chandra says:

A Rectangular shape land is divided in two parts on area basis and small bit of triangle is left out. That triangle area is added in breadth of one of the divided part of the land . Depending on what rule or theory it is done?

Gurjinder Singh says:

How many kg/cft/pans of sand and aggregate (what all sizes?) to be mixed with one bag of cement for M20/M25/M30? Please Explain the solution?

Janco says:

Good day. I want to know how high your foundation wall must be when drawing verticle sections through the foundation wall?

Acharyulu says:

Sir, I aprreciate your intiative.
Kindly inform the following.
I have Ground floor constructed area:
44 L and 24 width slab
12 columns of 9×15 size with 12mm tmt 6 rods
consists of 2 bedroms having size 12.6×14, 9.6×14 having 9 inch walls 2 sides partioned with 4 inch wall
having 2 doors of 3feet width, 3 windows of 3 feet width.
Dining hall with 14×24, kitchen with
9×8 and 9×5 puja room with 9 inch outer and 4 inch inner walls and 6 feet stair case.
I am planning to construct 2fllors abovr ground floor. I request you to kindly estimate abd inform me raw materials required another 2 floors.
Regards

Zoe says:

Hello. I am currently a civil engineering student and I am wondering what ASTM specification do I need to follow if I want to build a concrete water tank by using concrete hollow blocks as the base of the tank?
I am planning on building a rainwater tank using CHB as the base. I’m sorry for my bad English since it is not my first language.

Matt Wallis says:

I am uk based structural engineer. I am designing a steel beam to support a masonry cavity wall above it. Each end of the steel beam will be connected to webs of 2 other steel beams (Imagine a H-shape).
My question:
Why does NHBC Standards Appendix 6.5-C not allow the use of ‘steel angle cleat’ end supports when a beam supports a masonry wall?

Joliya lalji says:

Sir mera factory hai.factory me 2 Floor hai.ground Floor is machine room and full ac Floor,and second Floor is NON-AC warehouse.

Qyery ye hai ki ground floor pe jo ac room hai uski bhaap warehouse me aati hai isse pura warehouse pani pani hota hai sir.

Iska koi reason or solution .plzz sir

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