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Question
what is lifespan of an RCC structure?
Why the RCC structures failing in quater of its life span?
 Question Submitted By :: Civil-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
The lifespan of RCC is taken as 100 years.The RCC structure
failing in quater of its life span because of poor
cosruction means no proper mix of concrete used,bad
workmanship etc.
 
Is This Answer Correct ?    117 Yes 11 No
Amol
 
Answer
# 2
100 years, due to poor workmanship, poor quality control. 
Is This Answer Correct ?    61 Yes 19 No
Sanjay Kantrao Kulkarni
 
 
 
Answer
# 3
we design the RCC structure for 100 years. failure of RCC
structre may have various reason, i.e over reinforced or
under reinforced, poor quality of work, falt design.
ok
 
Is This Answer Correct ?    35 Yes 3 No
Sjtbehera
 
Answer
# 4
usual life span is 100 yrs. if a structure is properly
designed for flexure , shear torsion etc if workmanship
is good,steel properly bonded with no atmospheric contact
then the building will last for its life span
 
Is This Answer Correct ?    25 Yes 5 No
Kps Subhash
 
Answer
# 5
RCC technology is a gods gift on the earth its life span is
about to 100 years we cant say because invention of RCC
design is less than 100 years so that we are not conclude
the 100 years. some of the structures such as dams old
buildings life ia about 50 to 60 years they are very good
in condition.

Now why the rcc structures are fails due to lack of proper
designing imperior quality of material,not maintaining
quality control measures and last and final is lack of
proper curing in the structures.
 
Is This Answer Correct ?    19 Yes 1 No
Nissi Engieers, Guntur
 
Answer
# 6
As mentioned above, the life span of RCC structure is
assumed as 100 years if construction quality is assured as
per structural design and construction also properly
followed standard specification.
 
Is This Answer Correct ?    11 Yes 3 No
Kosh Nath Adhikari
 
Answer
# 7
RCC Structure is very long life span(assume of 100 years)
but some Reason for RCC Structure failed. 1st reason not
good material(Cement,Sand,Aggreats).2nd reason not good
qualitly & workbility.3rd reason not proper way mixes
disgine & curing.4th Reason not proper way steel provide
according to load
 
Is This Answer Correct ?    9 Yes 1 No
Vishnu Lal Jat
 
Answer
# 8
When the RCC was developed in the early mid twentieth
century, the quality of each input was taken into account
based of the cost of inputs and the quality of our
integrity at that time.

With passage of time the quality of inputs have gone down,
One because of poor integrity of each of us contributing
into it be it the material manufacturer or the worker at
the workmanship stage.

and

Two because the cost of each thing be it labour or
material, has gone up substantially, compelling the
manufacturers and material suppliers to supply material at
competent rates, thereby prompting them to compromise in
quality.
Also while the factor of safety taken into account at time
was 3 X 3 times with plain mild steel, now with torsteel it
has been brought down presuming that the structures are
never stressed to that extent.

I believe, if we we are able to correct our mentality and
if the buyer agrees to pay the hike in the cost towards
improving the material quality and the workmanship, the
life will be atleast 80% of the stipulated life of 100
years.
 
Is This Answer Correct ?    4 Yes 0 No
Arun Verma
 
Answer
# 9
RCC Structure is very long life span(assume of 100 years)
but some Reason for RCC Structure failed. most reason Indian are less quality con sis
 
Is This Answer Correct ?    1 Yes 0 No
Harish Rajwar
 
Answer
# 10
what is the criteria behind 100 years?where it is
documented?
 
Is This Answer Correct ?    5 Yes 8 No
Manish Mathur
 

 
 
 
Other Civil Engineering Interview Questions
 
  Question Asked @ Answers
 
What is the proportioning by weight of 1:2:3 concrete mix design of cement, sand, gravel, and water in metric for a 3000 PSI concrete strength and a target slump of 75-100mm?   2
How much steel needed for 1 m3 concrete for slab?   2
What is the role of a PMC(project management consultancy) in any construction work?   2
How to defind P.C.C. mix design according ratio & IS coad ITC-Infotech 10
As per thumb rule cement required per 1 cum of M20 concrete is 411Kg/cum(1.57/5.5=0.285cum of cement i.e 0.285*1440=411Kg).But as per PWD rate analysis cement required is 347Kg/cum.the difference is 64Kg.This kind of difference is coming every grade of concrete.Can you give perfect suggestion regarding this.   2
what is the minimum & maximum compressive strength n/mm2 of M-30 mix design cube   1
how to conversation of all construction material in to brass lafarge 1
my client's 10 year old building have been affected by the neighbor new building construction with out set back.Old building cantilever bldg hanged by 3". It is supported by introducing 2 rcc columns & beams.Now how to conceal the cracks?   1
What is meant by Friction Pile?   3
How many 6.5 * 6.5 tiles would i need for a 36-sqaure-foot room?   3
what is minimum steel area required for rcc slab   4
what is tensile strength of {6,8,10,12,16,20}mm dia bar? also there were any formula?   3
 
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