Methods for an onsite evaluation of concrete:

You know what that the on-site evaluation of concrete strength is the biggest challenge in the condition assessment of existing infrastructure for the quality control of new construction.

All parties agree that the strength of concrete is a critical parameter

1. Compression test on concrete Core
   

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2. The pull-out test
   

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3. Rebound hammer for concrete strength
   

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4. Ultrasonic pulse velocity
   

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5. Combined non-destructive testing methods

Thank you.  

The lifespan of Statue of Unity :

Aditya, you are asking one of the interesting questions.

Before directly jump to your answer, it’s my responsibility to give some introduction part about Statue of Unity. Have a look.

Introduction about Statue of Unity :

The Statue of Unity is a Colossal statue of Indian statesman  and one of the most Independence activist, none other than Sardar Vallabhbhai Patel

Sardar Vallabhbhai Patel was the first Deputy Prime Minister and Home Minister of independent India.

The lifespan of Statue of Unity is made about 1000 years.

Location of Statue of Unity :

Statue of Unity in India to be built at the Sadhu bet Island in Narmada district of Gujarat.