Rebound Hammer Test complete PractiCal with Calculation

#reboundhammertest#concretetest
Objective of Rebound Hammer Test
As per the Indian code IS: 13311(2)-1992, the rebound hammer test have the following objectives:
To determine the compressive strength of the concrete by relating the rebound index and the compressive strength
To assess the uniformity of the concrete
To assess the quality of the concrete based on the standard specifications
To relate one concrete element with other in terms of quality
Rebound hammer test method can be used to differentiate the acceptable and questionable parts of the structure or to compare two different structures based on strength.
Principle of Rebound Hammer Test
Rebound hammer test method is based on the principle that the rebound of an elastic mass depends on the hardness of the concrete surface against which the mass strikes. The operation of the rebound hammer is shown in figure-1. When the plunger of rebound hammer is pressed against the concrete surface, the spring controlled mass in the hammer rebounds. The amount of rebound of the mass depends on the hardness of concrete surface.
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[@Aman-sy8ek]

This was easy to understand sir thanks

[@SEETAgr8]

amazing video and the way you explained is so easy to understand. thanks

[@HIGHWAYENGINEERING]

Pls share if like

[@er.ankurmehra]

Explain method very good 👍

[@amolkore6242]

In IS code mentioned that, we have to derive correlation curve between compressive strength and Rebound numbers. From that we will get compressive strength.

[@mackorenmkhongbuh4056]

Very good sir...thank you so much...i am going for testing next week...

[@eldhopv8106]

Very good information

[@chhayaverma3819]

Good job

[@jemilgaaru]

Good sir 👌👍

[@AbhishekKumar-hg5dw]

Very good👍

[@addampriest2767]

Hello sir.. Thank you all of you. For this all important videos.

[@HIGHWAYENGINEERING]

Thank ...welcome

[@adityapota1912]

Thank you very much 🙏

[@SurajKumar-ly7ds]

Sir i am understand rebound hammer test thanks sir

[@Rajkumar-qe1nh]

Nice

[@shahbazmohsin9364]

Thanks sir

[@ramkumarmahto3573]

Very good sir 🎉🙏

[@arya4280]

Thank you so much very helpful information

[@vinayakyankanchi5064]

Nice explain please add much more videos like digital rebound hammer test

[@Dr.Reactor]

Thankyou

[@assamvalley3554]

O its nice and so simple..Keep it up

[@saddamhossain3162]

Good

[@moinquazi2847]

Thank you so much sir

[@ashishmohapatra5412]

Graph thoda clear kijiaa...... What is the curve line indicate

[@ranarizwan271]

excellent videos

[@amibroy]

Excellent

[@nothing-vv2yl]

please share price detail and brand of this hammer

[@magnolizete7506]

can we hammer the concrete more than 56 days?

[@rajeenaibrahim117]

Super sir.....

[@shakebkamal1704]

I think your explanation of +ve and -ve scales are opposite?

[@HIGHWAYENGINEERING]

Ok bro i will check

[@akshmitkumar493]

Column M20 1 month ke bad kitni aani chahiye??

[@gopalshwethashenoy9408]

Super🙏

[@jagadishlama704]

Horizental angle is center point than vertical is which point scale sir

[@jaikumar3537]

retaining wall k slop m check krna ho to kon s angle lge gaa ...??

[@HIGHWAYENGINEERING]

Hammer to perpendicular hi rahega bhai..

[@raibaldev9901]

Rebound hammer test kab krte hai

[@nagesh8018]

Slab ki strength bhi is test se check ki jati hai kya sir?? Plz reply

[@HIGHWAYENGINEERING]

Yes

[@nagesh8018]

@@HIGHWAYENGINEERING thank u sir

[@dineshprajapati693]

Where you from taken this specific data sir pls tell us

[@HIGHWAYENGINEERING]

IS Code 13311.2.1992

[@dineshprajapati693]

@@HIGHWAYENGINEERING 0,delaminated 20 poor 20,30 fair Where from you taken these data sir pls tell us with reference because if someone asked about this satisfy them Thank you sir

[@highwayguidecivilwalk]

Sir this gragh not given is 13311 part 2 , please guide where this gragh is shown reply soon

[@HIGHWAYENGINEERING]

Graph is pasted by manufacturer on Hammer

[@highwayguidecivilwalk]

@@HIGHWAYENGINEERING we have purchased rebound Hammer but there is no graph pasted on device as well as not in the suitcase carring device. Our device is digital having display also , Please guide waiting

[@kavithap6810]

How test old building strength

[@nomadic_gastronomer]

Ye graph kaha se download kre soft copy

[@sumandey3328]

Graph mey five lines hey .....to ap ne ku middle line mey touch ku kia ....??

[@HIGHWAYENGINEERING]

Middle line 0° angle bali he isliye...Kuki hammer horizontal liya he

[@HIGHWAYENGINEERING]

Diffrant Line are indicate different angle

[@drsomrajsingh2270]

@@HIGHWAYENGINEERING m

[@sunilpillala5100]

what is the purpose this test

[@HIGHWAYENGINEERING]

To determine strength of concrete. With out any damage

[@ChandanKumar-cm3ls]

Iska kita reading aata h grad shelf ka

[@abdurrazzak7952]

How this price

[@ajay7148]

Hardness test hota h na ki compressive strength

[@amitsohal6643]

Is equipment ki cost kitni hogi?

[@sushiladhikari1811]

~~~ ₹ 7000/- -- ₹ 15000/-

[@reddream2762]

Thanks sir

[@soumenghosh9543]

Nice

[@civilsiteeducation6207]

Good