15 technical terms about Reinforcement A Engineer Must Know

image_pdfimage_print

Most Important 15 Technical Terms about Reinforcement

 

 15 Technical Terms about Reinforcement
15 Technical Terms about Reinforcement

 

Important 15 Technical Terms about Reinforcement are following – Very important and must know a construction supervisor

 

1. Concrete Cover for Reinforcement: 

 

  • Pile – 3″ or 75 mm

  • Pile cap – 3″ or 75 mm

  • Footing – 3″ or 75 mm

  • The column below ground – 2½” or 65 mm

  • The column above ground – 1½” or 40 mm

  • The shear wall below ground – 2½” or 65 mm

  • The shear wall above ground – 1½” or 40 mm

  • Beam below ground – 2½” or 65 mm

  • The beam above ground – 1½” or 40 mm

  • Slab below ground – 2″ or 50 mm

  • The slab above ground – ¾” or 20 mm Stair – ¾” or 20 mm

  • Retaining wall’s earth face – 1½” or 40 mm and opposite face: 1″ or 25 mm

  • Door-window lintel – ¾” or 20 mm Sunshade – ¾” (20 mm).

 

Important Video on Civil Engineering Interview Question Answers

 

 

2. Hook’s Length of Stirrup:

 

 15 Technical Terms about Reinforcement
15 Technical Terms about Reinforcement

 

The formula for calculating the stirrup’s hook length is ‘6db”. Where “DB” is the diameter of the bar. But the stirrup’s hook length should not be less than 3″.

 

3. End Hook for Longitudinal Bar of Beam:

 

End hook is provided at both ends of the longitudinal bar. The length of the hook should not be less than 12db. Where DB is the diameter of the bar.

Advertisement

 

4. End Hook of Slab Top Reinforcement:

 

The end hook length of the slab’s top bar shouldn’t be less than 12db. Where DB is the diameter of the bar.

 

5. Bend for Vertical Bar of Column:

 

The vertical bar of the column is also called the longitudinal bar. Bend is provided at one end of the longitudinal bar. The bend is 90° and the length of the bend should not less than 18″ (450 mm).

 

6. Anchorage Length of Cantilever Member: 

 

The anchorage length of the main bar of a cantilever RCC member should not be less than 69db. Where DB is the diameter of the bar.

 

7. Hook’s Angle of Stirrup: 

 

The stirrup’s hook angle is 135°.

 

8 . End Hook’s Angle of Longitudinal Bar: 

 

The end hook angle of longitudinal bars of column and beam is 90°.

 

9. No Lap Bar:

 

MS bar larger than 36 mm diameter shouldn’t be lapped.

 

10. Maximum Lap in a Zone:

 

More than 50% of bars shouldn’t be lapped in one zone.

 

This Ebook is specially designed for Freshers Civil Engineers. Recommended for Quantity Surveyors & Billing Engineers. Here You Can Learn All Basic Concept & Formulas for Bar Bending Schedule (BBS).

 

 15 Technical Terms about Reinforcement
Best Book For Freshers

 

11. Lapping in Tension: 

 

No lapping should be placed in the tension zone.

 

12. Placing 1st Stirrup:

 

1st stirrup of the beam should be placed within 2″ from the support.

Advertisement

 

13. Minimum Longitudinal Bar in a Column:

 

A square-shaped column should have a minimum of 4 number bars and a round column should have a minimum of 6 number bars.

 

14. Chair:

 

Tmt Chair

 

MS bar for chair shouldn’t be less than 12 mm diameter.

 

15. Unit Weight of MS Bar:

 

8 mm ø bar – 0.12 kg/ft

 

10 mm ø bar – 0.19 kg/ft

 

12 mm ø bar – 0.27 kg/ft

 

16 mm ø bar – 0.48 kg/ft

 

20 mm ø bar – 0.75 kg/ft

 

25 mm ø bar – 1.25 kg/ft

 

 

So, these are the most important Technical Terms about Reinforcement 

 

I hope this information can be useful for you guys.

 

If you like this article then please share it with your friends & also like our Facebook Page and join our Telegram Channel.

If you want a PDF copy of this, Do let’s know by commenting & you can message us on our Instagram & telegram channel,  or you can download it from the top Right-hand corner of this post.

 

Thanks For the Great Attention!

 

Good Bye & Take Care

 

Happy Learning 

 

Also Read:-

20 Interview Questions and Answers For Civil Engineers

50 Important Thumb Rules For Civil Engineers

100 Interview Question Answers For Civil Engineers/Highway

100 Important RCC technical terms for Civil Engineer

 

Related Video:-

 

 

This E-book is specially designed for Freshers Civil Engineers. Recommended for Quantity Surveyors & Billing Engineers. Here You Can Learn All Basic Concept & Formulas for Bar Bending Schedule (BBS).

 

Best Book For Civil Engineer Freshers

 

 

Share Post with freinds

2 Replies to “15 technical terms about Reinforcement A Engineer Must Know”

Leave a Reply

Your email address will not be published. Required fields are marked *

*