For a laced column, the minimum width of the lacing bars when using 20 mm nominal diameter rivets is
For a laced column, the minimum width of the lacing bars when using 20 mm nominal diameter rivets is Correct Answer 60 mm
Explanation:
According to IS 800: 2007,
In bolted/riveted construction, the minimum width of lacing bars shall be three times the nominal diameter of the end bolt/ rivet.
∴ The minimum width of lacing bars as per IS 800:2007 for bolted/riveted construction is 3d.
Here, the Nominal Diameter of rivet = 20 mm
Width of lacing bar = 3 × 20 = 60 mm
Additional Information Width of lacing bars corresponding to the diameter of rivets:
|
Rivet diameter (in mm) |
Lacing bars (in mm) |
|
16 |
50 |
|
18 |
55 |
|
20 |
60 |
|
22 |
65 |
If the width is lesser than minimum value, then it is suspected for the load transfer i.e. 2.5% of design shear. The minimum width is approximately equal to 3 times diameter of rivet.
