Design of channel section purlin

The following video is about the design of channel section purlin.

1. For the design of industrial or I section purlin check the link given below:

2. For the parts of truss Check out the following link:

3. Check out this link for the design of circular column

4. For the design of staircase as per is 456:2000.

[s_hubh]

Also is it necessary to calculate plastic modulus along the y axis

[kiranchaudhari]

you have to calculate Zpy along y axis by using the concept sumation of AY .
Zpy = Iyy * shape factor is that correct

[nicholaskaputo]

When finding the load due to sheets and the live load it is not necessary to multiply by one (×1m) because (0.5kN/m² x 1.8m) will give by one (×1m) wasn't check through your work again

[ganeshyadavflashgaming]

Sir in calculation of required zpz u have not used ymo(1.1) after myy/fy

[akashdarwatkar]

Sir,
How find following component angel / channel selection
1) main tie = ?
2)principal rafter = ?
3)sag tie = ?

[piyushvaishnav]

SIR CALCULATION OD LOAD ME 1.8 KYA HAI PLEASE REPLY

[s_hubh]

Why didn't you calculate shear capacity

[ashoks]

Sir if any check is not satisfied do we need to redo then What section want to choose

[abarajitharamachandran]

Sir what if pitch is given as 1/4 and angle is not given

[keerthanav]

Sir where did you find the shape factor

[vikashmahato]

bhai hindi me hi smjhao english jabardsti kyo bol rhe ho hindi sb psnd krta h