Normally, the angle of roof truss with asbestos sheets should not be less than
A. $$26{\frac{1}{2}^ \circ }$$
B. 30°
C. 35°
D. 40°
Answer: Option B
This Question Belongs to Civil Engineering >> Design Of Steel Structures
Join The Discussion
Comments (1)
Related Questions on Design of Steel Structures
Rivets connecting flange angles to cover plates in a plate girder are subjected to
A. Horizontal shear only
B. Vertical load only
C. Both (A) and (B)
D. None of the above
When the axis of load lies in the plane of rivet group, then the rivets are subjected to
A. Only shear stresses
B. Only tensile stresses
C. Both (A) and (B)
D. None of the above
Hudson’s formula gives the dead weight of a truss bridge as a function of
A. Bottom chord area
B. Top chord area
C. Effective span of bridge
D. Heaviest axle load of engine
Why 30° for Asbestos Sheet Roofing?
For asbestos cement (AC) sheets used in roof trusses:
If slope is too small → rainwater may leak through joints.
Proper slope ensures:
Quick drainage
No water accumulation
Better durability
👉 Therefore, the minimum roof angle is kept about 30°.