engineering recuitment KPSC JE Civil Mock Test 2020 Soil Mechanics and Foundation Engineering Soil Structure and Clay Mineralogy
The section of the tunnel adopted perfectly in lieu of case of construction and maintenance in hard rock tunnels, where the risk of roof failure or collapse caused by external pressure from water, or from loose or unstable soil conditions on tunnel lining is practically non-existent, is
1
Circular section
2
Segmental roof section
3
Horse-shoe section
4
Egg-shaped section