Sentence examples for tunnel roof from inspiring English sources

Find and climb the 79 wood steps that lead up through the tunnel roof.

The impermeable footprint of the tunnel roof creates a concentration of rain (and snow) along the edges.

The three-dimensional principal stress mutation of surrounding tunnel roof rocks can cause devastating disaster during excavation process.

He also said the ceiling design - held up by epoxy bolts that essentially are super-glued to the tunnel roof - was questionable and illegal in some states today.

This support consists or steel columns along the walls and nine‐ton steel arches across the tunnel roof, spaced five feet apart and firmly tied into the rock.

(The same ill-starred station shook under a 1916 Zeppelin attack, which caused a tunnel roof to collapse seconds after a train had passed).

Collapse of tunnel roofs initiates lateral gullying and lengthens existing cuts headward.

Water drips from tunnel roofs, broken cobblestones put even the hardiest shoes to the test, and nowhere is there a neon sign or a traffic light.

Six huts had been put artificially underground by banking around them midden consisting of sand and peat ash stiffened with refuse, and the alleys had become tunnels roofed with stone slabs.

From the results, it can be seen that most smoke is discharged directly off the tunnel through roof openings, so roof openings are favorable for exhausting smoke.

The tunnel's roof is leaking, too, with about 660 leaks identified by last month.