Sentence examples for when tunnelling from inspiring English sources

The range of the support pressures in TBM machines, especially in EPB, when tunnelling in soft soil is derived for varied C/D ratio in different soil conditions.

Boats will also move spoil when tunnelling starts on the Northern Line extension to Battersea.

There was a time when tunnelling presented a much more perilous face to cities … there used to be a huge worry that you'd tip buildings, explode gas mains".

This makes surgery much simpler to perform and reduces the risk of the specific complications that can occur with suture placement into these structures or when tunnelling devices are used beyond the pelvic cavity.

Despite improved catheter designs and the use of internal jugular veins, thrombotic complications still occur when tunneled central venous catheters are used as an alternative.

It is on this account that Twitter users learned when tunnels were closed, bridges opened, commuter rails were shutting down and then this post on Thursday that was welcome news, especially to Long Island commuters.

Though the frequent deaths of workers in generations past, when tunnels were first hollowed out beneath the city's streets and waterways, are a distant memory, dirt and danger remain a daily reality for workers underground.

So far, InAsSb/GaSb NW heterostructures show high current density when tunnel diode is fabricated from it [101, 160].

When tunnels are exposed to prolonged fires, they are likely to suffer heavy damage and partial collapse.

At night, in the absence of trains and platform ventilation, platform air quality improves when tunnel fans are working at reduced power, whatever the flow direction (impulsion/extraction).

In contrast PM levels in stations with spacious double-track tunnels are not greatly affected when tunnel ventilation is switched off, offering the possibility of significant energy savings without damaging air quality.