Settlement & Damage Check 🏢

Calculate your first and second stage damage assessment automatically. This tool uses the method put forward in the paper "Prediction of ground movements and assessment of risk of building damage due to bored tunnelling" by Burland et al (1977).

Damage assessment results:

Max settlement:
First stage assessment:
Second stage assessment:
Critical strain:
Control panel
External dia (m)
Enter number between 1 and 18.
Building H (m)
Enter number between 0 & 200.
Building start (m)
Enter number between -40 and +40.
Building end (m)
Enter number between -40 and +40.

Volume loss
VL (%)
Enter number between 1 and 13.
A.I. Prediction

Thickness (m)
For deepest strata measure to tunnel axis. List geology shallowest to deepest. K is typically ​~0.5 in clay and ​~0.25 in granular.