UK Office: +44 (0) 1303 86 43 43
Hesselberg Hydro

Hydraulic Asphalt Inspections

Hesselberg Hydro’s advice to clients on essential maintenance depends on regular inspections of previous projects to monitor performance.

While we will inspect any hydraulic asphalt structure, our work is most commonly on asphaltic concrete dam linings.

The linings are protected by a seal coat of either mastic or bituminous emulsion which generally needs to be re-applied at 15 to 20 year intervals. Before covering the asphalt, it is prudent to have the lining inspected and maintained.

Our inspections, which carry on well past any contractual obligation, also provide the knowledge of long-term behaviour of materials and structures that continually inform improvements to technology.

The construction of asphaltic dam linings is an important example of how technique has been modified in the light of experience: