Geomechanics and Tunnelling 01/15

Coverstory: For the construction of headraces and pressure shafts, the Tiwag-Tiroler Wasserkraft AG places great emphasis on sustainable operation with low maintenance costs. Some stations have already been in operation for more than 60 years. In the article starting on page 13, System solutions for headraces of high head hydropower plants, experience with the headraces of several large hydropower stations is related. The title photo shows the completed pressure shaft PSP Kaunertal. (photo: TIWAG-Tiroler Wasserkraft AG)

Table of contents Geomechanics and Tunnelling issue 01/2015:

Geotechnical aspects in pressure shaft design of HPP

• Headraces of high head HPP
• Design of pressure shafts
• Headrace tunnels at Tiwag
• Raise boring of deep shafts
• Surge tanks of high head HPP
• Metro Vienna Lot U1/9