| 摘要 |
<p>The invention relates to a duct system for accommodating power cables, having the following features or elements: having a trench which is provided in the earth; having an accessible duct which is cast or prefabricated in the trench and comprises a material based on concrete; the material of the duct has a thermal conductivity which is at least 3.0 W/(m- k); bodies for accommodating and/or dissipating thermal energy are arranged outside the duct.</p> |
