Concrete paving blocks defeat natural stones
Planners frequently make use of natural stones when it comes to pave areas in historic town districts. Natural stones often perfectly complement the historic buildings of the district in their visual appearance. In fact, this pavements have proven their worth at a lot of places for many years. However, on places were such pavement is exposed to heavy traffic loads, natural stones often reach their limits. The consequences are massive damages and high rehabilitation costs.
In Pfungstadt, a small town near Darmstadt, planners decided in favor of an alternative to natural stones for the...