Strategic green infrastructure planning in Germany and the UK: a transnational evaluation of the evolution of urban greening policy and practice

The evolution of Green Infrastructure (GI) planning has varied dramatically between nations. Although a grounded set of principles are recognized globally, there is increasing variance in how these are implemented at a national and sub-national level. To investigate this the following paper presents an evaluation of how green infrastructure has been planned for in England and Germany illustrating how national policy structures facilitate variance in application. Adopting an evaluative framework linked to the identification of GI, its development and monitoring/ feedback the paper questions the impacts on delivery of intersecting factors including terminology, spatial distribution and functionality on effective GI investment. This process reviews how changing policy structures have influenced the framing of green infrastructure policy, and subsequent impact this has on the delivery of green infrastructure projects

Prestressed spun concrete poles in practical use and typical analyses

Artykuł składa się z dwóch części. W pierwszej części przedstawiono polską historię strunobetonowych żerdzi wirowanych w rozwiązaniach albumowych. W części drugiej podano wybrane aspekty praktyczne zastosowania żerdzi wirowanych przy remontach i budowie linii elektroenergetycznych.The article consists of two parts. The history of Polish prestressed spun concrete poles in album's solutions is presented in the first part. The second part are some aspects of practical application of prestressed spun concrete poles for renovation and in construction of power lines