the sun is still asleep when Mary is struggling to get up. The girl lives in an orphanage in Palabana, Zambia. Her father died early, and her mother could not take care of her due to HIV disease. Mary...
The reaction of Portland cement with water (the hydration of cement) presents an extremely complex process involving dissolution, crystallization, recrystallization and precipitation steps as well as...
Issue 02/2016Coupling with façade solar air collectors compared to monolithic structures and structures insulated using a composite thermal insulation system
In addition to determining the exterior look of a building, façades have important protective functions which include the protection against wind and rain, noise and thermal insulation, as well as...
Incompleteness of harmonized standards
Many of the harmonized product standards do not contain the complete range of methods and the degree of detail necessary to draw conclusions in respect of all...
Preliminary note
Sometimes, there is an impression of uncertainty among clients and contracting parties about the requirements to impose on concrete and in particular on the concrete cover for...
Dear visitors of the 60th BetonTage,
There is indeed something special about anniversaries, which provide the opportunity to look back on one’s achievements and to celebrate them. But wouldn’t it...
Problem
The Act on Recycling and Waste Management (Kreislauf-wirtschaftsgesetz) intends for secondary raw materials, such as recycled aggregates produced from mineral construction and demolition...
Precast concrete elements need to be much more flexible today than in the past in order to meet the multi-faceted requirements of building users. New component designs are required in terms of...
By introducing the obligation to start an energy audit and/or an energy management system (for larger companies), legislation also aims to include industry in discovering as many savings potentials in...
The Wehrhahn underground rapid transit line in Düsseldorf runs north-to-south between two ramp structures and includes six subway stations over a total length of 3.4 km.
The approach for the design...
