This research aims to determine the mechanical, chemical, and physical properties of old
concrete used in the former Leipziger Palace in Wrocław, Poland. The cylindrical specimens …

This research aimed to determine the durability and strength of an old concrete built-in arch
bridge based on selected mechanical, physical, and chemical properties of the concrete …

Data of previous investigations compiled with new tests and recent literature on engineering
structures known of their unusual durability were presented in four chapters. Examples …

BECAUSE of the great number of buildings in Poland ruined during the war, there has been
ample opportunity to get samples of authentic old mortars or cements dating from the tenth to …

The conservation of historic concrete is an increasing task, challenging both concrete repair
specialists and conservation specialists. In practice, too often repair strategies are followed …

With the aging of the 20th century building stock, we are now facing the challenge to
evaluate them and make selections for objects which should be kept as part of our built …

A mortar is a material resulting of the intimate mixture of sand grains, a binder (lime, cement,
etc.) and water. The properties and characteristic of the mortars mainly depend on the nature …

Many reinforced concrete buildings and constructions belonging to the early 20th century
can be found in European cities. Unfortunately, in most cases these pieces of work so rich in …

The aim of the paper, basing on selected real examples, is to present current technical state
and general methodology of engineering actions dedicated to investigate the suitability of …

A short paper that attempts to review a subject as broad and as complex as building-
materials research for conservation is bound to be fraught with difficulties. For a start, much …