Characteristics of foundations of historical buildings in St. Petersburg

摘要

The engineering and geological conditions of the central part of Saint-Petersburg are considered. The analysis of the main characteristics of the foundations of historical buildings (18-19 Century) is made on the basis of field investigations. The data of dependence between the size of foundations, the number of floors, and the condition of soil are given. The pressure on the bottom of the foundation and the bearing capacity of the soil of the base are analyzed. The examples of the foundations of some historical buildings in St. Petersburg are given. This paper provides also monitoring results of behavior of historical buildings, especially, settlements of foundations. These characteristics of foundations that are important for understanding of interaction of historical old buildings with soft soil ground of Saint-Petersburg are described.