Technological and structural methods of construction of the underground part of unique facilities in St. Peterburg built during the last 10 years

Engineering-geological conditions of St. Petersburg, which are characterized by a large thickness of soft water-saturated lake-glacial deposits, are presented. The main characteristics of soils and examples of static sensing results are given. There are considered the main technical characteristics of the foundations of the compound “Lakhta-Center”, including a 462-m-hight skyscraper – the tallest building in Europe and a multifunctional center of 85 to 15 m. The main technical characteristics of the foundations of the unique Gazprom-Arena football stadium with an opening roof and a retractable field are presented.