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Abstract
The location of the buses in the basement of the new bus station in Bratislava, supplemented by two further parking floors below, shifted the foundation joint of the new bus station to a depth of approximately 14 m. The maneuvering space for the buses required unusually large distances between the supporting columns. In extreme cases, it was necessary to transfer a vertical load of more than 30,000 kN from the column to the subsoil. Only a relatively thin layer of Quaternary gravel remained between the footing bottom and the Neogene soils. The whole area was designed to be based on deep foundations. As this was a construction of the 3rd geotechnical category, it was necessary to verify the bearing capacity and quality of the piles. The applied test methods (especially the dynamic load tests) confirmed the correct design and implementation of piles.
Highlights
The complex, including the bus station and commercial and administrative areas, is approximately rectangular in shape with ground plan dimensions of 420 x 175 m
Dynamic load tests are not yet considered in Slovakia as tests the results of which can be accepted without discussion
In Western Europe, these tests are accepted as routine tests
Summary
The complex, including the bus station and commercial and administrative areas, is approximately rectangular in shape with ground plan dimensions of 420 x 175 m (see Figure 1). The majority of buildings have an average of 5 floors. The dominant feature of the complex is a 125 m high administrative building with 32 floors. The construction site is located on a flat area with a range of altitudes of 136.40 m a.s.l. up to 137.20 m a.s.l. and an average height of 136.80 m a.s.l. The construction site is located on a flat area with a range of altitudes of 136.40 m a.s.l. up to 137.20 m a.s.l. and an average height of 136.80 m a.s.l. [1]
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