Work’s Geotechnical Consultancy
The panoramic tower, also known as Vasco da Gama tower, was seen as the emblematic symbol of Expo 98, in commemoration of the 500th anniversary of the discovery of sea route to India by Vasco da Gama. It consists of a reinforced concrete column, with 3,6m by 12m with three elevators, and a steel-concrete composite structure. The total height is 145m and between 90m and 110m high is located a restaurant and a viewpoint. The foundation of the tower comprises a mass of concrete, rectangular section with an area of 26m by 18m overlaying the Miocenic bedrock. This includes a peripheral wall and inner diaphram walls of 1m thick propped on three levels, within which it was filled with concrete with a volume of approximately 8.000m3.