SHELL STRUCTURE AND MANUFACTURING PROCESS OF SUCH A STRUCTURE

The shell structure, especially usable for making the chimney of an atmospheric coolant, comprises a framework resting on foundations anchored into the ground and a covering (30) carried by the framework and defining a chimney. The framework is formed by a trellis comprising three sets of bars (2, 4, 6), one of the sets being formed from horizontal bars (6) so as to form circular bands and the other two sets being formed from bars (2, 4) being opposingly angled with respect to the vertical, so as to form a trellis whose mesh has substantially the shape of an equilateral triangle, the bars (2, 4, 6) being connected by assembly nodes located at the vertices of the triangles and wherein the covering (30) forms a continuous chimney disposed on the inside of the framework and tightened by joining to the latter.