2016-2017
2017-2020
Structural steel and concrete design (LPH 1-5)
14 high-capacity silos with feeding and unloading transports
In the middle of the Saudi Arabian desert, 80 km southeast of Riyadh, Yamama Cement had one of the largest and most modern cement plants in Saudi Arabia built with 2 complete production lines. Kottmann GmbH was responsible for the structural design of all 14 large-capacity silos for the storage of limestone raw meal, clinker and cement, after we were successful in the engineering competition for mass optimization.
Challenges in the design of the prestressed concrete silos with heights of up to over 90m were the very high prestressing levels specified by the construction company with high temperature gradients in the desert climate, very high wind loads and the sporting deadlines.
The steel structures were designed with Chinese sections, and the reinforcing steel complied with US ASTM standards. For the start of the post-tensioning work, we carried out site supervision and advised the construction company on the post-tensioning sequence.
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