2413x
001002
2015-03-23

Extension of Continuous Casting Plant in India

The continuous casting plant of the JSW ISPAT steelworks in India is being expanded by an additional level and supplemented with new plant components and stair towers.

At the same time, the existing structure is being strengthened to be able to absorb the additional weight of the new components as well as higher seismic loads.

Project Description and Realization

The dimensions of the plant are approximately 33 m x 35 m in plan with a height of 15 m. The top level of the continuous casting plant to be newly erected is referred to as the casting platform and is designed for a load of 3 t/m².

The casting platform contains control rooms, the so-called emergency ladles, which receive the molten steel in the event of a malfunction, as well as crane runways and other transport devices.

The supporting structure consists of steel beams with spans of up to 14 m. The largest main beams have dimensions h x b = 1200 x 600 mm with plate thicknesses of up to 60 mm. The structure is braced against seismic loads by diagonals.

Structural Analysis and Design

In order to implement the planning of the extension quickly and efficiently, the possibilities of digitalization and data exchange between the various 3D planning and analysis programs were used from the outset.

The existing structure was first recorded using a 3D laser scanner and represented as a 3D point cloud. This was transferred via an intermediate construction program with the import/export functions into an RFEM file. The model was thus available as the basis for further investigations.

The structural analysis was performed in the add-on module RF‑STEEL EC3 according to Eurocode 3.

For a clear presentation of the results, the graphical tools of RFEM were used, for example to group different categories of reinforcements and display them in color in 3D graphics.

Structural Engineering
Construction
Investor


Project Specifications

Model Data

Number of Nodes 1741
Number of Lines 2225
Number of Members 2142
Number of Surfaces 4
Number of Load Cases 16
Number of Load Combinations 23
Number of Result Combinations 1
Total Weight 907,917 t
Dimensions (Metric) 34.455 x 50.355 x 23.540 m
Dimensions (Imperial) 113.04 x 165.21 x 77.23 feet
Program Version 5.04.00

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