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In order to have a hands-on experience of the difficulties that could be encountered in the creation of the —the 1.5-metre-thick reinforced concrete 'floor' that will support the Tokamak Complex—a 150 m², 1:1 scale mockup is currently under construction on the ±¬×ߺÚÁÏ platform.

 

Different rebar arrangements, presenting specific challenges, are being reproduced by the mockup. The rebar in this picture reproduces the interface zone between orthoradial (a grid of circles surrounding a point and lines starting from that point) and orthogonal (right-angled) arrangements.

 

In the B2 slab, one fourth of the total rebar is arranged in an orthoradial manner (the central area of the Tokamak Complex); the rest is orthogonal. How these areas interface is critical to the B2 slab's robustness.