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5 The topping joint width is defined as the smallest value of b_topping and b_beam, measured a distance of 𝛿 from the bottom of the topping (or top of the beam, as it is the same point). The tolerance is set to a very small value (1.0e-6) to take into account if the elements may have been imported (in case of hollowcore dwg-profiles) by not being drawn exactly perfect, or at a very smal angle.
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7 b_joint = min (b_topping, b_beam)
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9 [[image:1618388000940-827.png]]
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11 In some extreme cases the picture would look like this (projected quite excessive).
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13 [[image:1618389297079-848.png]]
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15 That is why some imported cross sections may have very small value for b_joint. In that case go back and verify the input cross section from the dwg-import.
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PRE-Stress Documentation