Geotechnische Baubegleitung

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The overall project measure M4 extends over a length of approx. 1,635 m to the left and 480 m to the right of the Würschnitz. The measure begins downstream below bridge BW 3 at approx. river km 3+620 and ends above the waterscastle Klaffenbach at approx. river km 5+260. A particular point to note is that, in the affected construction section, the following 3 bridge structures (BW) are located: Bridge structures 1 and 3 are designed structurally in such a way that they have no flow-obstructing effect even in the event of an HQ:5. The top edges of the bridges are each located above the existing terrain. At BW2, a significant backwater occurs in the event of HQ:5, which is why, as part of ensuring flood protection for the HWS, it will be necessary to implement an HWS measure at this structure. The measure also includes the removal/expansion of the Hutholzbaches as a watercourse of 2nd order as well as the construction of a bypass channel for a protection objective for a 100-year flood (HQıo0) over a length of approx. 550 m, in order to be able to implement flood protection for the Würschnitz. This is subdivided into the construction measure sections M4.10.HHB to M4.90.HHB. For the…

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