New checking regulations for pipes and manholes subjected to traffic loads
![→ 1 Load model LM 1, according to DIN FB 101:2009 (without equal load) [from DWA-A 161]](https://www.bft-international.com/imgs/103953759_521619af53.jpg)
In this context, previous and frequent reports have appeared on new approaches for the structural design of pipes subjected to traffic loads. Since the final version of DWA-A 161 is scheduled to be published at the beginning of 2013, design rules should by now be clear. The following will present the procedure for determining traffic loads imposed on pipes and manholes.
Road traffic loads on pipes
The load model used here is the LM 1 from DIN-FB 101:2009, with an axle load of 240 kN without considering an additional equal load (Fig. 1). The model here already includes the impact coefficient, as...
