OHM Rohrwerk
Bending Radius Check

Bending Radius Check

Compares a planned PE pipe bending radius with a documented minimum value.

Bending Radius Check

m
Minimum bending radius - m
Table factor - × OD
Bending strain at planned R - %
Ratio R/R_min -
Assessment

R_min = k_T × OD | ε_b = OD / (2 × R)

SDR is shown for project transfer but does not change the table value used by this bending-radius check.

Notice: This quick check is for orientation purposes only. The results do not replace project-specific design or assessment. All information without guarantee. Full Disclaimer

Fundamentals

The check uses temperature-dependent minimum bending radii. The pipe wall temperature during bending is decisive:

Pipe wall temperature Table factor $k_T$
0 °C 50 × OD
10 °C 35 × OD
20 °C 20 × OD

$$R_{min}=k_T\times OD$$

The tool also reports the purely geometric outer-fibre bending strain, $\varepsilon_b=OD/(2R)$. SDR does not change this table factor, but remains visible for transfer to checks such as buckling resistance and pull force.

HDD option

For HDD, the same temperature-dependent radius values apply. The check is not a complete HDD verification. Pull force, pull duration, simultaneous bending, drilling-fluid pressure and buckling resistance must be checked separately.

The result only indicates whether the selected table value is met and serves as initial guidance.

Limits

Temperatures outside 0, 10 and 20 °C as well as fittings, couplers, segmented bends and damaged pipe are not assessed by the tool. Product-specific documentation and a project assessment govern those cases.

All data provided without warranty. Full disclaimer