23 Appendix 10.2.

Results of calculations of the stress-strain state (SSS) of the pipeline Oil-gathering pipeline section fixed support N-40 - fixed support N-42

23.1 Movements of pipeline elements under the influence of:

• oscillations with frequencies from 12 to 86400 Hz,
• weight,
• working pressure,
• pressure changes during operation,
• temperature changes during starts/stops.

Figure 10.2.1. Displacement of pipeline elements, m a) - in the direction of the X axis,

2. • in the direction of the Y axis,

3. • in the direction of the Z axis.

Figure 10.2.2. Angles of rotation of pipeline elements (radians) a) - around the X axis,

2. • around the Y axis,

3. • around the Z axis.

Figure 10.2.3. Torque (bending) moments acting on pipeline elements a) - around the X axis,

2. • around the Y axis,

3. • around the Z axis.

Figure 10.2.4. Forces acting on pipeline elements a) - in the direction of the X axis,

2. • in the direction of the Y axis,

3. • in the direction of the Z axis.

23.2 Effective and permissible stresses

Figure 10.2.5.

23.3 Failure rates at different oscillation frequencies

Figure 10.2.6.

23.4 Total failure rate

Figure 10.2.7.