Upheaval Buckling of Buried Pipeline

Learn about START-PROF pipe stress analysis software

Related Topics

Straight buried pipe analysis is performed for:

- friction factor, F - cross-section area, Q - backfill load

Input data can be copied using the toolbar icon and transferred to other START-Elements analyses using the toolbar icon.

Input Data

Property

Description

External diameter, D

External pipe diameter

Pipe wall thickness, S

Nominal wall thickness

External casing diameter, Dc

External insulation casing diameter. Set to 0 if no insulation present

Ambient temperature

Average pipe wall temperature during pipeline assembly. More...

Uniform pipe weight

Pipeline and attached equipment weight per unit length. More...

Uniform insulation weight

Insulation weight per unit length. More...

Uniform product weight

Internal fluid/product weight per unit length. More...

Backfill soil number

Trench soil type from soil database (see appendix 1 below)

Operating pressure, P

Operating pressure in operating state. Required for all standards except SNIP 2.05.06-85. More...

Steel grade

Pipe material from materials database

Depth, Z

Minimum allowable burial depth (distance from ground surface to pipe centerline). Soil resistance prevents upheaval buckling; increased depth enhances stability

Axial force

Maximum allowable compressive force in pipeline

Menu Access

Pipe. Buried > Stability Analysis