Soil Model No. - CAESAR II - Help

CAESAR II Users Guide

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English
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CAESAR II
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CAESAR II Version
12

Defines which of the elements in the model are buried.

  • If you enter 0, the element is not buried.

  • If you enter 1, then specify the buried soil stiffnesses per length basis in columns 6 through 13.

  • If you enter a number greater than 1, the software points to a CAESAR II soil restraint model generated using the equations outlined in Soil Models.

    You can specify soil properties, such as buried depth, friction factor, undrained shear strength, using the Basic Soil Modeler Dialog Box. The software uses these properties to calculate the buried soil stiffnesses on a stiffness per length basis. Because the soil properties can change from point-to-point along the pipeline, several different soil models can be entered for a single job. Each different soil model is given a unique soil model number starting with 2. Consider the following example:

From Node

To Node

Soil Model No.

5

10

0

10

15

0

15

20

1

20

25

1

25

30

1

30

35

2

35

40

2

The pipe from nodes 5 through 15 is not buried. From nodes 15 through 30, you will specify your own stiffnesses (using columns 6 through 13 of the data input area). From nodes 35 through 40, the software will use the property values indicated in the corresponding soil model number to generate stiffnesses.