SSIPav EN

Structural Stress and Strain Analysis of Pavements

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1. Pavement Structure

Layer Material Thickness (mm) E (MPa) ν Bottom Interface Bonding, s Action
1
2
3
4 ∞ — —

Interface bonding coefficient: s is assigned to the bottom boundary of each finite layer and is passed directly to the OpenPave multilayer elastic solver. In OpenPave, s = 1.00 activates the perfectly bonded interface formulation, while s < 1.00 activates the imperfect-bonding formulation. The coefficient is a numerical interface parameter used directly in the OpenPave equations and should not be interpreted as a percentage of bond. SSIPav permits 0.01 ≤ s ≤ 1.00; the lower limit is an SSIPav safeguard that excludes s = 0, for which the OpenPave formulation contains division by the interface coefficient. SSIPav also checks that the calculated stress and strain responses remain finite for the current pavement structure, loading and evaluation locations.

Pavement Structure Diagram

Automatic schematic generated from the current layer properties and interface bonding coefficients.

2. Load Configuration

Load Pressure (MPa) Radius (mm) X (mm) Y (mm) Action
1

3. Evaluation Points

Point X (mm) Y (mm) Z (mm) Action
1

4. Analysis

Analysis Type

The multilayer elastic response will be calculated at the evaluation points defined above.

5. Results

Results will appear here after the analysis.

Warning: The results obtained using this application are the responsibility of the engineer in charge of the project. The authors are not responsible for the use of the software.

Authors: Julián Andrés Pulecio Díaz, Oscar Camilo Valderrama Riveros