Roads, Bridges and Embankments

GeoStudio provides comprehensive tools for analyzing roads, bridges and embankments.

The analytical challenge



There are a wide range of geotechnical engineering problems that fall under the broader category of civil engineering works. These can often involve the construction of roadways, rail beds, bridge abutments, and mechanically stabilized earth (MSE) walls. The challenges associated with designing these structures are varied. Construction sequences in the field often depend on transient changes in pore-water pressures due to consolidation. Embankment construction often requires the interaction of typical soil materials as well as concrete and structural steel or geofabrics. Timing of the placement of these components is often critical to construction and post-construction stability.

The GeoStudio solution


GeoStudio is capable of analyzing many different construction projects. Staged construction can be modeled in the same sequence as actual field construction and if the process is time dependent, such as waiting for dissipation of excess pore-water pressures, then it is possible to set actual time durations to the modeled stages so that the results over time can be graphed and analyzed. Data from one construction stage to the next is automatically carried forward and it is possible to branch the analysis to consider different scenarios that both depend on the same previous analysis results. In addition, the integration capabilities in GeoStudio allow for a wide range of supporting analyses to be added to the project at any time, such as slope stability, ground freezing, climate interaction, or earthquake stability.

Example analyses

Explore these GeoStudio analyses of roads, bridges and embankments.

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Cubzac-les-Ponts, France

In the 1970’s, a series of test embankments were constructed on soft clay at Cubzac-les-Ponts in France. These full-scale field tests were well-instrumented and are well-documented, and consequently provide an excellent case history. Two of the embankments are the subject of this article.


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Eurocode Design Case

SLOPE/W can be used to complete a stability analysis with the objective being to check an ultimate limit state in accordance with various limit state design approaches such as Eurocode 7, Norwegian Standard NS 3480, and British Standard 8006. The stability analysis is completed with partial factors applied to characteristic loads and soil strength parameters.


Download the GeoStudio data files(1) (2) (3)

Read the analysis details

Reinforcement with Geosynthetics

The purpose of this example is to show how geosynthetic reinforcement (e.g. geogrid and geotextile) is accommodated in a stability analysis. The example file uses multiple SLOPE/W functionalities including distribution of the pullout forces across many slices, factor of safety dependency option for geosynthetic reinforcement, load orientation and more.

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Soft Ground Coupled Consolidation

This example is about constructing an embankment in delayed stages on a soft foundation so that some of the excess pore-pressure is allowed to dissipate before subsequent lifts are placed. The soft foundation is modeled using the non-linear Modified Cam-Clay (MCC) constitutive relationship.

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Related products

GeoStudio includes seven integrated products that work in combination to provide effective analysis of roads, bridges and embankments.

 

SLOPE/W

Stability analysis of soil and rock slopes.

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SEEP/W

Finite element analysis of groundwater flow in saturated / unsaturated porous media.

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SIGMA/W

Finite element stress and deformation analysis of earth and structural materials.

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QUAKE/W

Finite element analysis of earthquake liquefaction and dynamic loading.

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TEMP/W

Finite element analysis of heat transfer and phase change in porous media.

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AIR/W

Finite element analysis of air transfer in mine waste and other porous media.

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Explore all solutions

GeoStudio's integrated products enable you to work across a broad range of engineering use cases.