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Soldier Pile and Lagging Walls - Design with DeepEX

Soldier Piles in DeepEX

Soldier pile and lagging walls, commonly known as soldier piles can be designed with DeepEX software in the most efficient way. In DeepEX, we can design and optimize soldier pile walls in 3 simple steps:

1. Define our soldier piles and lagging structural sections, spacing and widths for the soil and water pressures below the excavation (where the wall is not continuous).

2. Create our model in minutes in the software graphical interface, or using the powerfull model wizard (all construction stages).

3. Run the analysis, review the results in each stage and optimize the model (manually or with the use of the DeepEX autimatic optimization tools).

The following paragraphs present how we can follow these steps within the software and achieve an efficient model optimization in minutes.

Figure: A Soldier Pile Wall Section with H beams in  DeepEX Software

Step 1: Define the Soldier Piles and Lagging Type and Sections

Selecting the Soldier Piles Type

At any time, we can access and edit the structural section of our walls on the model area, or through the related tab of the model wizard. There, we can select our soldier piles type (steel beams -H beams, pipes, square hollow and more, reinforced concrete, timber piles or soil mix). We simply need to press on any of the available pile types buttons:

Defining the Soldier Piles Structural Section

Based on the selected soldier piles type, several options are available for the soldier piles structural sections and reinforcement:

1. For Steel Beams (H Beams, Piles, Rectangular sections, Channel sections and more), the user can select any of the available steel sections from our extensive implemented databases, or define the steel section properties manually.

2. For Reinforced Concrete piles, the user can define the pile diameter, as well as the longitudinal and shear reinforcement of the examined section.

3. For GFRP or prestressed pile sections, the user can select the reinforced concrete piles type and select the related options that the piles are glass fiber reinforced or prestressed.

4. For Timber piles, the user can define the pile diameter and material.

Selecting the Lagging Type and Section

In the Lagging tab of the wall sections dialog, we can select the lagging type, the structural section and material, as well as, the method for the lagging design and moment/sheat distribution. The software can do some preliminary lagging estimation calculations and present the results, based on the user-defined method and settings.

The following lagging types are available within the software:

1. Timber Lagging (wood)

2. Concrete Lagging (reinforced concrete panels)

3. Steel Plate Lagging

Step 2: Create the Model (All Construction Stages)

In DeepEX we can graphically add construction stages and draw the model on the model area stage by stage, or use the model wizard to create a model with all construction stages in seconds. Either way, we need to create a detailed staging, starting from at rest conditions in an initial stage, and then step by step generate new stages with each excavation and support installation level. DeepEX will analyze and present results for each stage, allowing us to review the full model construction process, identify the most critical stage and optimize our structural sections and support locations in the most efficient way.

Figure: Anchored Wall Construction Stages in  DeepEX Software


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Step 3: Review the Results and Optimize the Model

DeepEX can analyze any deep excavation model with several implemented analysis methods (classical Limit Equilibrium, Non-Linear Analysis with elastoplastic springs and Finite Element Analysis). After the analysis is completed, DeepEX software presents all calculation results in tables and in graphs on the model area for each construction stage. We can review all calculated stresses, moment and shear diagrams along with the structural capacities, the support and wall check structural ratios, the wall embedment safety factors and more. This way, we can have a great overview of all structural items designed by the program for each stage, and take important decisions for the efficient model optimization.

We can optimize any model fast either manually by accessing all wall and supports on the model area and edit the structural sections and support locations fast through user friendly dialogs, or use the software automatic optimization tools that can fast check and give us a variety of section solutions for all structural items on the examined model.

Training Video - A Soldier Pile and Lagging Wall with Rakers Designed with DeepEX:


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