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Independent Software for Geotechnical and Civil Engineers in Offshore Industry: Renewable Energy, Floating Windfarms and Windparks at sea.
Our software products are built on 35+ years of experience and based on proven technology since 2012 and used by engineers world wide.
INTRODUCING:
CAISSON_VHM & SPUDPEN
LEG PENETRATION ANALYSIS SOFTWARE
Both software programmes can be used to calculate suction (preload) methods for offshore jack-up rigs and spud cans.
Caisson_VHM
Preliminary caisson geotechnical designs are required for two foundation types, namely support and anchor foundations. Both have different design challenges: for top loaded support foundations, it's possible to directly obtain optimum geometries (i.e. factored loads equal factored resistances) for given VHM loads.
Spudpen
Spudpen is used to calculate independent Jack-up rig leg penetration behaviour during preloading according to ISO Standard 19905-1 (2016) including foundation calculation methods, e.g. squeezing for sand and clay calculations. Spudpen will give you detailed leg penetration analysis reports.
CAISSON VHM
About
Program CAISSON_VHM calculates offshore foundation caisson capacity in undrained soils under VHM load using a yield function (Kay and Palix, 2010, Kay, 2015).
The latter type is mainly used to anchor floating systems or vessels, as a starter pile for pipeline pulls, or salvaging capsized vessels.
The soil response is assumed undrained, and gives various shear strength profiles between which the program interpolates.
Caisson foundations may be broadly divided into the following two types:
- Support foundations (load applied at seafloor)
- anchor foundations (load applied at depth below seafloor).
The former foundation type includes usage for:
- (oil and gas) subsea templates, manifolds, wellhead and pipeline supports, riser tower bases
- (renewables) wind turbines, transformers and met masts, etc.
Offshore Pile Suction Calculation
Specifications
Summary:
- Analysis using Kay (2015, ISFOG) caisson yield function and Degenkamp and Dutta (1989) anchor chain equations
- Yield function from > 5500 3D FEA runs
- Multi layered soil profile, multiple caisson geometries and load cases
- DOS front end for data input and results
- Analysis using Kay (2015, ISFOG) caisson yield function and Degenkamp and Dutta (1989) anchor chain equations
- Voice / email technical support
- User’s Manual, FAQ and templates
- Proven technology running since 2012
- Fast & Secure
Spudpen
Spudpen leg penetration analysis refers to the calculation of jack-up rig leg penetration behavior during preloading, according to ISO Standard 19905-1 (2016). The main objectives are to predict the final leg penetration depth and identify potential punch-through situations. Spudpen analyses are used to assess the foundation capacity of jack-up rigs, which rely on spudcan footings to spread the load and prevent excessive penetration into the seafloor.
Deep spudcan penetrations can lead to difficulties during the extraction process, especially in clay soils, due to insufficient rig capacity to overcome the extraction resistance. Conventional methods based on bearing capacity formulas, as well as finite element analyses, are used to calculate spudcan penetration and extraction forces at different locations.
These analyses consider factors such as soil conditions, spudcan geometry, and loading conditions to ensure the jack-up rig can be safely installed and extracted.
About
The main task objectives are to:
- Predict the final leg penetration depth
- Identify potential punch-through situations.
Leg Penetration Analysis
Methods used:
- Houlsby and Martin (2003)
- Skempton (1951)
- Hossain et al. (2006)
- Hanna and Meyerhof (1980)
- Young and Focht (1985)
- Brown and Meyerhof (1969)
- User’s Manual, FAQ and templates
- Proven technology running since 2012
- Fast & Secure
Specifications
Specification Summary:
- Model the ground (number based)
- Model the spudcan (number based)
- Select penetration calculation model (e.g. ISO 19905-1) 2016
- Check input parameters e.g. gross bearing capacity, structural spudcan reaction, submerged weight of backfill, buoyancy
- General shear in sand
- General shear in clay
- Squeezing of clay
- Punch-through Sand or Clay into Sand or Clay
- Punch-through Sand or Clay into Squeezing Clay
"Fast detailed output leg pen results."
Spudpen and Caisson_VHM both are robust, fast and reliable solutions. And when it comes down to their output: You can use the detailed calculated output results in your LPA, soil reporting and survey investigations.
Licensing Fees
OUR PRICING PLANS
Pricing below are ‘starting’ license fees per year and differ per Spudpen and Caisson products, number of users and training. To get exact licensing fee for your needs, please contact us.
Single User Starting Price
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Free updates
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Free support
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800+ Documentation
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Max 1 person usage
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12 months license fee
Multi users Starting Price
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Free Updates
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Free Support
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800+ Documentation
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Hands-on Training (option)
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Max x users
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12 month license fee
10+ / Unlimited Users Starting Price TBA
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Free Updates
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Free Support
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Unlimited Person Usage
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Hands-on Training
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12+ Months
To extend our services, our Spudpen and Caisson_VHM product licenses come with extra updates, upgrades, integrations, support, consultancy, training and maintenance fees upon request.
How do Caisson_VHM and Spudpen work?
Both Caisson_VHM and Spudpen run ‘in the cloud’ – you don’t need to install anything.
Use INPUT Form
We spent some time creating an easy to use INPUT form.
... or IMPORT File
Alternatively you can create a text based input file, which you can manually alter and update with your data.
Generate Output File
Once you hit "calculate" the results are shown in a table format for you to view (including the original output file).
Note: Input form only for SPUDPEN at the moment.
GUI is coming and will be implemented in 2024 for free and no additional cost.
FAQ
Do I need to install anything?
You don’t need to install anything. Both programmes: Spudpen and Caisson_VHM run in the cloud, which you can access from any device.
Where is my data being stored?
You data is your data to view and stored safely. You can delete your data anytime you want.
How many people can use the software?
There is no limit to how many people can use the software. You can purchase a single license or multiple. Please ask for options if you are not sure via www.casksoftware.com/contact
What about updates / maintenance?
Fees for software updates, upgrades, integrations, maintenance, support and consultancy and training are optional.
Book: Intermediate Offshore Foundations
Coverage: Intermediate offshore foundations that are used as anchors for floating platforms and ancillary structures, foundations for steel jackets,, and to support seafloor equipment and offshore windturbines.
"This is the first book dedicated to the geotechnical design of intermediate foundations, and it will appeal to professional engineers specialising in the offshore industry."
Questions / Enquiries? Please, contact us
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• SBM Offshore • SPT Offshore • Multiconsult • DEME • Bluewater • RINA • HDEC Hyundai Engineering & Construction • TotalEnergies
and many more.
Independent Software for Geotechnical and Civil Engineers.
Foundation is everything.
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