Development Of Ground Model

A ground model is an essential component of a geotechnical design report as it provides critical information on the site’s soil and rock properties, geological features, and other ground conditions that can impact the design, construction, and safety of structures or infrastructure.
Here are some reasons why a ground model is required as part of a geotechnical design report:

1. Foundation design

A ground model provides valuable information on the soil and rock properties, including their strength, stiffness, and deformation characteristics. This information is critical for selecting the most appropriate foundation type and designing it to withstand the anticipated loads.

2. Risk assessment

A ground model can identify any geological hazards or risks, such as landslides, soil liquefaction, sinkholes, or subsidence, that could affect the stability of the structure or infrastructure. Knowing the potential risks enables the design team to implement measures to minimise or mitigate them.
Engineering diagram showing soil layers and settlement analysis used in geotechnical reporting and foundation design

3. Cost optimisation

A ground model can identify soil and rock conditions that could impact the construction process or require additional design features. Understanding these conditions upfront can prevent costly delays, rework or redesign and help optimise construction costs.

4. Compliance

A ground model is often required by local building codes or regulations to ensure that construction activities comply with safety and environmental standards.

5. Performance evaluation

A ground model is also essential for evaluating the performance of structures or infrastructure during their lifespan. The ground model can provide critical information on the site’s soil and rock properties, groundwater conditions, and other ground conditions that can affect the structure’s long-term stability, durability, and safety.


In summary, a ground model is essential for ensuring the safe, compliant, and cost-effective design and construction of structures or infrastructure. It provides critical information on the site’s soil and rock properties, geological hazards, and other ground conditions that can impact the project’s design, construction, and performance.

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Quick Answers

FAQs

A ground model is an interpreted, layer-by-layer representation of a site’s subsurface, soil and rock units, groundwater and their engineering properties, built from investigation data. It underpins foundation and earthworks design.

It translates raw investigation data into a design-ready picture of the ground, so engineers can predict settlement, bearing capacity and hazards accurately and design with confidence rather than conservative guesswork.

Borehole and test-pit logs, in-situ and laboratory test results, groundwater readings, published geology and the desk study are combined and characterised into distinct engineering layers.

A qualified geotechnical engineer develops and interprets the model. Soil Eng builds site-specific ground models as part of its design and reporting service across the central and lower North Island.

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We value our client relationships and work diligently to achieve the best outcomes for projects and properties.

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On Point Distribution Partners Ltd profile picture
On Point Distribution Partners Ltd
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Alwyn and the team at soil eng did a full geotechnical report on our proposed subdivision. They were extremely knowledgeable and professional, and communication was very good. They completed the required report when promised and did it all at a reasonable price which we were more than happy to pay. I strongly recommend them if you’re looking to have geotech work done.
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Celtic_Coconut
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Excellent communication and attention to detail. Alwyn and his team went the extra mile to ensure everything was accurate and provided solutions to issues if they arose. Would definitely use them again.
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Dutch Dale profile picture
Dutch Dale
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Good to deal with , and was quick with his work
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Myles McKeefry
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Alwyn was a pleasure to deal with. Extremely knowledgeable and helpful with our pre-consent requirements. He was always available and very prompt with queries. Highly recommended
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Phillip Aaron Hume
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Alwyn has Been fantastic to deal with throughout the geotech process. He was quick to respond and completed the report in a timely manner. I highly recommend Soil-Eng
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Vicki Jamieson
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Alwyn was very quick from the time we rung for a geotech report to the delivery of the report. We highly recommend Soil Eng. Thank you Alwyn 😊
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Margaret Gray profile picture
Margaret Gray
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Alwyn was extremely professional. Very helpful and thorough. Very prompt and I would highly recommend him.
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Maxwell Sedarat profile picture
Maxwell Sedarat
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Alwyn did an excellent job. He has great communication and was very helpful during the process. I would definitely use Alwyn again for any future projects.
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John Sanderson profile picture
John Sanderson
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Alywn was great to work with. He carried out a pre purchase liquifaction assessment and report on a very short timeframe to meet our deadline. Soil Eng was also the most cost effective option available. Excellent work thankyou.