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International Journal of Geoengineering Case Histories news
11 Mar 2020
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Bill Kitch education
14 Mar 2020
This group was created to share resources that can be used to replace or enhance face-to-face lab courses. The group was started in response to university restrictions of face-to-face lab meetings in response to the COVID-19 pandemic. Faculty are encouraged to network and share materials. Post your general questions or queries here.
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Pooria Ghadir ICSMGE 2021
30 Apr 2020
Don’t forget that process for submitting your Abstract for ICSMGE 2021 has changed. All Abstracts are now to be submitted to the ICSMGE 2021 Conference Secretariat via the Conference Website by 31 May 2020.
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Adda Athanasopoulos-Zekkos news
13 Mar 2020
I'm honored to have been elected President of the USUCGER (www.usucger.org). I look forward to working with the members of our Board and the University Members towards our goals for continued development and expansion of high quality geomechanical, geotechnical and geo-environmental engineering research and education!
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Geoengineer.org news
22 Apr 2020
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Bentley Systems news
27 Mar 2020
Read how to work remotely.
PLAXIS: https://www.mygeoworld.com/blogs/working-from-home-with-plaxis
gINT: https://www.mygeoworld.com/blogs/working-from-home-with-gint
SOILVISION: https://www.mygeoworld.com/blogs/working-from-home-with-soilvision
Keynetix: https://www.mygeoworld.com/blogs/working-from-home-with-keynetix-products
Lucy Wu 7iYGEC
02 Mar 2020
The 7th International Young Geotechnical Engineers Conference is scheduled to be held from 10-12 September 2021 in Sydney Australia. This is an amazing conference bringing together young geo...
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Geoengineer.org news
05 Mar 2020
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Geoengineer.org education
22 Mar 2020
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Ceres Chung survey
05 Mar 2020
CAPG, YMPG, Technical Committees TC205, and TC304 of ISSMGE, launched a global survey on "Are we overdesigning" to assess the consistency of calculation models and design methods for geotech...
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DHURAIRAJIVGANDHI JAYAMOORTHI news
06 Mar 2020
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Giovanni Giusti ALBUM
15 Apr 2020
Bashar H. Malkawi news
18 Feb 2020
It is necessary in current times for engineers to have knowledge and expertise in structural engineering, petroleum engineering and material science. #landslides #Technoproject
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Hamzah M. B. Al-Hashemi PLAXIS3D
01 Apr 2020
A simple tip for #PLAXIS3D, especially for those who are using old versions. Have you wondered how to #model #Tapered #Piles or #Conical volume with interface elements? Please try the #code below (you...
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ISSMGE TC220
16 Mar 2020
TC220 is very pleased to announce a new Honour Lecture named after John Dunnicliff and on the subject of Field Monitoring in Geomechanics. John is a self-employed consulting engin...
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Geoengineer.org news
05 May 2020
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Bentley Systems PLAXIS3D
24 Apr 2020
Happy Earth Day from MoDeTo! Cost-effective monopile design just got EVEN better! We're excited to announce that PLAXIS MoDeTo is officially CONNECT Edition. Access the latest in updated capabilities including more efficient analyses, PISA method for layered soils, comparison with API method, and full integration with PLAXIS 3D. https://www.mygeoworld.com/ly/35NLaUR
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ISSMGE TC303
26 Mar 2020
Upon invitation of TC303 president Prof Hanlong Liu, International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE) President Charles W.W. Ng, also Chair Profess...
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Geoengineer.org news
16 Apr 2020
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ISSMGE TC103
16 Feb 2020
TC103 organized and completed a technical session in the 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (16ARC) held in Taipei International Convention...
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Adda Athanasopoulos-Zekkos ISSMGE TC203
30 Apr 2020
Feeling very honored and excited to receive the 2020 TC203 Young Researcher Award! https://ce.berkeley.edu/news/2405
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Lucy Wu group
07 Apr 2020
We're excited to announce that nominations for the Bright Spark Lecture Award for the 20ICSMGE in Sydney, Australia in September 2021 is now open! Two young members will be chosen to present a key...
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Ceres Chung group
05 Mar 2020
The article about the CAPG Plenary Session - The 16th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Taipei is published in the latest ISSMGE Bulletin. Check out more about...
Read MoreHi
I have a simulation performed by plaxis 2013, which collapses and it does not converge properly. I would appreciate it if someone could give me an idea of the problem.
This is a model of the wind turbine foundation where I’ve used the Mohr-Columb constitutive model for modeling the soil around the foundation, and the plate element technique (and their extrude) for the modeling of the foundation.
The modeling has three steps:
1- The first step: calculating the initial stresses
2- The second step: defining and modeling the foundation of the structure
3- The third step: applying the load
During the analysis of the model, at the step of applying load on the foundation, the soil around the foundation uplifts and foundation deformation is positive while it seems the problem does not relate to the load value. I have also tried to add a negative interface between the bottom of the foundation and the soil which did not impact the result.
I am looking forward to hearing any idea on the probable problem on my modeling procedure and/or boundary conditions,
Thanks in advance
Hamid,
You can follow this link where you can find a movie which shows how to model the installation of a wind turbine foundation and how to assign different loading conditions using the the new rigid body functionality in PLAXIS 3D AE release. The rigid body object allows users to define different loading conditions, like rotations, forces or displacements from a single user defined reference point. It is also particularly useful for off-shore applications.
Hi
Thank you very much for your response,
I noticed that the movie explains the process in the 2020 Plaxis version. My Plaxis is a 2013 version. It seems that in the 2020 version, there is a new function(rigid body) that I don’t have access to in the 2013 version. In particular, the process of geometrical modeling, before assignment rigid body, has not been explained in the movie.
Taking to account the modeling of a circular wind turbine foundation, I have assumed of couples of circles and extrude the circles to make a frustum pyramid (the right-side figure).
Is this simulation correct? And could you please guide me on how I may model the left-side figure in Plaxis?
Hi Hamid
In the latest PLAXIS 3D, we added some functionality, like the circular extrusion and the rigid body, to deal with such problems.
When still using PLAXIS 3D 2013, approximating as you did, or import the geometry, are workarounds to reach the same.
If you want to be contacted to get an update, please see here: https://www.bentley.com/en/About-Us/Contact-Us/Sales-Contact-Request-Plaxis-Hardware-Lock
Kind regards,
Micha van der Sloot
PLAXIS | Bentley Systems, Geotechnical
Palghar district has seen thousands of small earthquakes since November 2018, but Friday’s quake measuring 4.3 on the moment magnitude (Mw) scale was the first time the magnitude crossed 4 here.
Scientists, however, are divided on the primary cause of this phenomenon. Some believe it is related to groundwater levels, and others attribute it to tectonic activity. If high groundwater is the cause, the quakes may remain small. This phenomenon, called hydroseismicity.
can some one explain what is the concept of hydroseismicity?
This write-up by Prof. Briaud may be useful:
https://ceprofs.civil.tamu.edu/briaud/Intro%20to%20Moduli/Intro%20to%20Moduli.pdf
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