RockDefTUD
@rockdeftud.bsky.social
We are the Rock Mechanics lab at TU Delft. We will post about the rocks we break and the resulting science. By Anne Pluymakers and Auke Barnhoorn
Excited to be back at PSI with the crew from Njord to shoot with neutrons and X-rays at rocks to investigate flow and precipitation in basalts
November 3, 2025 at 10:32 AM
Excited to be back at PSI with the crew from Njord to shoot with neutrons and X-rays at rocks to investigate flow and precipitation in basalts
*Krak!* In case you think salt always flows.....in Jops PhD project it is all about breaking salt. And it does so quite nicely, if you push it enough!
October 21, 2025 at 11:26 AM
*Krak!* In case you think salt always flows.....in Jops PhD project it is all about breaking salt. And it does so quite nicely, if you push it enough!
Shihao is on a roll! Last week he presented in Beijing, today in Cyprus... And in between he submitted the final draft of his PhD thesis to the Graduate School! 😎🤓😁😁😁
October 20, 2025 at 4:30 PM
Shihao is on a roll! Last week he presented in Beijing, today in Cyprus... And in between he submitted the final draft of his PhD thesis to the Graduate School! 😎🤓😁😁😁
PhD candidate Jop is crushing it! Trying out how mechanically homogeneous and repeatable the homemade salt rocks are 😁
October 17, 2025 at 6:35 AM
PhD candidate Jop is crushing it! Trying out how mechanically homogeneous and repeatable the homemade salt rocks are 😁
Disco-salt! This is a very salty day, meeting with PhD Jop on his salt project but also sitting in a national salt meeting talking about what's happening in salt. This salt block is standing in our lab post-lab-torture 😁 happy Friday all!
October 10, 2025 at 8:53 AM
Disco-salt! This is a very salty day, meeting with PhD Jop on his salt project but also sitting in a national salt meeting talking about what's happening in salt. This salt block is standing in our lab post-lab-torture 😁 happy Friday all!
For those at the European #geothermal congress: go see @entelakane.bsky.social , in session 6F: Rock mechanics and petrophysics, Gartensaal 1A
October 9, 2025 at 5:28 AM
For those at the European #geothermal congress: go see @entelakane.bsky.social , in session 6F: Rock mechanics and petrophysics, Gartensaal 1A
3 months of failed attempts but finally some progress on pressing our own salt samples from NaCl powder #teamSalt not yet perfect but at least it doesn't crumble...
September 24, 2025 at 1:59 PM
3 months of failed attempts but finally some progress on pressing our own salt samples from NaCl powder #teamSalt not yet perfect but at least it doesn't crumble...
It's basalt time! Working on a few samples for Njord Oslo, who invited Anne to join their trip to PSI in November to shoot neutrons at rocks again
September 16, 2025 at 8:17 AM
It's basalt time! Working on a few samples for Njord Oslo, who invited Anne to join their trip to PSI in November to shoot neutrons at rocks again
Team Salt on the move! Brazilian disc testing with camera plus acoustics on healed samples fractured last spring 🤓😁
September 10, 2025 at 6:39 AM
Team Salt on the move! Brazilian disc testing with camera plus acoustics on healed samples fractured last spring 🤓😁
Tonight our team caught the last rays of the summer sun in the pretty area of Meijendel, near the beach 🥰
September 9, 2025 at 7:01 PM
Tonight our team caught the last rays of the summer sun in the pretty area of Meijendel, near the beach 🥰
Former PD Debanjan Chandra is visiting from Norway to run experiments with an #EPOS-NL grant and he is explaining his new experiments whilst monitoring his stuff. Multi-tasking at its finest!
July 18, 2025 at 10:52 AM
Former PD Debanjan Chandra is visiting from Norway to run experiments with an #EPOS-NL grant and he is explaining his new experiments whilst monitoring his stuff. Multi-tasking at its finest!
A first attempt at cold pressing our own salt samples, which will be baked afterwards for Jops PhD project. If anyone has any tips, we gladly take them!
July 15, 2025 at 1:30 PM
A first attempt at cold pressing our own salt samples, which will be baked afterwards for Jops PhD project. If anyone has any tips, we gladly take them!
Even more proud as a supervisor: he won the best presentation prize ❤️🤓💪💪💪
July 3, 2025 at 3:54 PM
Even more proud as a supervisor: he won the best presentation prize ❤️🤓💪💪💪
The last batch of experiments for @entelakane.bsky.social will take place in Utrecht at TNO, thanks to #EPOSNL funding 🤓
June 16, 2025 at 10:10 AM
The last batch of experiments for @entelakane.bsky.social will take place in Utrecht at TNO, thanks to #EPOSNL funding 🤓
Question to those rock crushing people out there: how long do you keep your post-experimental samples after a project finished? Here we are contemplating 2-5 years post-publication.... Though the thought of tossing those beauties away pains us :( we are seriously struggling for space!
June 13, 2025 at 6:53 AM
Question to those rock crushing people out there: how long do you keep your post-experimental samples after a project finished? Here we are contemplating 2-5 years post-publication.... Though the thought of tossing those beauties away pains us :( we are seriously struggling for space!
Almost back home after looking at broken rocks with our 2nd year BSc students in France. Also for lab rats it's energizing to see faults in their natural habitat!
June 6, 2025 at 2:38 PM
Almost back home after looking at broken rocks with our 2nd year BSc students in France. Also for lab rats it's energizing to see faults in their natural habitat!
It's a bit quiet on here, since Anne is in the field with our 2nd year students :) now in the train to EAGE for a panel discussion about education in geosciences in these times of energy transition...
June 2, 2025 at 2:22 PM
It's a bit quiet on here, since Anne is in the field with our 2nd year students :) now in the train to EAGE for a panel discussion about education in geosciences in these times of energy transition...
More BSc thesis time! Jesse worked today with BSc Iris to scan the heterogeneous Rotliegend cores .. always good to scan before breaking! #breakingrocks #rocks
May 23, 2025 at 6:36 PM
More BSc thesis time! Jesse worked today with BSc Iris to scan the heterogeneous Rotliegend cores .. always good to scan before breaking! #breakingrocks #rocks
We made use of the spring weather to do a lab&friends BBQ at Anne's place, including our wonderful BSc and MSc students... Always good to have good food and good company!
May 22, 2025 at 2:40 PM
We made use of the spring weather to do a lab&friends BBQ at Anne's place, including our wonderful BSc and MSc students... Always good to have good food and good company!
Not a basket full of cookies but a small box of different types of saw cut Dinantian samples. If I were a grandmother, it'd be totally my kind of gift!
May 13, 2025 at 7:24 AM
Not a basket full of cookies but a small box of different types of saw cut Dinantian samples. If I were a grandmother, it'd be totally my kind of gift!
PhD Jesse came by in the afternoon and made my day with these freshly cored heterogeneous #Rotliegend #sandstone samples for #CrossScale w/ @geoenergyprof.bsky.social Aren't they pretty? Next: cutting them (and deciding where...), CT scan, porosimetry and then... Break them! 😎😎 #breakingrocks #rocks
May 7, 2025 at 7:46 PM
PhD Jesse came by in the afternoon and made my day with these freshly cored heterogeneous #Rotliegend #sandstone samples for #CrossScale w/ @geoenergyprof.bsky.social Aren't they pretty? Next: cutting them (and deciding where...), CT scan, porosimetry and then... Break them! 😎😎 #breakingrocks #rocks
Meanwhile in Delft the thesis season is in full swing... Sybrand is now nicely into obtaining his Brazilian disc dataset on salt samples for his BSc thesis with Jop and Shihao
May 2, 2025 at 11:00 AM
Meanwhile in Delft the thesis season is in full swing... Sybrand is now nicely into obtaining his Brazilian disc dataset on salt samples for his BSc thesis with Jop and Shihao
Today it was former PD Debanjan Chandra who took the stage, to talk about using sonic velocities to monitor CO2 plume migration #CCS #breakingrocks #rocks
May 1, 2025 at 10:13 AM
Today it was former PD Debanjan Chandra who took the stage, to talk about using sonic velocities to monitor CO2 plume migration #CCS #breakingrocks #rocks
Proud of the current and former team 🤓🤘💪
April 30, 2025 at 1:29 PM
Proud of the current and former team 🤓🤘💪