Creep-test of paste for 3DP

Published on 25 October 2021 at 17:10

Ze Chang is testing today in the Microlab the early age creep of ageing cement-paste for 3D printing. Challenging tests, but the results look promissing.

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Dr Claudia Romero Rodriguez

30 Mar 2025 12:22

Last Thursday, March 27, Claudia defended her PhD-thesis successfully. Congratulations! You are the 25th PhD-Student that defends the thesis at Delft University for which I am one of the supervisors.

Forum Speaker @ SUSTAINABLE CONCRETE 2025

28 Feb 2025 09:44

I will speak today at the online Forum on Sustainable Concrete 2025, organised by Andrzej Cwirzen and his group at Lulea University of Technology in Sweden. Participation is free. You can still register online!

ZDF-tv-program on self-healing concrete

14 Feb 2025 17:31

Tomorrow February 15th, there will be a TV-show on German TV (ZDF) that is dealing with Self-healing concrete. In the program you can see some shots that we took inside our lab, outside at the construction site of the tram-project at the campus and also at the premisses of Basilisk (where they produce the self-healing agent with Bacteria).

Senot Sangadji inaugurated as full professor

12 Feb 2025 13:45

Today Senot Sangadji was inaugurated as full professor at the Universiy Sebelas Maret in Indonesia. Senot finished his PhD in our group in 2015 on self-healing concrete by making use of porous networks to transport healing agents in concrete structural elements.

Self-healing SHCC

16 Dec 2024 11:28

For the tram-project at the TU-Delft campus, we designed the top layer in such a way that the SHCC should crack in a zone above a construction joint in the base concrete. Here we incorporated shear keys and we delaminated the two layers in between. The SHCC should and does crack, but the bacteria (Basilisk) we added to the mix heal the crack. In the right picture you see that it works! The principle of the self-healing strain hardening cementitious composite was developed within the SMARTINCS project. The project team (Shan He, Mladena Lukovic, Henk Jonkers and Erik Schlangen) is inspecting the progress.

Casting tram-concrete

16 Dec 2024 10:30

Today is the casting of the 4th segment of the self-healing-strain hardening cementitious composite-top layer for the tram-track at our campus.

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