Technische Universität Berlin
Fakultät VI: Planen – Bauen – Umwelt
Institut für Bauingenieurwesen
Fachgebiet Baustoffe und Bauchemie
Prof. Dr. rer. nat. Dietmar Stephan
Studying the effect of a new clay mineral powder on the properties
of mortar and concrete
This project is proposed as a part of a PhD research. The first and main target of the project
is to evaluate the properties of mortar and concrete mixtures which are made with the
addition of a clay mineral with the brand name of IonSorb. This powder is a naturally
excavated mineral from Russia and consists of different particles, but the dominant mineral
is glauconite. The powder is fine and very porous and has the ability to absorb ions (ionexchange capacity). The concept is to make concrete structural elements which would be
used as pollution absorbent.
The second target of this project is to find the optimum amount for application of Ionsorb to
make a proper mix. For this purpose, there are different tests which should be carried out
within the next 4 months. The tests are mainly to evaluate concrete mechanical properties
such as compressive strength and porosity, and also concrete durability such as water
penetration, vapor diffusion, Chloride migration and water absorption coefficient.
Since the experiments are in different categories, the time for this work is flexible and
mainly depends on the experimental plan, which has to be arranged with the supervisor.
The type of work is firstly literature research on the target experiment (in Deutsch or
English) and then making and testing mortar or concrete in the concrete lab with different
recipes. Tests mentioned above could require in some cases up to 91 days which means that
the total experimental plan is possible within 3 to 5 months. The final report should be
written in English language.
Contact Person:
Project commencement:
Category:
Kasra Shafiei, M.Sc.
ab April 2014
Studienarbeit / Masterarbeit
E-Mail: kasra_shafiei@yahoo.com
Tel: 030 314 72112
www.baustoffe.tu-berlin.de