International Conference on Building Materials

The 21st International Conference on Building Materials "ibausil" will take place in Weimar in 2023.

General Remarks


You are cordially invited to the zur 21st ibausil in Weimar.
Here we collected all informations for you.

Conference languages

The conference languages are German and English. There will be a simultaneous interpreting in German-English as well as English-German in the main auditorium.

Information for Authors

Registration of presentations

The lecture registration takes place exclusively online.
The link will be available here in 2022.

Conference documents

All accepted papers and posters will be published on a data medium.
For this we provide you with the hints and samples (PDF|DOC).

Registration for conference

You will be able to register online for the conference.
The link will be made available to you here.

Cancellation policies

A processing fee will be charged for cancellations after 30th June 2023.
A refund will not be granted after the 14th August 2023.

Separate Registration

Participants, who are

  • plenary or main lecturer
  • lecturer or
  • presenting a poster

Please contact us seperatly. We would be happy to help you.

Programme of the Conference

The conference will start on September 15th, 2023 at 9:00 am.


From spring 2023 we will make the PROGRAMME available to you here.

Social Programme

In addition to the conference programme, we invite you to take part in guided tours and a conference dinner. More informations you will find here in spring 2023: SOCIAL PROGRAMME

Main topics of the conference (expected)

The main topics of the conference are grouped according to materials and will deal with problems of both basic research and applied science, ranging from new buildings and revitalisation to the preservation of monuments. Methodologically-oriented contributions (production engineering, ecology, ensuring of quality, test methods and test processings, assessments of actual building state, effects of admixtures, additives and aggregates) should therefore be classified according to application.

1  Inorganic binders
10 Cement production process
11 Type of cements and cement properties
12 Cement hydration
13 Effect of admixtures
14 Binders and materials on the base of calcium sulphate
15 special binders for defined applications
16 Alternative low-CO2 binder

2  Concretes and Durability of concrete
20 Concrete and aggregates
21 High performance concrete
22 Self-compacting concrete and rheology
23 Fibre reinforced concrete and shotcrete
24 Pavement concrete
25 Polymer cement mortars and polymer cement concrete
26 Concrete Admixtures
27 Alkali-silica reaction
28 Sulphate attack
29 Freeze-thaw and freeze-deicing-salt attack and other exposures 

3  Walling materials / Construction maintenance / Recycling
30 Building protection and maintenance
31 Ashlar / natural stone masonry
32 Building ceramics
33 Calcium-silicate brick and C-S-H-insulating materials
34 Light-weight concrete and autoclaved aerated concrete
35 Mortar, plaster mortar and floor screed materials
36 Adhesives / binding materials and filling compounds
37 Recycling of building materials

Journey and hotel list

Venue of the conference

congress centrum weimarhalle

How to get to Weimar

Map of Weimar

Description of the route


We you will find a hotel list here in spring 2023.