Report - Project Report

English

Robisson, Agathe 
Daneshvar, Dana 
Deix, Karl 
Dhar, Subhransu 
Kirnbauer, Johannes 
Liberto, Teresa 
Pauser, Michael 
Costa, Benedetta 

E207-01 - Forschungsbereich Baustofflehre und Werkstofftechnologie 

21-Nov-2023

32

cement; rheology; interface; recycling

Röntgenzentrum 

FFG

878151

This fifth year project achievements include: • The development of reliable protocols and expertise to analyse binders using X-ray powder diffraction (XRPD) and X-ray fluorescence (XRF). • The establishment of a protocol to reliably measure local velocity of a cementitious slurry sheared within two parallel plates using particle image velocimetry (PIV). • The design, machining and assembly of an autogenous shrinkage setup (no exchange of humidity with the environment). • The physical-chemical characterization of a sustainable binders including alkali-activated slags, OPC-recycled brick binders using XRPD, XRF and mechanical testing. • The physical-chemical characterization of old mortars from the Gründerzeit and the proof of concept of their reinforcement using waterglass. • The manufacturing of large scale (180x75x15 cm3) sloped composite concrete floors. The overlays were instrumented with distributed fiber optics sensors (DFOS) and strains were recorded in many locations and in the 3 directions. • The manufacturing of light-weight concretes (density ca. 1210 kg/m3 and 28-D compressive strength between 10 and 20 MPa) using a new method of bottom-up infiltration. Specific work packages are described in section 2.2 with project abstracts in the next pages. The team (co-authors of reports) is composed of Benedetta Costa, Dana Daneshvar, Karl Deix, Subhransu Dhar, Johannes Kirnbauer, Teresa Liberto and Agathe Robisson.

Materials Characterization: 50%
Surfaces and Interfaces: 25%
Structure-Property Relationsship: 25%

2011 - Bauingenieurwesen: 70%
2071 - Umwelttechnik: 5%
2050 - Werkstofftechnik: 25%