MECHANISMS AND MODELLING OF WASTE/CEMENT INTERACTIONS
 
     
ORAL PRESENTATIONS
MONDAY, OCTOBER 13, 2008 - AM

N.B. Milestone

Interaction of BaCO3 in OPC composite cements

F. Winnefeld

Development of pore solution chemistry and hydrate assemblages during hydration of calcium sulfoaluminate cements

S. Berger

Investigation of the hydration of calcium sulfoaluminate cement in the presence of zinc chloride – application to nuclear waste conditioning

MONDAY, OCTOBER 13, 2008 - PM

C. Cau dit Coumes

Low pH cements for waste repositories a review

B. Lothenbach

Hydration of “low pH” cements

J.L. Garcia Calvo

Low pH concrete resistance against underground water aggression

D. Arcos

Modelling of low-pH concrete degradation in a KBS-3 HLNW repository

TUESDAY, OCTOBER 14, 2008 - AM

S.V. Churakov

Structure of cement phases from ab initio modellin

P.J. Mc Glinn

Durability of a cementitious materials in waste disposal studies : integration of neutron tomography studies with other physical and chemical techniques

T. Sugiyama

Quantification of pore structure characterstics for deteriorated mortar due to calcium leaching by synchrotron microtomography

E. Wieland

Micro-spectroscopic investigations of the Al and S speciation in hardened cement paste

TUESDAY, OCTOBER 14, 2008 - PM

F. Claret

Modelling of concrete/clay interaction : influence of non –saturated conditions

A. Dauzères

Physico-chemical investigation of clayed rock/cement based-materials interaction in the context of geological waste disposal : experimental approach and preliminary results

R. Fernandez

Diffusion of an alkaline and hyperalkaline solution through compacted Mg-saturated bentonite    

K. Nakarai

Evaluation of long-term durability  of engineered barrier system of bentonite and cementitious materials by migration technique

D. Jacques

Geochemical evolution of concrete during long-term interaction with soil water in a near-surface radioactive waste disposal facility   

D. Sugiyama

Modelling oh chemical alteration of cement materials in radioactive waste repository environment

K. Suhara

A method of section design of chemically pre-stressed concrete members using a concept of work-done by expansive concrete

WEDNESDAY, OCTOBER 15, 2008 - AM
J. Rose

Speciation and role of iron phases in cement to fix heavy metals

V. Metz

Interactions of actinides with cement corrosion products in chloride rich solution : modelling and experimental results

C. Vandecasteele

Leaching mechanisms of antimonate+ in cementitious systems

J. Tits

Uranium(VI) uptake by calcium silicate hydrates

E. Martens

Modelling lead leaching from cementitious waste forms using PHREEQC   

C. Labbez

Adsorption of multivalent ions in cementitious materials : Importance of electrostatics

WEDNESDAY, OCTOBER 15, 2008 - PM

H.A. Van Der Sloot

European standardisation and regulatory developments in relation to release from monolithic materials – stabilised waste and cement-based construction products – to soil groundwater – an update

S. Garrault

Influence of high nitrate salts concentrations on dimensional variation of mortars under wet-curing

L. De Windt

Experimental and modelling study of salt binding and release by stabilized MSWI fly ash wastes

J.C.M. Meeussen

Modelling release of inorganic substances from cement stabilized waste and cement mortars

G. Ferrari

Feasibility studies for the treatment and reuse of contamined marine sediments
THURSDAY, OCTOBER 16, 2008 - AM

L.P. Alridge

Cracks and pores – their roles in the transmission of water through degrading concrete barriers

M. Schwortzer

Cement-based materials in contact with water – reactive transport driven by surface processes

T. Torichigai

Comparative study using some advanced simulation methods for leaching of cementitious materials over thousands of years