LJ'ROM MATERIALS SCIENCE TO CONSTRUCTION MATERIALS ENGINEERING

DE LA SCIENCE DES MATERIAUX AU GENIE DES MATERIAUX DE CONSTRUCTION

VOLUME ONE

Pore Structure and Construction Materials Properties

Porosite et Proprietes des Materiaux

Proceedings ofthe first International Congress held by RILEM (the International Union ofTesting and Research Laboratories for Materialsand Structures) and organized by

AFREM (the French Association ofResearch and Testing for Materialsand Structures).

Palais des Congres Versailles, France

September 7-11, 1987

EDITEDBY

J.C. Maso

LONDON NEW YORK

CHAPMAN AND HALL

Contents

Table des matieres

Author index Index des noms d'auteurs

G.F.Loedolff Low porosity concrete

S. Monosi and M. Collepardi Low porosity and early durability of concrete

A. Bachiorrini, A. Delmastro et L. Montanaro Inftuence du processus d'elaboration sur la reactivite de l'anhydrite vis-l-vis de l'eau

J.Soriano R&ctions d'interaction entre certains granulats et la phase interstitielle du beton

N. Tenoutasse and A. M. Marion Inftuence of industrial by-products on the porosity of hydrated Portland cement

Cembureau The Cembureau Co-operative Programme on permeability measurements for concrete

D. P. Bentz and H. M. Jennings Quantitative characterization of the microstructure of hardened tricalcium silicate paste using computer image analysis

page

xix xix

1

9

17

25

33

41

49

C. Tashiro and H. Urushima

Microstructure and. strength of C3S cement paste cured at hydrostatic pressure of 450 kg/cm2

K. L. Scrivener and P. L. Pratt

The characterization and quantification of cement and concrete microstructures

D. J. Cook and H. T. Cao An investigation of the pore structure in fly ash/OPC blends

M. Samalikovä

The prognosis of aggregate quality according to the microstructure of mineral grains

S. Tada

Pore structure and moisture characteristics

F. S. Rostäsy, C. Ehm and K. Hinrichsmeyer

Structural alterations in concrete due to thermal and mechanical stresses

N. Moroto Void distribution in granular material during the shearing process

J. M. Salla and A. Aguado

Voids and porosity in composite materials: factors affecting the void content in polyester resin concrete

S.L.Chan Applications of stereological and image analytical methods for concrete testing

R. Berissi, G. Bonnet et G. Grimaldi

Mesure de la porosite ouverte des betons hydrauliques

Y.Berthaud

Mesure de l'endommagement mecanique du beton par methode ultrasonore

V. Kadlecek and J. Dohnälek

Spectral analysis of ultrasonic signals in the testing of concrete

XIV

57

61

69

77

85

92

100

107

lll

ll9

123

127

F. lurker and M. S. Akman Application of electro-osmosis on Portland cement mortars

L. J. Parrott Measurements and modelling of moisture, microstructure and properties in drying concrete

P. Hassinen and L. Rautiainen Selection of testing methods for structural foams

T. Soshiroda Anisotropie structure of concrete: macroscopic characterization by tensile testing

U. Costa and F. Massazza Remarks on the determination of the pore distribution of Portland and pozzolanic cement pastes

A.Galan Strength and elasticity characteristics of gas concrete in the structure determined by non-destructive methods

M. A. Samarai, Z. A. Raouf and A. K. Alshawaf Characterization of porous ferrocement plates by ultrasonics

J. Y. Drean, P. Mauvieux, D. Adolphe et C. Wolff Methode de mesure en continu de la masse surfacique des geotextiles: application a l' etude des structures

A. Carpinteri Influence of def ects and porosity on material strength

M. P. de Luxan, M. 1. Sanchez de Rojas, M. T. Martin Patino and

131

135

143

151

159

167

171

179

183

J.Saavedra 191 Structure and reactivity of various natural siliceous materials

C. Atzeni, L. Massidda and U. Sanna Effect of pore distribution on strength of hardened cement pastes

M. Murat et A. Bachiorrini Resistances mecaniques et notion de porosite critique: application aux composites a base de ciment alumineux

XV

195

203

E. Oztekin

La resistance du beton en relation avec la resistance du mortier et l'adherence mortier - granulat

J. J. Rosell, A. Aguado andJ. Dolz From theory to practice of porous cement concrete

N. D. Barovsky and G. M. Bozhinov

Relations between the properties and structure parameters of cement stone

Sun Baozhen and Su Erda

Relation between properties of aerated concrete and its porosity and hydrates

Feng Nai-Qian, Zhang Shu-Qing and Yu Wen-Hua

Fundamental investigation of cellular concrete aerated by gas carrier: a laboratory study of the increasing gas-carrying eff ect of zeolite rock

V. P. Kniazeva et A. P. Merkin A propos de la structure poreuse des materiaux de construction a base de verres naturels

M. Murat, A. EI Hajjouji et L. Montanaro

Correlation 'microstructure - porosite- proprietes mecaniques' des ciments d'anhydrite

D. Quenard, J. P. Laurent et H. Sallee Comportement dynamique des materiaux du bätiment vis-a-vis de l'humidite

G. Menguy, H. Ezbakhe etJ. Leveau Influence de la porosite sur les caracteristiques thermiques des materiaux de construction

E. Carrio-Schaffhauser et P. Gaviglio Exemple de transformations des proprietes physiques d'un materiau calcaire liees a une variation de porosite dans le milieu nature!

M. Mamillan Influence de la microstructure des roches sur leur durabilite

xvi

210

218

226

232

238

246

253

261

269

277

285

D. Broc, V. Lesage, J. C. Robinet et 1. Shahrour Comportemerit et modelisation des materiaux candidats pour la realisation de site de stockage des dechets nucleaires

N. Turk Inßuence of porosity on the engineering properties of rocks

293

301

M. Kawakami, K. Gamski, H. Tokuda, M. Kagaya and K. Ishizaki 309 Strength and inherent stress of partially polymer-impregnated concrete

G. Raimbault, F. Moutier et J. L. Nissoux 317 Materiaux poreux et structures de chaussees

F. de Larrard Modele lineaire de compacite des melanges granulaires

A. Bascoul, R. Cabrillac et J. C. Maso Inßuence de la forme et de l'orientation des pores sur le comportement mCcanique des betons cellulaires

R.CabrillacetB.Perrin Inßuence de la forme et de l'orientation des pores sur la conductivite thermique des milieux poreux

M. Buil, A. M. Paillere et J. P. Hamon Application d'un modele de viscosite de suspensions concentrees polydispersees a la formulation de coulis d'injection a base de liants hydrauliques

G.Roux Super-isolants en polyurethanne rigide, optimisation de leur structure ' ccllulaire, reduction de leur permeabilite aux gaz

P. W.Brown Thermodynamic aspects of concrete durability

Y. Faure, J. P. Gourc, F. Millot et S. Sunjoto De la porometrie d'un geotextile a la definition de son ouverture de filtration

xvii

325

333

341

349

357

363

371