#22 GEOASH: ambient temp. hardening of fly ash-based geopolymer cements

#22 GEOASH: ambient temp. hardening of fly ash-based geopolymer cements

Aug 8, 2014 | No Comments

The European Research Project GEOASH: (2004-2007). Development of room temperature hardening for fly ash-based geopolymer cements and concretes. When compared with alkali-activated, heat-cured conventional methods, the slag/fly ash-based geopolymer cement technologies, which harden at ambient temperature, provide better properties: higher strength, safer long-term durability and lower leachates. CONTENT 1. Introduction 2. Methods 2.1 Conventional Method: Alkali-Activation, […]

#21 Geopolymer cement review 2013

#21 Geopolymer cement review 2013

Feb 13, 2013 | No Comments

A review on Geopolymer cement, as of January 2013. Prof. Joseph DAVIDOVITS CONTENT 1. Introduction 2. Portland cement chemistry vs Geopolymer cement chemistry   2.1 Alkali-activated materials vs Geopolymer cements.   2.2 User-friendly alkaline-reagents 3. Geopolymer cement categories   3.1 Slag-based geopolymer cement   3.2 Rock-based geopolymer cement   3.3 Fly ash-based geopolymer cements   3.4 Ferro-sialate-based geopolymer cement 4. CO2 […]

# 20 Milestone paper IUPAC 76

# 20 Milestone paper IUPAC 76

Nov 5, 2011 | No Comments

Full Paper of the communication presented at IUPAC Symposium on Long-Term Properties of Polymers and Polymeric Materials, Stockholm 1976, Topic III.   Solid-Phase Synthesis of a Mineral Blockpolymer by Low Temperature Polycondensation of Alumino-Silicate Polymers: Na-poly(sialate) or Na-PS and Characteristics . Joseph DAVIDOVITS INTRODUCTION The work exposed here comes from an attempt to transfer our […]

#19 Dramatized Sculptures with Geopolymers

#19 Dramatized Sculptures with Geopolymers

Mar 25, 2008 | No Comments

Proceedings of the International Conference Geopolymer ‘99 by Georges GRIMAL artiste and sculptor member of the Geopolymer Institute ( in English, en Français ) For thousands of years sculpture has been invented to be seen in daylight. Today, artificial light opens the door to a new approach, all the more so since the advent of […]

#18: Fly ash-based geopolymer concrete

#18: Fly ash-based geopolymer concrete

May 30, 2014 | No Comments

Fly Ash-Based Geopolymer Concrete for environmental protection by B.Vijaya Rangan Faculty of Engineering, Curtin University of Technology Perth, Australia Published in The Indian Concrete Journal, April 2014, Vol. 88, Issue 4, pp. 41-48, 50-59. Professor Vijay Rangan is Australia Mr. Concrete. He presents here a review on the extensive studies conducted on fly ash-based geopolymer […]

#17: Develoment and properties of low-calcium fly ash-based geopolymer concrete

#17: Develoment and properties of low-calcium fly ash-based geopolymer concrete

Mar 25, 2008 | No Comments

Curtin Research Report on Fly Ash-Based Geopolymer Concrete Develoment and properties of low-calcium fly ash-based geopolymer concrete by Djwantoro Hardjito and B.Vijaya Rangan Research Report GC 1 (103 pages) (dec. 2005), Report GC 2 (107 pages) (mar. 2006) Faculty of Engineering, Curtin University of Technology Perth, Australia From 2001, we have conducted some important research […]

#16: Environmentally Driven Geopolymer Cement Applications

#16: Environmentally Driven Geopolymer Cement Applications

Mar 25, 2008 | No Comments

Environmentally Driven Geopolymer Cement Applications. by Joseph Davidovits Invited Paper, Geopolymer 2002 International Conference, October 28-29, Melbourne, Australia Environmentally driven geopolymer applications are based on the implementation of (K,Ca)-Poly(sialate-siloxo) / (K,Ca)-Poly(sialate-disiloxo) cements. In industrialized countries (Western countries) emphasis is put on toxic waste (heavy metals) and radioactive waste safe containment. On the opposite, in emerging […]

#15: 30 Years of Successes and Failures in Geopolymer Applications

#15: 30 Years of Successes and Failures in Geopolymer Applications

Mar 25, 2008 | No Comments

30 Years of Successes and Failures in Geopolymer Applications. Market Trends and Potential Breakthroughs. by Joseph Davidovits Invited Paper, Geopolymer 2002 International Conference, October 28-29, Melbourne, Australia The presentation included 30 slides describing following geopolymer applications developed since 1972 in France, Europe and USA. The Geopolymer chemistry concept was invented in 1979 with the creation […]

#14: Geopolymeric Cross-Linking (LTGS) and Building Materials

#14: Geopolymeric Cross-Linking (LTGS) and Building Materials

Mar 25, 2008 | No Comments

Geopolymeric Cross-Linking (LTGS) and Building Materials Geopolymer’88 Proceedings, Vol. 1, pp. 79-88 “Réticulation Géopolymérique et Matériaux de Construction” In English: After a concise presentation of the chemical principles governing the LTGS geopolymeric cross-linking with the main mineralogical components of soils, earths and clays, the authors present their experiments for a rational use of lateritic materials. […]

#13: Solidifaction of various radioactive waste in geopolymer and long-term stability

#13: Solidifaction of various radioactive waste in geopolymer and long-term stability

Mar 25, 2008 | No Comments

Solidification of various radioactive residues by géopolymère with special emphasis on long-term-stability by E. HERMANN (1), C. KUNZE (1), R. GATZWEILER (2), G.KIEßIG (2), J. DAVIDOVITS (3) (1) B.P.S. Engineering GmbH (2) WISMUT GmbH (3) Cordi-Géopolymère SA published in the Géopolymère ‘99 Proceedings, 2nd International Conference on Geopolymers Sludges containing radionuclides, toxic heavy metals and […]

#12: Geopolymers: Inorganic Polymeric New Materials

#12: Geopolymers: Inorganic Polymeric New Materials

Mar 25, 2008 | No Comments

J. Thermal Analysis (1991) GEOPOLYMERS: Inorganic Polymeric New Materials by Joseph Davidovits published in : Journal of Thermal Analysis, Vol. 37, 1633-1656 (1991) Spectacular technological progress has been made in the last few years through the development of new materials such as ‘geopolymers’, and new techniques, such as ‘sol-gel’. New state-of-the-art materials designed with the […]

#11: Geocistem Midterm (1995) Worldwide development and applications

#11: Geocistem Midterm (1995) Worldwide development and applications

Mar 25, 2008 | No Comments

Geocistem Midterm Meeting Saint-Quentin 3 et 4 juillet 1995 Worldwide development and applications of Geopolymers Le point sur les Géopolymères dans le monde ( in French, en Français ) Cette brochure grand public présente les activités et les différents produits en géopolymère. L’industrialisation des matériaux nouveaux issus de la science des géopolymères fait maintenant partie […]

#10: From ancient concretes to Geopolymers

#10: From ancient concretes to Geopolymers

Mar 25, 2008 | No Comments

Arts et Métiers Magazine N°180, Sept. 1993: From ancient concretes to geopolymer “Des bétons antiques au géopolymère” ( in English, en Français ) This paper has been adapted from an article written for the general audience by two independent French journalists. It outlines the story of geopolymer and his inventor Prof. Joseph Davidovits . Click […]

#9: Ultra-High Temperature Tooling Material for the Manufacture of Advanced Composites

#9: Ultra-High Temperature Tooling Material for the Manufacture of Advanced Composites

Mar 25, 2008 | No Comments

Ultra-High Temperature Tooling Material for the Manufacture of Advanced Composites SAMPE 1991, 36, vol. 2, pp 1939-1949: Geopolymers of the Poly(sialate-disiloxo) type (- Si-O-Al-Si-O-Si-O -), very-low viscosity inorganic resins, harden like thermosetting organic resins, but have use-temperature range up to 1000°C (1830°F). High-temperature techniques are no longer necessary to obtain materials which are ceramic-like in […]

#8: Alkaline Cements and Concretes, Properties of Geopolymer cements

#8: Alkaline Cements and Concretes, Properties of Geopolymer cements

Mar 25, 2008 | No Comments

1rst International Conference on Alkaline Cements and Concretes KIEV Ukraine, 1994 PROPERTIES OF GEOPOLYMER CEMENTS by Joseph Davidovits published in the Proceedings, pp. 131-149 Geopolymer cement, high-alkali (K-Ca)-Poly(sialate-siloxo) cement, results from an inorganic polycondensation reaction, a so-called geopolymerisation yielding three dimensional zeolitic frameworks. High-tech Geopolymer K-Poly(sialate-siloxo) binders, whether used pure, with fillers or reinforced, are […]

#7: Concretes for Nuclear Waste and Uranium Waste Containment

#7: Concretes for Nuclear Waste and Uranium Waste Containment

Mar 25, 2008 | No Comments

Recent Progresses in Concretes for Nuclear Waste and Uranium Waste Containment by Joseph Davidovits published in Concrete International, Vol.16 (12), pp. 53-58 (1994) The main objective in the management of nuclear and uranium radioactive wastes is to protect current and future generations from unacceptable exposure to radiation from man-made materials. This task can best be […]

#6: Toxic metals immobilisation

#6: Toxic metals immobilisation

Mar 25, 2008 | No Comments

Toxic metals immobilisation PART I. Theory and Applications by J.G.S. van Jaarsveld, J.S.J.van Deventer and L. Lorenzen published in : Minerals Engineering, Vol. 10, no. 7, pp. 659-669 (1996) During the last decade geopolymerisation has emerged as a possible technological solution for the effective stabilisation and immobilisation of toxic materials. Despite the fact that this […]

#5: Global Warming Impact on the Cement and Aggregates Industry

#5: Global Warming Impact on the Cement and Aggregates Industry

Jun 14, 2008 | No Comments

5th International Global Warming Conference San Francisco, 1994 Global Warming Impact on the Cement and Aggregates Industry by Joseph Davidovits published in World Resource Review, Vol.6 (2), pp. 263-278 (1994) CO2 related energy taxes are focusing essentially on fuel consumption, not on actual CO2 emission measured at the chimneys. Ordinary Portland cement, used in the […]

#4: Fire response of geopolymer structural composites

#4: Fire response of geopolymer structural composites

Dec 21, 2008 | No Comments

1rst International Conference on Composites in Infrastructure Tuscon, Arizona, Jan. 1996 Fire response of geopolymer structural composites by Richard E. Lyon, Usman Sorathia, P.N. Balaguru , Andrew Foden, Joseph Davidovits and Michel Davidovics published in the Proceedings of ICCI’96, pp. 972-981; see also the paper on pages166-177 The fire response of a potassium aluminosilicate matrix […]

#3: GEOPOLYMERS Inorganic polymeric new materials

#3: GEOPOLYMERS Inorganic polymeric new materials

Mar 25, 2008 | No Comments

NASTS award 1994 Presentation at the national “Real Advances in Materials” Symposium, Washington DC, Sept. 26,1994 GEOPOLYMERS: Inorganic polymeric new materials by Joseph Davidovits published in Journal of Materials Education, Vol. 16 (2,3), pp. 91-138 (1994) In the aftermath of various catastrophic fires in France between 1970-73, which involved common organic plastic, research on non-flammable […]

#2: Reinforced Concrete Beams

#2: Reinforced Concrete Beams

Dec 21, 2008 | No Comments

Geopolymer-Carbon Composite for Repair and Rehabilitation of Reinforced Concrete Beams by P. Balaguru, Stephen Kurtz, and Jon Rudolph, Rutgers The State University of New Jersey, Piscataway, NJ -08855-0909, U.S.A. This report presents the results of an experimental investigation of the behavior of reinforced concrete beams strengthened with carbon fiber fabrics and geopolymer. The primary objective […]

#1: Fire resistant aluminosilicate composites

#1: Fire resistant aluminosilicate composites

Dec 21, 2008 | No Comments

Richard E. Lyon, P.N. Balaguru, Andrew Foden, Usman Sorathia, Michel Davidovics and Joseph Davidovits. published in the journal “Fire and Materials”, USA, 1996 This paper presents the latest results on the properties of GEOPOLYMER/CARBON composite, namely: * viscosity, chemical reactivity, differential scanning calorimetry, thermogravimetric analyses, mechanical properties (inplane shear, interlaminar shear, warp tensile, flexure). It […]