concrete
#18: Beams and columns of low-calcium fly ash-based geopolymer concrete
Curtin Research Report on Fly Ash-Based Geopolymer Concrete Reinforced beams and columns by Djwantoro Hardjito and B.Vijaya Rangan Research Report GC 3 (120 pages) (mar. 2006) Faculty of Engineering, Curtin University of Technology Perth, Australia This Research Report describes the behaviour and strength of reinforced low-calcium fly ash-based geopolymer concrete structural beams and columns. Earlier, [...]
Geopolymer Conference in Thailand, 24-25 May 2006
The International Conference on Pozzolan, Concrete and Geopolymer, is organized by Khon Kaen University, Sustainable Infrastructure Research and Development Center, (SIRDC), Thai Geopolymer Network Thai Concrete Association and will be held on 24-25 May, 2006 at Sofitel Raja Hotel, Khon Kaen, Thailand. The program on Geopolymer includes : Development of geopolymer Use of different stock [...]
Pyramids (2) The evidences
The scientific proofs The “Lauer” sample under the optical microscope. This photo shows a sample of the casing from the ascending passage of Kheops great pyramid, given by the French egyptologist Jean-Philippe Lauer in 1982 to J. Davidovits. Now, the cross section is characterised by the presence of organic fibers and air bubbles that do [...]
High performance Roman cement and concrete, high durable buildings
The Coliseo, Rome, 2nd C. AD (left) The Pantheon, Rome, 2nd C. AD, inside (center) The Pantheon, Rome, 2nd C. AD, the concrete dome (right). Concrete experts talk today about how to make concrete durable. Many ancient Roman concrete buildings are still in use after more than 2000 years. For these modern concrete experts, the [...]
Introduction: developments and applications in geopolymer
Materials for the Third Millennium Think Geopolymer and Geosynthesis! The last few years have seen spectacular technological progress in the development of geosynthesis and geopolymeric applications. New state-of-the-art materials designed with the help of geopolymerisation reactions are opening up new applications and procedures, and transforming ideas that have been taken for granted in inorganic and [...]
GEO-STRUCTURE: repair and retrofit buildings with fibers
External repair and structural retrofit for aging infrastructure and aging buildings Infrastructure in the United States such as bridges are degrading due to the corrosion of steel-reinforced concrete by salty water and deicing compounds. A relatively new and little known repair method for concrete and brick structures, consists of externally bonding flexible sheets of fiber [...]
Geopolymer cement
There is often confusion between the meaning of the terms “cement” and “concrete”. A cement is a binder whereas concrete is the composite material resulting from the addition of cement to stone aggregates. Cement is sold to companies that make concrete. Geopolymer cement is often mixed up with alkali-activated slag developed since 1956 in Eastern [...]
Hazardous and radioactive waste encapsulation treatment
GEOPOLYTECH: Toxic and Radioactive Waste Management The patented GEOPOLYTECH technology is based on the use of geopolymer binders. The GEOPOLYTECH technology could provide a safe and proven method for the encapsulation and long-term containment of toxic, hazardous, and radioactive sludges from decantation ponds and pasty wastes (filter cakes) from water treatment facilities. The technology is [...]
Potential utilizations in Art and Decoration
Georges Grimal, a French sculptor and painter, stated: Lighting has tremendous importance in sculpture. I call “dramatized sculpture” the idea of developing the sculpture and suitable lighting together. In these, the artist has incorporated light sources into the work itself, allowing the spectator to feel the key-points and sense the finesse in the half-shadow light [...]
Pyramid: Cement and Concrete expert agrees!
My name is Prof. Mario Collepardi and I am a professor of “Materials Science and Technology” at the Politecnico of Milan, Italy. Yesterday I have seen your interview by Mr. Giacobbo at the “Stargate” program on “La 7″ Italian TV channel. I am very interested to your theory about the building technique used by Egyptians [...]
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