Conglomerati cementizi auto-riparanti

INDICE

0.ABSTRACT

1.INTRODUZIONE

1.1.L'architettura e la prova del tempo

1.2.Obbiettivi

1.3.Approccio

1.4.Materiali auto-rigeneranti

2.DAL CEMENTO AL CALCESTRUZZO

2.1.Generalità

2.2.Cenni storici

2.3.Cemento Portland

2.4.Il calcestruzzo

3.MATERIALI CEMENTIZI AUTORIPARANTI

3.1.L'auto-rigenerazione

3.2.Self-healing autogeno (autonomo ed intrinseco)

3.3.Self-healing autonomo estrinseco

3.4.Conclusioni

4.ATTIVITÀ' SPERIMENTALE

4.1.Introduzione

4.2.Prodotti utilizzati

4.3.Modalità di selezione agenti healing

4.4.Estrusione capsule

4.5.Preparazione prismi

4.6.Prove di durabilità

4.7.Prove meccaniche

4.8.Confronto capsule cave aventi doppio coating

5.CONCLUSIONI

5.1.Analisi risultati e proposte

6.SCHEDE TECNICHE

7.BIBLIOGRAFIA

7.1.Monografie

7.2.Articoli

7.3.Normative

7.4.Tesi

7.5.Sitografia

BIBLIOGRAFIA

-Monografie

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-Articoli

Antonaci P., Pugno N., Tulliani J., Production and mechanical behavior of micro-encapsulated self-healing cement: a case study, In 5 th world tribology congress, Turin 8-10 September, 2013.

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Dhis R.K. Sangha C.M., Munday J.G., Strenght and deformation properties of autogenously healed mortars, ACI Journal, 1973.

Dry C., Three designs for the internal release of sealants, adhesive, and waterproofing chemicals into concrete to reduce permeabilità. Cement and concrete research 30:1969-1977, 2000.

Formia A., Antonaci P., Irico S., et al., Extruted cementitious hollow tubes:an innovative encapslution technology for healing agents in concrete and mortars, in: international workshop on durability and sustainability of concrete structures, Bologna, 1-3 october, 2015.

Formia A., Terranova S., Antonaci P., et al., Setup of estrude cementitious hollow tube as containing/ re leasing devices in self-healing system, Materials 8:1897-1923, 2015.

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Hillouin B., Van Tittelboom k, Gruyaert E, et al., Design of polymeric capsules, for self-healing concrete, Cement and Concrete Composites, 2015.

Huang H., Ye G., Application of sodium silicate solutions as self-healing agent in cementitious materials. In international RILEM Conference on advances in construction materials, Hong Kong, China, 5-7 September, 2011.

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Kanellopoulos, T.S. Qureshi, A. Al-Tabbaa, Glass encapsulated minerals for self-healing in cement based composites, Elsevier, agosto 2015.

Lauer K.R., Slate F.O. Autogenous Healing of Cement Paste, ACI Journal 52(6), 1956.

Lee Y., Ryou J., Self-healing behavior for crack closing of expansive agent via granulation/film coating method. Construction and building Materials 71:188-193,2014.

Li V., Lim Y., Chan Y., Feasibility study of a passive smart self-healing cementitious composite, Composites, Part B: Engineering 29(6): 819-827,1998.

Maes M., Van Tittelboom K. and De Belie N. (2014), The efficiency of self-healing cementitious materials by means of encapsulated polyurethane in chloride containing environments, Construction and Building Materials, 2014.

Mehta P., Mechanism of expansion associated with ettringite formation, Cem Concr Res, 1973.

Mihashi H., Kaneko Y., Nishiwaki T., et al., Fundamental study on development of intelligent concrete characterized by self-healing capability for strength, transaction of the Japan Concrete Institute 22(2): 441-450, 2001.

Moro, il calcestruzzo auto-riparante, Self- healing concrete, in Concreto, ATECAP, 2013.

Neville A., Autogenous Healing- a concrete miracle?, Concrete international, 2002.

Ngab A.S., Nilson A.S., Slate F.O, Shrinkage and creep of high strength concrete, AC1 Journal.

Nishiwaki T., Mihashi N., Jang B., Miura K., Development of self-healing system for concrete with selective heating around crack, journal of advanced concrete technology, Japan concrete institute 2006.

Pelletier M., Brown R., Shkula A., et al., self-healing concrete with a microencapsulated healing agent, 2011.

Reinhardt H.W., Joos M., Perme-ability and self-healing of cracked concrete as a function of temperature and crack width, Cement &Concrete research, 2003.

Scrivener K., Damidot D., Famy C., Possible mechanisms of expansion of concrete exposed to elevated temperatures during curing (also known as DEF) and implications for avoidance of field problems, Cem Concr Aggr, 1999.

Sisomphon K., Copuroglu O., Koenders E., Selfhealing of surface cracks in mortars with expansive additive and cristalline additive. Cement and concrete research 34: 566-574, 212.

Thao T., Johnson T., Tong Q., et al., Implementation of self-healing concrete-proof of concept. The IESJournal Part A: Civil and structural Engineering 2(2):116-125, 2009.

Turner L., The autogenous healing of cement and concrete: its relation to vibrated concrete and cracked concrete, Proceeding of London Congress, International Association for Testing Materials, 1937.

Van Tittelboom K., De Belie N., Self -healing in cementitious materials- a review. Materials 6:2182-2217,2013.

Van Tittelboom K., Adesanya k., Dubruel P., et al., Methyl methacrylate as a healing agent for self-healing cementitious materials. Smart Materials and structures, 2011.

Wua M., Johannesson B., Geiker M., A review: Self- healing in cementitious material and engineered cementitious composite as a self-healing material, Elsevier Ltd, 2011.

Yang Y., Lepech M.L., Tang E.H., Li V.C., Autogenous healing of Engineered cementitious composites under wet-dry cycles, Cement & Concrete Research, 2009.

Zemskov S., Jonkers H., Vermolen F., Two analytical models for the probability characteristics of a crack hitting encapsulated particles: application to self-healing material. Computational materials science 50:3323-3333,2011.

-Normative

UNI EN 196-1 ASTM D1141/98

-Tesi

Robella R., Produzione di capsule estruse per materiali cementizi autoriparanti, relatore Jean Marc Tulliani, Torino, 2015.

Tabusso E., Applicazione degli insegnamenti della biometica all’architettura: cemento self- healing, stato dell’arte e studio sperimentale, relatore Jean Marc Tulliani, Torino, 2012.

Terranova S., La Natura come Baumeister: studio di nuove tecnologie auto-rigeneranti per il calcestruzzo, rei: Jean Marc Tulliani, Roberto Pagani, Giacomo Chiesa, Torino, 2012.

Genovese M., Materiali cementizi self-healing: prove di impermeabilizzazione di capsule estruse ed analisi delle capacità riparanti di silicati modificati e resine poliuretaniche, rei Jean Marc Tulliani, Torino, 2016.

-Sitografia

www.astm.org

www.autostrade.it