Análise da viabilidade da fabricação de blocos intertravados de concreto para pavimentos com o uso de agregados reciclados da construção civil

Autores

  • Webert Brasil Cirilo da Silva Universidade Federal do Ceará, Fortaleza, Ceará – Brasil https://orcid.org/0000-0002-4712-0582
  • Suelly Helena de Araújo Barroso Universidade Federal do Ceará, Fortaleza, Ceará – Brasil
  • Antônio Eduardo Bezerra Cabral Universidade Federal do Ceará, Fortaleza, Ceará – Brasil
  • Ronaldo Stefanutti Universidade Federal do Ceará, Fortaleza, Ceará – Brasil
  • Luís Guilherme de Picado-Santos CERIS-Instituto Superior Técnico, Universidade de Lisboa, Lisboa – Portugal https://orcid.org/0000-0003-2072-3188

DOI:

https://doi.org/10.58922/transportes.v31i1.2860

Palavras-chave:

Blocos intertravados de concreto, Agregados reciclados, Resíduo de construção e demolição, Métodos de dimensionamento

Resumo

O objetivo deste artigo é analisar a viabilidade de utilização de blocos intertravados de concreto, com agregados reciclados de resíduos de construção e demolição, para pavimentação. Primeiro, foi produzido concreto seco, o qual é conhecido por apresentar slump-zero, sendo necessária máquina de vibro-prensa para compactação e desforma imediata. Assim, quatro misturas de concreto seco, REF-0.63, REF-0.73, 50CDW-0.63 e 50CDW-0.73 (os dois primeiros e os dois últimos sem e com agregados reciclados, respectivamente) foram aplicadas com duas relações água/cimento (0.63 e 0.73). Na próxima etapa, foram utilizados métodos de dimensionamento empírico e mecanístico-empírico para pavimento de blocos intertravados, sendo simulada a construção dessa estrutura com avaliação de custos. Os resultados indicaram que a mistura de referência REF-0.73, com mais água, apresentou a maior resistência característica à compressão aos 28 dias (25.34 MPa). Além disso, o pavimento intertravado resultante do dimensionamento mecanístico-empírico, com agregados reciclados nos blocos (mistura 50CDW-0.63), gerou economia da ordem de US$76.000,00 em comparação ao pavimento de blocos de referência (mistura REF-0.73). Por fim, o concreto seco pode apresentar melhor comportamento mecânico com a adição de água e a tecnologia de pavimento intertravado é mais atrativa financeiramente, aplicando método de dimensionamento mecanístico-empírico.

Downloads

Não há dados estatísticos.

Referências

AASHTO (1995) Standard M 145: Specification for Classification of Soils and Soil-Aggregate Mixtures for Highway Construction Purposes. Washington, D.C.: American Association of State Highway and Transportation Officials.

ABNT (2004) Standard NBR 10004: Solid waste – Classification. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2005) Standard NBR 9778: Hardened mortar and concrete – Determination of absorption, voids and specific gravity. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2008) Standard NBR 9833: Fresh concrete – Determination of the unit weight, yield and air content by the gravimetric test method. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2008) Standard NBR 15630: Mortars applied on walls and ceilings – Determination of elasticity modulus by the ultrasonic wave propagation. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2011) Standard NBR 15953: Interlocking pavement with concrete units – Execution. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2013) Standard NBR 9781: Concrete paving units – Specification and test methods. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2017) Standard NBR 16605: Portland cement and other powdered material – Determination of the specific gravity. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2021) Standard NBR 16916: Fine aggregate – Determination of density and water absorption. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2021) Standard NBR 16917: Coarse aggregate - Determination of density and water absorption. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2021) Standard NBR 16972: Aggregates – Determination of the unit weight and air-void contents. Rio de Janeiro: Brazilian Technical Standards Association.

ABNT (2022) Standard NBR 7211: Aggregates for concrete – Requirements. Rio de Janeiro: Brazilian Technical Standards Association.

ACI (2009) Standard 211.3R–02: Guide for Selecting Proportions for No-Slump Concrete. Farmington Hills: American Concrete Institute.

ASTM (2021) Standard C936: Specification for Solid Concrete Interlocking Paving Units. West Conshohocken: American Society for Testing and Materials.

Baird, C. and M. Cann (2011) Environmental chemistry (4th ed.). Porto Alegre: Bookman.

Carvalho, M. D. (1998) Technical Study 27: Paving with precast concrete units (4th ed.). Sao Paulo: Brazilian Portland Cement Association. Available at: <https://abcp.org.br/wp-content/uploads/2016/01/ET-27_Pavimentacao_pecas_premoldadas.pdf> (accessed on 25/01/2022).

Chu, S. H.; C. S. Poon; C. S. Lam and L. Li. (2021) Effect of natural and recycled aggregate packing on properties of concrete blocks. Construction and Building Materials, v. 278, 122247. DOI: 10.1016/j.conbuildmat.2021.122247. DOI: https://doi.org/10.1016/j.conbuildmat.2021.122247

CMAA (2018) DesignPave v2.0 (Version 2.0). Concrete Masonry Association of Australia. Available at: <https://www.cmaa.com.au/DesignPave/Registration> (accessed on 10/02/2022).

Crispim, M. (2018) Entulho volta a ser material de construção [Online]. Available at: <http://agenciaeconordeste.com.br/entulho-volta-a-ser-material-de-construcao/> (accessed on 18/04/2022).

Cruz, L. O. M. (2003) Interlocking Concrete Pavement: Study of Design Elements and Methods. M.Sc. Thesis. Federal University of Rio de Janeiro, Rio de Janeiro. Available at: <http://www.coc.ufrj.br/pt/dissertacoes-de-mestrado/103-msc-pt-2003/1840-luiz-otavio-maia-cruz> (accessed on 20/01/2022).

DNER (1994) Standard DNER–ME 180/94: Soils stabilized with fly ash and hydrated lime – Determination of the simple compressive strength. Brasilia, DF: National Highway Department.

DNIT (2016) Standard DNIT 172/2016–ME: Soils – Determination of the California Bearing Ratio using unworked samples – Test method. Brasilia, DF: National Transport Infrastructure Department.

DNIT (2018) Standard DNIT 134/2018–ME: Pavement – Soils – Determination of the resilient modulus – Test method. Brasilia, DF: National Transport Infrastructure Department.

Francisco, J. T. M.; A. E. Souza and S. R. Teixeira (2019) Construction and demolition waste in concrete: property of pre-molded parts for paving. Cerâmica, v. 65, suppl. 1, p. 22–26. DOI: 10.1590/0366-6913201965S12595. DOI: https://doi.org/10.1590/0366-6913201965s12595

Helene, P. and P. Terzian (1992) Concrete Dosage and Control Manual (1st ed.). Sao Paulo: Pini.

Lilley, A. A. and B. J. Walker (1986) Concrete block paving for heavily trafficked roads and paved areas (5th ed.). London: Cement and Concrete Association.

Luo, W.; S. Liu; Y. Hu; D. Hu; K.W. Kow; C. Pang and B. Li (2022) Sustainable reuse of excavated soil and recycled concrete aggregate in manufacturing concrete blocks. Construction and Building Materials, v. 342, 127917. DOI: 10.1016/j.conbuildmat.2022.127917. DOI: https://doi.org/10.1016/j.conbuildmat.2022.127917

Odemark, N. (1949) Investigations as to the Elastic Properties of Soils and Design of Pavements according to the Theory of Elasticity. Ph.D. Thesis. Statens Vagins Institute, Stockholm. Available at: <http://vti.diva-portal.org/smash/record.jsf?pid=diva2%3A867287&dswid=-1641> (accessed on 11/06/2022).

Ono, B. W.; J. T. Balbo and A. Cargnin (2017) Analysis of the infiltration capacity of unidirectionally jointed concrete block permeable pavement. Transportes, v. 25, n. 3, p. 90–101. DOI: 10.14295/transportes.v25i3.1314. DOI: https://doi.org/10.14295/transportes.v25i3.1314

Özalp, F.; H.D. Yılmaz, M. Kara, Ö. Kaya and A. Şahin (2016) Effects of recycled aggregates from construction and demolition wastes on mechanical and permeability properties of paving stone, kerb and concrete pipes, Construction and Building Materials, v. 110, p. 17–23. DOI: 10.1016/j.conbuildmat.2016.01.030. DOI: https://doi.org/10.1016/j.conbuildmat.2016.01.030

PMSP (2004) Project Instruction 06: Design of pavements with interlocking concrete blocks. Sao Paulo: Sao Paulo City Hall.

Poon, C.S. and D. Chan (2007) Effects of contaminants on the properties of concrete paving blocks prepared with recycled concrete aggregates, Construction and Building Materials, v. 21, n. 1, p. 164–175. DOI: https://doi.org/10.1016/j.conbuildmat.2005.06.031. DOI: https://doi.org/10.1016/j.conbuildmat.2005.06.031

SA (2003) Standard AS/NZS 4456.4: Masonry units and segmental pavers and flags – Methods of test – Determining compressive strength of masonry units. Sydney: Standards Australia.

SEINFRA-CE (2022) Table 027 (without tax). Fortaleza: Secretary of Infrastructure of Ceara. Available at: <https://www.seinfra.ce.gov.br/tabela-de-custos/> (accessed on 22/08/2022).

Shackel, B. (1988) The evolution and application of mechanistic design procedures for concrete block pavements. Proceedings of the III International Conference on Concrete Block Pavement. Rome: SEPT, p. 114–120. Available at:<http://www.sept.org/techpapers/108.pdf> (accessed on 20/01/2022).

Silva, W. B. C. (2020) Analysis of the feasibility of manufacturing interlocking concrete pavement blocks with the use of thermoelectric waste and recycled aggregate from civil construction. M.Sc. Thesis. Federal University of Ceara, Fortaleza. Available at: <https://repositorio.ufc.br/handle/riufc/56811> (accessed on 20/01/2020).

Vasconcelos, S. D. (2016) Evaluation of the heterogeneity of coal ash from the Energia Pecém thermoelectric power plant and its application in pavement granular layers. Monograph. Federal University of Ceara, Fortaleza. Available at: <https://repositorio.ufc.br/handle/riufc/47005> (accessed on 22/08/2022).

Vasconcelos, S. D.; S. H. A. Barroso; F. A. F. Vieira and H. B. F. Almeida (2019) Evaluation of the use of coal ash produced at a thermal power plant in pavement construction. Transportes, v. 27, n. 2, p. 73–89. DOI: 10.14295/transportes.v27i2.1592. DOI: https://doi.org/10.14295/transportes.v27i2.1592

Downloads

Publicado

03-05-2023

Como Citar

Silva, W. B. C. da, Barroso, S. H. de A., Cabral, A. E. B., Stefanutti, R., & Picado-Santos, L. G. de . (2023). Análise da viabilidade da fabricação de blocos intertravados de concreto para pavimentos com o uso de agregados reciclados da construção civil. TRANSPORTES, 31(1), e2860. https://doi.org/10.58922/transportes.v31i1.2860

Edição

Seção

Artigos