The Investigation of The Different Types of the Ground Rebar Spacers with Proposing New Design Rebar Space Mixed of Concrete Plastic. Journal of Civil Engineering Frontiers, [S. l.], v. 1, n. 01, p. 01–06, 2020. DOI: 10.38094/jocef114. Disponível em: https://www.jocivilef.org/index.php/jocef/article/view/4. Acesso em: 29 jan. 2026.