É uma técnica de contenção que consiste na introdução no solo de cabos de aço ou monobarras para transferir carga de dentro de um maciço para uma cortina de contenção, seja ela de concreto armado, concreto projetado, parede diafragma ou perfil metálicos cravados concomitantemente com a perfuração do solo, com a inclinação do projeto, aplicação, injeção e protensão dos tirantes. Este tipo de contenção pode ser provisório ou definitivo.
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