TY - JOUR T1 - Concrete reinforced with polymeric fibers: an approach by non-destructive techniques of ultrasonic pulse velocity and electrical resistivity JO - Matéria (Rio de Janeiro) A1 - Lopes, Rayane Campos A1 - Guimarães, Cibele de Moura A1 - Gambale, Patrícia Guedes A1 - Oliveira, Andrielli Morais de SN - 1517-7076 UL - 10.1590/1517-7076-RMAT-2025-0329 VL - 31 Y1 - 2026 PB - Brasil ER -